CN101364265A - Method for auto configuring equipment parameter of electronic appliance and ccd camera - Google Patents
Method for auto configuring equipment parameter of electronic appliance and ccd camera Download PDFInfo
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- CN101364265A CN101364265A CNA2008102226045A CN200810222604A CN101364265A CN 101364265 A CN101364265 A CN 101364265A CN A2008102226045 A CNA2008102226045 A CN A2008102226045A CN 200810222604 A CN200810222604 A CN 200810222604A CN 101364265 A CN101364265 A CN 101364265A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000001815 facial effect Effects 0.000 claims description 56
- 230000008878 coupling Effects 0.000 claims description 30
- 238000010168 coupling process Methods 0.000 claims description 30
- 238000005859 coupling reaction Methods 0.000 claims description 30
- 238000000605 extraction Methods 0.000 claims description 16
- 238000009825 accumulation Methods 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 239000000284 extract Substances 0.000 claims description 7
- 238000004378 air conditioning Methods 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 5
- 230000006870 function Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000513 principal component analysis Methods 0.000 description 2
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Abstract
The invention provides a camera and a method for automatically setting equipment parameters of electronic equipment through the camera. The method comprises the following steps: video streams generated by the camera are detected, and a face image in the video streams is extracted; the latest extracted face image is used as the face image of a current user, and the face image of the current user is matched with the images in an image database; if the matched image is found in the database, the electronic equipment is led to call the equipment parameters corresponding to the matched image; if the matched image is not found in the database, the face image of the current user is stored to the database, and the equipment parameters corresponding to the face image of the current user are recorded. The camera and the method lead the set parameters which are set by a user to be converted to automatically when using the electronic equipment or the camera every time in the further after the user adjusts the equipment parameters and camera parameters initially.
Description
Technical field
The present invention relates to the camera technology, particularly relate to a kind of method and camera that disposes the device parameter of electronic equipment by camera automatically.
Background technology
Existing P C (PC) camera software generally all has an image parameter property control page, and the various parameter attributes relevant with image quality can be set, and the user can carry out the change of camera image parameter according to the personal like.
Sometimes, same camera may have a plurality of users, and for example there are three people in certain family, and a shared household PC certainly will shared same camera.And everyone may be inconsistent to the preference of camera picture, for example, it is lucid and lively that child may relatively prefer to tone, contrast is low, brightness is softer a little or the like, like this, and when whenever changing a people and come with camera, just have to readjust relevant setting, cumbersome.
In the process that realizes technical solution of the present invention, the discovery prior art will be distinguished the user of camera, generally be to pass through User login, password is set, the perhaps mode selected of user, and under many circumstances, home computer for example, generally can not land respectively and not distinguish the user yet, in this case if recover specific user's camera parameter setting, just need select and read, not only cumbersome, and user set parameter store name and situation of memory location before forgetting may take place, have to readjust and be provided with.
Therefore, how according to user's difference, adjusting the image parameter of camera automatically, make the user after adjusting primary parameter, all be transformed into this parameter of user automatically in the time of just can using camera afterwards at every turn, is the problem of a needs solution.
Summary of the invention
The purpose of the embodiment of the invention provides a kind of method and camera that disposes the device parameter of electronic equipment by camera automatically, make the user after adjusting primary equipment parameter or camera parameter, all be transformed into this user's setup parameter at every turn in the time of just can using electronic equipment or camera afterwards automatically, solve prior art and can not carry out the technical matters of conversion fully automatically.
To achieve these goals, on the one hand, provide a kind of and disposed the method for the device parameter of electronic equipment automatically, having comprised by camera:
Detect the video flowing that camera produced, extract the facial image in the described video flowing;
With the facial image of up-to-date extraction facial image, and described current user's facial image and the image in the image data base mated as current user;
If in described database, find the image of coupling, then make electronic equipment call the pairing device parameter of image of described coupling;
If do not find the image of coupling in described database, then the facial image with described current user stores in the described database, and writes down described current user's the pairing device parameter of facial image.
Preferably, in the above-mentioned method, also comprise,, then amended device parameter is recorded as described current user's the pairing device parameter of facial image if described current user revises device parameter.
Preferably, in the above-mentioned method, described electronic equipment is a televisor, and described device parameter comprises: brightness, contrast, color saturation, bass enhancing, surround sound and/or volume;
Perhaps, described electronic equipment is an air-conditioning, and described device parameter is a temperature and humidity;
Perhaps, described electronic equipment is an electric light, and described device parameter comprises: brightness, tone and/or soften;
Perhaps, described electronic equipment is described camera, and described device parameter comprises: brightness, contrast, tone, saturation degree, sharpness, gamma, white balance and/or backlight contrast.
Preferably, in the above-mentioned method, also record the accumulation duration that the pairing device parameter of every width of cloth image is adopted by described camera in the described database.
Preferably, in the above-mentioned method, if several people's faces are arranged in the facial image of described extraction, and the facial image of described extraction finds the image of a plurality of couplings in described database, then calls the pairing device parameter of image of accumulation duration maximum in the image of described a plurality of couplings.
Preferably, in the above-mentioned method, in the step of the video flowing that described detection camera is produced, described detection is to detect in real time according to the preset time frequency.
Preferably, in the above-mentioned method, the every width of cloth image in the described database all has user's sign of unique correspondence.
A kind of camera also is provided on the other hand, has comprised:
Database module is used for: memory image, and write down every width of cloth image corresponding equipment parameter;
The Detection and Extraction module is used for: detect the video flowing that camera produced, extract the facial image in the described video flowing;
Matching module is used for: with the facial image of the up-to-date extraction facial image as current user, and described current user's facial image and the image in the described database mated;
Calling module is used for: if find the image of coupling at described database, then make described electronic equipment call the pairing device parameter of image of described coupling;
Modified module is used for: if do not find the image of coupling at described database, then the facial image with described current user stores in the described database, and writes down described current user's the pairing device parameter of facial image.
Preferably, in the above-mentioned camera, described modified module also is used for: if described current user revises device parameter, then amended device parameter is recorded as described current user's the pairing device parameter of facial image.
Preferably, in the above-mentioned camera,
Described electronic equipment is a televisor, and described device parameter comprises: brightness, contrast, color saturation, bass enhancing, surround sound and/or volume;
Perhaps, described electronic equipment is an air-conditioning, and described device parameter is a temperature and humidity;
Perhaps, described electronic equipment is an electric light, and described device parameter comprises: brightness, tone and/or soften;
Perhaps, described electronic equipment is described camera, and described device parameter comprises: brightness, contrast, tone, saturation degree, sharpness, gamma, white balance and/or backlight contrast.
There is following technique effect at least in the embodiment of the invention:
1) embodiment of the invention can be adjusted the image parameter of camera automatically, the device parameter of the electronic equipment that also can adjust camera automatically and connected, make the user after adjusting primary parameter, all be transformed into this parameter of user in the time of just camera (electronic equipment) can being used at every turn afterwards automatically, do not landing respectively under the environment of also not distinguishing the user, can adjust automatically according to the face images of users that camera is taken, avoid the user to reselect the step of adjustment.
2) embodiment of the invention also writes down the accumulation duration that the pairing camera parameter of every width of cloth image is adopted by described camera, by described accumulation duration, can select automatically when several people's faces occurring in camera to distinguish.
Description of drawings
The flow chart of steps that Fig. 1 provides for the inventive method embodiment;
The camera structure figure that Fig. 2 provides for the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, specific embodiment is described in detail below in conjunction with accompanying drawing.
The embodiment of the invention increases face identification functions in the hardware of PC camera or software systems, preserve everyone use preference, warm tones/cool tone for example, settings such as color saturation, colour temperature, brightness, image definition, contrast; When changing another user next time, some of automatic switchover camera is provided with, and meets this user's preference.
And, after the camera and the electronic equipment (for example televisor, air-conditioning etc.) of the embodiment of the invention combined, also can adjust the device parameter of electronic equipment automatically by the face identification functions of camera.
The inventive method embodiment provides passes through the method that camera disposes the device parameter of electronic equipment automatically, comprises the steps:
1) detects the video flowing that camera produced, extract the facial image in the described video flowing;
2) mate with the facial image of up-to-date extraction facial image, and with described current user's facial image and the image in the image data base as current user;
3), then make electronic equipment call the pairing device parameter of image of described coupling if in described database, find the image of coupling;
4) if do not find the image of coupling in described database, then the facial image with described current user stores in the described database, and writes down described current user's the pairing device parameter of facial image.
Wherein, when described electronic equipment was televisor, described device parameter comprised: brightness, contrast, color saturation, bass enhancing, surround sound and/or volume;
When described electronic equipment was air-conditioning, described device parameter was a temperature and humidity;
When described electronic equipment was electric light, described device parameter comprised: brightness, tone and/or soften;
When described electronic equipment was described camera, described device parameter comprised: brightness, contrast, tone, saturation degree, sharpness, gamma, white balance and/or backlight contrast.
Certainly, electronic equipment can be a variety of household electrical appliance or the equipment of industrial product, enumerates no longer one by one at this.
Below, the situation when being described camera by being described in detail in described electronic equipment is elaborated.
The flow chart of steps that Fig. 1 provides for the inventive method embodiment, as shown in the figure, under the situation when described electronic equipment is described camera, the method that disposes the camera parameter automatically comprises:
Step 101 detects the video flowing that camera produced, and extracts the facial image in the described video flowing; Described detection is to detect in real time according to the preset time frequency.
Step 102 with the facial image of the up-to-date extraction facial image as current user, and is mated described current user's facial image and the image in the image data base;
Step 103 if find the image of coupling in described database, is then called the pairing camera parameter of image of described coupling;
Step 104, if do not find the image of coupling in described database, then the facial image with described current user stores in the described database, and writes down described current user's the pairing camera parameter of facial image.And, if described current user revises the camera parameter, the pairing camera parameter of facial image that is described current user then with amended camera reference record.
The inventive method embodiment is in the PC camera software, adds a face identification functions.The fundamental purpose of this function is the people who is used for discerning current use camera.Face recognition technology can adopt disclosed prior art, for example principal component analysis (PCA) method or the like.
When the PC camera dispatches from the factory, there is no any information in the database of this camera about people's face.When this camera was used for the first time, camera software detects people's face in the picture, just this people's face is discerned, and the face characteristic that identifies and the existing people's face in the database are mated.If find the people of coupling face is arranged in the database, then that the sign of this people's face is next as recognition result output.If find the people of coupling face is not arranged in the database, then this people's face is added in the database, and be that this people's face distributes a unique sign.
If certain user adjusts image parameter, then in database, in the unique identification corresponding, preserve the image parameter after adjusting with this user.
When in the future this user reuses camera,, analyze this user's unique identification, just in database, take out the image parameter of preserving in advance automatically then, and be configured to and make it in the camera to come into force through the recognition of face software of camera.Like this, this user just needn't reconfigure image parameter one time.
About the identification of facial image and the process of coupling, multiple algorithm known can be arranged, for example:
Recognizer (Feature-based recognition algorithms) based on human face characteristic point.
Recognizer (Appearance-based recognition algorithms) based on the view picture facial image.
Recognizer (Template-based recognition algorithms) based on template.
In addition, described camera parameter includes but not limited to: brightness, contrast, tone, saturation degree, sharpness, gamma, white balance and/or backlight contrast.
In addition, situation (for example mother has the relatives video calling of child with a distant place in arms) at two width of cloth people faces that may occur in the same camera, also record the accumulation duration that the pairing camera parameter of every width of cloth image is adopted by described camera in the described database of the inventive method embodiment, big more this user of explanation of accumulation duration uses camera of a specified duration more, this user is just important more, if several people's faces are arranged in the facial image of described extraction, and the facial image of described extraction finds the image of a plurality of couplings in described database, then calls the pairing camera parameter of image of accumulation duration maximum in the image of described a plurality of couplings.
Corresponding above method embodiment also provides a kind of embodiment of camera of the device parameter that can dispose electronic equipment automatically, as shown in Figure 2, comprising:
Detection and Extraction module 202 is used for: detect the video flowing that camera produced, extract the facial image in the described video flowing;
Calling module 204 is used for: if find the image of coupling at described database, then make electronic equipment call the pairing device parameter of image of described coupling;
As from the foregoing, the embodiment of the invention has following advantage:
1) embodiment of the invention can be adjusted the image parameter of camera automatically, the device parameter of the electronic equipment that also can adjust camera automatically and connected, make the user after adjusting primary parameter, all be transformed into this parameter of user in the time of just camera (electronic equipment) can being used at every turn afterwards automatically, do not landing respectively under the environment of also not distinguishing the user, can adjust automatically according to the face images of users that camera is taken, avoid the user to reselect the step of adjustment.
2) embodiment of the invention also writes down the accumulation duration that the pairing camera parameter of every width of cloth image is adopted by described camera, by described accumulation duration, can select automatically when several people's faces occurring in camera to distinguish.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. one kind is disposed the method for the device parameter of electronic equipment automatically by camera, it is characterized in that, comprising:
Detect the video flowing that camera produced, extract the facial image in the described video flowing;
With the facial image of up-to-date extraction facial image, and described current user's facial image and the image in the image data base mated as current user;
If in described database, find the image of coupling, then make electronic equipment call the pairing device parameter of image of described coupling;
If do not find the image of coupling in described database, then the facial image with described current user stores in the described database, and writes down described current user's the pairing device parameter of facial image.
2. method according to claim 1 is characterized in that, also comprises, if described current user revises device parameter, then amended device parameter is recorded as described current user's the pairing device parameter of facial image.
3. method according to claim 1 is characterized in that, described electronic equipment is a televisor, and described device parameter comprises: brightness, contrast, color saturation, bass enhancing, surround sound and/or volume;
Perhaps, described electronic equipment is an air-conditioning, and described device parameter is a temperature and humidity;
Perhaps, described electronic equipment is an electric light, and described device parameter comprises: brightness, tone and/or soften;
Perhaps, described electronic equipment is described camera, and described device parameter comprises: brightness, contrast, tone, saturation degree, sharpness, gamma, white balance and/or backlight contrast.
4. method according to claim 1 is characterized in that, also records the accumulation duration that the pairing device parameter of every width of cloth image is adopted by described camera in the described database.
5. method according to claim 4, it is characterized in that, if several people's faces are arranged in the facial image of described extraction, and the facial image of described extraction finds the image of a plurality of couplings in described database, then calls the pairing device parameter of image of accumulation duration maximum in the image of described a plurality of couplings.
6. method according to claim 1 is characterized in that, in the step of the video flowing that described detection camera is produced, described detection is to detect in real time according to the preset time frequency.
7. method according to claim 4 is characterized in that, the every width of cloth image in the described database all has user's sign of unique correspondence.
8. a camera is characterized in that, comprising:
Database module is used for: memory image, and write down every width of cloth image corresponding equipment parameter;
The Detection and Extraction module is used for: detect the video flowing that camera produced, extract the facial image in the described video flowing;
Matching module is used for: with the facial image of the up-to-date extraction facial image as current user, and described current user's facial image and the image in the described database mated;
Calling module is used for: if find the image of coupling at described database, then make described electronic equipment call the pairing device parameter of image of described coupling;
Modified module is used for: if do not find the image of coupling at described database, then the facial image with described current user stores in the described database, and writes down described current user's the pairing device parameter of facial image.
9. camera according to claim 8 is characterized in that, described modified module also is used for: if described current user revises device parameter, then amended device parameter is recorded as described current user's the pairing device parameter of facial image.
10. camera according to claim 8 is characterized in that,
Described electronic equipment is a televisor, and described device parameter comprises: brightness, contrast, color saturation, bass enhancing, surround sound and/or volume;
Perhaps, described electronic equipment is an air-conditioning, and described device parameter is a temperature and humidity;
Perhaps, described electronic equipment is an electric light, and described device parameter comprises: brightness, tone and/or soften;
Perhaps, described electronic equipment is described camera, and described device parameter comprises: brightness, contrast, tone, saturation degree, sharpness, gamma, white balance and/or backlight contrast.
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| CN 200810222604 CN101364265B (en) | 2008-09-18 | 2008-09-18 | Method for auto configuring equipment parameter of electronic appliance and camera |
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| CN101789029A (en) * | 2010-03-10 | 2010-07-28 | 深圳市茁壮网络股份有限公司 | Analysis method, device and database of video images |
| CN102647449A (en) * | 2012-03-20 | 2012-08-22 | 西安联客信息技术有限公司 | Intelligent shooting method and intelligent shooting device based on cloud service and mobile terminal |
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