CN101035224A - Video device and method for adjusting the characteristic of the video image - Google Patents
Video device and method for adjusting the characteristic of the video image Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42202—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/64322—IP
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Abstract
The invention discloses a video device, comprising: network communication unit, to receive service content information from network side; video image characteristic processing unit, to obtain information on elements influencing video image characteristics and process the element information and feed the processing results back to video image characteristic adjusting unit; video image characteristic adjusting unit to determine adjusting information according to the processing results to adjust the video image data corresponding to the service content information, or adjust display circuit. And the invention also discloses a method for automatically adjusting video image characteristics. And the invention implements automation and intelligentization of video image characteristic adjustment, overcomes the defect of 'glaring', and improves user's experience.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of self-regulating video equipment of video properties and method of supporting output.
Background technology
Existing television screen can allow the people produce " dazzle "---and when people observe a certain visual object,, will influence observing effect, and can make the people feel uncomfortable, glare phenomenon that Here it is if a dazzling luminous point is arranged in the visual field.Correlation study shows that the disease of a lot of eye disease patients is owing to watch the TV of high brightness to cause for a long time, is to exist dazzle to pollute owing to the brightness of some TVs is too high to cause from medically explaining.LCD TV causes dazzle to pollute than common TV is easier, and this is because liquid crystal itself can not be luminous, can only rely on backlight that brightness is provided.Therefore, the brightness of LCD TV is very high, has seen that for a long time nature will make people's visual fatigue, produces " dazzle is dazzling ", and then causes eyesight to descend easily.Along with more LCD TV is come into ordinary consumer family, and dazzle that cause too high by brightness polluted and caused consumer and numerous TV manufacturers' concern.
At the dazzle pollution problems, " screen become " technology is arisen at the historic moment, and this technology that is called as " screen becomes " can be according to automatic conversion brightness of view environment and color, thereby makes spectators feel dazzling, dizzy because brightness is too high at the Shi Buhui that televiews." screen become " technology can solve the dazzle pollution problem of traditional LCD TV, is that it not only can regulate from the conversion of TV internal image self brightness, but also can change according to the variation of spectators' view environment brightness.The effect of " screen becomes " is to become two coefficient results of part by change of light sensation screen and scene screen.Light sensation screen becomes and is meant the optical sensor of utilizing TV external, regulates backlight lamp tube brightness degree and power by the monitoring of ambient brightness power to external world.It is the compensation deals that utilize chip that the scene screen becomes, and from the power of motion tracking input signal, control is accurately managed in the brightness of backlight.
By " screen becomes " technology is applied to the novel liquid crystal TV, solved the dazzle pollution problem of traditional liquid crystal TV set preferably.But use this technology solution glare problem following deficiency still arranged:
(1) " screen becomes " technology depends on special-purpose chip, has increased the cost of television equipment;
(2) " screen becomes " technology is mainly to be to realize by the adjusting to backlight intensity, and this technology also just can only be applied to use the LCD TV of backlight device;
(3) in the market or just in use a large amount of CRT and LCD TV do not support " screen become " function.
Present IPTV set-top box watches video frequency program that a good visual experience can both be arranged under different brightness environment in order to make the user, mostly provide the brightness of a manual adjustments output video image for the user, colourity, the operation-interface of contrast, the light intensity of viewing and admiring environment as the user has bigger change, perhaps the picture characteristics of the video frequency program of different channel has than big-difference, and the user obtains dissimilar business (as browsing page by set-top box, video request program, text reading or editor) time, the user can be by the brightness of this interface manual adjustments output video, contrast etc., with the video image characteristic of improvement output, thereby give the better visual experience of user.The defective of this user's manual adjustments video properties method is clearly: when the user watches the light of environment bigger variation is arranged, perhaps characteristics such as the brightness of user's switching channels deutomerite purpose video image, contrast have very big-difference, and the user to utilize set-top box to obtain dissimilar when professional, all need be come the video properties of manual adjustments set-top box output by the user, this obviously brings a lot of troubles to the user.
Summary of the invention
In view of this, the embodiment of the invention provides self-regulating video equipment of a kind of support video properties and method, with the automation that realizes that the video image characteristic is regulated, overcomes the defective of " dazzle is dazzling " with lower cost, improves user experience.
The embodiment of the invention realizes by the following technical solutions:
The embodiment of the invention provides a kind of video equipment, comprising:
Network communication unit is used to receive the business tine information from network side;
Video image characteristic processing unit is used to obtain the element information that the video image characteristic is exerted an influence, and described element information is handled, and result is fed back to video image characteristic regulon;
The result that provides according to described video image characteristic processing unit is provided video image characteristic regulon, determines adjusting information, and the vedio data of described business tine information correspondence is regulated, and perhaps, display circuit is regulated.
The embodiment of the invention also provides a kind of method of regulating the video image characteristic, is applied to video equipment, comprising:
Reception is from the business tine information of network side;
Obtain the element information that the video image characteristic is exerted an influence, described element information is handled, determine adjusting information;
According to described adjusting information, the vedio data of described business tine information correspondence is regulated, perhaps, display circuit is regulated.
Implement the embodiment of the invention, has following beneficial effect: obtain the element information that the video image characteristic is exerted an influence by video equipment, comprise: ambient light, type of service etc., realized " screen becomes " automation and intellectuality, alleviated people's visual fatigue, reduce manual trouble, strengthened user experience; The technical scheme of the embodiment of the invention can be applied to polytype display, and is applied widely; Can realize by software, not rely on special chip, can expand, reduce cost with maintainable strong.
Description of drawings
Fig. 1 is the structural representation of present device embodiment one;
Fig. 2 is the structural representation of present device embodiment two;
Fig. 3 is the structural representation of the ambient light detecting unit of present device embodiment two;
Fig. 4 is the structural representation of present device embodiment three;
Fig. 5-1 is the structural representation of present device embodiment four;
Fig. 5-2 is the video image statistics of features cellular construction schematic diagram of present device embodiment four;
Fig. 6 is the flow chart of the inventive method embodiment one;
Fig. 7 is the flow chart of the inventive method embodiment two;
Fig. 8 is the flow chart of the inventive method embodiment three;
Fig. 9 is the flow chart of the inventive method embodiment four.
Embodiment
The embodiment of the invention provides a kind of self-regulating video equipment of video properties and method of supporting output.For making the purpose, technical solutions and advantages of the present invention clearer, will further be described in detail below the present invention.
The embodiment of the invention provides, and below by apparatus embodiments one to four, and is elaborated in conjunction with the accompanying drawings.
Apparatus embodiments one
With reference to Fig. 1, a kind of video equipment that the embodiment of the invention provides comprises: control unit 102, network communication unit 104, audio/video decoding unit 106, video image characteristic processing unit 108 and video image characteristic regulon 110.Wherein, network communication unit 104 is used for the communication of this video equipment and network, and this video equipment is linked into network, receives the business tine information from network side; Control unit 102 is used for the cooperation between each functional unit of forming this video equipment is controlled and coordinated; Audio/video decoding unit 106 is used for the business tine information decoding to receiving, and obtains audio/video flow; Video image characteristic processing unit 108 is used to obtain the element information that the video image characteristic is exerted an influence, and described element information is handled, and result is fed back to video image characteristic regulon; The result that provides according to described video image characteristic processing unit is provided video image characteristic regulon 110, determines adjusting information, and the vedio data of described business tine information correspondence is regulated, and perhaps, display circuit is regulated.The video equipment of present embodiment also comprises: video post-processing unit 114, audio frequency post-processing unit 112, media play interface unit 116, peripheral hardware and extended interface unit 118.Video post-processing unit 114 is used for the video data with video image characteristic regulon output, and the pattern of the media play interface that provides according to this video equipment is carried out corresponding conversion process; Audio frequency post-processing unit 112 is used for the voice data with audio/video encoding/decoding unit output, and the pattern of the media play interface that provides according to this video equipment is carried out corresponding conversion process; Media play interface unit 116 is interfaces of this video equipment and broadcast unit/equipment, and this unit is used for the audio/video flow adjusting of sound, the output of video post-processing unit is outputed to playback equipment, such as television set or display terminal etc.
Apparatus embodiments two
With reference to Fig. 2, the video equipment that present embodiment provides is compared with apparatus embodiments one, difference is, video image characteristic processing unit 108 is specially: ambient light detecting unit 202, this unit is used to measure the light of user's environment of living in, record and stores it, default ambient brightness and corresponding video image characteristic reference information thereof; Measurement result is handled calculating, described result is fed back to described video image characteristic regulon; This result can directly output to video image characteristic regulon, also can output to control unit and further arrive video image characteristic regulon again.Particularly, with reference to Fig. 3, ambient light detecting unit 202 comprises:
One or more light-sensitive devices 302 are used for ambient light is measured in real time;
Ambient light detecting unit 202 is measured (during a plurality of light-sensitive device need to the measurement result comprehensive statistics of each light-sensitive device) by light-sensitive device in real time to the light intensity of environment.
Preserve the reference value of default ambient brightness and corresponding video image characteristic information in the memory cell 304, this reference value can be updated according to all previous adjusting information, and can obtain the characteristic information of current video image from video image characteristic regulon.
After processing unit 306 is video image characteristic regulon output result at every turn, the ambient brightness value in this moment is recorded memory cell, the follow-up period when the difference of finding real-time detected ambient brightness value and the ambient brightness value of record last time during greater than default threshold values, be the new result of video image characteristic regulon output once more, and ambient brightness value that will this moment record memory cell.
Video image characteristic regulon is used for measuring and result according to the light of the ambient light detecting unit output that receives, determine adjusting information, the former number of the video image of audio/video encoding/decoding unit output is measured and result, determine adjusting information, the former data of video image of audio/video encoding/decoding unit output are regulated.Because this processing mainly is at because the demand of user's vision that the variation of ambient light brings, can adopt the method for " linear greyscale transformation " in the image processing techniques.According to this method, suppose by picture element in the image of audio/video encoding/decoding unit output (x, the gray scale of y) locating is f (x, y), the gray scale of handling corresponding pixel point place, back be g (x, y), if f (x, y) tonal range is [a, b], and the image g after the expectation conversion (x, y) the dynamic change scope of gray scale is [c, d], then availablely realize as down conversion:
Wherein, a, b can obtain by the current video image data statistics to the output of audio/video encoding/decoding unit, c, d regulate information by default ambient brightness with the reference value of corresponding video image characteristic information and from the video image characteristic of ambient light detecting unit output, and it is comprehensively definite to press set adjusting strategy.The method that the video image characteristic is regulated in the such scheme is to carry out conversion process by the data of software function after to picture decoding to realize, does not need special-purpose chip.In addition, can also when post processing of image, regulate realization to the corresponding signal component in the synthetic analog video stream in D/A conversion back by hardware circuit.
Apparatus embodiments three
With reference to Fig. 4, the video equipment that present embodiment provides is compared with apparatus embodiments one, difference is that video image characteristic processing unit 108 is specially: type of service perception unit 402 is used to store the type of default business tine information and the adjusting information of corresponding video image characteristic thereof; Obtain the type information of the received business tine information of current video equipment, determine the information of video image characteristic corresponding according to the type information with it; Give video image characteristic regulon with this feedback information.Video image characteristic regulon receives the information from type of service perception unit, determines video image characteristic adjusting information, according to this adjusting information the vedio data of business tine information correspondence is regulated, and perhaps, display circuit is regulated.
Usually, the user is to different business tine information, and it is different requiring as the vision of webpage, film, recreation, electronic document etc., as to film, can require chroma-luminance distinct relatively, then requires the soft relatively dimness of brightness a little to electronic document.The user can as film, be provided with brightness 80, contrast 75 at default its corresponding video image characteristic of different business tine information types; To electronic document reading, brightness 70 is set, contrast 55.This unit real-time perception business tine change in information is according to changing to video image characteristic regulon feedback information.
In this enforcement, can be to the specific implementation of video image characteristic regulon by software or hardware mode realization.Video image characteristic regulon can be a software module, realizes decoded vedio data is regulated, and concrete ins and outs are introduced in apparatus embodiments two in detail, do not repeat them here.Video image characteristic regulon also can be a hardware circuit, and this circuit is regulated the corresponding signal component in the synthetic analog video stream in D/A conversion back when post processing of image.
Apparatus embodiments four
With reference to Fig. 5-1, the video equipment that present embodiment provides is compared with apparatus embodiments one, and difference is that video image characteristic processing unit 108 is specially: video image statistics of features unit 502 with reference to Fig. 5-2, specifically can comprise:
Memory cell 504 is used to store default reference video image characteristic information;
Statistical computation unit 506, be used for the former data of video image of audio/video encoding/decoding unit output are added up, the reference video image characteristic information of presetting in result and the memory cell of statistics is compared, this result is fed back to video image characteristic regulon.
Video image characteristic regulon is determined the adjusting information to the current video image characteristic according to this result, according to this adjusting information the vedio data of described business tine information correspondence is regulated.
The video equipment that present device embodiment provided can be display terminal, home media equipment, television set, computer display terminal, video eyeglasses, mobile communication terminal (as mobile phone etc.), mobile digital amusement equipment (as the MP4 player) of set-top box, integrated set-top box function etc.
At apparatus embodiments one to four, corresponding method embodiment is described.
Method embodiment one
With reference to Fig. 6, present embodiment provides a kind of method of regulating the video image characteristic, is applied to video equipment, comprising:
S602, video equipment receives the business tine information from network side;
S604, video equipment obtain the element information that the video image characteristic is exerted an influence, and element information is handled, and determine adjusting information;
S606, video equipment regulate the vedio data of business tine information correspondence according to adjusting information, perhaps, display circuit are regulated.
Method embodiment two
The method of present embodiment is based on the expansion of method embodiment one, and step " is obtained the element information that the video image characteristic is exerted an influence " and being comprised: the light of measuring user's environment of living in.With reference to Fig. 7:
S702, video equipment receives the business tine information from network side;
S704, video equipment is decoded to business tine information, and reduction obtains the data of audio frequency and video;
S706, video equipment is measured the light of user's environment of living in, the feedback measurement result;
S708, video equipment is according to default ambient brightness and corresponding picture characteristics reference information thereof to storing on the measurement result of ambient light, the video equipment, and a preceding measured environmental brightness value is handled calculating, adjusted information;
S710, video equipment is regulated vedio data according to adjusting information.
Method embodiment three
The method of present embodiment is based on the expansion of method embodiment one, and step " is obtained the element information that the video image characteristic is exerted an influence " and being comprised: the type information that obtains the received business tine information of current video equipment.With reference to Fig. 8:
S802, video equipment receives the business tine information from network side;
S804, video equipment obtain the type information of the received business tine information of current video equipment;
S806, video equipment search the adjusting information that is stored in the default video image characteristic corresponding with it of storing on this video equipment according to the type information of business tine information, export this adjusting information;
S808, video equipment is regulated vedio data according to described adjusting information, perhaps, display circuit is regulated.
Method embodiment four
The method of present embodiment is based on the expansion of method embodiment one, and step " is obtained the element information that the video image characteristic is exerted an influence " and being comprised: the former data of video image are added up, obtain statistics.With reference to Fig. 9:
S902, video equipment receives the business tine information from network side;
S904, video equipment is decoded to described business tine information, and reduction obtains the data of audio frequency and video;
S906, video equipment is added up vedio data, obtains statistics;
S908, video equipment determine the adjusting information of video image characteristic according to the default reference video image characteristic information of storing on described statistics and this video equipment, export this adjusting information;
S910, video equipment is regulated vedio data according to described adjusting information.
Implement the embodiment of the invention, has following beneficial effect: obtain the element information that the video image characteristic is exerted an influence by video equipment, comprise: ambient light, type of service etc., realized " screen becomes " automation and intellectuality, alleviated people's visual fatigue, reduce manual trouble, strengthened user experience; The technical scheme of the embodiment of the invention can be applied to polytype display, and is applied widely; Can realize by software, not rely on special chip, can expand with maintainable strong, cost is lower.
The foregoing description only is used to illustrate the present invention, but not is used to limit the present invention.Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1. a video equipment is characterized in that, comprising:
Network communication unit is used to receive the business tine information from network side;
Video image characteristic processing unit is used to obtain the element information that the video image characteristic is exerted an influence, and described element information is handled, and result is fed back to video image characteristic regulon;
The result that provides according to described video image characteristic processing unit is provided video image characteristic regulon, determines adjusting information, and the vedio data of described business tine information correspondence is regulated, and perhaps, display circuit is regulated.
2. video equipment as claimed in claim 1, it is characterized in that, described video image characteristic processing unit comprises: the ambient light detecting unit is used to measure the light of user's environment of living in, stores it, default ambient brightness and corresponding video image characteristic reference information thereof.
3. video equipment as claimed in claim 2 is characterized in that, the ambient light detecting unit comprises:
Light-sensitive device is used for ambient light is measured in real time;
Memory cell is used to store default ambient brightness and corresponding video image characteristic reference information thereof, and a preceding measured environmental brightness value;
Processing unit is used for handling according to the information of measurement result and described memory cell, and result is fed back to video image characteristic regulon.
4. video equipment as claimed in claim 2, it is characterized in that video image characteristic regulon is used for handling calculating according to the result of described ambient light detecting unit output, determine adjusting information, the vedio data of described business tine information correspondence is regulated.
5. video equipment as claimed in claim 1 is characterized in that, described video image characteristic processing unit comprises:
Type of service perception unit is used to store the type of default business tine information and the adjusting information of corresponding video image characteristic thereof; Obtain the type information of the received business tine information of current video equipment, determine video image characteristic information corresponding with it according to the type information; Give described video image characteristic regulon with feedback information.
6. video equipment as claimed in claim 5, it is characterized in that, described video image characteristic regulon receives the information from described type of service perception unit, determine video image characteristic adjusting information, according to this adjusting information the vedio data of described business tine information correspondence is regulated, perhaps, display circuit is regulated.
7. video equipment as claimed in claim 1 is characterized in that, described video image characteristic processing unit is: video image statistics of features unit comprises:
Memory cell is used to store default reference video image characteristic information;
The statistical computation unit is used for vedio data is added up, and reference video image characteristic information default in statistics and the described memory cell is compared, and result is fed back to described video image characteristic regulon.
8. video equipment as claimed in claim 7, it is characterized in that, described video image characteristic regulon, reception is from the information of described statistical computation unit, determine video image characteristic adjusting information, the vedio data of described business tine information correspondence is regulated according to this adjusting information.
9. as each described video equipment of claim 1～8, it is characterized in that the type of this video equipment comprises: the display terminal of set-top box, integrated set-top box function, home media equipment, television set, computer display terminal, video eyeglasses, mobile communication terminal, mobile digital amusement equipment.
10. a method of regulating the video image characteristic is characterized in that, is applied to video equipment, comprising:
Reception is from the business tine information of network side;
Obtain the element information that the video image characteristic is exerted an influence, described element information is handled, determine adjusting information;
According to described adjusting information, the vedio data of described business tine information correspondence is regulated, perhaps, display circuit is regulated.
11. the described method of claim 10 is characterized in that, the described element information that the video image characteristic is exerted an influence that obtains is handled described element information, determines that adjusting information comprises: the light of measuring user's environment of living in; Handle calculating according to default ambient brightness and the corresponding picture characteristics reference information thereof stored on described measurement result, the video equipment, determine adjusting information ambient light.
12. as method as described in the claim 10, it is characterized in that, the described element information that the video image characteristic is exerted an influence that obtains, described element information is handled, determine that adjusting information comprises: the type information that obtains the received business tine information of current video equipment, according to the type information and the information that is stored in the default video image characteristic corresponding of storing on this video equipment, determine adjusting information with it.
13. as method as described in the claim 10, it is characterized in that, the described element information that the video image characteristic is exerted an influence that obtains, described element information is handled, determine that adjusting information comprises: the former data of video image are added up, obtain statistics,, determine adjusting information according to the default reference video image characteristic information of storing on described statistics and this video equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100738241A CN101035224A (en) | 2007-04-09 | 2007-04-09 | Video device and method for adjusting the characteristic of the video image |
| PCT/CN2007/071346 WO2008122184A1 (en) | 2007-04-09 | 2007-12-27 | Video device and method for adjusting the video image characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100738241A CN101035224A (en) | 2007-04-09 | 2007-04-09 | Video device and method for adjusting the characteristic of the video image |
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| CN101035224A true CN101035224A (en) | 2007-09-12 |
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| CNA2007100738241A Pending CN101035224A (en) | 2007-04-09 | 2007-04-09 | Video device and method for adjusting the characteristic of the video image |
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| CN (1) | CN101035224A (en) |
| WO (1) | WO2008122184A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008122184A1 (en) * | 2007-04-09 | 2008-10-16 | Huawei Technologies Co., Ltd. | Video device and method for adjusting the video image characteristics |
| CN102056368A (en) * | 2009-10-28 | 2011-05-11 | 华为终端有限公司 | Method and device for controlling meeting place environment in video communication |
| CN103686350A (en) * | 2013-12-27 | 2014-03-26 | 乐视致新电子科技（天津）有限公司 | Image quality adjustment method and system |
| CN105898485A (en) * | 2016-03-30 | 2016-08-24 | 苏州合欣美电子科技有限公司 | Player capable of adaptively adjusting playing brightness |
| WO2022135488A1 (en) * | 2020-12-22 | 2022-06-30 | 瑞芯微电子股份有限公司 | Eye protection method, paper-like display method, device, and computer-readable storage medium |
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| CN114371825B (en) * | 2022-01-08 | 2022-12-13 | 北京布局未来教育科技有限公司 | Remote education service system based on Internet |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1845596A (en) * | 2005-04-06 | 2006-10-11 | 上海迪比特实业有限公司 | Video transmission system and its method for self-adaptive adjusting video image |
| CN1777231A (en) * | 2005-12-09 | 2006-05-24 | 上海广电（集团）有限公司中央研究院 | Media playing set top box |
| CN101035224A (en) * | 2007-04-09 | 2007-09-12 | 华为技术有限公司 | Video device and method for adjusting the characteristic of the video image |
-
2007
- 2007-04-09 CN CNA2007100738241A patent/CN101035224A/en active Pending
- 2007-12-27 WO PCT/CN2007/071346 patent/WO2008122184A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008122184A1 (en) * | 2007-04-09 | 2008-10-16 | Huawei Technologies Co., Ltd. | Video device and method for adjusting the video image characteristics |
| CN102056368A (en) * | 2009-10-28 | 2011-05-11 | 华为终端有限公司 | Method and device for controlling meeting place environment in video communication |
| CN102056368B (en) * | 2009-10-28 | 2013-08-07 | 华为终端有限公司 | Method and device for controlling meeting place environment in video communication |
| US8866875B2 (en) | 2009-10-28 | 2014-10-21 | Huawei Device Co., Ltd. | Method and apparatus for controlling a conference place environment in video communication |
| CN103686350A (en) * | 2013-12-27 | 2014-03-26 | 乐视致新电子科技（天津）有限公司 | Image quality adjustment method and system |
| CN105898485A (en) * | 2016-03-30 | 2016-08-24 | 苏州合欣美电子科技有限公司 | Player capable of adaptively adjusting playing brightness |
| WO2022135488A1 (en) * | 2020-12-22 | 2022-06-30 | 瑞芯微电子股份有限公司 | Eye protection method, paper-like display method, device, and computer-readable storage medium |
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