CN105630143A - Screen display adjusting method and device - Google Patents
Screen display adjusting method and device Download PDFInfo
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- CN105630143A CN105630143A CN201410658437.4A CN201410658437A CN105630143A CN 105630143 A CN105630143 A CN 105630143A CN 201410658437 A CN201410658437 A CN 201410658437A CN 105630143 A CN105630143 A CN 105630143A
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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
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Abstract
The invention discloses a screen display adjusting method and device. The method comprises following steps of judging whether a screen is in a working state or not; if the screen is in the working state, starting a front-mounted camera to capture an image; when it is judged that a face is in the captured image, obtaining the facial feature distance numerical value in the image; and when it is judged that the facial feature distance numerical value is more than or equal to a preset maximum threshold value, reducing the brightness and/or transparency of the screen. Through adoption of the scheme provided by the invention, the brightness and/or transparency of the screen is adjusted according to the facial feature distance numerical value; the screen display is adjusted automatically and timely; the distance between the face and the screen is directly reflected by the facial feature distance numerical value, therefore, the habit of a user is unconsciously influenced by the scheme of the invention; and the eyesight of the user is protected.
Description
Technical field
The present invention relates to mobile terminal technology, espespecially a kind of adjust the method and apparatus that screen shows.
Background technology
Mobile terminal (such as smart mobile phone) is more and more fashionable in our life, and amusement function abundant due to it and easy occupation mode are more affected by many teen-age liking. But, even adult, after long incorrect mode uses continuously, vision also declines to some extent. And teen-age vision is in unformed period, after long incorrect mode uses continuously, visual deterioration or become the secret worry that pseudomyopia has become increasing. And teenager ability of self control is low, as do not guided, long incorrect occupation mode will form the habit.
The visual deterioration caused to prevent user from using mobile terminal for a long time, existing method generally comprises:
Front panel at electronic equipment sets front-facing camera and range sensor, detects display screen duty, and when display screen activates, backstage starts front-facing camera, catches facial image; Utilize face recognition technology that facial image is identified, catch front face; When system judges to catch there is front face in image, range sensor is opened on backstage, measures the distance of user face and display screen; Relatively measure distance and default reference distance, and judge whether the distance that prompting user adjusts between eyes and display screen accordingly.
In existing method; although giving the prompting that user is certain; and owing to user may not necessarily adjust the distance between eyes and display screen according to information district; thus the protection to user's vision cannot effectively be realized; and the method needs the cooperation of range sensor; electronic equipment for being not provided with range sensor then cannot use so that the use of the method is restricted.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes and a kind of adjusts the method and apparatus that screen shows, it is possible to automatically, in time to the display mode of screen be adjusted.
In order to achieve the above object, the present invention proposes and a kind of adjusts the method that screen shows, including:
Judge that whether screen is in running order, if it is, start front-facing camera to catch image;
When judging the image caught exists face, obtain the facial characteristics distance values in image;
When judging facial characteristics distance values more than or equal to the most high threshold pre-set, lower brightness and/or the transparency of screen.
Preferably, when judging that described screen is in off working state, or when being absent from face in the image caught described in judging, the method also includes:
The described step judging that whether screen is in running order is continued executing with after Preset Time.
Preferably, when judging described facial characteristics distance values less than or equal to the lowest threshold pre-set, the method also includes:
It is original intensity by the brightness adjustment of described screen, the transparency of described screen is adjusted to maximum transparency, and after Preset Time, continues executing with the described step judging that whether screen is in running order.
Preferably, when judging that described facial characteristics distance values is more than described lowest threshold and less than described most high threshold, the method also includes:
Preserve current facial characteristics distance values, it is judged that the facial characteristics distance values that described current facial characteristics distance values preserved more than or equal to the last time, lower brightness and/or the transparency of described screen.
Preferably, when judge described current facial characteristics distance values less than described last preserve facial characteristics distance values time, the method also includes:
Raise brightness and/or the transparency of described screen.
Preferably, the method also includes:
The line duration of statistics face, when judging that the line duration of described face is more than or equal to predetermined threshold value, lowers brightness and/or the transparency of described screen.
The invention allows for and a kind of adjust the device that screen shows, at least include:
Judge module, is used for judging that whether screen is in running order; Judge whether the image caught exists face; Judge that whether facial characteristics distance values is more than the most high threshold pre-set;
Trapping module, for when judge module judges that screen is in running order, starting front-facing camera and catch image;
Acquisition module, for when judge module judges there is face in the image caught, obtaining the facial characteristics distance values in image;
Adjusting module, for when judge module judges facial characteristics distance values more than or equal to most high threshold, lowering brightness and/or the transparency of screen.
Preferably, described judge module is additionally operable to:
Judge that described screen is in off working state, or the image caught described in judging is absent from face, after Preset Time, continue executing with the described step judging that whether screen is in running order.
Preferably, described adjusting module is additionally operable to:
When described judge module judges described facial characteristics distance values less than or equal to the lowest threshold pre-set, it is original intensity by the brightness adjustment of described screen, the transparency of described screen is adjusted to maximum transparency;
Described judge module is additionally operable to:
The described step judging that whether screen is in running order is continued executing with after Preset Time.
Preferably, described adjusting module is additionally operable to:
When described judge module judges that described facial characteristics distance values is more than described lowest threshold and less than described most high threshold, preserve current facial characteristics distance values, described judge module judge described current facial characteristics distance values more than or equal on once preserve facial characteristics distance values time, lower brightness and/or the transparency of described screen;
Described judge module is additionally operable to:
Judge that described current facial characteristics distance values is whether more than the facial characteristics distance values that the last time preserves.
Preferably, described adjusting module is additionally operable to:
When described judge module judges described current facial characteristics distance values less than the facial characteristics distance values once preserved on described, raise brightness and/or the transparency of described screen.
Preferably, described judge module is additionally operable to:
The line duration of statistics face, it is judged that whether the line duration of described face is more than predetermined threshold value;
Described adjusting module is additionally operable to:
When described judge module judges the line duration of described face more than or equal to predetermined threshold value, lower brightness and/or the transparency of described screen.
Compared with prior art, the present invention includes: judge that whether screen is in running order, if it is, start front-facing camera to catch image; When judging the image caught exists face, obtain the facial characteristics distance values in image; When judging facial characteristics distance values more than or equal to the most high threshold pre-set, lower brightness and/or the transparency of screen. Pass through the solution of the present invention; brightness and/or the transparency of screen is adjusted according to facial characteristics distance values; achieve and show automatically, in time to screen and be adjusted; owing to facial characteristics distance values reflects the distance between face and screen indirectly; therefore the solution of the present invention have impact on the custom of user subtlely, protects the vision of user.
Accompanying drawing explanation
Below the accompanying drawing in the embodiment of the present invention being illustrated, the accompanying drawing in embodiment is for a further understanding of the present invention, is used for explaining the present invention, is not intended that limiting the scope of the invention together with description.
Fig. 1 is the flow chart adjusting the method that screen shows of the present invention;
Fig. 2 is the flow chart of the specific embodiment adjusting the method that screen shows of the present invention;
Fig. 3 is the structure composition schematic diagram adjusting the device that screen shows of the present invention.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with accompanying drawing, the invention will be further described, can not be used for limiting the scope of the invention. It should be noted that when not conflicting, the embodiment in the application and the various modes in embodiment can be mutually combined.
Referring to Fig. 1, the present invention proposes and a kind of adjusts the method that screen shows, including:
Step 100, judge that whether screen is in running order, if it is, start front-facing camera to catch image.
In this step, when judging that screen is in off working state (such as resting state, or screen lock state etc.), after Preset Time, continue executing with the step judging that whether screen is in running order.
In this step, it is judged that the whether in running order known general knowledge belonging to those skilled in the art of screen, the protection domain being not intended to limit the present invention, repeat no more here.
Step 101, when judging the image caught exists face, obtain the facial characteristics distance values in image.
In this step, it is possible to adopt face recognition technology that the image caught is identified, existing various face identification method specifically can be adopted to realize, the protection domain being not intended to limit the present invention, repeat no more here.
In this step, when judging the image caught is absent from face, after Preset Time, continue executing with the step judging that whether screen is in running order.
In this step, facial characteristics distance values can be two distance values.
Step 102, when judging facial characteristics distance values more than or equal to the most high threshold pre-set, lower brightness and/or the transparency of screen.
In this step, when judging facial characteristics distance values less than or equal to the lowest threshold pre-set, it is original intensity by the brightness adjustment of screen, the transparency of screen is adjusted to maximum transparency, and after Preset Time, continues executing with the step judging that whether screen is in running order.
Wherein, original intensity can be the brightness before adopting the method that the brightness of screen is adjusted.
In this step, when judging that facial characteristics distance values is more than lowest threshold and less than most high threshold, preserve current facial characteristics distance values, judge the facial characteristics distance values that current facial characteristics distance values preserved more than or equal to the last time, lower brightness and/or the transparency of screen.
Wherein, when judging the facial characteristics distance values that current facial characteristics distance values preserved less than the last time, raise brightness and/or the transparency of screen.
In this step, raise or lower the first preset ratio (such as 10%) that the amplitude of brightness of screen can be the high-high brightness of screen, raise or lower the amplitude of the transparency of screen can be screen high-high brightness the second preset ratio (such as 10%).
Wherein it is possible to raise or lower the transparency of screen by creating the method for obscuring layer window on Z-order top layer. When first time interpretation goes out the transparency needing to adjust screen, create obscuring layer window at Z-order top layer, just can adjust the transparency of screen by changing the transparency of obscuring layer window. When the transparency of screen is adjusted to maximum transparency, it is possible to remove obscuring layer window.
In this step, lowest threshold or most high threshold can obtain by user carries out study, namely within a period of time, repeatedly obtain the facial characteristics distance values of user, thus obtaining the scattergram of facial characteristics distance values, numeric distribution in scattergram can be obtained and compare the interval of concentration, so can take lowest threshold and compare the interval minima of concentration more than numeric distribution, most high threshold more than numeric distribution compare concentration interval maximum. This process can carry out when each screen is converted to duty from off working state.
The method of the present invention can also include:
The line duration of statistics face, when judging that the line duration of face is more than or equal to predetermined threshold value, lowers brightness and/or the transparency of screen.
Wherein, namely behaving in the first time of face sees the persistent period of screen.
Pass through the solution of the present invention, front-facing camera generally it is equipped with due to mobile terminal, and user is inevitable in the face of the screen of mobile terminal when using mobile terminal, can being captured face head portrait by front-facing camera, the user's face image information obtained by recognition of face adjusts screen display brightness and transparency. Judge when the distance between user's face and screen is increasingly nearer and user's face is after screen a period of time, namely adjust screen and constantly reduce display brightness and transparency, order about user's subconsciousness moving-head away from screen, to be maintained at vision position the most clearly (being similar to hypermetropia effect).
Because facial characteristics distance values (such as two distance values) is constant relative to everyone, and to everybody without departing from certain normal range, and when object distance camera lens is nearer, in photo, the object of shooting seems bigger, when an article size is constant, distance (the problem being likely to be due to deflection for the face photographed and producing error being sized to indirectly reflect object with camera lens of object in photo, the present invention takes 3, two+lip is triangle to be analyzed, if face has deflection, then we can obtain the length on three limits of triangle and compensate calculating with the size at three angles according to characteristic and the projection of isosceles triangle), accordingly, the critical region between facial characteristics distance values lowest threshold and most high threshold can be preset, this critical region is the region of the effective browse screen content of user. to the collection of user's face characteristic distance data and study in a period of time after starting to activate by screen, obtain numeric distribution figure, and therefrom obtain the interval of value set distribution, this interval is carried out slight adjustment downwards, in the time below, namely limit user and be maintained at this interval and following, otherwise adjust screen and constantly reduce display brightness and fuzziness, order about user's subconsciousness moving-head away from screen, so that obtaining up-to-date numerical value to return to this interval. this and user's use habit are also identical, and user is not that off screen curtain is close initial time, but in use becomes closer to screen. and the use habit of user is also a progressive forming process, settling one distance of formulation by force simple and crudely at one go and user only can be allowed to be far from suitable, the subtle user of allowing slowly pulls open a suitable segment distance and is only optimum selection with screen. it addition, user's face makes user's subconsciousness moving-head be also beneficial to strengthen this custom away from screen in the face of screen a period of time rear-guard, and be conducive to alleviating eye strain, it is achieved the protection to eyes.
Below by the method that specific embodiment describes the present invention in detail. Referring to Fig. 2, the method includes:
Step 200, judge that whether screen is in running order at set intervals, when screen is converted to duty by off working state, enters " collection of data and study stage ", perform step 201, if screen is not be converted to duty by off working state, then process ends.
Step 201, backstage start front-facing camera, catch image.
Step 202, the image caught is analyzed, utilize face recognition technology that facial image is identified, when catch there is face in image time, record two distance values (or other facial characteristics distance values) in present image and be saved in historical values list; When catch image is absent from face time, process ends.
Step 203, the historical values that a period of time poll obtains is set up numeric distribution figure.
When step 204, " collection of data and study stage " complete, obtain the interval of value set distribution, carry out this interval slightly adjusting downwards.
Step 205, " collection of data and study stage " formally enter sight protectio duty after completing.
Step 206, judge that whether screen is in running order, if it is, perform step 207, if it is not, then perform step 206 after Preset Time.
Step 207, backstage start front-facing camera and catch image, it is judged that whether there is face in the image caught, if it is present perform step 208, if it does not exist, then perform step 206 after Preset Time.
Step 208, using the image caught as current data, current data is compared with the interval upper limit, if current data is bigger than the interval upper limit, then execution step 209, if current data is less than the interval upper limit, then execution step 210.
Step 209, user distance screen exceed Health distance, so it is dimmed to arrange screen intensity, if and do not create obscuring layer window and cover Z-order top layer, then create obscuring layer window and cover Z-order top layer, obscuring layer window transparency is set and reduces.
Step 210, current data and interval limit are compared, if current data is less than interval limit, then perform step 211, if current data is bigger than interval limit, then perform step 212.
Step 211, it is original intensity by the brightness adjustment of screen, the transparency of screen is adjusted to maximum transparency.
Step 212, current data is compared with a upper historical values, if current data is bigger than a upper historical values, then perform step 213, if current data is less than a upper historical values, then perform step 214.
Step 213, user distance screen are increasingly nearer and exceed Health distance, so it is dimmed to arrange screen intensity, if and do not create obscuring layer window and cover Z-order top layer, then create obscuring layer window and cover Z-order top layer, obscuring layer window transparency is set and reduces.
Step 214, user are just tending away from screen, need to carry out positive incentive, brighten so arranging screen intensity, arrange obscuring layer window transparency be increased up current data than interval limit will little time, at this moment user's just browse screen in Health distance, it is made without punishment, namely reduces screen intensity, remove obscuring layer window.
Referring to Fig. 3, the invention allows for and a kind of adjust the device that screen shows, at least include:
Judge module, is used for judging that whether screen is in running order; Judge whether the image caught exists face; Judge that whether facial characteristics distance values is more than the most high threshold pre-set;
Trapping module, for when judge module judges that screen is in running order, starting front-facing camera and catch image;
Acquisition module, for when judge module judges there is face in the image caught, obtaining the facial characteristics distance values in image;
Adjusting module, for when judge module judges facial characteristics distance values more than or equal to most high threshold, lowering brightness and/or the transparency of screen.
In assembly of the invention, it is judged that module is additionally operable to:
Judge that screen is in off working state, or judge the image caught is absent from face, after Preset Time, continue executing with the step judging that whether screen is in running order.
In assembly of the invention, adjusting module is additionally operable to:
When judge module judges facial characteristics distance values less than or equal to the lowest threshold pre-set, it is original intensity by the brightness adjustment of screen, the transparency of screen is adjusted to maximum transparency;
Judge module is additionally operable to:
The step judging that whether screen is in running order is continued executing with after Preset Time.
In assembly of the invention, adjusting module is additionally operable to:
When judge module judges that facial characteristics distance values is more than lowest threshold and less than most high threshold, preserve current facial characteristics distance values, judge module judge current facial characteristics distance values more than or equal on once preserve facial characteristics distance values time, lower the brightness of screen and/or transparency;
Judge module is additionally operable to:
Judge that current facial characteristics distance values is whether more than the facial characteristics distance values that the last time preserves.
In assembly of the invention, adjusting module is additionally operable to:
Judge module judge current facial characteristics distance values less than on once preserve facial characteristics distance values time, raise the brightness of screen and/or transparency.
In assembly of the invention, it is judged that module is additionally operable to:
The line duration of statistics face, it is judged that whether the line duration of face is more than predetermined threshold value;
Adjusting module is additionally operable to:
When judge module judges the line duration of face more than or equal to predetermined threshold value, lower brightness and/or the transparency of screen.
It should be noted that; embodiment described above is for only for ease of those skilled in the art and understands; it is not limited to protection scope of the present invention; under the premise without departing from the inventive concept of the present invention, those skilled in the art to the made any apparent replacement and improvement etc. of the present invention all within protection scope of the present invention.
Claims (12)
1. one kind adjusts the method that screen shows, it is characterised in that including:
Judge that whether screen is in running order, if it is, start front-facing camera to catch image;
When judging the image caught exists face, obtain the facial characteristics distance values in image;
When judging facial characteristics distance values more than or equal to the most high threshold pre-set, lower brightness and/or the transparency of screen.
2. method according to claim 1, it is characterised in that when judging that described screen is in off working state, or when being absent from face in the image caught described in judging, the method also includes:
The described step judging that whether screen is in running order is continued executing with after Preset Time.
3. method according to claim 1, it is characterised in that when judging described facial characteristics distance values less than or equal to the lowest threshold pre-set, the method also includes:
It is original intensity by the brightness adjustment of described screen, the transparency of described screen is adjusted to maximum transparency, and after Preset Time, continues executing with the described step judging that whether screen is in running order.
4. method according to claim 3, it is characterised in that when judging that described facial characteristics distance values is more than described lowest threshold and less than described most high threshold, the method also includes:
Preserve current facial characteristics distance values, it is judged that the facial characteristics distance values that described current facial characteristics distance values preserved more than or equal to the last time, lower brightness and/or the transparency of described screen.
5. method according to claim 4, it is characterised in that when judge described current facial characteristics distance values less than described last preserve facial characteristics distance values time, the method also includes:
Raise brightness and/or the transparency of described screen.
6. the method according to Claims 1 to 5 any one, it is characterised in that the method also includes:
The line duration of statistics face, when judging that the line duration of described face is more than or equal to predetermined threshold value, lowers brightness and/or the transparency of described screen.
7. one kind adjusts the device that screen shows, it is characterised in that at least include:
Judge module, is used for judging that whether screen is in running order; Judge whether the image caught exists face; Judge that whether facial characteristics distance values is more than the most high threshold pre-set;
Trapping module, for when judge module judges that screen is in running order, starting front-facing camera and catch image;
Acquisition module, for when judge module judges there is face in the image caught, obtaining the facial characteristics distance values in image;
Adjusting module, for when judge module judges facial characteristics distance values more than or equal to most high threshold, lowering brightness and/or the transparency of screen.
8. device according to claim 7, it is characterised in that described judge module is additionally operable to:
Judge that described screen is in off working state, or the image caught described in judging is absent from face, after Preset Time, continue executing with the described step judging that whether screen is in running order.
9. device according to claim 7, it is characterised in that described adjusting module is additionally operable to:
When described judge module judges described facial characteristics distance values less than or equal to the lowest threshold pre-set, it is original intensity by the brightness adjustment of described screen, the transparency of described screen is adjusted to maximum transparency;
Described judge module is additionally operable to:
The described step judging that whether screen is in running order is continued executing with after Preset Time.
10. device according to claim 9, it is characterised in that described adjusting module is additionally operable to:
When described judge module judges that described facial characteristics distance values is more than described lowest threshold and less than described most high threshold, preserve current facial characteristics distance values, described judge module judge described current facial characteristics distance values more than or equal on once preserve facial characteristics distance values time, lower brightness and/or the transparency of described screen;
Described judge module is additionally operable to:
Judge that described current facial characteristics distance values is whether more than the facial characteristics distance values that the last time preserves.
11. device according to claim 10, it is characterised in that described adjusting module is additionally operable to:
When described judge module judges described current facial characteristics distance values less than the facial characteristics distance values once preserved on described, raise brightness and/or the transparency of described screen.
12. according to the device described in claim 7��11 any one, it is characterised in that described judge module is additionally operable to:
The line duration of statistics face, it is judged that whether the line duration of described face is more than predetermined threshold value;
Described adjusting module is additionally operable to:
When described judge module judges the line duration of described face more than or equal to predetermined threshold value, lower brightness and/or the transparency of described screen.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658437.4A CN105630143A (en) | 2014-11-18 | 2014-11-18 | Screen display adjusting method and device |
| PCT/CN2015/070876 WO2015184810A1 (en) | 2014-11-18 | 2015-01-16 | Method and device for adjusting screen display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658437.4A CN105630143A (en) | 2014-11-18 | 2014-11-18 | Screen display adjusting method and device |
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| CN105630143A true CN105630143A (en) | 2016-06-01 |
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| CN201410658437.4A Withdrawn CN105630143A (en) | 2014-11-18 | 2014-11-18 | Screen display adjusting method and device |
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| CN (1) | CN105630143A (en) |
| WO (1) | WO2015184810A1 (en) |
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| CN106933363A (en) * | 2017-03-14 | 2017-07-07 | 张志博 | A kind of intelligent apparatus and its intelligent control method of protection eyesight |
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| CN107679459A (en) * | 2017-09-07 | 2018-02-09 | 努比亚技术有限公司 | Light control method, mobile terminal and the computer-readable recording medium of iris recognition |
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| CN110310963A (en) * | 2018-03-27 | 2019-10-08 | 恒景科技股份有限公司 | The system for adjusting light source power |
| CN108681429A (en) * | 2018-05-14 | 2018-10-19 | 维沃移动通信有限公司 | A kind of bright screen control method and mobile terminal |
| CN110555873A (en) * | 2018-05-30 | 2019-12-10 | Oppo广东移动通信有限公司 | Control method, control device, terminal, computer device, and storage medium |
| CN111131598A (en) * | 2018-10-31 | 2020-05-08 | 阿里巴巴集团控股有限公司 | Method and device for adjusting running state of electronic equipment and electronic equipment |
| CN111258414B (en) * | 2018-11-30 | 2023-08-04 | 百度在线网络技术（北京）有限公司 | Method and device for adjusting screen |
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| CN109656371A (en) * | 2018-12-28 | 2019-04-19 | 努比亚技术有限公司 | Mobile terminal eye care method, device, mobile terminal and storage medium |
| CN110532750A (en) * | 2019-09-03 | 2019-12-03 | 南京信息职业技术学院 | System and method for preventing and controlling myopia of children based on 3D modeling technology of flight time method |
| WO2021237425A1 (en) * | 2020-05-25 | 2021-12-02 | 深圳传音控股股份有限公司 | Screen brightness adjustment method, terminal and storage medium |
| CN114187866A (en) * | 2021-11-26 | 2022-03-15 | 江门市浩远科技有限公司 | Mini-LED display control method and device based on deep learning |
| CN114187866B (en) * | 2021-11-26 | 2023-11-14 | 江门市浩远科技有限公司 | Deep learning-based mini-led display control method and device |
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| WO2015184810A1 (en) | 2015-12-10 |
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