CN104267802A - Human-computer interactive virtual touch device, system and method - Google Patents
Human-computer interactive virtual touch device, system and method Download PDFInfo
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- CN104267802A CN104267802A CN201410436978.2A CN201410436978A CN104267802A CN 104267802 A CN104267802 A CN 104267802A CN 201410436978 A CN201410436978 A CN 201410436978A CN 104267802 A CN104267802 A CN 104267802A
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- 206010037660 Pyrexia Diseases 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention provides a human-computer interactive virtual touch device, system and method. The method comprises the steps that the brightness value of the environment is sensed, and a camera to be used is judged according to a preset brightness threshold value; a corresponding data flow passage is gated according to the camera determined for use, and the data flow passage is used for transmitting image data collected by the camera determined for use; the number of fingers of a user and the coordinates of each fingertip in an image are calculated according to the transmitted image data; the coordinate positions of the fingers of the user in the mage are mapped to corresponding human-computer interactive operation. By means of the human-computer interactive virtual touch device, system and method, the user can conduct human-computer interactive operation freely and conveniently through a virtual touch screen anytime and anywhere.
Description
Technical field
The present invention relates to virtual technical field of touch control, particularly relate to a kind of man-machine interactive virtual touch control device, system and method.
Background technology
Input equipment is the important component part in the man-machine interaction of prior art, the mutual input equipment of certain entity is always depended in current man-machine interaction, such as mouse, keyboard, Touch Screen etc., namely must there is an in esse special man-machine interaction hardware device can finishing man-machine interaction behavior, so just greatly limit the place scope and condition of carrying out man-machine interaction.
Summary of the invention
In view of the above problems, the invention provides a kind of the man-machine interactive virtual touch control device, the system and method that overcome the problems referred to above or solve the problem at least partly.
The invention provides a kind of man-machine interactive virtual touch control device, it is characterized in that, this device also comprises:
Ambient brightness sensing unit, for the brightness value of induced environment.
Mode of operation judging unit, judges use first camera or second camera for the ambient brightness value responded to according to this ambient brightness sensing unit with the luminance threshold value pre-set.
Path selection unit, for determining the data flow circuit that the camera gating of use is corresponding according to this mode of operation judging unit, determines by this mode of operation judging unit the view data that the camera used gathers to carry.
Identify arithmetic element, calculate finger number and each finger tip coordinate in the picture for the view data of carrying according to this path selection unit.
This processing unit is mapped as the operation of corresponding man-machine interaction according to user's finger coordinate position in the picture that this identification arithmetic element calculates.
The present invention also provides a kind of man-machine interactive virtual touch-control system, this system comprises man-machine interactive virtual touch control device, picture pick-up device and operation auxiliary glove, this picture pick-up device and this device communicate to connect, and this picture pick-up device comprises a common camera and an infrared camera.This device comprises:
Ambient brightness sensing unit, for the brightness value of induced environment.
Mode of operation judging unit, judges to use this first camera or second camera with the luminance threshold value pre-set for the ambient brightness value responded to according to this ambient brightness sensing unit.
Path selection unit, for determining data flow circuit corresponding to camera gating used according to this mode of operation judging unit, with carry by this mode of operation judging unit determine the camera used gather user and wear the view data that this operates auxiliary glove.
Identify arithmetic element, calculate finger number and each finger tip coordinate in the picture for the view data of carrying according to this path selection unit.
Processing unit, the user's finger coordinate position in the picture for calculating according to this identification arithmetic element is mapped as the operation of corresponding man-machine interaction.
The present invention also provides a kind of man-machine interactive virtual touch control method, and the method comprises:
The brightness value of induced environment, and the camera judging use according to the luminance threshold value pre-set.
The data flow circuit corresponding according to the camera gating determining to use, and the view data of carrying this shooting determining to use to gather by this data flow circuit.
View data according to this conveying calculates finger number and each finger tip coordinate in the picture.And
The operation of corresponding man-machine interaction is mapped as according to user's finger coordinate position in the picture.
A kind of man-machine interactive virtual touch control device provided by the invention, system and method, environmentally brightness sensing unit and mode of operation decision circuitry can make the light intensity in system automatic decision operating environment, and the automatic switchover action making mode of operation carries out image acquisition to select common camera or infrared camera, user wears operation auxiliary glove with under ensureing that pseudo operation may operate in different environment light conditions by finger end points color or the heat-producing device of glove surface, significantly add the environmental suitability of virtual opetrating system, facilitate user whenever and wherever possible by man-machine interactive operation that virtual touch screen carries out freely.
Accompanying drawing explanation
Fig. 1 is the high-level schematic functional block diagram of the virtual touch-control system of man-machine interactive in embodiment of the present invention;
Fig. 2 is the schematic diagram that the picture pick-up device of the virtual touch-control system of man-machine interactive in embodiment of the present invention is connected with device;
Fig. 3 is the schematic flow sheet of the virtual touch control method of man-machine interactive in embodiment of the present invention.
Label declaration:
System 100
Device 10
Ambient brightness sensing unit 101
Path selection unit 102
Mode of operation judging unit 103
Identify arithmetic element 104
Processing unit 105
Gloves heating plate switch control unit 106
Picture pick-up device 20
First camera 21
Second camera 22
Operation auxiliary glove 30
Embodiment
By describing technology contents of the present invention, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Refer to Fig. 1, for the high-level schematic functional block diagram of the virtual touch-control system of the man-machine interactive in embodiment of the present invention, this system 100 comprises man-machine interactive virtual touch control device 10, picture pick-up device 20 and operation auxiliary glove 30, for realizing touch-control input to the detection of user's gesture.This device 10 comprises ambient brightness sensing unit 101, path selection unit 102, mode of operation judging unit 103, identifies arithmetic element 104, processing unit 105 and gloves heating plate switch control unit 106.This device 10 can be applied in the electronic equipments such as such as camera, mobile phone, panel computer, and this picture pick-up device 20 is communicated to connect by network and this device 10, and the transmission medium of this network can be the wireless transmission medium such as bluetooth, zigbee, WIFI.
Please refer to Fig. 2, this picture pick-up device 20 comprises the first camera 21 and second camera 22, is respectively common camera and infrared camera.Wherein, this common camera in the good situation of light condition, can be carried out image acquisition to user operation action and is sent to device 10 analyzing.Infrared camera when light condition is poor, can carry out image acquisition to user operation action and is sent to device 10 analyzing.
The brightness value of this ambient brightness sensing unit 101 induced environment, and ambient brightness value is sent in this mode of operation judging unit 103.This mode of operation judging unit 103 judges to use common camera or infrared camera according to the luminance threshold value pre-set.Such as, brightness impression scope is 1 ~ 100, and threshold value is 50, then determine when ambient brightness value is more than 50 to use common camera, when ambient brightness value lower than 50 time use infrared camera image.
According to this mode of operation judging unit 103, this path selection unit 102 determines that the camera data stream of correspondence is strobed into this identification arithmetic element 104 by the camera used, then device 10 can start normal operation.
When carrying out interactive operation, user needs the hand (hereinafter referred to as one hand) operated unsettledly to lie against in image capture area by the both hands wearing operation auxiliary glove 30, this image capture area is that the rectangular area that this first camera 21 and second camera 22 can be taken is formed, by this first camera 21 and second camera 22, the image information photographed is sent to this path selection unit 102 by wireless transfer channel simultaneously, by other data transfer mode, image information can also be sent to this path selection unit 102.
According to this mode of operation judging unit 103, this path selection unit 102 determines that the camera used selects the wherein selected view data gathered of two cameras to be sent to this identification arithmetic element 104.The camera of current use that this identification arithmetic element 104 is determined according to this mode of operation judging unit 103 and the view data of seizure thereof calculate finger number and each finger tip coordinate in the picture (the row, column coordinate in image), and coordinate figure is sent to this processing unit 105.
This processing unit 105, according to user's finger coordinate position in the picture, is mapped as the operation of corresponding man-machine interaction, such as, and mouse action, keyboard operation, finger multipoint operation etc.
Wherein, each finger tip position of this operation auxiliary glove 30 is the red of pure color, because common camera is all based on RGB (red-green-blue) sampling, the position of pure red point can be gone out by extracting directly, green or blueness also can be used as finger of glove end points color.Each finger tip position of this operation auxiliary glove 30 arranges auxiliary fever tablet device, for catching image for infrared camera under the poor environment of luminous ray condition, because infrared camera is very responsive to the sampling of high temperature image, so the finger tip position of high temperature dot directly can be extracted from infrared image.According to this mode of operation judging unit 103, this gloves heating plate switch control unit 106 determines that judged result controls the switch of the auxiliary fever tablet device of each finger tip position of this operation auxiliary glove 30.
This identification arithmetic element 104 calculates finger number and is specially:
When this mode of operation judging unit 103 is determined to use common camera, user wears this operation auxiliary glove 30, and each fingertip location is the red of pure color, and extracting directly goes out red pure position, then calculates a total several end points.When this mode of operation judging unit 103 is determined to use infrared photography, user wears this operation auxiliary glove 30, and each fingertip location is the point having heating, and extracting directly is published picture hotspot location in picture, then calculates a total several end points.
Refer to Fig. 3, be the schematic flow sheet of the virtual touch control method of the man-machine interactive in embodiment of the present invention, the method comprises:
Step S40, the brightness value of this ambient brightness sensing unit 101 induced environment, this mode of operation judging unit 103 judges to use common camera or infrared camera according to the ambient brightness value that the luminance threshold value pre-set and this ambient brightness sensing unit 101 sense.
Such as, brightness impression scope is 1 ~ 100, and threshold value is 50, then determine when ambient brightness value is more than 50 to use common camera, when ambient brightness value lower than 50 time use infrared camera image.
Step S41, according to this mode of operation judging unit 103, this path selection unit 102 determines that the camera data stream of correspondence is strobed into this identification arithmetic element 104 by the camera used.
Step S42, user needs the hand (hereinafter referred to as one hand) operated unsettledly to lie against in image capture area by the both hands wearing operation auxiliary glove 30, this image capture area is that the rectangular area that this first camera 21 and second camera 22 can be taken is formed, and by this first camera 21 and second camera 22, the image information photographed is sent to this path selection unit 102 by wireless transfer channel simultaneously, by other data transfer mode, image information can also be sent to this path selection unit 102.
Step S42, according to this mode of operation judging unit 103, this path selection unit 102 determines that the camera used selects the wherein selected view data gathered of two cameras to be sent to this identification arithmetic element 104.
The camera of current use that this identification arithmetic element 104 is determined according to this mode of operation judging unit 103 and the view data of seizure thereof calculate finger number and each finger tip coordinate in the picture (the row, column coordinate in image), and coordinate figure is sent to this processing unit 105.
Wherein, each finger tip position of this operation auxiliary glove 30 is the red of the pure color of pure color, because common camera is all sample based on RGB (red-green-blue), the position of pure red point can be gone out by extracting directly, green or blueness also can be used as finger of glove end points color.Each finger tip position of this operation auxiliary glove 30 arranges auxiliary fever tablet device, for catching image for infrared camera under the poor environment of luminous ray condition, because infrared camera is very responsive to the sampling of high temperature image, so the finger tip position of high temperature dot directly can be extracted from infrared image.According to this mode of operation judging unit 103, this gloves heating plate switch control unit 106 determines that judged result controls the switch of the auxiliary fever tablet device of each finger tip position of this operation auxiliary glove 30.
This identification arithmetic element 104 calculates finger number and is specially:
When this mode of operation judging unit 103 is determined to use common camera, user wears this operation auxiliary glove 30, and each fingertip location is the red of pure color, and extracting directly goes out red pure position, then calculates a total several end points.When this mode of operation judging unit 103 is determined to use infrared photography, user wears this operation auxiliary glove 30, and each fingertip location is the point having heating, and extracting directly is published picture hotspot location in picture, then calculates a total several end points.
Step S43, this processing unit 105, according to user's finger coordinate position in the picture, is mapped as the operation of corresponding man-machine interaction, such as, mouse action, keyboard operation, finger multipoint operation etc.
A kind of man-machine interactive virtual touch control device provided by the invention, system and method, environmentally brightness sensing unit and mode of operation decision circuitry can make the light intensity in system automatic decision operating environment, and the automatic switchover action making mode of operation carries out image acquisition to select common camera or infrared camera, user wears operation auxiliary glove with under ensureing that pseudo operation may operate in different environment light conditions by finger end points color or the heat-producing device of glove surface, significantly add the environmental suitability of virtual opetrating system, facilitate user whenever and wherever possible by man-machine interactive operation that virtual touch screen carries out freely.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (11)
1. a man-machine interactive virtual touch control device, comprises processing unit, it is characterized in that, described device also comprises:
Ambient brightness sensing unit, for the brightness value of induced environment;
Mode of operation judging unit, for judging use first camera or second camera according to the ambient brightness value of described ambient brightness sensing unit induction with the luminance threshold value pre-set;
Path selection unit, for determining the data flow circuit that the camera gating of use is corresponding according to described mode of operation judging unit, determines by described mode of operation judging unit the view data that the camera used gathers to carry;
Identify arithmetic element, calculate finger number and each finger tip coordinate in the picture for the view data of carrying according to described path selection unit;
Described processing unit is mapped as the operation of corresponding man-machine interaction according to user's finger coordinate position in the picture that described identification arithmetic element calculates.
2. man-machine interactive virtual touch control device as claimed in claim 1, it is characterized in that, described first camera and second camera are respectively common camera and infrared camera.
3. man-machine interactive virtual touch control device as claimed in claim 2, it is characterized in that, when described mode of operation judging unit is determined to use common camera, described identification arithmetic element calculates finger number and each finger tip coordinate is in the picture specially: according to the quantity of the pure color point extracted from image and position calculation finger number and each finger tip coordinate in the picture.
4. man-machine interactive virtual touch control device as claimed in claim 2, it is characterized in that, also comprise gloves heating plate switch control unit, when described mode of operation judging unit determines that controlling described gloves heating plate switch control unit when using infrared camera opens and open with the auxiliary fever tablet device of each finger tip position of control operation auxiliary glove;
Described identification arithmetic element calculates finger number and each finger tip coordinate is in the picture specially: according to the quantity of the focus extracted from image and position calculation finger number and each finger tip coordinate in the picture.
5. the virtual touch-control system of man-machine interactive, it is characterized in that, described system comprises man-machine interactive virtual touch control device, picture pick-up device and operation auxiliary glove, and described picture pick-up device and described device communicate to connect, and described picture pick-up device comprises a common camera and an infrared camera; Described device comprises:
Ambient brightness sensing unit, for the brightness value of induced environment;
Mode of operation judging unit, for judging to use described first camera or second camera with the luminance threshold value pre-set according to the ambient brightness value of described ambient brightness sensing unit induction;
Path selection unit, for determining data flow circuit corresponding to camera gating used according to described mode of operation judging unit, with carry by described mode of operation judging unit determine the camera used gather the view data that user wears described operation auxiliary glove;
Identify arithmetic element, calculate finger number and each finger tip coordinate in the picture for the view data of carrying according to described path selection unit;
Processing unit, the user's finger coordinate position in the picture for calculating according to described identification arithmetic element is mapped as the operation of corresponding man-machine interaction.
6. the virtual touch-control system of man-machine interactive as claimed in claim 5, it is characterized in that, described first camera and second camera are respectively common camera and infrared camera.
7. the virtual touch-control system of man-machine interactive as claimed in claim 6, it is characterized in that, when described mode of operation judging unit is determined to use common camera, described identification arithmetic element calculates finger number and each finger tip coordinate is in the picture specially: according to the quantity of the pure color point extracted from image and position calculation finger number and each finger tip coordinate in the picture.
8. the virtual touch-control system of man-machine interactive as claimed in claim 6, it is characterized in that, also comprise gloves heating plate switch control unit, when described mode of operation judging unit determines that controlling described gloves heating plate switch control unit when using infrared camera opens and open with the auxiliary fever tablet device of each finger tip position of control operation auxiliary glove;
Described identification arithmetic element calculates finger number and each finger tip coordinate is in the picture specially: according to the quantity of the focus extracted from image and position calculation finger number and each finger tip coordinate in the picture.
9. the virtual touch control method of man-machine interactive, is characterized in that, described method comprises:
The brightness value of induced environment, and the camera judging use according to the luminance threshold value pre-set;
The data flow circuit corresponding according to the camera gating determining to use, and the view data of carrying the described shooting determining to use to gather by described data flow circuit;
View data according to described conveying calculates finger number and each finger tip coordinate in the picture; And
The operation of corresponding man-machine interaction is mapped as according to user's finger coordinate position in the picture.
10. the virtual touch control method of man-machine interactive as claimed in claim 9, it is characterized in that, described camera is common camera or infrared camera.
The virtual touch control method of 11. man-machine interactive as claimed in claim 10, is characterized in that, the step that the described view data according to described conveying calculates finger number and each finger tip coordinate in the picture comprises:
When determining to use common camera, according to the pure color point extracted from image quantity and position calculation finger number and each finger tip coordinate in the picture;
When determining to use infrared camera, the auxiliary fever tablet device controlling each finger tip position of described operation auxiliary glove is opened, and according to the quantity of the focus extracted from image and position calculation finger number and each finger tip coordinate in the picture.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410436978.2A CN104267802A (en) | 2014-08-29 | 2014-08-29 | Human-computer interactive virtual touch device, system and method |
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| CN201410436978.2A CN104267802A (en) | 2014-08-29 | 2014-08-29 | Human-computer interactive virtual touch device, system and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104915007A (en) * | 2015-06-17 | 2015-09-16 | 福州瑞芯微电子有限公司 | Display screen device use state judgment method and circuit |
| CN107646101A (en) * | 2015-05-26 | 2018-01-30 | 三星电子株式会社 | Medical image display device and the method that user interface is provided |
| CN108681419A (en) * | 2017-12-11 | 2018-10-19 | 北京硬壳科技有限公司 | Suspension touch control method and relevant apparatus |
| CN110070684A (en) * | 2019-04-16 | 2019-07-30 | 北京意锐新创科技有限公司 | A kind of barcode scanning payment devices for open air |
| CN110141851A (en) * | 2019-04-08 | 2019-08-20 | 努比亚技术有限公司 | A kind of record screen method, apparatus and computer readable storage medium |
| CN112558936A (en) * | 2020-12-14 | 2021-03-26 | 类人思维(山东)智慧科技有限公司 | Computer operating system development assisting method and device and storage medium |
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Application publication date: 20150107 |