CN104461002A - Device and method for reducing vision fatigue of viewing mobile terminal equipment - Google Patents
Device and method for reducing vision fatigue of viewing mobile terminal equipment Download PDFInfo
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- CN104461002A CN104461002A CN201410731268.2A CN201410731268A CN104461002A CN 104461002 A CN104461002 A CN 104461002A CN 201410731268 A CN201410731268 A CN 201410731268A CN 104461002 A CN104461002 A CN 104461002A
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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
- G06F3/013—Eye tracking input arrangements
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Abstract
The invention discloses a device for reducing the vision fatigue of viewing mobile terminal equipment and a method for reducing the vision fatigue by utilizing the device. The method comprises the steps that S1, a detection module detects an angle at which a user views the mobile terminal equipment currently; S2, a picture adjusting module adjusts a picture angle displayed by the mobile terminal equipment and changes the vision focus of eyes of the user; S3, a timing module performs timing control, wherein the steps S1 and S2 are cyclically executed at a certain time interval. According to the device and the method, the angle at which the user views the mobile terminal equipment currently is detected in a timing mode, a display picture is subjected to fine and smooth angle rotation adjustment in time, the vision focus of the eyes of the user is changed, and the vision fatigue caused by long-time viewing at the same picture focus is reduced.
Description
Technical field
The present invention relates to a kind of apparatus and method that can reduce visual fatigue degree, especially for the situation producing visual fatigue because watching mobile terminal device for a long time.
Background technology
The mobile terminal device be widely used at present, its screen size is general all more limited, and the relatively traditional PC of package size wants much small.Size is little, although integrated level these characteristics high have great convenience for the user to carry these mobile terminal devices, but but often ignored a problem by everybody, that is exactly user when staring at a fixing fritter picture viewing for a long time, can produce serious visual fatigue.Most typical example is exactly, and when using mobile phone to carry out the reading of network books, especially for teenager user, shows as near-sighted probability and raises, and long-time viewing can be caused to produce the fatigue etc. of health.
Based on above-mentioned, need badly propose a kind of can effectively reduce and alleviate cause the apparatus and method of visual fatigue because watching mobile terminal device.
Summary of the invention
The object of the present invention is to provide a kind of apparatus and method reducing the visual fatigue degree of viewing mobile terminal device, timing detects the current angle at viewing mobile terminal device of user, in time trickle level and smooth angle is carried out to display frame and rotate adjustment, change the visual focus of eyes of user, reduce and in same picture focus, watch brought visual fatigue for a long time.
In order to achieve the above object, the invention provides a kind of device reducing the visual fatigue degree of viewing mobile terminal device, arrange on the mobile terminal device, comprise: detection module, for detecting the current angle at viewing mobile terminal device of user; Picture adjusting module, it is connected with described detection module, watches the angle of mobile terminal device according to the user detected, the picture angle of adjustment shown by mobile terminal device; Time block, it is connected with described detection module, for carrying out timing controlled according to detection frequency, controlling the detection that detection module carries out user's viewing angle, and make picture adjusting module carry out corresponding angular setting to picture at interval of a period of time.
Described detection module comprises: face identification unit, and it, for carrying out recognition of face to the current user watching mobile terminal device, finds user's pupil position; Distance sensing unit, it is connected with described face identification unit, obtains vertical range between user's pupil and mobile terminal device and air line distance for detecting; Elevation angle computing unit, it is connected with described distance sensing unit, according to the vertical range detected between user's pupil of obtaining and mobile terminal device and air line distance, calculate angle between user's pupil and mobile terminal device to determine that user watches the angle of mobile terminal device.
Described face identification unit comprises: collecting unit, and it is connected with described time block, by the timing controlled of time block, carries out acquisition and recording at interval of a period of time to the current facial image information watching the user of mobile terminal device; Extraction unit, it is connected with described collecting unit, receives user's facial image information, and extracts the face feature data of this user; Matching unit, it is connected with described extraction unit and distance sensing unit respectively, and according to extracted user's face feature data, correspondence finds the pupil position of user.
Described distance sensing unit is arrange distance-sensor on the mobile terminal device; Described collecting unit is arrange front-facing camera on the mobile terminal device; Air line distance between described user's pupil and mobile terminal device refers to, the air line distance between the front-facing camera on user's pupil and mobile terminal device.
Described picture adjusting module comprises: picture 2D rotary unit, and it is connected with described elevation angle computing unit, and according to the user's viewing angle calculated, carry out 2D rotation to the picture shown by mobile terminal device, the anglec of rotation is user's viewing angle; Picture rotation control unit, it is connected, for the rotational speed of control interface 2D rotary unit with described picture 2D rotary unit.
The present invention also provides a kind of method reducing the visual fatigue degree of viewing mobile terminal device, and it utilizes the device of above-mentioned setting reduction visual fatigue degree on the mobile terminal device to realize, and comprises following steps:
S1, detection module detect the current angle at viewing mobile terminal device of user;
The picture angle of S2, picture adjusting module adjustment shown by mobile terminal device, changes the visual focus of eyes of user;
S3, time block carry out timing controlled according to detection frequency, perform S1 and S2 at interval of a period of time circulation.
Described S1 comprises following steps:
S11, face identification unit carry out recognition of face to the current user watching mobile terminal device, find user's pupil position;
S12, distance perspective answer unit inspection to obtain vertical range between user's pupil and mobile terminal device and air line distance;
S13, the elevation angle calculate vertical range between user's pupil of obtaining of unit inspection and mobile terminal device and air line distance, calculate angle between user's pupil and mobile terminal device to determine that user watches the angle of mobile terminal device.
Described S11 comprises following steps:
S111, collecting unit carry out acquisition and recording to the current facial image information watching the user of mobile terminal device;
S112, extraction unit receive user's facial image information, and extract the face feature data of this user;
S113, matching unit are according to extracted user's face feature data, and correspondence finds the pupil position of user.
Described distance sensing unit is arrange distance-sensor on the mobile terminal device; Described collecting unit is arrange front-facing camera on the mobile terminal device; Air line distance between described user's pupil and mobile terminal device refers to, the air line distance between the front-facing camera on user's pupil and mobile terminal device.
Described S2 comprises following steps:
S21, picture 2D rotary unit are according to the user's viewing angle calculated, and carry out 2D rotation to the picture shown by mobile terminal device, the anglec of rotation is user's viewing angle;
The rotational speed of S22, picture rotation control unit control interface 2D rotary unit.
In sum, the apparatus and method reducing the visual fatigue degree of viewing mobile terminal device provided by the present invention, the current angle at viewing mobile terminal device of user is detected by timing, and in time angle rotation adjustment is carried out to display frame, change the visual focus of eyes of user, reduce and in same picture focus, watch brought visual fatigue for a long time, make user be in applicable viewing angle all the time; Further, rotate in the process of adjustment carrying out angle to picture, by controlling its rotational speed, making whole process smoothly trickle, user not easily being discovered and unaffected.
Accompanying drawing explanation
Fig. 1 is the structural representation of device of the visual fatigue degree of reduction viewing mobile terminal device in the present invention;
Fig. 2 is the method flow diagram of visual fatigue degree of the reduction viewing mobile terminal device in the present invention;
Fig. 3 is the method flow diagram of the detection user viewing angle in the present invention;
Fig. 4 is the method flow diagram of the identification user pupil position in the present invention;
Fig. 5 is the method flow diagram that picture in the present invention carries out angular setting.
Embodiment
Below in conjunction with Fig. 1 ~ Fig. 5, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in Figure 1, be the device reducing the visual fatigue degree of viewing mobile terminal device provided by the present invention, it is arranged on the mobile terminal device, comprises: detection module 1, for detecting the current angle at viewing mobile terminal device of user; Picture adjusting module 2, it is connected with described detection module 1, the angle of mobile terminal device is watched according to the user detected, the picture angle of adjustment shown by mobile terminal device, change the visual focus of eyes of user, reduce and in same picture focus, watch brought visual fatigue for a long time; Time block 3, it is connected with described detection module 1, for carrying out timing controlled according to detection frequency, controlling the detection that detection module 1 carries out user's viewing angle, and make picture adjusting module 2 pairs of pictures carry out corresponding angular setting at interval of a period of time.
Because user is in the process of viewing mobile terminal device, often can adjusts posture, comprise and significantly change posture, or only just automatic fine setting.Therefore, need timing to carry out the detection of user's viewing angle, and in time corresponding angular setting is carried out to picture, make user can check mobile terminal device under suitable viewing angle all the time, thus effectively reduce the visual fatigue of user.Under normal circumstances, the detection frequency of time block 3 can be set to detection in 1 minute 1 time.
Described mobile terminal device is mobile phone, panel computer or PDA etc.
Described detection module 1 comprises: face identification unit 11, and it, for carrying out recognition of face to the current user watching mobile terminal device, finds user's pupil position; Distance sensing unit 12, it is connected with described face identification unit 11, obtains vertical range between user's pupil and mobile terminal device and air line distance for detecting; Elevation angle computing unit 13, it is connected with described distance sensing unit 12, according to detecting the vertical range between user's pupil and mobile terminal device and air line distance that obtain, utilize the triangle cosine function of right-angle triangle, calculate angle between user's pupil and mobile terminal device to determine that user watches the angle of mobile terminal device.
Described face identification unit 11 comprises: collecting unit 111, it is connected with described time block 3, by the timing controlled of time block 3, at interval of a period of time, acquisition and recording is carried out to the current facial image information watching the user of mobile terminal device; Extraction unit 112, it is connected with described collecting unit 111, receives user's facial image information, and extracts the face feature data of this user; Matching unit 113, it is connected with described extraction unit 112 and distance sensing unit 12 respectively, and according to extracted user's face feature data, correspondence finds the pupil position of user.
Described distance sensing unit 12 is arrange distance-sensor on the mobile terminal device; Described collecting unit 111 is arrange front-facing camera on the mobile terminal device; Air line distance between described user's pupil and mobile terminal device refers to, the air line distance between the front-facing camera on user's pupil and mobile terminal device.
Described picture adjusting module 2 comprises: picture 2D rotary unit 21, it is connected with described elevation angle computing unit 13, according to the user's viewing angle calculated, 2D rotation is carried out to the picture shown by mobile terminal device, the anglec of rotation is user's viewing angle, make postrotational picture be in the angle of applicable user viewing, and change the visual focus of eyes of user, reduce visual fatigue; Picture rotation control unit 22, it is connected with described picture 2D rotary unit 21, for the rotational speed of control interface 2D rotary unit 21, make the picture shown by mobile terminal device in rational mathematical time, carry out trickle level and smooth angular transformation, make whole picture rotate the process of carrying out angular transformation can not be easily noticed by the users, thus it is impacted.
As shown in Figure 2, the present invention also provides a kind of method reducing the visual fatigue degree of viewing mobile terminal device, and it utilizes the device of above-mentioned setting reduction visual fatigue degree on the mobile terminal device to realize, and comprises following steps:
S1, detection module 1 detect the current angle at viewing mobile terminal device of user;
S2, picture adjusting module 2 adjust the picture angle shown by mobile terminal device, change the visual focus of eyes of user;
S3, time block 3 carry out timing controlled according to detection frequency, perform S1 and S2 at interval of a period of time circulation.
As shown in Figure 3, described S1 comprises following steps:
S11, face identification unit 11 carry out recognition of face to the current user watching mobile terminal device, find user's pupil position;
S12, distance sensing unit 12 detect the vertical range and air line distance that obtain between user's pupil and mobile terminal device;
S13, elevation angle computing unit 13 detect the vertical range between user's pupil and mobile terminal device and air line distance that obtain, utilize the triangle cosine function of right-angle triangle, calculate angle between user's pupil and mobile terminal device to determine that user watches the angle of mobile terminal device.
As shown in Figure 4, described S11 comprises following steps:
S111, collecting unit 111 carry out acquisition and recording to the current facial image information watching the user of mobile terminal device;
S112, extraction unit 112 receive user's facial image information, and extract the face feature data of this user;
S113, matching unit 113 are according to extracted user's face feature data, and correspondence finds the pupil position of user.
Described distance sensing unit 12 is arrange distance-sensor on the mobile terminal device; Described collecting unit 111 is arrange front-facing camera on the mobile terminal device; Air line distance between described user's pupil and mobile terminal device refers to, the air line distance between the front-facing camera on user's pupil and mobile terminal device.
As shown in Figure 5, described S2 comprises following steps:
S21, picture 2D rotary unit 21 are according to the user's viewing angle calculated, 2D rotation is carried out to the picture shown by mobile terminal device, the anglec of rotation is user's viewing angle, postrotational picture is made to be in the angle of applicable user viewing, and change the visual focus of eyes of user, reduce visual fatigue;
The rotational speed of S22, picture rotation control unit 22 control interface 2D rotary unit 21, make the picture shown by mobile terminal device in rational mathematical time, carry out trickle level and smooth angular transformation, make whole picture rotate the process of carrying out angular transformation can not be easily noticed by the users, thus it is impacted.
In sum, the apparatus and method reducing the visual fatigue degree of viewing mobile terminal device provided by the present invention, the current angle at viewing mobile terminal device of user is detected by timing, and in time angle rotation adjustment is carried out to display frame, change the visual focus of eyes of user, reduce and in same picture focus, watch brought visual fatigue for a long time, make user be in applicable viewing angle all the time; Further, rotate in the process of adjustment carrying out angle to picture, by controlling its rotational speed, making whole process smoothly trickle, user not easily being discovered and unaffected.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. reduce a device for the visual fatigue degree of viewing mobile terminal device, arrange on the mobile terminal device, it is characterized in that, comprise:
Detection module (1), for detecting the current angle at viewing mobile terminal device of user;
Picture adjusting module (2), it is connected with described detection module (1), watches the angle of mobile terminal device according to the user detected, the picture angle of adjustment shown by mobile terminal device;
Time block (3), it is connected with described detection module (1), for carrying out timing controlled according to detection frequency, controlling at interval of a period of time the detection that detection module (1) carries out user's viewing angle, and making picture adjusting module (2) carry out corresponding angular setting to picture.
2. the device reducing the visual fatigue degree of viewing mobile terminal device as claimed in claim 1, it is characterized in that, described detection module (1) comprises:
Face identification unit (11), it, for carrying out recognition of face to the current user watching mobile terminal device, finds user's pupil position;
Distance sensing unit (12), it is connected with described face identification unit (11), obtains vertical range between user's pupil and mobile terminal device and air line distance for detecting;
Elevation angle computing unit (13), it is connected with described distance sensing unit (12), according to the vertical range detected between user's pupil of obtaining and mobile terminal device and air line distance, calculate angle between user's pupil and mobile terminal device to determine that user watches the angle of mobile terminal device.
3. the device reducing the visual fatigue degree of viewing mobile terminal device as claimed in claim 2, it is characterized in that, described face identification unit (11) comprises:
Collecting unit (111), it is connected with described time block (3), by the timing controlled of time block (3), carries out acquisition and recording at interval of a period of time to the current facial image information watching the user of mobile terminal device;
Extraction unit (112), it is connected with described collecting unit (111), receives user's facial image information, and extracts the face feature data of this user;
Matching unit (113), it is connected with described extraction unit (112) and distance sensing unit (12) respectively, and according to extracted user's face feature data, correspondence finds the pupil position of user.
4. the device reducing the visual fatigue degree of viewing mobile terminal device as claimed in claim 3, is characterized in that, described distance sensing unit (12) is arrange distance-sensor on the mobile terminal device; Described collecting unit (111) is arrange front-facing camera on the mobile terminal device; Air line distance between described user's pupil and mobile terminal device refers to, the air line distance between the front-facing camera on user's pupil and mobile terminal device.
5. the device reducing the visual fatigue degree of viewing mobile terminal device as claimed in claim 2, it is characterized in that, described picture adjusting module (2) comprises:
Picture 2D rotary unit (21), it is connected with described elevation angle computing unit (13), and according to the user's viewing angle calculated, carry out 2D rotation to the picture shown by mobile terminal device, the anglec of rotation is user's viewing angle;
Picture rotation control unit (22), it is connected with described picture 2D rotary unit (21), for the rotational speed of control interface 2D rotary unit (21).
6. reduce a method for the visual fatigue degree of viewing mobile terminal device, utilize the device of above-mentioned setting reduction visual fatigue degree on the mobile terminal device to realize, it is characterized in that, comprise following steps:
S1, detection module (1) detect the current angle at viewing mobile terminal device of user;
The picture angle of S2, picture adjusting module (2) adjustment shown by mobile terminal device, changes the visual focus of eyes of user;
S3, time block (3) carry out timing controlled according to detection frequency, perform S1 and S2 at interval of a period of time circulation.
7. the method reducing the visual fatigue degree of viewing mobile terminal device as claimed in claim 6, it is characterized in that, described S1 comprises following steps:
S11, face identification unit (11) carry out recognition of face to the current user watching mobile terminal device, find user's pupil position;
S12, distance sensing unit (12) detect the vertical range and air line distance that obtain between user's pupil and mobile terminal device;
S13, elevation angle computing unit (13) detect the vertical range between user's pupil and mobile terminal device and air line distance that obtain, calculate angle between user's pupil and mobile terminal device to determine that user watches the angle of mobile terminal device.
8. the method reducing the visual fatigue degree of viewing mobile terminal device as claimed in claim 7, it is characterized in that, described S11 comprises following steps:
S111, collecting unit (111) carry out acquisition and recording to the current facial image information watching the user of mobile terminal device;
S112, extraction unit (112) receive user's facial image information, and extract the face feature data of this user;
S113, matching unit (113) are according to extracted user's face feature data, and correspondence finds the pupil position of user.
9. the method reducing the visual fatigue degree of viewing mobile terminal device as claimed in claim 8, is characterized in that, described distance sensing unit (12) is arrange distance-sensor on the mobile terminal device; Described collecting unit (111) is arrange front-facing camera on the mobile terminal device; Air line distance between described user's pupil and mobile terminal device refers to, the air line distance between the front-facing camera on user's pupil and mobile terminal device.
10. the method reducing the visual fatigue degree of viewing mobile terminal device as claimed in claim 7, it is characterized in that, described S2 comprises following steps:
S21, picture 2D rotary unit (21) are according to the user's viewing angle calculated, and carry out 2D rotation to the picture shown by mobile terminal device, the anglec of rotation is user's viewing angle;
The rotational speed of S22, picture rotation control unit (22) control interface 2D rotary unit (21).
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| CN106896999A (en) * | 2017-01-06 | 2017-06-27 | 广东小天才科技有限公司 | Mirror simulation method and device for mobile terminal |
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Application publication date: 20150325 |