CN104125327A - Screen rotation control method and system - Google Patents
Screen rotation control method and system Download PDFInfo
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- CN104125327A CN104125327A CN201310156508.6A CN201310156508A CN104125327A CN 104125327 A CN104125327 A CN 104125327A CN 201310156508 A CN201310156508 A CN 201310156508A CN 104125327 A CN104125327 A CN 104125327A
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Abstract
A screen rotation control method is disclosed. The method comprises the following steps: acquiring data of mobile device changes in the direction of gravity sensor detected; when the direction of change data reaches a preset rotating standard, control lens head start, and shoot users currently face image; processing the face image, recognize the position of eyes; coordinate calculation eyes on the screen according to the coordinate value; the value judgment of eyes, eyes on the screen direction; when the eyes in a vertical direction on the screen, to adjust the screen the screen display screen for transverse direction; when the eyes in a horizontal direction on the screen to adjust the screen, the screen display the vertical screen orientation. The invention also provides a screen rotation control system. The rotation mode of the invention can improve the mobile phone screen, make the picture appear natural and human consistent reading way.
Description
Technical field
The present invention relates to a kind of mobile phone control method and system, especially relate to a kind of screen rotation control method and system.
Background technology
On at present a lot of mobile phones, have gravity sensor, can utilize gravity sensor to detect three-dimensional variation, calculate the current gravity direction of mobile phone, the picture of controlling mobile phone screen is horizontal screen or perpendicular screen.But people use the custom of mobile phone and posture to be not quite similar.Somebody's use that is seated, somebody's use of standing, somebody just likes that recumbency plays, the time of walking also having does not let slip.Therefore under various complicated situation, the picture display direction of the mobile phone screen calculating according to the detecting result of gravity sensor, does not likely conform to the mode of human eye natural reading.For example, when user lies on one's side use mobile phone, mobile phone is traverse with respect to the direction on ground, and the result of the gravity sensor of take judgement is horizontal screen, but the natural reading mode of human eye is perpendicular screen, has the difference of 90 degree between the two.
Summary of the invention
In view of above content, be necessary to provide a kind of screen rotation control method, can improve the rotation mode of mobile phone screen picture, picture is presented with the mode of human eye natural reading and conform to.
In view of above content, be also necessary to provide a kind of screen rotation control system, can improve the rotation mode of mobile phone screen picture, picture is presented with the mode of human eye natural reading and conform to.
Described screen rotation control method comprises: obtaining step: the direction delta data that obtains the described mobile device that the gravity sensor of mobile device detects; Control step: when described direction delta data reaches default rotation standard, the preposition camera lens of controlling described mobile device starts, and takes the current facial image of user; Treatment step: process described facial image, identify the position of eyes in facial image; Calculation procedure: according to the position of described eyes, calculate the coordinate figure of eyes in the screen of described mobile device; Determining step: according to the coordinate figure of described eyes, judge the direction of described eyes on described screen; The first set-up procedure: when described eyes are vertical direction on described screen, the picture disply of adjusting in described screen is horizontal screen direction; And second set-up procedure: when described eyes are on described screen in horizontal direction time, the picture disply of adjusting in described screen is perpendicular screen direction.
Described screen rotation control system comprises: acquisition module, for obtaining the direction delta data of the described mobile device that the gravity sensor of mobile device detects; Control module, when reaching default rotation standard when described direction delta data, the preposition camera lens of controlling described mobile device starts, and takes the current facial image of user; Processing module, for the treatment of described facial image, identifies the position of eyes in facial image; Computing module, for according to the position of described eyes, calculates the coordinate figure of eyes in the screen of described mobile device; Judge module, for according to the coordinate figure of described eyes, judges the direction of described eyes on described screen; Adjusting module, for when described eyes are vertical direction on described screen, the picture disply of adjusting in described screen is horizontal screen direction; And described adjusting module is also for when described eyes are on described screen in horizontal direction time, the picture disply of adjusting in described screen is perpendicular screen direction.
Compared to prior art, described screen rotation control method and system, can be in conjunction with the position of the data of gravity sensor detecting and user's eyes of preposition lens shooting, accurately judge the direction that the picture in the screen of mobile device should show, picture is presented meet the mode of human eye natural reading.
Accompanying drawing explanation
Fig. 1 is the running environment figure of screen rotation control system of the present invention preferred embodiment.
Fig. 2 is the functional block diagram of screen rotation control system of the present invention preferred embodiment.
Fig. 3 is the flow chart of screen rotation control method of the present invention preferred embodiment.
Fig. 4 is the schematic diagram of preposition lens shooting facial image in the present invention.
Fig. 5 is the schematic diagram of the coordinate system of screen in the present invention.
Fig. 6 A-6B is the coordinate schematic diagram of eyes in screen in the present invention.
Fig. 7 A-7B is the screen-picture display direction schematic diagram in the present invention.
Main element symbol description
| Mobile device | 1 |
| Screen rotation control system | 10 |
| Gravity sensor | 20 |
| Preposition camera lens | 30 |
| Facial image | 31 |
| Screen | 40 |
| Picture | 41 |
| Memory | 50 |
| Processor | 60 |
| Acquisition module | 100 |
| Judge module | 200 |
| Control module | 300 |
| Processing module | 400 |
| Computing module | 500 |
| Adjusting module | 600 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Consulting shown in Fig. 1, is the running environment figure of screen rotation control system of the present invention preferred embodiment.Described screen rotation control system 10 runs in mobile device 1, and described mobile device 1 can be the movably electronic installation such as mobile phone, panel computer.In described mobile device 1, also comprise gravity sensor 20, preposition camera lens 30, screen 40, memory 50 and processor 60.
Described gravity sensor 20 changes for the direction of mobile device described in detecting real-time 1.Described preposition camera lens 30 is for taking facial image 31.Described screen 40 offers for showing the picture 41 that user reads.Described memory 50 is for storing the data such as program code of described screen rotation control system 10.Described processor 60 is for carrying out each functional module of described screen rotation control system 10, to complete the present invention.
Consulting shown in Fig. 2, is the functional block diagram of screen rotation control system of the present invention preferred embodiment.
Described screen rotation control system 10 comprises acquisition module 100, judge module 200, control module 300, processing module 400, computing module 500 and adjusting module 600.
Described acquisition module 100 is for the direction delta data of the described mobile device 1 that obtains described gravity sensor 20 and detect.Described direction delta data is the angle that described mobile device 1 changes in three dimensions.
Described judge module 200 changes for judge the direction of described mobile device 1 according to described direction delta data the default rotation standard that whether reaches.In the present embodiment, described rotation standard is 45 degree, and the angle changing when described mobile device 1 is greater than 45 while spending, and reaches rotation standard, and the screen 40 of described mobile device 1 need to be adjusted the display direction of picture 41.
Described control module 300, for when described direction changes the rotation standard that reaches default, is controlled described preposition camera lens 30 and is started, and take the current facial image 31(of user and consult shown in Fig. 4).Described facial image 31 includes user when the full-screen image of forefathers' face position and background for what described preposition camera lens 30 was taken.
Described processing module 400, for the treatment of described facial image 31, identifies the position of eyes in facial image 31.
Particularly, the facial image 31 that first described processing module 400 photographs from described preposition camera lens 30, utilize face recognition technology to identify people's face.Described face recognition technology has a variety of, as the recognition of face of the recognition of face of geometric properties, neural net, the recognition of face of elastic graph coupling, the recognition of face of SVMs etc.In the present embodiment, adopt the face recognition technology of geometric properties.After identifying people's face, described processing module 400 is extracted the facial characteristics information of people's face, utilizes characteristic vector method to determine the attributes such as position of eyes.
Described computing module 500, for according to the position of described eyes, calculates the coordinate figure of eyes in described screen 40.In the present embodiment, the lower boundary of described screen 40 when mobile device 1 forward is placed of take is X-axis, and left margin is Y-axis, and the lower left corner is that the origin of coordinates is set up coordinate system (consulting shown in Fig. 5).
Described judge module 200 also, for according to the coordinate figure of described eyes, judges the direction of described eyes on described screen 40.The direction of described eyes on described screen 40 comprises horizontal direction and vertical direction.In the present embodiment, when the line of described eyes coordinate is during perpendicular to X-axis or for example, approximately perpendicular to X-axis (angle of described line and X-axis is between 80 degree and 90 degree), judge that described eyes are vertical direction on described screen 40.For example, when the line of described eyes coordinate is parallel to X-axis or approximate while being parallel to X-axis (angle of described line and X-axis is between 0 degree and 10 is spent), judge described eyes on described screen 40 in horizontal direction.
For example, suppose that in described facial image 31, the coordinate figure of left eye in described screen 40 is (3,3), the coordinate figure of right eye in described screen 40 is (3,5), the line of described eyes, perpendicular to X-axis, judges that described eyes are vertical direction (consulting shown in Fig. 6 A) on described screen 40.Suppose that in described facial image 31, the coordinate figure of left eye in described screen 40 is (4,5), the coordinate figure of right eye in described screen 40 is (2,5), the line of described eyes is parallel to X-axis, judges that described eyes (consult shown in Fig. 6 B) in horizontal direction on described screen 40.
Described adjusting module 600 is for when described eyes are vertical direction on described screen 40, and the picture 41 of adjusting in described screen 40 is shown as horizontal screen direction (consulting shown in Fig. 7 A).
Described adjusting module 600 is also for when described eyes are on described screen 40 in horizontal direction time, and the picture 41 of adjusting in described screen 40 is shown as perpendicular screen direction (consulting shown in Fig. 7 B).
Described control module 300 also, for after the display direction of picture 41 of having adjusted described screen 40, is controlled described preposition camera lens 30 and is closed.
Consulting shown in Fig. 3, is the flow chart of screen rotation control method of the present invention preferred embodiment.
Step S10, described acquisition module 100 obtains the direction delta data of the described mobile device 1 that described gravity sensor 20 detects.
Step S12, described judge module 200 judges that according to described direction delta data the direction of described mobile device 1 changes the default rotation standard that whether reaches.If described direction changes, reach default rotation standard, perform step S14.If described direction changes, do not reach default rotation standard, return to step S10, continue to obtain the direction delta data of the described mobile device 1 that described gravity sensor 20 detects.
Step S14, described control module 300 is controlled described preposition camera lens 30 and is started, and takes the current facial image 31 of user.
Step S16, described processing module 400 is processed described facial image 31, identifies the position of eyes in facial image 31.
Step S18, described computing module 500, according to the position of described eyes, calculates the coordinate figure of eyes in described screen 40.
Step S20, described judge module 200, according to the coordinate figure of described eyes, judges the direction of described eyes on described screen 40.The direction of described eyes on described screen 40 comprises horizontal direction and vertical direction.If described eyes are vertical direction on described screen 40, perform step S22.If described eyes in horizontal direction, perform step S24 on described screen 40.
Step S22, the picture 41 that described adjusting module 600 is adjusted in described screen 40 is shown as horizontal screen direction, then performs step S26.
Step S24, the picture 41 that described adjusting module 600 is adjusted in described screen 40 is shown as perpendicular screen direction, then performs step S26.
Step S26, described control module 300 is controlled described preposition camera lens 30 and is closed.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not depart from the spirit and scope of technical solution of the present invention.
Claims (12)
1. a screen rotation control method, is characterized in that, the method comprises:
Obtaining step: the direction delta data that obtains the described mobile device that the gravity sensor of mobile device detects;
Control step: when described direction delta data reaches default rotation standard, the preposition camera lens of controlling described mobile device starts, and takes the current facial image of user;
Treatment step: process described facial image, identify the position of eyes in facial image;
Calculation procedure: according to the position of described eyes, calculate the coordinate figure of eyes in the screen of described mobile device;
Determining step: according to the coordinate figure of described eyes, judge the direction of described eyes on described screen;
The first set-up procedure: when described eyes are vertical direction on described screen, the picture disply of adjusting in described screen is horizontal screen direction; And
The second set-up procedure: when described eyes are on described screen in horizontal direction time, the picture disply of adjusting in described screen is perpendicular screen direction.
2. screen rotation control method as claimed in claim 1, is characterized in that, described rotation standard is 45 degree, and the angle changing when described mobile device is greater than 45 while spending, and reaches rotation standard.
3. screen rotation control method as claimed in claim 1, is characterized in that, what described facial image was described preposition lens shooting includes user when the full-screen image of forefathers' face position and background.
4. screen rotation control method as claimed in claim 1, is characterized in that, described treatment step also comprises:
The facial image that utilizes face recognition technology to photograph from described preposition camera lens, identify people's face; And
Extract the facial characteristics information of people's face, utilize characteristic vector method to determine the position of eyes.
5. screen rotation control method as claimed in claim 1, is characterized in that, the lower boundary of described screen when mobile device forward is placed of take is X-axis, and left margin is Y-axis, and the lower left corner is that the origin of coordinates is set up coordinate system.
6. screen rotation control method as claimed in claim 5, is characterized in that, when the line of described eyes coordinate is during perpendicular to X-axis or approximately perpendicular to X-axis, judges that described eyes are vertical direction on described screen;
When the line of described eyes coordinate is parallel to X-axis or approximate while being parallel to X-axis, judge described eyes on described screen in horizontal direction.
7. a screen rotation control system, is characterized in that, this system comprises:
Acquisition module, for obtaining the direction delta data of the described mobile device that the gravity sensor of mobile device detects;
Control module, when reaching default rotation standard when described direction delta data, the preposition camera lens of controlling described mobile device starts, and takes the current facial image of user;
Processing module, for the treatment of described facial image, identifies the position of eyes in facial image;
Computing module, for according to the position of described eyes, calculates the coordinate figure of eyes in the screen of described mobile device;
Judge module, for according to the coordinate figure of described eyes, judges the direction of described eyes on described screen;
Adjusting module, for when described eyes are vertical direction on described screen, the picture disply of adjusting in described screen is horizontal screen direction; And
Described adjusting module is also for when described eyes are on described screen in horizontal direction time, and the picture disply of adjusting in described screen is perpendicular screen direction.
8. screen rotation control system as claimed in claim 7, is characterized in that, described rotation standard is 45 degree, and the angle changing when described mobile device is greater than 45 while spending, and reaches rotation standard.
9. screen rotation control system as claimed in claim 7, is characterized in that, what described facial image was described preposition lens shooting includes user when the full-screen image of forefathers' face position and background.
10. screen rotation control system as claimed in claim 7, it is characterized in that, the facial image that described processing module utilizes face recognition technology to photograph from described preposition camera lens, identify people's face, extract the facial characteristics information of people's face, utilize characteristic vector method to determine the position of eyes.
11. screen rotation control system as claimed in claim 7, is characterized in that, the lower boundary of described screen when mobile device forward is placed of take is X-axis, and left margin is Y-axis, and the lower left corner is that the origin of coordinates is set up coordinate system.
12. screen rotation control system as claimed in claim 11, is characterized in that, when the line of described eyes coordinate is during perpendicular to X-axis or approximately perpendicular to X-axis, judge that described eyes are vertical direction on described screen;
When the line of described eyes coordinate is parallel to X-axis or approximate while being parallel to X-axis, judge described eyes on described screen in horizontal direction.
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| CN103997670A (en) * | 2014-05-05 | 2014-08-20 | 深圳市九洲电器有限公司 | Control method and control system for application on set top box |
| WO2015149498A1 (en) * | 2014-04-02 | 2015-10-08 | 百度在线网络技术（北京）有限公司 | Method and device for switching screen modes, computer storage medium and equipment |
| CN104978130A (en) * | 2015-06-16 | 2015-10-14 | 联想(北京)有限公司 | Information processing method and intelligent terminal |
| CN105573488A (en) * | 2014-10-30 | 2016-05-11 | 三星电子株式会社 | Method and apparatus for controlling screen display on electronic devices |
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| CN105573488A (en) * | 2014-10-30 | 2016-05-11 | 三星电子株式会社 | Method and apparatus for controlling screen display on electronic devices |
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| CN106648056A (en) * | 2016-09-30 | 2017-05-10 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for switching between landscape display and portrait display of mobile terminal |
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| CN106951078A (en) * | 2017-03-16 | 2017-07-14 | 维沃移动通信有限公司 | A kind of horizontal/vertical screen changing method and mobile terminal |
| CN106951078B (en) * | 2017-03-16 | 2021-01-08 | 维沃移动通信有限公司 | Horizontal and vertical screen switching method and mobile terminal |
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| CN113900525A (en) * | 2021-10-29 | 2022-01-07 | 深圳Tcl数字技术有限公司 | Digital human display method and device and display equipment |
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