CN105653032A - Display adjustment method and apparatus - Google Patents

Display adjustment method and apparatus Download PDF

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Publication number
CN105653032A
CN105653032A CN201511020684.2A CN201511020684A CN105653032A CN 105653032 A CN105653032 A CN 105653032A CN 201511020684 A CN201511020684 A CN 201511020684A CN 105653032 A CN105653032 A CN 105653032A
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display
correction
pixel quantity
facial image
display screen
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CN105653032B (en
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王百超
杨松
龙飞
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Beijing Xiaomi Technology Co Ltd
Xiaomi Inc
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Xiaomi Inc
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/80—Recognising image objects characterised by unique random patterns

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Image Processing (AREA)

Abstract

The invention relates to a display adjustment method and apparatus. The display adjustment method comprises the steps of obtaining a current human face image; performing human face posture analysis on the current human face image to obtain an included angle theta1 between a connecting line between two pupils in a human face during imaging and a plane on which a display screen is located; performing pupil image identification on the current human face image and obtaining a pixel quantity between two pupil images in the current human face image; according to the included angle theta1, correcting the pixel quantity; and according to the corrected pixel quantity, adjusting the display of the display screen. According to the method and apparatus, a display adjustment result of the display screen can better meet an actual demand of a user.

Description

Display adjusting method and device
Technical field
It relates to technique of display field, particularly relate to display adjusting method and display setting device.
Background technology
A large amount of along with the various terminating unit possessing display screen popularize, user get more and more by display screen obtaining information, such as, user can on the display screen of terminating unit reading electronic documents (such as e-novel, electronic material etc.), browse webpage, check image etc. And developing rapidly along with technique of display, the resolving power of display screen is more and more higher, and word or the image that can show are also more and more meticulousr.
But, for the terminating unit that display screen is less, although very meticulous image can be demonstrated, but when face's distance display screen of user is far away, word or image on display screen seem too little, user cannot see clearly, wants to see clearly, and user just needs the resolving power manually turning down display screen or tunes up word or image; And when the face of user is near display screen, word or image on display screen seem too big, user being made again to adapt to, user needs the resolving power manually heightening display screen or turns word or image down.
In technique scheme, the adjustment work of the displaying contents of display screen needs user manually to complete every time, it is necessary to user's direct intervention, and blocked operation mode is inconvenient, and Consumer's Experience is not good.
It should be noted that, in information disclosed in above-mentioned background technology segment only for strengthening the understanding to background of the present disclosure, therefore can comprise the information not formed prior art known to persons of ordinary skill in the art.
Summary of the invention
For some or all of problem of the prior art, the disclosure provides a kind of display adjusting method and display setting device.
Other characteristics of the present disclosure and advantage become obvious by by detailed description below, or the acquistion partially by practice of the present disclosure.
First aspect according to disclosure embodiment, it is provided that a kind of display adjusting method, comprising:
Obtain current facial image;
Described current facial image is carried out human face posture analysis, line between two pupils and the angle theta between a display screen place plane in face when obtaining imaging1;
Described current facial image is carried out pupil image identification, and obtains in described current facial image the pixel quantity between two pupil image;
According to described angle theta1Described pixel quantity is corrected;
According to the pixel quantity after correction, the display of described display screen is adjusted.
In the exemplary embodiment of one of the present disclosure, according to described angle theta1Described pixel quantity is carried out correction comprise:
According to formulaDescribed pixel quantity is carried out the first correction; Wherein, L0For carrying out the pixel quantity after the first correction, l0For carrying out the pixel quantity before the first correction.
In the exemplary embodiment of one of the present disclosure, according to described angle theta1Also comprise after described pixel quantity is carried out the first correction:
Pixel quantity after described first correction of described current facial image is carried out the 2nd correction; Wherein, described 2nd correction is carried out according to the pixel quantity after the described correction of current facial image adjacent frame facial image.
In the exemplary embodiment of one of the present disclosure, the pixel quantity after described first correction of current facial image is carried out second revisal and just comprises:
According to formulaPixel quantity after described first correction of current facial image is carried out the 2nd correction; Wherein, L 'iTo L 'NIt is respectively the pixel quantity after the described correction of current facial image adjacent N frame facial image.
In the exemplary embodiment of one of the present disclosure, according to the pixel quantity after correction, the display of described display screen is carried out adjustment and comprises:
The display parameter corresponding with the pixel quantity after described correction are obtained according to the pixel quantity after described correction;
According to described display parameter, the display of described display screen is adjusted.
In the exemplary embodiment of one of the present disclosure, described display adjusting method also comprises:
Judge whether the pixel quantity after described correction is less than presetted pixel quantity; And,
Pixel quantity after judging described correction generates an information when being less than presetted pixel quantity.
In the exemplary embodiment of one of the present disclosure, described acquisition display parameter corresponding with the pixel quantity after described correction comprise:
From the pixel quantity prestored and display parameter corresponding relation data, inquire about the display parameter that the pixel quantity after described correction is corresponding.
In the exemplary embodiment of one of the present disclosure, according to the pixel quantity after correction, the display of described display screen is carried out adjustment and comprises:
Range information between people's eye and described display screen in face when being calculated to be picture according to the pixel quantity after described correction;
The display parameter corresponding with described range information are obtained according to described range information;
According to described display parameter, the display of described display screen is adjusted.
In the exemplary embodiment of one of the present disclosure, described display adjusting method also comprises:
Judge whether described range information is less than predeterminable range; And,
Judging that described range information generates an information when being less than described predeterminable range.
In the exemplary embodiment of one of the present disclosure, described acquisition display parameter corresponding with described range information comprise:
From the people's eye distance prestored with display parameter corresponding relation data, inquire about the display parameter that described range information is corresponding.
In the exemplary embodiment of one of the present disclosure, described display parameter comprise resolving power and/or display element size.
In the exemplary embodiment of one of the present disclosure, described display adjusting method also comprises:
Described current facial image is carried out human face posture analysis, the angle theta of face place plane and described display screen place plane when obtaining imaging2; And,
According to described angle theta2The display of described display screen is adjusted.
Second aspect according to disclosure embodiment, it is provided that a kind of display setting device, comprising:
Image collection module, is configured to obtain current facial image;
Posture analysis module, the current facial image being configured to described image collection module be obtained carries out human face posture analysis, line between two pupils and the angle theta between a display screen place plane in face when obtaining imaging1;
Pupil identification module, the current facial image being configured to described image collection module be obtained carries out pupil image identification, and obtains in described current facial image the pixel quantity between two pupil image;
Correction module, is configured to according to the angle theta that described posture analysis module obtains1The pixel quantity that described pupil identification module obtains is carried out the first correction;
Display adjusting module, is configured to the pixel quantity after according to the correction of described correction module and the display of described display screen is adjusted.
In the exemplary embodiment of one of the present disclosure, described correction module comprises:
According to formulaDescribed pixel quantity is carried out the first correction; Wherein, L0For carrying out the pixel quantity after the first correction, l0For carrying out the pixel quantity before the first correction.
In the exemplary embodiment of one of the present disclosure, display setting device also comprises:
2nd correcting unit, is configured to the pixel quantity after described first correction of described current facial image is carried out the 2nd correction; Wherein, described 2nd correction is carried out according to the pixel quantity after the described correction of current facial image adjacent frame facial image.
In the exemplary embodiment of one of the present disclosure, the pixel quantity after described first correction of current facial image is carried out second revisal and just comprises:
According to formulaPixel quantity after described first correction of current facial image is carried out the 2nd correction; Wherein, L 'iTo L 'NIt is respectively the pixel quantity after the described correction of current facial image adjacent N frame facial image.
In the exemplary embodiment of one of the present disclosure, described display adjusting module comprises:
Parameter acquiring unit, is configured to the pixel quantity after according to described correction and obtains the display parameter corresponding with the pixel quantity after described correction;
Display adjustment unit, is configured to the display of described display screen be adjusted according to described display parameter.
In the exemplary embodiment of one of the present disclosure, described acquisition display parameter corresponding with the pixel quantity after described correction comprise:
From the pixel quantity prestored and display parameter corresponding relation data, inquire about the display parameter that the pixel quantity after described correction is corresponding.
In the exemplary embodiment of one of the present disclosure, described display setting device also comprises:
Reminding module, is configured to whether the pixel quantity after judging the correction of described correction module is less than presetted pixel quantity, and generates an information when pixel quantity after judging described correction is less than presetted pixel quantity.
In the exemplary embodiment of one of the present disclosure, according to the pixel quantity after correction, the display of described display screen is carried out adjustment and comprises:
Metrics calculation unit, the range information being configured to when the pixel quantity after according to described correction is calculated to be picture in face between people's eye and described display screen;
Parameter acquiring unit, is configured to obtain the display parameter corresponding with described range information according to described range information;
Display adjustment unit, is configured to the display of described display screen be adjusted according to described display parameter.
In the exemplary embodiment of one of the present disclosure, described display setting device also comprises:
Reminding module, is configured to judge whether the range information that described metrics calculation unit calculates is less than predeterminable range, and, judging that described range information generates an information when being less than described predeterminable range.
In the exemplary embodiment of one of the present disclosure, described acquisition display parameter corresponding with described range information comprise:
From the people's eye distance prestored with display parameter corresponding relation data, inquire about the display parameter that described range information is corresponding.
In the exemplary embodiment of one of the present disclosure, described display parameter comprise resolving power and/or display element size.
In the exemplary embodiment of one of the present disclosure, wherein:
Described posture analysis module is also configured to, and described current facial image is carried out human face posture analysis, the angle theta of face place plane and described display screen place plane when obtaining imaging2; And,
Described display adjusting module is also configured to, according to described angle theta2The display of described display screen is adjusted.
The third aspect according to disclosure embodiment, it is provided that a kind of display setting device, comprising:
Treater; And
Storer, for storing the performed instruction of described treater;
Wherein said treater is configured to perform instruction to perform following operation described in performing:
Obtain current facial image;
Described current facial image is carried out human face posture analysis, line between two pupils and the angle theta between a display screen place plane in face when obtaining imaging1;
Described current facial image is carried out pupil image identification, and obtains in described current facial image the pixel quantity between two pupil image;
According to described angle theta1Described pixel quantity is corrected;
According to the pixel quantity after correction, the display of described display screen is adjusted.
The technical scheme that embodiment of the present disclosure provides can comprise following useful effect:
In a kind of embodiment of the present disclosure, by above-mentioned display adjusting method and device, on the one hand, the pixel quantity corresponding with interpupillary distance can be obtained, and then automatically the display of display screen can be adjusted according to this pixel quantity, reduce or exempt the manual operation that user adjusts displaying contents, and then Consumer's Experience can be promoted; On the other hand, it is possible to obtain pixel quantity corresponding with interpupillary distance more accurately in conjunction with human face posture, therefore the adjustment result of the display of display screen can be met more the actual demand of user.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing herein is by being incorporated in specification sheets and forms the part of this specification sheets, shows and meets embodiment of the present disclosure, and is used from specification sheets one and explains principle of the present disclosure. It is appreciated that the accompanying drawing in the following describes is only embodiments more of the present disclosure, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 schematically shows the schema of a kind of display adjusting method in the exemplary embodiment of the disclosure;
Fig. 2 schematically shows a kind of facial image schematic diagram in the exemplary embodiment of the disclosure;
Fig. 3 schematically shows a kind of facial image schematic diagram in the exemplary embodiment of the disclosure;
Fig. 4 schematically shows the schema of a kind of display adjusting method in the exemplary embodiment of the disclosure;
Fig. 5 schematically shows a kind of schema of step S15 in the exemplary embodiment of the disclosure;
Fig. 6 schematically shows the schema of a kind of display adjusting method in the exemplary embodiment of the disclosure;
Fig. 7 schematically shows a kind of facial image schematic diagram in the exemplary embodiment of the disclosure;
Fig. 8 schematically shows a kind of block diagram showing setting device in the exemplary embodiment of the disclosure;
Fig. 9 schematically shows a kind of block diagram showing setting device in the exemplary embodiment of the disclosure;
Figure 10 schematically shows a kind of block diagram showing adjusting module in the exemplary embodiment of the disclosure;
Figure 11 schematically shows a kind of block diagram showing adjusting module in the exemplary embodiment of the disclosure;
Figure 12 schematically shows a kind of block diagram showing setting device in the exemplary embodiment of the disclosure;
Figure 13 schematically shows a kind of block diagram showing setting device in the exemplary embodiment of the disclosure.
Embodiment
Referring now to accompanying drawing, example embodiment is more fully described. But, example embodiment can be implemented in a variety of forms, and should not be understood to be limited to example set forth herein; On the contrary, it is provided that these enforcement modes make the disclosure more comprehensively with complete, and will pass on the design of example embodiment to the technician of this area comprehensively. Described feature, structure or characteristic can be combined in one or more enforcement mode in any suitable manner.
In addition, accompanying drawing is only schematic illustrations of the present disclosure, and not necessarily is drawn in proportion. Reference numeral identical in figure represents same or similar part, thus by omit to they repeat describe. Some skeleton diagrams shown in accompanying drawing are function entities, not necessarily must be corresponding with physics or entity independent in logic. Software form can be adopted to realize these function entities, or in one or more hardware module or unicircuit, realize these function entities, or in heterogeneous networks and/or processor device and/or microcontroller device, realize these function entities.
This example embodiment provide firstly a kind of display adjusting method, this display adjusting method can be applied to the terminating unit that possesses display screen, can be such as the mobile terminals such as mobile phone, personal digital assistant, notebook computer, panel computer, intelligent watch, it is also possible to be the non-moving terminal such as desktop computer, intelligent television. Shown in figure 1, display adjusting method can comprise step S11��S15. Wherein:
Step S11. obtains current facial image.
Current facial image is carried out human face posture analysis by step S12., line between two pupils and the angle theta between a display screen place plane in face when obtaining imaging1��
The pixel quantity that current facial image is carried out pupil image identification and obtains in current facial image between two pupil image by step S13..
Step S14. is according to angle theta1Pixel quantity is corrected.
The display of display screen is adjusted by step S15. according to the pixel quantity after correction.
By above-mentioned display adjusting method, on the one hand, it is possible to obtain the pixel quantity corresponding with interpupillary distance, and then automatically the display of display screen can be adjusted according to this pixel quantity, reduce or exempt the manual operation that user adjusts displaying contents, and then Consumer's Experience can be promoted; On the other hand, it is possible to obtain pixel quantity corresponding with interpupillary distance more accurately in conjunction with human face posture, therefore the adjustment result of the display of display screen can be met more the actual demand of user.
Below, each step with reference to the above-mentioned display adjusting method in this example embodiment of Fig. 2 to Fig. 7 is described in detail.
Step S11. obtains current facial image.
In this example embodiment, described terminating unit can be configured with image collection module, such as camera. Described image collection module can be built in described terminating unit, such as front-facing camera; Can also be connected with described terminating unit in the way of peripheral hardware, such as external camera. Obtaining current facial image can be the face of the user before display screen taken pictures by described image capture module, directly obtains current facial image; Can also be by described image capture module, undertaken of the user before display screen is taken pictures, then extract facial image wherein by face recognition algorithms, this is not done special restriction by this exemplary embodiment.
Current facial image is carried out human face posture analysis by step S12., line between two pupils and the angle theta between a display screen place plane in face when obtaining imaging1��
In this example embodiment, described human face posture analysis can adopt the human face posture analytical procedure based on model, such as, the three-dimensional model of face can be set up in advance, and according to knowledge founding mathematical models such as projections, two-dimension human face characteristic sum three-dimensional face features is mapped, then obtain face characteristic with image processing method, finally determine three-dimensional model human face attitude according to this feature; Can also be the additive methods such as the human face posture analytical procedure based on training, such as, it is possible to by the corresponding relation between the 3 d pose of the characteristic sum face of the training of great amount of samples acquisition facial image.
For the current facial image shown in Fig. 2, after current facial image is carried out human face posture analysis, it is possible to angle theta between line a between two pupils and display screen place plane b in face when obtaining imaging1��
The pixel quantity that current facial image is carried out pupil image identification and obtains in current facial image between two pupil image by step S13..
In this example embodiment, it is possible to use identify the position of pupil in the position of eyes in current facial image and eye based on the pupil image recognition methods such as circular recognition technology of Hough conversion; Certainly, those skilled in the art can also adopt pupil image recognition methods available in any prior art, and this does not do in this exemplary embodiment special restriction. After identifying two pupil image, it is possible to by the image capture module of terminating unit or display control module, such as GPU, obtains the pixel quantity l between two pupil image0��
Step S14. is according to angle theta1To pixel quantity l0Correct.
Shown in figure 3, for line a between two pupils in face during imaging is parallel with display screen place plane b, such as user face is just to the facial image obtained when watching display screen when display screen. Shown in figure 2, for line a between two pupils in face during imaging is not parallel with display screen b, the facial image obtained when such as, watching display screen after user face left-right rotation. Comparison diagram 2 and Fig. 3 can learn, the pixel quantity l that during imaging, the deflection of face can cause interpupillary distance corresponding0Change in the picture, thus deviate true interpupillary distance. Shown in figure 4, by step 141 in this example embodiment, it is possible to according to the angle theta between line a between two pupils in face during imaging and display screen place plane b1To pixel quantity l0Carry out the first correction, such that it is able to obtain result relatively more accurately.
Further, this example embodiment also provide a kind of according to angle theta1Described pixel quantity is carried out the illustrative embodiments of the first correction. Such as:
Can according to formulaDescribed pixel quantity is carried out the first correction; Wherein, L0For carrying out the described pixel quantity after the first correction, l0For carrying out the described pixel quantity before the first correction.
Shown in figure 4, in other these example embodiment of the present disclosure, according to described angle theta1After described pixel quantity is carried out the first correction, described display adjusting method can also comprise rapid S142. Wherein:
Described pixel quantity after described first correction of described current facial image is carried out the 2nd correction by step S142.; Wherein, described 2nd correction is carried out according to the pixel quantity after the described correction of current facial image adjacent frame facial image. By step S142, it is possible to the calculation result in for some time is carried out smoothly, such that it is able to remove noise so that Output rusults more accurately and is stablized.
Further, this example embodiment also provide the described pixel quantity after a kind of described first correction to current facial image carry out the illustrative embodiments of the 2nd correction. Such as:
Can according to formulaDescribed pixel quantity after described first correction of current facial image is carried out the 2nd correction, wherein, L 'iTo L 'NIt is respectively the described pixel quantity after the final correction of current facial image adjacent N frame facial image. Namely in this example embodiment, it is possible to the described pixel quantity L ' after the final correction of current facial image adjacent N frame facial imageiTo L 'NAnd the described pixel quantity L after the first correction of current facial image0Average, obtain the described pixel quantity after the 2nd correction of current facial image.
S15. according to the described pixel quantity after correction, the display of display screen is adjusted.
Owing to the interpupillary distance of user is in a fixing scope usually, thus at same image-forming range and in the facial image obtained when face does not deflect, the described pixel quantity between two pupil image also corresponding can be in a fixing scope. Therefore, when described pixel quantity after correction and imaging, distance between people's eye and display screen has certain corresponding relation. According to the described pixel quantity after correction to display element in display screen, the size of such as image, word etc. adjusts, or, according to the described pixel quantity after correction, the resolving power of display screen is adjusted, again or, adjust the size of the image of the resolving power of display screen and display, word etc., it is possible to make the distance between the display of display screen and eyes of user and display screen suitable simultaneously.
In this example embodiment, described step S15 can comprise:
The display parameter corresponding with the described pixel quantity after correction are obtained according to the described pixel quantity after correction, and, according to display parameter, the display of display screen is adjusted. In this example embodiment, it is possible to from the display parameter that the pixel quantity prestored is corresponding with the described pixel quantity after query correction display parameter corresponding relation data. Such as, with reference to shown in table 1, have recorded pixel quantity and display parameter corresponding relation, therefore, after described pixel quantity after being corrected, can inquiring about and obtain corresponding display parameter, described display parameter can comprise the size of the display element such as image and word, display screen resolving power etc. In this example embodiment, it is possible to being that the described pixel quantity after correction is more big, described display element resolving power that is more little or described display screen is more high; Described pixel quantity after correction is more little, and described display element resolving power that is more big or described display screen is more low.
Table 1
Described pixel quantity (individual) Font size (pound) Resolving power
100��120 21 pounds 960*640
120��140 17 pounds 1280*768
140��160 14 pounds 1440*768
160��180 12 pounds 1920*1200
Further, in this example embodiment, described display adjusting method can also comprise step S16. Wherein:
Step S16. judges whether the described pixel quantity after correcting is less than presetted pixel quantity, and, described pixel quantity after judging correction generates an information when being less than presetted pixel quantity, and described information such as can watch the excessively near information of distance for prompting; Described presetted pixel quantity can set according to demand, and this does not do in this example embodiment special restriction.
Can be reminded in user when excessively near distance watches display screen by setting steps S16, such that it is able to avoid user owing to causing the damage of eyes at excessively near distance viewing display screen.
Shown in figure 5, in this example embodiment, according to the described pixel quantity after correction, the display of display screen being carried out adjustment can also be comprise step S151 to step S152. Wherein:
Range information between people's eye and display screen in face when step S151. is calculated to be picture according to the described pixel quantity after correction.
As mentioned above, it is necessary, described pixel quantity after correction and during imaging distance between people's eye and display screen there is certain corresponding relation. Such as, distance D=�� L ' between people's eye and display screen during imaging0, wherein, �� is a fixing parameter; Therefore, range information between people's eye and display screen in face when imaging can be calculated by the described pixel quantity after correction.
It should be noted that, do not carrying out the second revisal timing in above-mentioned steps S142, during imaging, distance between people's eye and display screen can also be D=�� L0. Now, it is also possible to the range information D calculated according to current facial image is corrected by the range information according to finally calculating in current face figure adjacent frame facial image. In described correcting mode and described step S142, principle is similar, such as, it is possible to according to formulaThe described range information D of current facial image is corrected, wherein, D 'iTo D 'NIt is respectively the described range information after the final correction of current facial image adjacent N frame facial image.
Step S152. obtains the display parameter corresponding with range information according to range information, and the display of display screen is adjusted according to display parameter.
In this example embodiment, it is possible to inquire about display parameter corresponding to described range information from the distance prestored with display parameter corresponding relation data. Such as, with reference to shown in table 2, have recorded distance and display parameter corresponding relation, therefore, after obtaining range information, can inquiring about and obtain corresponding display parameter, described display parameter can comprise the size of the display element such as image and word, display screen resolving power etc. In this example embodiment, it is possible to be that described range information is more big, described display element resolving power that is more little or described display screen is more high; Described range information is more little, and described display element resolving power that is more big or described display screen is more low.
Table 2
Distance (mm) Font size (pound) Resolving power
80��100 21 pounds 960*640
60��80 17 pounds 1280*768
40��60 14 pounds 1440*768
20��40 12 pounds 1920*1200
On this basis, in this example embodiment, described display adjusting method can also comprise step S16 '. Wherein:
Step S16 '. judge whether range information is less than predeterminable range, and, an information is generated when judging that range information is less than predeterminable range, described information such as can for prompting viewing be apart from excessively near information, by pointing out in screen flicker, sound alarm, carries out font hinting or breath light flash for prompting at screen, does not do special restriction in concrete prompting this enforcement of mode. Described predeterminable range can set according to demand, and this does not do in this example embodiment special restriction.
Can be reminded in user when excessively near distance watches display screen by setting steps S16 ', such that it is able to avoid user owing to causing the damage of eyes at excessively near distance viewing display screen.
In addition, in other exemplary embodiments of the present disclosure, it is also possible to adjust the display of described display screen according to the angle of face place plane during imaging and described display screen place plane. Shown in figure 6, in this example embodiment, described display adjusting method can also comprise step S20. Wherein:
Described current facial image is carried out human face posture analysis by step S20., the angle theta of face place plane and described display screen place plane when obtaining imaging2, according to described angle theta2The display of described display screen is adjusted. Shown in figure 7, according to described angle theta2The luffing angle of user face relative to display screen can be learnt, and then accordingly to the display element of different positions in display screen, the size of such as image, word etc. adjusts so that the display of display screen and the distance between eyes of user and display screen are suitable; Citing, if according to described angle theta2Learn, the distance between display screen upper left quarter and eyes of user, the Yan Geng little compared to the distance between display screen bottom right portion and eyes of user, then the word that can adjust display screen upper left quarter is less, and the word in display screen bottom right portion is bigger.
It should be noted that, although describe each step of method in the disclosure in the accompanying drawings with particular order, but, this is not require or imply to perform these steps according to this particular order, or the step shown in must performing all could realize the result of expectation. Additional or alternative, it is possible to omit some step, multiple step is merged into a step and performs, and/or a step is decomposed into multiple step execution etc. In addition, also understandable, these steps can be such as synchronous in multiple module/process/thread or asynchronous execution.
Further, in this example embodiment, additionally provide a kind of display setting device. Shown in figure 8, display setting device 100 can comprise image collection module 11, posture analysis module 12, pupil identification module 13, correction module 14 and display adjusting module 15. Wherein:
Image collection module 11 can be configured to obtain current facial image.
In this example embodiment, described terminating unit can be configured with image collection module 11, such as camera. Described image collection module 11 can be built in described terminating unit, such as front-facing camera; Can also be connected with described terminating unit in the way of peripheral hardware, such as external camera. Obtaining current facial image can be the face of the user before display screen taken pictures by described image collection module 11, directly obtains current facial image; Can also be by image collection module 11, undertaken of the user before display screen is taken pictures, then extract facial image wherein by face recognition algorithms, this is not done special restriction by this exemplary embodiment.
Posture analysis module can 12 to be configured to, the current facial image to described image collection module 11 obtains carries out human face posture analysis, line between two pupils and the angle theta between a display screen place plane in face when obtaining imaging1��
In this example embodiment, described posture analysis module 12 can adopt the human face posture analytical procedure based on model to carry out human face analysis, such as, the three-dimensional model of face can be set up in advance, and according to knowledge founding mathematical models such as projections, two-dimension human face characteristic sum three-dimensional face features is mapped, then obtain face characteristic with image processing method, finally determine three-dimensional model human face attitude according to this feature; Can also be the additive methods such as the human face posture analytical procedure based on training, such as, it is possible to by the corresponding relation between the 3 d pose of the characteristic sum face of the training of great amount of samples acquisition facial image.
For the current facial image shown in Fig. 2, after current facial image is carried out human face posture analysis by posture analysis module 12, it is possible to angle theta between line a between two pupils and display screen place plane b in face when obtaining imaging1��
Pupil identification module 13 can be configured to the current facial image to described image collection module 11 obtains and carry out pupil image identification, and obtains in described current facial image the pixel quantity between two pupil image.
In this example embodiment, pupil identification module 13 can utilize the pupil image recognition methods such as circular recognition technology based on Hough conversion to identify the position of pupil in the position of eyes in current facial image and eye; Certainly, those skilled in the art can also adopt pupil image recognition methods available in any prior art, and this does not do in this exemplary embodiment special restriction. After identifying two pupil image, it is possible to by the image capture module of terminating unit or display control module, such as GPU, obtains the pixel quantity l between two pupil image0��
Correction module 14 can be configured to can 12 angle theta obtained according to described posture analysis module1The pixel quantity that described pupil identification module 13 obtains is corrected. In this example embodiment, described correction module 14 can comprise the first correcting unit 141.
Shown in figure 3, for line a between two pupils in face during imaging is parallel with display screen place plane b, such as user face is just to the facial image obtained when watching display screen when display screen. Shown in figure 2, for line a between two pupils in face during imaging is not parallel with display screen b, the facial image obtained when such as, watching display screen after user face left-right rotation. Comparison diagram 2 and Fig. 3 can learn, the pixel quantity l that during imaging, the deflection of face can cause interpupillary distance corresponding0Change in the picture, thus deviate true interpupillary distance. And in this example embodiment, the first correcting unit 141 can according to the angle theta between line a between two pupils in face during imaging and display screen place plane b1To pixel quantity l0Carry out the first correction, such that it is able to obtain result relatively more accurately.
Further, this example embodiment also provide a kind of according to angle theta1Described pixel quantity is carried out the illustrative embodiments of the first correction. Such as:
Can according to formulaDescribed pixel quantity is carried out the first correction; Wherein, L0For carrying out the described pixel quantity after the first correction, l0For carrying out the described pixel quantity before the first correction.
Shown in figure 9, in the exemplary embodiment of one of the present disclosure, display setting device can also comprise the 2nd correcting unit 142. 2nd correcting unit 142 can be configured to the described correction according to current facial image adjacent frame facial image after pixel quantity to described current facial image described first correction after pixel quantity carry out the 2nd correction. By the 2nd correcting unit 142, it is possible to the calculation result in for some time is carried out smoothly, such that it is able to remove noise so that Output rusults more accurately and is stablized.
Further, this example embodiment also provide the described pixel quantity after a kind of described first correction to current facial image carry out the illustrative embodiments of the 2nd correction. Such as:
Can according to formulaDescribed pixel quantity after described first correction of current facial image is carried out the 2nd correction, wherein, L 'iTo L 'NIt is respectively the described pixel quantity after the final correction of current facial image adjacent N frame facial image. Namely in this example embodiment, it is possible to the described pixel quantity L ' after the final correction of current facial image adjacent N frame facial imageiTo L 'NAnd the described pixel quantity L after the first correction of current facial image0Average, obtain the described pixel quantity after the 2nd correction of current facial image.
Display adjusting module 15 can be configured to the pixel quantity after according to the correction of described correction module 14 and the display of described display screen be adjusted.
Owing to the interpupillary distance of user is in a fixing scope usually, thus at same image-forming range and in the facial image obtained when face does not deflect, the described pixel quantity between two pupil image also corresponding can be in a fixing scope. Therefore, when described pixel quantity after correction and imaging, distance between people's eye and display screen has certain corresponding relation. According to the described pixel quantity after correction to display element in display screen, the size of such as image, word etc. adjusts, or, according to the described pixel quantity after correction, the resolving power of display screen is adjusted, again or, adjust the size of the image of the resolving power of display screen and display, word etc., it is possible to make the distance between the display of display screen and eyes of user and display screen suitable simultaneously.
In this example embodiment, described display adjusting module can comprise parameter acquiring unit 151 and display adjustment unit 152. Wherein:
Parameter acquiring unit 151 can be configured to the pixel quantity after according to described correction and obtain the display parameter corresponding with the pixel quantity after described correction.
In this example embodiment, it is possible to from the display parameter that the pixel quantity prestored is corresponding with the described pixel quantity after query correction display parameter corresponding relation data. Such as, with reference to shown in table 3, have recorded pixel quantity and display parameter corresponding relation, therefore, after described pixel quantity after being corrected, can inquiring about and obtain corresponding display parameter, described display parameter can comprise the size of the display element such as image and word, display screen resolving power etc.
Table 3
Described pixel quantity (individual) Font size (pound) Resolving power
100��120 21 pounds 960*640
120��140 17 pounds 1280*768
140��160 14 pounds 1440*768
160��180 12 pounds 1920*1200
Display adjustment unit 152 can be configured to the display of described display screen be adjusted according to described display parameter. In this example embodiment, it is possible to being that the described pixel quantity after correction is more big, described display element resolving power that is more little or described display screen is more high; Described pixel quantity after correction is more little, and described display element resolving power that is more big or described display screen is more low.
In this exemplary embodiment, described display setting device can also comprise the first reminding module. Wherein:
First reminding module can be configured to whether the pixel quantity after judging described correction is less than presetted pixel quantity, and generates an information when pixel quantity after judging described correction is less than presetted pixel quantity. Described information such as can for prompting viewing be apart from excessively near information; Described presetted pixel quantity can set according to demand, and this does not do in this example embodiment special restriction.
Can remind in user when excessively near distance watches display screen by arranging reminding module, such that it is able to avoid user owing to causing the damage of eyes at excessively near distance viewing display screen.
With reference to, shown in Figure 11, in this exemplary embodiment, described display adjusting module can comprise metrics calculation unit 151 ', parameter acquiring unit 152 ' and display adjustment unit 153 '. Wherein:
The range information that metrics calculation unit 151 ' can be configured to when the pixel quantity after according to described correction is calculated to be picture in face between people's eye and described display screen.
As mentioned above, it is necessary, described pixel quantity after correction and during imaging distance between people's eye and display screen there is certain corresponding relation. Such as, distance D=�� L ' between people's eye and display screen during imaging0, wherein, �� is a fixing parameter; Therefore, range information between people's eye and display screen in face when imaging can be calculated by the described pixel quantity after correction.
It should be noted that, in the second revisal timing not carried out in above-mentioned 2nd correction module 15 ', during imaging, distance between people's eye and display screen can also be D=�� L0. Now, it is also possible to the range information D calculated according to current facial image is corrected by the range information according to finally calculating in current face figure adjacent frame facial image. In described correcting mode and described 2nd correction module 15 ', principle is similar, such as, it is possible to according to formulaThe described range information D of current facial image is corrected, wherein, D 'iTo D 'NIt is respectively the described range information after the final correction of current facial image adjacent N frame facial image.
Parameter acquiring unit 152 ' can be configured to obtain the display parameter corresponding with described range information according to described range information. Display adjustment unit 153 ' can be configured to the display of described display screen be adjusted according to described display parameter.
In this example embodiment, it is possible to inquire about display parameter corresponding to described range information from the distance prestored with display parameter corresponding relation data. Such as, with reference to shown in table 4, have recorded distance and display parameter corresponding relation, therefore, after obtaining range information, can inquiring about and obtain corresponding display parameter, described display parameter can comprise the size of the display element such as image and word, display screen resolving power etc. In this example embodiment, it is possible to be that described range information is more big, described display element resolving power that is more little or described display screen is more high; Described range information is more little, and described display element resolving power that is more big or described display screen is more low.
Table 4
Distance (mm) Font size (pound) Resolving power
80��100 21 pounds 960*640
60��80 17 pounds 1280*768
40��60 14 pounds 1440*768
20��40 12 pounds 1920*1200
In this exemplary embodiment, described display setting device can also comprise the 2nd reminding module. Wherein:
2nd reminding module can be configured to judge whether the described range information that metrics calculation unit 151 ' calculates is less than predeterminable range, and, judging that described range information generates an information when being less than described predeterminable range. Can remind in user when excessively near distance watches display screen by arranging the 2nd reminding module, such that it is able to avoid user owing to causing the damage of eyes at excessively near distance viewing display screen.
In this exemplary embodiment, described posture analysis module 12 can also be configured to, and described current facial image is carried out human face posture analysis, the angle theta of face place plane and described display screen place plane when obtaining imaging2; And, described display adjusting module 15 can also be configured to, according to described angle theta2The display of described display screen is adjusted. Shown in figure 7, according to described angle theta2The luffing angle of user face relative to display screen can be learnt, and then accordingly to the display element of different positions in display screen, the size of such as image, word etc. adjusts so that the display of display screen and the distance between eyes of user and display screen are suitable; Citing, if according to described angle theta2Learn, the distance between display screen upper left quarter and eyes of user, the Yan Geng little compared to the distance between display screen bottom right portion and eyes of user, then the word that can adjust display screen upper left quarter is less, and the word in display screen bottom right portion is bigger.
About the device in above-described embodiment, wherein the concrete mode of each module executable operations has been described in detail in about the embodiment of the method, will not elaborate explanation herein.
Although it should be noted that be referred to some modules or the unit of the equipment for action executing in above-detailed, but this kind divides not mandatory. In fact, according to embodiment of the present disclosure, the Characteristic and function of two or more modules above-described or unit can be specialized in a module or unit. Otherwise, the Characteristic and function of an above-described module or unit can Further Division for specialize by multiple module or unit. Can be as the parts of module or unit display or may not be physical location, namely can be positioned at a place, or can also be distributed on multiple NE. Some or all of module wherein can be selected according to the actual needs to realize the object of the open scheme of wood. Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
Through the above description of the embodiments, technician's easy to understand of this area, example embodiment described herein can pass through software simulating, it is also possible to the mode being combined necessary hardware by software is realized. Therefore, the technical scheme implementing mode according to the disclosure can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in or on network, comprise some instructions so that calculating equipment (can be Personal Computer, server, touch control terminal or the network equipment etc.) performs the method implementing mode according to the disclosure.
Figure 12 illustrates according to the schematic diagram showing setting device 300 a kind of in disclosure example embodiment. Such as, device 300 can be mobile telephone, computer, digital broadcast terminal, messaging devices, intelligence audio amplifier, intelligent television, game console, tablet device, medical facilities, body-building equipment, personal digital assistant etc.
With reference to Figure 12, device 300 can comprise following one or more assembly: processing components 302, storer 304, power supply module 306, multimedia groupware 308, audio-frequency assembly 310, the interface 312 of I/O (I/O), sensor module 314, and communications component 316.
The overall operation of the usual control device 300 of processing components 302, such as with display, the operation that telephone call, data corresponding, camera operation and recording operation are associated. Processing components 302 can comprise one or more treater 320 to perform instruction, to complete all or part of step of above-mentioned method. In addition, processing components 302 can comprise one or more module, and what be convenient between processing components 302 and other assemblies is mutual. Such as, processing components 302 can comprise multi-media module, mutual with what facilitate between multimedia groupware 304 and processing components 302.
Storer 304 is configured to store various types of data to be supported in the operation of equipment 300. The example of these data comprises the instruction of any application program for operating on the device 300 or method, contact data, telephone book data, message, picture, video etc. Storer 304 can be realized by the volatibility of any type or non-volatile memory device or their combination, such as static RAM (SRAM), electrically erasable read-only storage (EEPROM), erasable programmable read-only storage (EPROM), programmable read only memory (PROM), read-only storage (ROM), magneticstorage, flash device, disk or CD.
The various assembly that electric power assembly 306 is device 300 provides electric power. Electric power assembly 306 can comprise power-supply management system, one or more power supply, and other generate, manage and distribute, with for device 300, the assembly that electric power is associated.
The screen that an output interface is provided that multimedia groupware 308 is included between described device 300 and user. In certain embodiments, screen can comprise liquid-crystal display (LCD) and touch panel (TP). If screen comprises touch panel, screen may be implemented as touch-screen, to receive the input signal from user. Touch panel comprises one or more touch sensing device with the gesture on sensing touch, slip and touch panel. Described touch sensing device can the border of not only sensing touch or sliding action, but also the detection time length relevant to described touch or slide and pressure. In certain embodiments, multimedia groupware 308 comprises a front-facing camera and/or rearmounted camera. When equipment 300 is in operator scheme, during such as screening-mode or video pattern, front-facing camera and/or rearmounted camera can receive outside multi-medium data. Each front-facing camera and rearmounted camera can be a fixing optical lens system or have focal length and optical zoom ability.
Audio-frequency assembly 310 is configured to export and/or input audio signal. Such as, audio-frequency assembly 310 comprises a microphone (MIC), and when device 300 is in operator scheme, during such as calling pattern, record pattern and speech recognition pattern, microphone is configured to receive external audio signal. The sound signal received can be stored in storer 304 further or be sent via communications component 316. In certain embodiments, audio-frequency assembly 310 also comprises a loud speaker, for output audio signal.
I/O interface 312 is for providing interface between processing components 302 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc. These buttons can include but not limited to: home button, volume button, startup button and locking button.
Sensor module 314 comprises one or more sensor, for providing the state estimation of all respects for device 300. Such as, sensor module 314 can detect the opening/closing state of equipment 300, the relative location of assembly, such as described assembly is indicating meter and the keypad of device 300, the position that sensor module 314 can also detect device 300 or device 300 1 assemblies changes, the presence or absence that user contacts with device 300, the temperature variation of device 300 orientation or acceleration/deceleration and device 300. Sensor module 314 can comprise close to sensor, be configured to without any physical contact time detection near the existence of object. Sensor module 314 can also comprise optical sensor, such as CMOS or ccd image sensor, for using in imaging applications. In certain embodiments, this sensor module 314 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure transmitter or temperature sensor.
Communications component 316 is configured to be convenient to the communication of wired or wireless mode between device 300 and other equipment. Device 300 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or their combination. In an exemplary embodiment, communications component 316 receives the broadcast signal from outside broadcasting management systems or broadcast related information via broadcast channel. In an exemplary embodiment, described communications component 316 also comprises near-field communication (NFC) module, to promote short distance communication. Such as, can based on RF identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 300 can be realized by one or more application specific unicircuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device part (PLD), field-programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components, for performing aforesaid method.
In the exemplary embodiment, additionally providing a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the storer 304 of instruction, above-mentioned instruction can perform aforesaid method by the treater 320 of device 300. Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage equipment etc.
Figure 13 illustrates according to the schematic diagram showing setting device 400 a kind of in disclosure example embodiment. Such as, device 400 may be provided in a server. With reference to Figure 13, device 400 comprises processing components 422, and it comprises one or more treater further, and by the storer resource representated by storer 432, can by the instruction of the execution of processing components 422 for storing, such as application program. The application program stored in storer 432 can comprise each module corresponding to one group of instruction one or more. In addition, processing components 422 is configured to perform instruction, to perform the above method.
Device 400 can also comprise the power supply management that a power supply module 426 is configured to executive device 400, and a wired or wireless network interface 450 is configured to device 400 is connected to network, and input and output (I/O) interface 458. Device 400 can operate based on the operating system being stored in storer 432, such as WindowsServerTM, MacOSXTM, UnixTM, LinuxTM, FreeBSDTM or similar.
Those skilled in the art, after considering specification sheets and putting into practice invention disclosed herein, will easily expect other embodiment of the present disclosure. The application is intended to contain any modification of the present disclosure, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present disclosure and comprised the unexposed common practise in the art of the disclosure or conventional techniques means. Specification sheets and embodiment are only regarded as exemplary, and true scope of the present disclosure and spirit are pointed out by appended claim.

Claims (25)

1. a display adjusting method, it is characterised in that, comprising:
Obtain current facial image;
Described current facial image is carried out human face posture analysis, line between two pupils and the angle theta between a display screen place plane in face when obtaining imaging1;
Described current facial image is carried out pupil image identification, and obtains in described current facial image the pixel quantity between two pupil image;
According to described angle theta1Described pixel quantity is corrected;
According to the pixel quantity after correction, the display of described display screen is adjusted.
2. display adjusting method according to claim 1, it is characterised in that, according to described angle theta1Described pixel quantity is carried out correction comprise:
According to formulaDescribed pixel quantity is carried out the first correction; Wherein, L0For carrying out the pixel quantity after the first correction, l0For carrying out the pixel quantity before the first correction.
3. display adjusting method according to claim 2, it is characterised in that, according to described angle theta1Also comprise after described pixel quantity is carried out the first correction:
Pixel quantity after described first correction of described current facial image is carried out the 2nd correction; Wherein, described 2nd correction is carried out according to the pixel quantity after the described correction of current facial image adjacent frame facial image.
4. display adjusting method according to claim 3, it is characterised in that, the pixel quantity after described first correction of current facial image is carried out second revisal and just comprises:
According to formulaPixel quantity after described first correction of current facial image is carried out the 2nd correction; Wherein, L 'iTo L 'NIt is respectively the pixel quantity after the described correction of current facial image adjacent N frame facial image.
5. display adjusting method according to claim 1, it is characterised in that, according to the pixel quantity after correction, the display of described display screen is carried out adjustment and comprise:
The display parameter corresponding with the pixel quantity after described correction are obtained according to the pixel quantity after described correction;
According to described display parameter, the display of described display screen is adjusted.
6. display adjusting method according to claim 5, it is characterised in that, described acquisition display parameter corresponding with the pixel quantity after described correction comprise:
From the pixel quantity prestored and display parameter corresponding relation data, inquire about the display parameter that the pixel quantity after described correction is corresponding.
7. display adjusting method according to claim 5, it is characterised in that, described method also comprises:
Judge whether the pixel quantity after described correction is less than presetted pixel quantity; And,
Pixel quantity after judging described correction generates an information when being less than presetted pixel quantity.
8. display adjusting method according to claim 1, it is characterised in that, according to the pixel quantity after correction, the display of described display screen is carried out adjustment and comprise:
Range information between people's eye and described display screen in face when being calculated to be picture according to the pixel quantity after described correction;
The display parameter corresponding with described range information are obtained according to described range information;
According to described display parameter, the display of described display screen is adjusted.
9. display adjusting method according to claim 8, it is characterised in that, described acquisition display parameter corresponding with described range information comprise:
From the people's eye distance prestored with display parameter corresponding relation data, inquire about the display parameter that described range information is corresponding.
10. display adjusting method according to claim 8, it is characterised in that, described display adjusting method also comprises:
Judge whether described range information is less than predeterminable range; And,
Judging that described range information generates an information when being less than described predeterminable range.
11. display adjusting methods according to claim 4 to 10 any one, it is characterised in that, described display parameter comprise resolving power and/or display element size.
12. display adjusting methods according to claim 1, it is characterised in that, described method also comprises:
Described current facial image is carried out human face posture analysis, the angle theta of face place plane and described display screen place plane when obtaining imaging2; And,
According to described angle theta2The display of described display screen is adjusted.
13. 1 kinds of display setting devices, it is characterised in that, comprising:
Image collection module, is configured to obtain current facial image;
Posture analysis module, the current facial image being configured to described image collection module be obtained carries out human face posture analysis, line between two pupils and the angle theta between a display screen place plane in face when obtaining imaging1;
Pupil identification module, the current facial image being configured to described image collection module be obtained carries out pupil image identification, and obtains in described current facial image the pixel quantity between two pupil image;
Correction module, is configured to according to the angle theta that described posture analysis module obtains1The pixel quantity that described pupil identification module obtains is corrected;
Display adjusting module, is configured to the pixel quantity after according to the correction of described correction module and the display of described display screen is adjusted.
14. display setting devices according to claim 13, it is characterised in that, comprise according to correction module:
First correcting unit, is configured to according to formulaDescribed pixel quantity is carried out the first correction; Wherein, L0For carrying out the pixel quantity after the first correction, l0For carrying out the pixel quantity before the first correction.
15. display setting devices according to claim 14, it is characterised in that, display setting device also comprises:
2nd correcting unit, is configured to the pixel quantity after described first correction of described current facial image is carried out the 2nd correction; Wherein, described 2nd correction is carried out according to the pixel quantity after the described correction of current facial image adjacent frame facial image.
16. display setting devices according to claim 15, it is characterised in that, the pixel quantity after described first correction of current facial image is carried out second revisal and just comprises:
According to formulaPixel quantity after described first correction of current facial image is carried out the 2nd correction; Wherein, L 'iTo L 'NIt is respectively the pixel quantity after the described correction of current facial image adjacent N frame facial image.
17. display setting devices according to claim 13, it is characterised in that, described display adjusting module comprises:
Parameter acquiring unit, is configured to the pixel quantity after according to described correction and obtains the display parameter corresponding with the pixel quantity after described correction;
Display adjustment unit, is configured to the display of described display screen be adjusted according to described display parameter.
18. display setting devices according to claim 17, it is characterised in that, described acquisition display parameter corresponding with the pixel quantity after described correction comprise:
From the pixel quantity prestored and display parameter corresponding relation data, inquire about the display parameter that the pixel quantity after described correction is corresponding.
19. display setting devices according to claim 17, it is characterised in that, described display setting device also comprises:
Reminding module, is configured to whether the pixel quantity after judging the correction of described correction module is less than presetted pixel quantity, and generates an information when pixel quantity after judging described correction is less than presetted pixel quantity.
20. display setting devices according to claim 13, it is characterised in that, described display adjusting module comprises:
Metrics calculation unit, the range information being configured to when the pixel quantity after according to described correction is calculated to be picture in face between people's eye and described display screen;
Parameter acquiring unit, is configured to obtain the display parameter corresponding with described range information according to described range information;
Display adjustment unit, is configured to the display of described display screen be adjusted according to described display parameter.
21. display setting devices according to claim 20, it is characterised in that, described display setting device also comprises:
Reminding module, is configured to judge whether the range information that described metrics calculation unit calculates is less than predeterminable range, and, judging that described range information generates an information when being less than described predeterminable range.
22. display setting devices according to claim 20, it is characterised in that, described acquisition display parameter corresponding with described range information comprise:
From the people's eye distance prestored with display parameter corresponding relation data, inquire about the display parameter that described range information is corresponding.
23. according to claim 16 to the display setting device described in 22 any one, it is characterised in that, described display parameter comprise resolving power and/or display element size.
24. display setting devices according to claim 13, it is characterised in that, wherein:
Described posture analysis module is also configured to, and described current facial image is carried out human face posture analysis, the angle theta of face place plane and described display screen place plane when obtaining imaging2; And,
Described display adjusting module is also configured to, according to described angle theta2The display of described display screen is adjusted.
25. 1 kinds of display setting devices, it is characterised in that, comprising:
Treater; And
Storer, for storing the performed instruction of described treater;
Wherein said treater is configured to perform instruction to perform following operation described in performing:
Obtain current facial image;
Described current facial image is carried out human face posture analysis, line between two pupils and the angle theta between a display screen place plane in face when obtaining imaging1;
Described current facial image is carried out pupil image identification, and obtains in described current facial image the pixel quantity between two pupil image;
According to described angle theta1Described pixel quantity is corrected;
According to the pixel quantity after correction, the display of described display screen is adjusted.
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