CN108597168A - Security alarm method, apparatus based on optical filter and household appliance - Google Patents
Security alarm method, apparatus based on optical filter and household appliance Download PDFInfo
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- CN108597168A CN108597168A CN201810376283.8A CN201810376283A CN108597168A CN 108597168 A CN108597168 A CN 108597168A CN 201810376283 A CN201810376283 A CN 201810376283A CN 108597168 A CN108597168 A CN 108597168A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 139
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000012544 monitoring process Methods 0.000 claims abstract description 54
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000003384 imaging method Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 15
- 230000001788 irregular Effects 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000003331 infrared imaging Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19617—Surveillance camera constructional details
- G08B13/19626—Surveillance camera constructional details optical details, e.g. lenses, mirrors or multiple lenses
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/141—Control of illumination
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/165—Detection; Localisation; Normalisation using facial parts and geometric relationships
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/168—Feature extraction; Face representation
- G06V40/171—Local features and components; Facial parts ; Occluding parts, e.g. glasses; Geometrical relationships
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/172—Classification, e.g. identification
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Computer Vision & Pattern Recognition (AREA)
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Abstract
The security alarm method based on optical filter that the invention discloses a kind of, the security alarm method based on optical filter include：Acquire corresponding current light in monitoring area；According to the luminous intensity of the current light, position of the preset optical filter relative to pick-up lens is adjusted, to obtain the camera shooting light for imaging, is imaged based on the camera shooting light for the pick-up lens, generates corresponding image；Wherein, the optical filter through its current light to carrying out white light optical filtering；Image recognition processing is carried out to described image, obtains the corresponding image data of described image；According to described image data, judge whether described image is portrait；If described image is portrait, judge that there are personnel in the monitoring area；Execute corresponding alarm operation.The invention also discloses a kind of protection alarm device and household appliance based on optical filter.The present invention improves the accuracy of security alarm.
Description
Technical field
The present invention relates to household appliances field more particularly to a kind of security alarm method, apparatus and family based on optical filter
Electric equipment.
Background technology
In order to ensure the safety of user's household, currently, corresponding security protection camera is all arranged in more and more families, when with
Family starts security protection pattern, when camera takes portrait, just triggering alarm.However, by that may have star, family at home
The portraits such as member poster or television set are opened when broadcasting figure picture or decorative pattern curtain flutter in the wind, and are taken the photograph
As head is likely to that portrait can be shot, false alarm is in turn resulted in.If infrared imaging is carried out only with infrared light, although can drop
The probability of low false alarm, still, in the case where light is very weak, the picture quality generated is bad, and then can also influence security protection
The accuracy of alarm.In summary, the accuracy of security alarm need to be improved at present.
Invention content
It is a primary object of the present invention to propose a kind of security alarm method, apparatus and household appliance based on optical filter,
Aim to solve the problem that the not high technical problem of the accuracy of security alarm in the prior art.
To achieve the above object, the present invention provides a kind of security alarm method based on optical filter, described to be based on optical filter
Security alarm method include the following steps：
Acquire corresponding current light in monitoring area；
According to the luminous intensity of the current light, position of the preset optical filter relative to pick-up lens is adjusted, to obtain
For the camera shooting light of imaging, it is imaged based on the camera shooting light for the pick-up lens, generates corresponding image；Its
In, the optical filter through its current light to carrying out white light optical filtering；
Image recognition processing is carried out to described image, obtains the corresponding image data of described image；
According to described image data, judge whether described image is portrait；
If described image is portrait, judge that there are personnel in the monitoring area；
Execute corresponding alarm operation.
Preferably, described image data include the profile information of imaging object, described according to described image data, judge institute
State that the step of whether image is portrait includes：
Extract the profile information in described image data；
Judge whether the profile information is the corresponding profile information of personnel；
If so, judgement described image is portrait；
If it is not, it is portrait then to judge described image not.
Preferably, before the step of profile information extracted in described image data, further include：
Whether detect in described image data includes regular rectangular shape information；
If so, judging whether the area of the regular rectangular shape is more than the first preset area threshold value；
If the area of the regular rectangular shape is more than the first preset area threshold value, the extraction described image number is executed
The step of profile information in.
Preferably, after the step of in the detection described image data whether comprising regular rectangular shape information, further include：
If it is not, whether then detect in described image data includes face information；
If including face information in described image data, judge described image for portrait.
Preferably, after the step of profile information extracted in described image data, further include：
According to the profile information, corresponding contour area is calculated；
If the contour area is more than the second preset area threshold value, executes and described judge whether the profile information is people
The step of member's corresponding profile information.
Preferably, it is described judge the step of whether profile information is personnel's corresponding profile information before, further include：
According to the profile information, detect whether the imaging object is irregular dynamical state；
If so, judge the imaging object for life entity, and executes and described judge whether the profile information is personnel
The step of corresponding profile information.
Preferably, after in the acquisition monitoring area the step of corresponding current light, further include：
Detect the luminous intensity of the current light；
The luminous intensity according to the current light adjusts step of the preset optical filter relative to the position of pick-up lens
Suddenly include：
When the luminous intensity is more than the first default intensity threshold, camera lens described in the parallel face of the optical filter are adjusted
Head.
Preferably, after the step of luminous intensity of the detection current light, further include：
When the luminous intensity is less than the second default intensity threshold, the optical filter vertically pick-up lens is adjusted；
Wherein, the described second default intensity threshold is less than the described first default intensity threshold.
Preferably, corresponding the step of the operating of alarming of the execution includes：
Control pre-set alarm sends out corresponding audio alert prompt message.
Preferably, corresponding the step of the operating of alarming of the execution includes：
The warning message comprising described image is sent to corresponding mobile terminal.
In addition, to achieve the above object, the present invention also proposes a kind of protection alarm device based on optical filter, described to be based on
The protection alarm device of optical filter includes：It memory, processor and is stored on the memory and can be on the processor
The security alarm program of operation is realized as described above based on optical filtering when the security alarm program is executed by the processor
The step of security alarm method of piece.
In addition, to achieve the above object, the present invention also provides a kind of household appliance, the household appliance includes such as institute above
The protection alarm device based on optical filter stated.
Scheme proposed by the present invention, when carrying out safety monitoring, by acquiring corresponding current light in monitoring area, root
According to the luminous intensity of the current light, adjust position of the preset optical filter relative to pick-up lens, wherein optical filter to through its
Therefore it might not be exactly current eventually for the camera shooting light that pick-up lens is imaged that current light, which carries out white light optical filtering,
Light.When current light is stronger, white light optical filtering is carried out by optical filter, therefore, even there is portrait poster, electricity at home
It is opened when playing figure picture depending on machine, pick-up lens can't shoot portrait image, to trigger wrong report
It is alert.And when current light is weaker, white light optical filtering is not carried out by optical filter, therefore, enhances the image of pick-up lens shooting
Performance under low light condition improves picture quality, and then also improves the accuracy of security alarm.
Description of the drawings
Fig. 1 is the protection alarm device structural schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is that the present invention is based on the flow diagrams of the security alarm method first embodiment of optical filter；
Fig. 3 is the structure for optionally adjusting the parallel face pick-up lens of optical filter that the embodiment of the present invention is related to
Schematic diagram；
Fig. 4 is the structural representation for optionally adjusting the vertical pick-up lens of optical filter that the embodiment of the present invention is related to
Figure；
Fig. 5 is that the present invention is based on, according to described image data, judge in the security alarm method second embodiment of optical filter
Described image whether be portrait step refinement flow diagram.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The solution of the embodiment of the present invention is mainly：It is corresponding in monitoring area by acquiring when carrying out safety monitoring
Current light position of the preset optical filter relative to pick-up lens is adjusted according to the luminous intensity of the current light, wherein
Optical filter through its current light to carrying out white light optical filtering, and therefore, the camera shooting light being imaged eventually for pick-up lens is simultaneously
It is exactly not necessarily current light.When current light is stronger, white light optical filtering is carried out by optical filter, therefore, even at home
There are portrait poster, television sets to open when playing figure picture, and pick-up lens can't shoot portrait image, to
False alarm will not be triggered.And when current light is weaker, white light optical filtering is not carried out by optical filter and therefore enhances camera shooting
Performance of the image of camera lens shooting under low light condition, improves picture quality.Technical solution through the embodiment of the present invention, solution
It has determined the not high problem of accuracy of security alarm.
The embodiment of the present invention proposes a kind of protection alarm device based on optical filter.
Referring to Fig.1, Fig. 1 is the protection alarm device structural representation for the hardware running environment that the embodiment of the present invention is related to
Figure.
In subsequent description, using for indicating that the suffix of such as " module ", " component " or " unit " of element is only
The explanation for being conducive to the present invention, itself does not have a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
As shown in Figure 1, the protection alarm device may include：Processor 1001, communication bus 1002, network interface
1004, memory 1005.Wherein, communication bus 1002 is for realizing the connection communication between these components.Network interface 1004
Optional may include standard wireline interface and wireless interface (such as WI-FI interfaces).Memory 1005 can be that high-speed RAM is deposited
Reservoir can also be stable memory (non-volatile memory), such as magnetic disk storage.Memory 1005 is optional
The storage device that can also be independently of aforementioned processor 1001.
It will be understood by those skilled in the art that protection alarm device structure shown in Fig. 1 is not constituted to security alarm
The restriction of device may include either combining certain components or different component cloth than illustrating more or fewer components
It sets.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage media
Believe module and security alarm program.
In the present invention, the protection alarm device calls the security alarm stored in memory 1005 by processor 1001
Program, and execute following operation：
Acquire corresponding current light in monitoring area；
According to the luminous intensity of the current light, position of the preset optical filter relative to pick-up lens is adjusted, to obtain
For the camera shooting light of imaging, it is imaged based on the camera shooting light for the pick-up lens, generates corresponding image；Its
In, the optical filter through its current light to carrying out white light optical filtering；
Image recognition processing is carried out to described image, obtains the corresponding image data of described image；
According to described image data, judge whether described image is portrait；
If described image is portrait, judge that there are personnel in the monitoring area；
Execute corresponding alarm operation.
Further, processor 1001 can call the security alarm program stored in memory 1005, also execute following
Operation：
Extract the profile information in described image data；
Judge whether the profile information is the corresponding profile information of personnel；
If so, judgement described image is portrait；
If it is not, it is portrait then to judge described image not.
Further, processor 1001 can call the security alarm program stored in memory 1005, also execute following
Operation：
Whether detect in described image data includes regular rectangular shape information；
If so, judging whether the area of the regular rectangular shape is more than the first preset area threshold value；
If the area of the regular rectangular shape is more than the first preset area threshold value, the extraction described image number is executed
The step of profile information in.
Further, processor 1001 can call the security alarm program stored in memory 1005, also execute following
Operation：
If it is not, whether then detect in described image data includes face information；
If including face information in described image data, judge described image for portrait.
Further, processor 1001 can call the security alarm program stored in memory 1005, also execute following
Operation：
According to the profile information, corresponding contour area is calculated；
If the contour area is more than the second preset area threshold value, executes and described judge whether the profile information is people
The step of member's corresponding profile information.
Further, processor 1001 can call the security alarm program stored in memory 1005, also execute following
Operation：
According to the profile information, detect whether the imaging object is irregular dynamical state；
If so, judge the imaging object for life entity, and executes and described judge whether the profile information is personnel
The step of corresponding profile information.
Further, processor 1001 can call the security alarm program stored in memory 1005, also execute following
Operation：
Detect the luminous intensity of the current light；
When the luminous intensity is more than the first default intensity threshold, camera lens described in the parallel face of the optical filter are adjusted
Head.
Further, processor 1001 can call the security alarm program stored in memory 1005, also execute following
Operation：
When the luminous intensity is less than the second default intensity threshold, the optical filter vertically pick-up lens is adjusted；
Wherein, the described second default intensity threshold is less than the described first default intensity threshold.
Further, processor 1001 can call the security alarm program stored in memory 1005, also execute following
Operation：
Control pre-set alarm sends out corresponding audio alert prompt message.
Further, processor 1001 can call the security alarm program stored in memory 1005, also execute following
Operation：
The warning message comprising described image is sent to corresponding mobile terminal.
The present embodiment through the above scheme, when carrying out safety monitoring, passes through corresponding current light in acquisition monitoring area
Line adjusts position of the preset optical filter relative to pick-up lens, wherein optical filter pair according to the luminous intensity of the current light
White light optical filtering is carried out through its current light, therefore, the camera shooting light being imaged eventually for pick-up lens might not be just
It is current light.When current light is stronger, white light optical filtering is carried out by optical filter, therefore, even there is portrait at home
Poster, television set are opened when playing figure picture, and pick-up lens can't shoot portrait image, to touch
Send out false alarm.And when current light is weaker, white light optical filtering is not carried out by optical filter, therefore, enhances pick-up lens shooting
Performance of the image under low light condition, improve picture quality, and then also improve the accuracy of security alarm.
Based on above-mentioned hardware configuration, propose that the present invention is based on the security alarm embodiments of the method for optical filter.
It is that the present invention is based on the flow diagrams of the security alarm method first embodiment of optical filter with reference to Fig. 2, Fig. 2.
In the first embodiment, the security alarm method based on optical filter includes the following steps：
Step S10 acquires corresponding current light in monitoring area；
Step S20 adjusts position of the preset optical filter relative to pick-up lens according to the luminous intensity of the current light
It sets, to obtain the camera shooting light for imaging, is imaged, is generated corresponding based on the camera shooting light for the pick-up lens
Image；Wherein, the optical filter through its current light to carrying out white light optical filtering；
Step S30 carries out image recognition processing to described image, obtains the corresponding image data of described image；
Step S40 judges whether described image is portrait according to described image data；
Step S50 judges that there are personnel in the monitoring area if described image is portrait；
Step S60 executes corresponding alarm operation.
In order to ensure the safety of user's household, currently, corresponding security protection camera is all arranged in more and more families, when with
Family starts security protection pattern, when camera takes portrait, just triggering alarm.However, by that may have star, family at home
The portraits such as member poster or television set are opened when broadcasting figure picture or decorative pattern curtain flutter in the wind, and are taken the photograph
As head is likely to that portrait can be shot, false alarm is in turn resulted in.If infrared imaging is carried out only with infrared light, although can drop
The probability of low false alarm, still, in the case where light is very weak, the picture quality generated is bad, and then can also influence security protection
The accuracy of alarm.In summary, the accuracy of security alarm need to be improved at present.
In order to improve the accuracy of security alarm, the present invention proposes a kind of security alarm method based on optical filter, application
In protection alarm device.The protection alarm device can be independently of the dress of the household appliances such as air conditioner, humidifier, clarifier
It sets, can also be set in household appliance.
In the present embodiment, by protection alarm device, pick-up lens and filter set at safety alarm system, wherein filter
Piece can be independently arranged with protection alarm device, can also be set in protection alarm device, be not restricted herein.For
By the light of the optical filter, which can filter the white light for including in light namely the optical filter is filtered with white light
Light action.
Protection alarm device is opened in user, into after security protection pattern, acquires corresponding current light in monitoring area,
And according to the luminous intensity of current light, adjust position of the optical filter relative to pick-up lens.Wherein, right under different luminous intensities
Answer ground optical filter different relative to the position of pick-up lens.Optionally, the projection of plane where optical filter is projected on pick-up lens
Area is proportional with luminous intensity, when luminous intensity is bigger, the projected area of plane where optical filter is projected on pick-up lens
It is bigger；Conversely, when luminous intensity is smaller, the projected area of plane is smaller where optical filter is projected on pick-up lens.In this way, working as
When the luminous intensity of preceding light is big, such as fine day, the white light that current light is filtered out through optical filter are just more；Conversely, current
The luminous intensity hour of light, such as night, the white light that current light is filtered out through optical filter are just few.
After optical filter is adjusted relative to the position of pick-up lens, current light generates correspondence after optical filter
Camera shooting light enter pick-up lens.Pick-up lens is imaged based on the camera shooting light, generates corresponding image.Later, it takes the photograph
As camera lens is by the image transmitting to protection alarm device.
Optionally, it enumerates separately below in the case where light is very strong and light is very weak, to optical filter relative to camera lens
The mode that the position of head is adjusted is illustrated.
One, in the case of current light is very strong, optionally, after the step S10, further include：
Step a detects the luminous intensity of the current light；
The step S20 includes：
Step b is adjusted when the luminous intensity is more than the first default intensity threshold described in the parallel face of the optical filter
Pick-up lens.
Optionally, the corresponding first default intensity threshold of the last one light is pre-set.It is corresponding in monitoring area collecting
Current light after, detect the luminous intensity of the current light.Since the technology of detection luminous intensity is very ripe, herein just not
It repeats again.Later, the luminous intensity of current light is compared with the first default intensity threshold, judges the size of two values.
If the luminous intensity of current light is more than the first default intensity threshold, the parallel face pick-up lens of optical filter is adjusted, such as Fig. 3 institutes
Show, in this way, optical filter can filter out the white light in current light to the maximum extent, the camera shooting light after optical filter is exactly red substantially
Outer light.Infrared light enters pick-up lens and carries out infrared imaging, generates corresponding image.If that is, existing in monitoring area at this time
Personnel, the then image generated are just portrait, and if personnel are not present in monitoring area, namely there is no personnel's irradiating infrared light, then
The image of generation is not just portrait.
Two, in the case that current light is very weak, optionally, after the step a, further include：
Step c adjusts the optical filter vertically camera shooting when the luminous intensity is less than the second default intensity threshold
Camera lens；Wherein, the described second default intensity threshold is less than the described first default intensity threshold.
Optionally, the corresponding second default intensity threshold of a dim light is pre-set, the second default intensity threshold is small
In the first default intensity threshold.After the luminous intensity of detection current light, if to be less than this second pre- for the luminous intensity of current light
If intensity threshold, if at this point, adjust the parallel face pick-up lens of optical filter again, the white light in current light is filtered out, then most
The performance of the image generated afterwards will be very poor.Therefore, in order to enhance performance of the image of generation under low light condition, at this point, adjusting
The vertical pick-up lens of optical filter is saved, as shown in Figure 4.In this way, optical filter cannot filter out the white light in current light, through optical filter
Camera shooting light afterwards is exactly current light substantially, to enhance performance of the image under low light condition, improves picture quality.
It is adjusted in the position to optical filter relative to pick-up lens, current light obtains corresponding take the photograph after optical filter
As light, into pick-up lens.Pick-up lens is imaged based on the camera shooting light, generates corresponding image, and by generation
The image transmitting is to protection alarm device.
Protection alarm device is after obtaining the image, according to the image, judges currently to whether there is personnel in monitoring area.
Specifically, after the image for getting pick-up lens shooting, image recognition processing is carried out to the image.Since existing image is known
Other technology is highly developed, to the image carry out image recognition processing operation details are not described herein again.By to the image
Image recognition processing is carried out, the corresponding image data of the image is obtained.Wherein, which includes but not limited to institute in image
Include the profile information etc. of object.
After obtaining the corresponding image data of the image, according to the image data, judge whether the image is portrait.When
When the image is portrait, there is currently personnel in judgement monitoring area；Conversely, when the image is not portrait, monitored space is judged
There is currently no personnel in domain.
If illustrating that monitoring area is currently normal, at this point, protection alarm device is not there is currently no personnel in monitoring area
Carry out response processing operation.Optionally, when, there is currently no when personnel, protection alarm device continues to return to execution in monitoring area
The operation of step S10, alternatively, in detection monitoring area there is currently no personnel and after passing through preset duration, security alarm
Device continues to return to step the operation of S10, detects currently whether there is personnel in monitoring area again.
If conversely, illustrating that exception currently occurs in monitoring area, at this point, security protection report there is currently personnel in monitoring area
Alarm device executes corresponding alarm operation.
Optionally, in one embodiment, the step S60 includes：
Step d, control pre-set alarm send out corresponding audio alert prompt message.
Optionally, in one embodiment, safety alarm system further includes for sending out audio alert prompt message
Alarm, wherein the alarm can be independently arranged, and can also be to be set in protection alarm device.
When detecting in monitoring area there are when personnel, protection alarm device control alarm sends out corresponding audio alert
Prompt message.For example, control alarm sends out alert ring or the preset audio alert prompt such as " having stranger to swarm into " is believed
Breath.
Optionally, in another embodiment, the step S60 includes：
Step e sends the warning message comprising described image to corresponding mobile terminal.
Optionally, in another embodiment, detecting that protection alarm device is sent out there are when personnel in monitoring area
Send the warning message of the corresponding image comprising shooting to the mobile terminal of relative users.For example, prestoring home owner
The relevant information of mobile terminal such as prestores the corresponding Mobile Directory Number of mobile phone of home owner.When detecting monitored space
There are when personnel in domain, protection alarm device is sent accordingly according to the relevant information of pre-stored mobile terminal comprising figure
The warning message of picture is to corresponding mobile terminal.For example, the corresponding Mobile Directory Number of mobile phone based on home owner, with multimedia message
Mode is sent on warning message to the mobile phone of home owner.It is understood that in addition to it is above-mentioned enumerate by a manner of multimedia message
Warning message is sent to other than corresponding mobile terminal, warning message can also be sent by other means and moved to corresponding
Dynamic terminal, the mode for specifically sending warning message to corresponding mobile terminal are not limited.When user passes through mobile terminal
When receiving the warning message, you can execute corresponding treatment measures in time.
Scheme provided in this embodiment, when carrying out safety monitoring, by acquiring corresponding current light in monitoring area,
According to the luminous intensity of the current light, position of the preset optical filter relative to pick-up lens is adjusted, wherein optical filter is to through it
Current light carry out white light optical filtering might not be exactly therefore to work as eventually for the camera shooting light that pick-up lens is imaged
Preceding light.When current light is stronger, by optical filter carry out white light optical filtering, therefore, even exist at home portrait poster,
Television set is opened when playing figure picture, and pick-up lens can't shoot portrait image, to trigger mistake
Alarm.And when current light is weaker, white light optical filtering is not carried out by optical filter, therefore, enhances the figure of pick-up lens shooting
As the performance under low light condition, picture quality is improved, and then also improve the accuracy of security alarm.
Further, it is proposed the present invention is based on the security alarm method second embodiment of optical filter based on first embodiment,
In the present embodiment, as shown in figure 5, the step S40 includes：
Step S41 extracts the profile information in described image data；
Step S42 judges whether the profile information is the corresponding profile information of personnel；If so, thening follow the steps S43；
If it is not, thening follow the steps S44；
Step S43, judgement described image is portrait；
Step S44, judgement described image are not portrait.
Optionally, when obtaining the corresponding image data of the image, it is corresponding to extract the object for including in image data
Profile information.Then, judge whether extracted profile information is the corresponding profile information of personnel.If the profile letter extracted
Breath is the corresponding profile information of personnel, then judges the image for portrait.If being corresponded to conversely, the profile information extracted is not personnel
Profile information, then judge the image not be portrait.
Optionally, before the step S41, further include：
Whether step f, it includes regular rectangular shape information to detect in described image data；
Step g, if so, judging whether the area of the regular rectangular shape is more than the first preset area threshold value；
Step h executes the step S41 if the area of the regular rectangular shape is more than the first preset area threshold value.
Optionally, since the objects such as photo, television set, refrigerator, wardrobe are usually all regular rectangular shapes, into
Whether the detection range for entering pick-up lens includes regular rectangular shape information in first detection image data after being imaged.If picture number
Regular rectangular shape information is contained in, further obtain regular rectangular shape area, by the area of regular rectangular shape with pre-set
The first preset area threshold value be compared.Wherein, which can be according to pick-up lens resolution ratio and family
Front yard conventional environment is set.If the area of regular rectangular shape be less than or equal to the first preset area threshold value, namely explanation currently at
The image of picture is not substantially picture, at this point, it is portrait to judge the image not.
If conversely, the area of regular rectangular shape is more than the first preset area threshold value, namely the image that explanation is currently imaged is big
Width picture, at this point, execute the above-mentioned operation for extracting the profile information for including in image data again, with judge image whether be
Portrait.
Optionally, when the area of regular rectangular shape is more than the first preset area threshold value, the length-width ratio of computation rule rectangle/wide
Long ratio.For example, for calculating length-width ratio, if the length-width ratio of the regular rectangular shape calculated is more than the first ratio, namely explanation was
Long rectangle, this does not meet characteristics of human body, at this point, judgement image is not portrait.If conversely, the length-width ratio of the regular rectangular shape calculated
Less than or equal to the first ratio, at this point, executing the above-mentioned operation for extracting the profile information for including in image data again.
For calculating breadth length ratio, if the breadth length ratio of the regular rectangular shape calculated is more than the second ratio, wherein the second ratio is small
In the first ratio, namely explanation is wide rectangle, this does not meet characteristics of human body yet, at this point, judgement image is not portrait, it may
It is the subject images such as wardrobe, window, refrigerator.If conversely, calculate regular rectangular shape breadth length ratio be less than or equal to the second ratio, this
When, then the above-mentioned operation for extracting the profile information for including in image data is executed, to judge whether image is portrait.
Further, after the step f, further include：
Step i, if it is not, whether then detect in described image data includes face information；
Step j judges described image for portrait if including face information in described image data.
Further, there are another situations is exactly, when in detection image data do not include regular rectangular shape information, this
When, whether include face information in further detection image data.It, can be direct if not including face information in image data
It is portrait to judge image not.If conversely, including face information in image data, image behaviour picture is judged.
Optionally, after the step S41, further include：
Step k calculates corresponding contour area according to the profile information；
Step l executes the step S42 if the contour area is more than the second preset area threshold value.
Since the corresponding contour area of different objects is different, it is therefore preferred that being wrapped in extracting image data
After the profile information contained, do not judge whether extracted profile information is the corresponding profile information of personnel directly, but
Corresponding contour area is calculated first.If image includes multiple objects, the corresponding contour area of multiple objects is calculated separately.
Then, the contour area of calculating is compared with pre-set second preset area threshold value.Specifically, if figure
As including single object, then directly the corresponding single contour area of the single object is compared with the second preset area threshold value
Compared with.If image includes multiple objects, from the corresponding multiple contour areas of multiple objects, largest contours therein are selected
The largest contours area is compared by area with the second preset area threshold value.
If single contour area is more than the second preset area threshold value, or the largest contours area selected is less than or equal to
Second preset area threshold value, namely illustrate that contour area is too small, and be generally that can occupy certain contour area if it is human body
, therefore illustrate that contour area does not meet the corresponding contour area of characteristics of human body, at this point, judgement image is not portrait.
If conversely, single contour area is more than the second preset area threshold value, or the largest contours area selected is more than
Second preset area threshold value, at this point, execute again it is above-mentioned judge profile information whether be the corresponding profile information of personnel operation.
Optionally, before the step S42, further include：
Step m detects whether the imaging object is irregular dynamical state according to the profile information；
Step n if so, judging the imaging object for life entity, and executes the step S42.
If there are personnel's invasions in monitoring area, since the action form of personnel activity is usually irregular, this meeting
So that there is irregular dynamic change in imaging.Therefore, further, if detecting, single contour area is more than the second preset area
Threshold value, or the largest contours area selected are more than the second preset area threshold value, at this point, further whether detecting imaging object
For irregular dynamical state.If it is not, it is that there is no personnel to invade in portrait namely monitoring area then to judge image not.
Conversely, if detection imaging object is irregular dynamical state, judge imaging object for life entity.At this point, again into
One step execute judge profile information whether be the corresponding profile information of personnel operation.
It is understood that in addition to it is above-mentioned enumerate judge whether image is portrait by profile information other than, may be used also
Whether to judge image for portrait using other modes, and it is not limited to a kind of this mode, in the present embodiment, identification is schemed
Seem that the no mode for portrait is not restricted.
Scheme provided in this embodiment judges whether profile information is people by extracting the profile information in image data
The corresponding profile information of member；If so, judgement image behaviour picture；If it is not, it is portrait then to judge image not；When image is portrait
When, judge that there are personnel in monitoring area, and then execute corresponding alarm operation, to improve safety.
In addition, the embodiment of the present invention also proposes a kind of household appliance.
In the present embodiment, which includes the security alarm dress based on optical filter described in above-described embodiment
It sets.
When carrying out safety monitoring using household appliance, monitored space is acquired by the protection alarm device that household appliance is arranged
Corresponding current light in domain, and according to the luminous intensity of current light, adjust position of the optical filter relative to pick-up lens.Its
In, under different luminous intensities, accordingly optical filter is different relative to the position of pick-up lens.Optionally, optical filter, which is projected on, takes the photograph
The projected area of plane and luminous intensity are proportional as where camera lens, and when luminous intensity is bigger, optical filter is projected on camera lens
The projected area of plane is bigger where head；Conversely, when luminous intensity is smaller, the throwing of plane where optical filter is projected on pick-up lens
Shadow area is smaller.In this way, when the luminous intensity of current light is big, such as fine day, current light are filtered out through optical filter
White light is just more；Conversely, in the luminous intensity hour of current light, such as night, the white light that current light is filtered out through optical filter
It is just few.
After optical filter is adjusted relative to the position of pick-up lens, current light generates correspondence after optical filter
Camera shooting light enter pick-up lens.Pick-up lens is imaged based on the camera shooting light, generates corresponding image.Later, it takes the photograph
As camera lens is by the protection alarm device of the image transmitting to household appliance.
Optionally, it enumerates separately below in the case where light is very strong and light is very weak, to optical filter relative to camera lens
The mode that the position of head is adjusted is illustrated.
One, in the case of current light is very strong, optionally, the corresponding first default luminous intensity threshold of the last one light is pre-set
Value.Collecting the luminous intensity that the current light after corresponding current light, is detected in monitoring area.Due to detection luminous intensity
Technology is very ripe, and details are not described herein again.Later, by the luminous intensity of current light and the first default intensity threshold into
Row compares, and judges the size of two values.If the luminous intensity of current light is more than the first default intensity threshold, optical filter is adjusted
Parallel face pick-up lens, in this way, optical filter can filter out the white light in current light, the camera shooting after optical filter to the maximum extent
Light is exactly infrared light substantially.Infrared light enters pick-up lens and carries out infrared imaging, generates corresponding image.If that is, at this time
There are personnel in monitoring area, then the image that generates is just portrait, and if personnel are not present in monitoring area, namely there is no personnel
Irradiating infrared light, the then image generated are not just portraits.
Two, in the case that current light is very weak, optionally, after the luminous intensity of detection current light, if current light
Luminous intensity is less than the second default intensity threshold, wherein the second default intensity threshold is less than the first default intensity threshold.
If at this point, adjusting the parallel face pick-up lens of optical filter again, the white light in current light is filtered out, then the image ultimately produced
Performance will be very poor.Therefore, it in order to enhance performance of the image of generation under low light condition, is vertically taken the photograph at this point, adjusting optical filter
As camera lens.In this way, optical filter cannot filter out the white light in current light, the camera shooting light after optical filter is exactly current substantially
Light improves picture quality to enhance performance of the image under low light condition.
It is adjusted in the position to optical filter relative to pick-up lens, current light obtains corresponding take the photograph after optical filter
As light, into pick-up lens.Pick-up lens is imaged based on the camera shooting light, generates corresponding image, and by generation
The image transmitting to household appliance protection alarm device.
The protection alarm device of household appliance is after obtaining the image, according to the image, judge be currently in monitoring area
It is no that there are personnel.Specifically, after the image for getting pick-up lens shooting, image recognition processing is carried out to the image.Due to
Existing image recognition technology is highly developed, to the image carry out image recognition processing operation details are not described herein again.
By carrying out image recognition processing to the image, the corresponding image data of the image is obtained.Wherein, which includes but not
It is limited to the profile information etc. of object included in image.
After obtaining the corresponding image data of the image, according to the image data, judge whether the image is portrait.When
When the image is portrait, there is currently personnel in judgement monitoring area；Conversely, when the image is not portrait, monitored space is judged
There is currently no personnel in domain.
If illustrating that monitoring area is currently normal, at this point, the security protection of household appliance there is currently no personnel in monitoring area
Warning device is without responding processing operation.Optionally, when in monitoring area there is currently no when personnel, alternatively, being supervised in detection
It controls in region there is currently no personnel and by after preset duration, household appliance acquires prison by protection alarm device again
Current light in region is controlled, detects currently whether there is personnel in monitoring area again.
If conversely, illustrating that exception currently occurs in monitoring area, at this point, household electrical appliances are set there is currently personnel in monitoring area
It is standby that corresponding alarm operation is executed by protection alarm device.
Optionally, in one embodiment, safety alarm system further includes for sending out audio alert prompt message
Alarm, wherein the alarm can be independently arranged, and can also be to be set in protection alarm device.
When detecting in monitoring area there are when personnel, protection alarm device control alarm sends out corresponding audio alert
Prompt message.For example, control alarm sends out alert ring or the preset audio alert prompt such as " having stranger to swarm into " is believed
Breath.
Optionally, in another embodiment, detecting that protection alarm device is sent out there are when personnel in monitoring area
Send the warning message of the corresponding image comprising shooting to the mobile terminal of relative users.For example, prestoring home owner
The relevant information of mobile terminal such as prestores the corresponding Mobile Directory Number of mobile phone of home owner.When detecting monitored space
There are when personnel in domain, protection alarm device is sent accordingly according to the relevant information of pre-stored mobile terminal comprising figure
The warning message of picture is to corresponding mobile terminal.For example, the corresponding Mobile Directory Number of mobile phone based on home owner, with multimedia message
Mode is sent on warning message to the mobile phone of home owner.It is understood that in addition to it is above-mentioned enumerate by a manner of multimedia message
Warning message is sent to other than corresponding mobile terminal, warning message can also be sent by other means and moved to corresponding
Dynamic terminal, the mode for specifically sending warning message to corresponding mobile terminal are not limited.When user passes through mobile terminal
When receiving the warning message, you can execute corresponding treatment measures in time.
Scheme provided in this embodiment, when carrying out safety monitoring, by acquiring corresponding current light in monitoring area,
According to the luminous intensity of the current light, position of the preset optical filter relative to pick-up lens is adjusted, wherein optical filter is to through it
Current light carry out white light optical filtering might not be exactly therefore to work as eventually for the camera shooting light that pick-up lens is imaged
Preceding light.When current light is stronger, by optical filter carry out white light optical filtering, therefore, even exist at home portrait poster,
Television set is opened when playing figure picture, and pick-up lens can't shoot portrait image, to trigger mistake
Alarm.And when current light is weaker, white light optical filtering is not carried out by optical filter, therefore, enhances the figure of pick-up lens shooting
As the performance under low light condition, picture quality is improved, and then also improve the accuracy of security alarm.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions use so that a station terminal equipment (can be mobile phone,
Computer, server or network equipment etc.) execute method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (12)
1. a kind of security alarm method based on optical filter, which is characterized in that the security alarm method packet based on optical filter
Include following steps：
Acquire corresponding current light in monitoring area；
According to the luminous intensity of the current light, position of the preset optical filter relative to pick-up lens is adjusted, to be used for
The camera shooting light of imaging is imaged based on the camera shooting light for the pick-up lens, generates corresponding image；Wherein, institute
Optical filter is stated to carrying out white light optical filtering through its current light；
Image recognition processing is carried out to described image, obtains the corresponding image data of described image；
According to described image data, judge whether described image is portrait；
If described image is portrait, judge that there are personnel in the monitoring area；
Execute corresponding alarm operation.
2. the security alarm method according to claim 1 based on optical filter, which is characterized in that described image data include
The profile information of imaging object, it is described according to described image data, judge that the step of whether described image is portrait includes：
Extract the profile information in described image data；
Judge whether the profile information is the corresponding profile information of personnel；
If so, judgement described image is portrait；
If it is not, it is portrait then to judge described image not.
3. the security alarm method according to claim 2 based on optical filter, which is characterized in that the extraction described image
Before the step of profile information in data, further include：
Whether detect in described image data includes regular rectangular shape information；
If so, judging whether the area of the regular rectangular shape is more than the first preset area threshold value；
If the area of the regular rectangular shape is more than the first preset area threshold value, execute in the extraction described image data
The profile information the step of.
4. the security alarm method according to claim 3 based on optical filter, which is characterized in that the detection described image
After the step of whether including regular rectangular shape information in data, further include：
If it is not, whether then detect in described image data includes face information；
If including face information in described image data, judge described image for portrait.
5. the security alarm method according to claim 3 based on optical filter, which is characterized in that the extraction described image
After the step of profile information in data, further include：
According to the profile information, corresponding contour area is calculated；
If the contour area is more than the second preset area threshold value, executes and described judge whether the profile information is personnel couple
The step of profile information answered.
6. the security alarm method according to claim 5 based on optical filter, which is characterized in that described to judge the profile
Before the step of whether information is personnel's corresponding profile information, further include：
According to the profile information, detect whether the imaging object is irregular dynamical state；
If so, judge the imaging object for life entity, and executes and described judge whether the profile information is that personnel correspond to
Profile information the step of.
7. the security alarm method according to claim 1 based on optical filter, which is characterized in that the acquisition monitoring area
After the step of interior corresponding current light, further include：
Detect the luminous intensity of the current light；
The luminous intensity according to the current light, the step of adjusting position of the preset optical filter relative to pick-up lens wrap
It includes：
When the luminous intensity is more than the first default intensity threshold, pick-up lens described in the parallel face of the optical filter is adjusted.
8. the security alarm method according to claim 7 based on optical filter, which is characterized in that the detection is described current
After the step of luminous intensity of light, further include：
When the luminous intensity is less than the second default intensity threshold, the optical filter vertically pick-up lens is adjusted；Wherein,
The second default intensity threshold is less than the described first default intensity threshold.
9. the security alarm method according to claim 1 based on optical filter, which is characterized in that the corresponding report of execution
Warning the step of operating includes：
Control pre-set alarm sends out corresponding audio alert prompt message.
10. the security alarm method according to claim 1 based on optical filter, which is characterized in that described to execute accordingly
Alarm operation the step of include：
The warning message comprising described image is sent to corresponding mobile terminal.
11. a kind of protection alarm device based on optical filter, which is characterized in that the protection alarm device packet based on optical filter
It includes：Memory, processor and it is stored in the security alarm program that can be run on the memory and on the processor, it is described
Such as security protection of the claim 1-10 any one of them based on optical filter is realized when security alarm program is executed by the processor
The step of alarm method.
12. a kind of household appliance, which is characterized in that the household appliance includes as claimed in claim 11 based on optical filter
Protection alarm device.
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| CN201810376283.8A CN108597168A (en) | 2018-04-24 | 2018-04-24 | Security alarm method, apparatus based on optical filter and household appliance |
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Application publication date: 20180928 |