CN103024191A - Screen rotating method, screen rotating device and mobile terminal - Google Patents
Screen rotating method, screen rotating device and mobile terminal Download PDFInfo
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- CN103024191A CN103024191A CN201210563551XA CN201210563551A CN103024191A CN 103024191 A CN103024191 A CN 103024191A CN 201210563551X A CN201210563551X A CN 201210563551XA CN 201210563551 A CN201210563551 A CN 201210563551A CN 103024191 A CN103024191 A CN 103024191A
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Abstract
The invention is applicable to the field of mobile terminals and provides a screen rotating method, a screen rotating device and a mobile terminal. The screen rotating method includes acquiring position information of two eyes, obtaining a forward sight line the two eyes are located according to the position information, and adjusting the display direction of a screen display picture according to the forward sight line. When in use of the mobile terminal, the screen display picture of the mobile terminal is adjusted to the direction of the forward sight line of the eyes of the user so as to be convenient for browsing by the user and prevent eye diseases.
Description
Technical field
The invention belongs to field of mobile terminals, relate in particular to a kind of screen rotation method, device and portable terminal.
Background technology
In recent years, gravity sensor is quite extensive in the application of portable terminal.Gravity sensor in the application of portable terminal is: the on-screen displays of portable terminal, and along with being subject to gravitational direction, portable terminal changes, be fit to the picture angle that the user watches and be adjusted at any time; Yet there are the following problems using: when portable terminal is in lower time of motion of other non-gravitational acceleration direction, can't accurately on-screen displays be rotated the angle of watching on-screen displays to gravity direction.
The on-screen displays direction that suitable mobile phone users is watched not necessarily has absolute relation with the earth gravity direction, and for example: when user's recumbency used portable terminal, the picture angle that suitable user watches was just irrelevant with earth gravity; In this kind situation, the on-screen displays angle that the most suitable user watches should be the direction that eyes are faced.
Summary of the invention
The purpose of the embodiment of the invention is to provide the screen rotation method, when using portable terminal to solve, how to realize the on-screen displays of portable terminal is adjusted to the problem that eyes are faced.
The embodiment of the invention is achieved in that a kind of screen rotation method, and described method comprises:
Obtain the positional information of two eyes;
According to described positional information, obtain the positive sight line that described two eyes are in;
Adjust the display direction of on-screen displays according to described positive sight line.
Another purpose of the embodiment of the invention is to provide a kind of screen rotating device, and described device comprises:
Location information acquiring unit is for the positional information of obtaining two eyes;
Face the unit, be used for according to described positional information, obtain the positive sight line that described two eyes are in;
Show adjustment unit, be used for adjusting according to described positive sight line the display direction of on-screen displays.
Another purpose of the embodiment of the invention is to provide a kind of portable terminal, and described portable terminal comprises above-mentioned screen rotating device.
The invention provides a kind of screen rotation method, device and portable terminal, the present invention is by obtaining the positional information of two eyes, according to described positional information, obtain the positive sight line that described two eyes are in, adjust the display direction of on-screen displays according to described positive sight line; When using portable terminal, the present invention has realized the on-screen displays of portable terminal is adjusted to the direction of the positive sight line of eyes of user, so that the user browses prevention illness in eye.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the realization flow figure of the screen rotation method that provides of the embodiment of the invention one;
Fig. 2 is the composition structure chart of the screen rotating device that provides of the embodiment of the invention two.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
For technical solutions according to the invention are described, describe below by specific embodiment.
Embodiment one:
Fig. 1 shows the screen rotation realization flow that first embodiment of the invention provides, and details are as follows for its process:
Step S101 obtains the positional information of two eyes.
The mode of the positional information of two eyes of acquisition for mobile terminal can for: adopt the modes such as the camera of portable terminal or video camera to obtain.
When adopting camera or video camera to get access to face's picture (for example adopting the front-facing camera in the portable terminal to get access to face's picture), from described face picture, find two eyes by image processing techniques, and determine the positional information of described two eyes by plane coordinate system.
Described positional information includes but not limited to the coordinate information of two eyes.
Step S102 according to described positional information, obtains the positive sight line that described two eyes are in.
Described positive sight line can for: 2 with two eyes places are linked to be line of vector, and the angle of described line of vector is the angle of two positive apparent times.
As one embodiment of the invention, described according to described positional information, obtain the step of the positive sight line that described two eyes are in, can for:
According to described positional information, obtain positive sight line and positive angle that described two eyes are in, described positive angle is the angle of described positive sight line.
Location point by two eyes is linked to be positive sight line, when described positive sight line is in the horizontal coordinates, obtains described positive angle, and described positive sight line is line of vector.
Preferably, according to positional information, obtain positive sight line and positive angle that described two eyes are in, before the step of the angle that described positive angle is described positive sight line, can also comprise:
Set up plane coordinate system;
According to described plane coordinate system, determine horizontal line and the level angle of described current screen display frame, described level angle is described horizontal angle.
Described plane coordinate system can be common plane coordinate system; Generally, described plane coordinate system adopts plane right-angle coordinate.
The horizontal line of described current screen display frame is, when current screen display frame is watched from positive visual angle, and the abscissa of described current screen display frame.
Described horizontal line is line of vector.
After having pre-determined plane coordinate system, in described plane coordinate system, determine the horizontal line of current screen display frame, and determine simultaneously described level angle.
Preferably, according to described positional information, obtain positive sight line and positive angle that described two eyes are in, described positive angle is the step of the angle of described positive sight line, can for:
According to the positional information of described two eyes in described plane coordinate system, obtain described positive sight line and described positive angle that described two eyes are in.
After in described horizontal coordinates, determining the described horizontal line and described level angle of described current screen display frame, in the coordinate points of described horizontal coordinates with definite two eyes, according to the coordinate points of two eyes and the positive angle of eyes, the coordinate points of described two eyes is linked to be positive sight line, and obtain simultaneously positive angle, described positive sight line is line of vector.
Step S103 is according to the display direction of described positive sight line adjustment on-screen displays.
According to described positive sight line described on-screen displays is adjusted into the user and faces the on-screen displays of watching.
As one embodiment of the invention, describedly adjust the step of the display direction of on-screen displays according to described positive sight line, can for:
Whether whether direction is identical with described positive sight line to judge the horizontal line of current screen display frame, if not, then according to described face the described horizontal line of angle adjustment to and described positive sight line equidirectional.
When described horizontal line and described line parallel and the direction faced when identical, can determine that then the horizontal line of described current display frame and described positive sight line are unidirectional line of vector, then the angles of display of on-screen displays is not done any angle adjustment.
Generally, we only need to judge that described on-screen displays is fit to laterally show or vertical the demonstration, if described current screen shows that the direction of suitable direction and the demonstration of described current screen is inconsistent, the direction that then current screen is shown is adjusted into described current screen and shows the direction that is fit to, if described current screen shows that the direction that is fit to is consistent with the direction that described current screen shows, then do not do any adjustment, described current screen shows that the direction that suitable direction and described current screen show can be laterally to show or vertical demonstration; For example: after screen display having been done adjustment, if the direction that current screen shows is laterally to show, also be laterally to show if current screen shows the direction that is fit to, then do not adjust, if it is vertical the demonstration that current screen shows the direction that is fit to, then be adjusted into vertical demonstration.
Preferably, whether whether identical with described positive sight line at the horizontal line of judging current screen display frame, if not, then according to described face the described horizontal line of angle adjustment to the described step of facing line parallel, can for:
Whether whether parallel and described level angle is identical with described positive angle with described positive sight line to judge the described horizontal line of current screen display frame,
If described level angle is not identical with described positive angle, then with described positive angle and described positive sight line respectively as new height angle and the new height line of current screen display frame, or according to described level angle and described positive angle, described horizontal direction is adjusted to the direction of described positive sight line.
In plane coordinate system, when described horizontal line with described when facing line parallel or the described level angle arbitrary condition in identical with described positive angle and not satisfying, think that then described horizontal line and described positive sight line are not unidirectional line of vector, can adopt dual mode the described horizontal direction of current screen display frame to be adjusted into the direction of described positive sight line:
In plane coordinate system, directly with described positive angle and described positive sight line on-screen displays is shown, be about to described positive angle and described positive sight line respectively as new height angle and the new height line of current screen display frame;
In plane coordinate system, to obtain the angle difference of described positive angle and described level angle, according to described angle difference, described horizontal direction is adjusted to the direction of described positive sight line according to described level angle and described positive angle.
Present embodiment provides the screen rotation method, by obtaining the positional information of two eyes, according to described positional information, obtain positive sight line and positive angle that described two eyes are in, described positive angle is the angle of described positive sight line, whether whether direction is identical with described positive sight line to judge the horizontal line of current screen display frame, if not, then according to described face the described horizontal line of angle adjustment to and described positive sight line equidirectional; When using portable terminal, present embodiment provides a kind of on-screen displays with portable terminal to adjust to the new solution that eyes are faced demonstration, so that the user browses prevention illness in eye.
Embodiment two:
Fig. 2 shows the composition structure of the screen rotating device that second embodiment of the invention provides, and for convenience of description, only shows the part relevant with the embodiment of the invention.
Should can be to run on the unit that software unit, hardware cell or software and hardware in each terminal equipment (for example panel computer, smart mobile phone) combine based on screen rotating device, also can be used as independently, suspension member be integrated in the described terminal equipment or runs in the application system of described terminal equipment.
Present embodiment provides screen rotating device, can comprise location information acquiring unit 21, faces unit 22 and show adjustment unit 23, and wherein details are as follows for each functional unit:
Location information acquiring unit 21 is for the positional information of obtaining two eyes.
The mode of the positional information of two eyes of acquisition for mobile terminal can for: adopt the modes such as the camera of portable terminal or video camera to obtain.
When adopting camera or video camera to get access to face's picture (for example adopting the front-facing camera in the portable terminal to get access to face's picture), location information acquiring unit 21 finds two eyes by image processing techniques from described face picture, and determines the positional information of described two eyes by plane coordinate system.
Described positional information includes but not limited to the coordinate information of two eyes.
Described positive sight line can for: 2 with two eyes places are linked to be line of vector, and the angle of described line of vector is the angle of two positive apparent times.
As one embodiment of the invention, the described unit 22 of facing can also be used for according to location information acquiring unit 21 described positional informations, obtains positive sight line and positive angle that described two eyes are in, and described positive angle is the angle of described positive sight line.
Location point by two eyes is linked to be positive sight line, when described positive sight line is in the horizontal coordinates, obtains described positive angle, and described positive sight line is line of vector.
Preferably, described device can also comprise:
Coordinate system unit 24 is used for setting up plane coordinate system.
Described plane coordinate system can be common plane coordinate system; Generally, described plane coordinate system adopts plane right-angle coordinate.
The horizontal line of described current screen display frame is, when current screen display frame is watched from positive visual angle, and the abscissa of described current screen display frame.
Described horizontal line is line of vector.
After having pre-determined plane coordinate system, current display unit 25 is determined the horizontal line of current screen display frame in described plane coordinate system, and determines simultaneously described level angle.
Preferably, the described unit 22 of facing can also be used for:
According to the positional information of described two eyes in described plane coordinate system, obtain positive sight line and positive angle that described two eyes are in.
After in described horizontal coordinates, determining the described horizontal line and described level angle of described current screen display frame, face unit 22 in the coordinate points of described horizontal coordinates with definite two eyes, according to the coordinate points of two eyes and the positive angle of eyes, the coordinate points of described two eyes is linked to be positive sight line, and obtain simultaneously positive angle, described positive sight line is line of vector.
In the present embodiment, show that adjustment unit 23 is adjusted into the user according to described positive sight line with described on-screen displays and faces the on-screen displays of watching.
As one embodiment of the invention, described demonstration adjustment unit 23, whether whether direction is identical with facing unit 22 described positive sight lines can be used for judging the horizontal line of current screen display frame, if not, then arrive and described positive sight line equidirectional according to facing the unit 22 described described horizontal lines of angle adjustment of facing.
When described horizontal line and described line parallel and the direction faced when identical, 23 of adjustment units of demonstration can determine that the horizontal line of described current display frame and described positive sight line are unidirectional line of vector, then the angles of display of on-screen displays are not done any angle adjustment.
Generally, we only need to judge that described on-screen displays is fit to laterally show or vertical the demonstration, if described current screen shows that the direction of suitable direction and the demonstration of described current screen is inconsistent, show that then the direction that adjustment unit 23 shows current screen is adjusted into the direction that described current screen demonstration is fit to, if described current screen shows that the direction that is fit to is consistent with the direction that described current screen shows, then do not do any adjustment; For example: after screen display having been done adjustment, if the direction that current screen shows is laterally to show, if it also is laterally to show that current screen shows the direction that is fit to, show that then adjustment unit 23 does not adjust, if it is vertical the demonstration that current screen shows the direction that is fit to, show that then adjustment unit 23 is adjusted into vertical demonstration.
Preferably, described current display unit 23 can comprise:
Judging unit 231, whether whether parallel and described level angle is identical with described positive angle with described positive sight line for the described horizontal line of judging current screen display frame.
In plane coordinate system, when described horizontal line with described when facing line parallel or the described level angle arbitrary condition in identical with described positive angle and not satisfying, 231 of judging units think that described horizontal line and described positive sight line are not unidirectional line of vector, and adjustment unit 232 can adopt dual mode the described horizontal direction of current screen display frame to be adjusted into the direction of described positive sight line:
In plane coordinate system, directly on-screen displays is shown with described positive angle and described positive sight line, be about to described positive angle and described positive sight line respectively as new height angle and the new height line of current screen display frame;
In plane coordinate system, to obtain the angle difference of described positive angle and described level angle, according to described angle difference, described horizontal direction is adjusted to the direction of described positive sight line according to described level angle and described positive angle.
Present embodiment provides a kind of screen rotating device, location information acquiring unit is obtained the positional information of two eyes, face the unit according to described positional information, obtain positive sight line and positive angle that described two eyes are in, described positive angle is the angle of described positive sight line, show and to judge the horizontal line of current screen display frame by adjustment unit whether whether direction is identical with described positive sight line, if not, then arrive and described positive sight line equidirectional according to the described described horizontal line of angle adjustment of facing; Present embodiment has realized that the on-screen displays of portable terminal is adjusted to eyes faces demonstration, so that the user browses prevention illness in eye.
As one embodiment of the invention, the present invention also provides a kind of portable terminal, and described portable terminal comprises the screen rotating device described in the embodiment two.
The embodiment of the invention provides a kind of screen rotation method, device and portable terminal, by obtaining the positional information of two eyes, according to described positional information, obtain positive sight line and positive angle that described two eyes are in, described positive angle is the angle of described positive sight line, whether whether direction is identical with described positive sight line to judge the horizontal line of current screen display frame, if not, then according to described face the described horizontal line of angle adjustment to and described positive sight line equidirectional; When using portable terminal, the invention provides a kind of screen rotation method, the on-screen displays of portable terminal is adjusted to the positive angle of eyes in real time show, so that the user browses prevention illness in eye.
It will be appreciated by those skilled in the art that the unit that comprises for above-described embodiment two is to divide according to function logic, but be not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional unit also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
Those of ordinary skills it is also understood that, realize that all or part of step in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be in being stored in a computer read/write memory medium, described storage medium comprises ROM/RAM, disk, CD etc.
Above content is the further description of the present invention being done in conjunction with concrete preferred implementation, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention; make without departing from the inventive concept of the premise some alternative or obvious modification that are equal to; and performance or purposes are identical, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of submitting to.
Claims (9)
1. a screen rotation method is characterized in that, described method comprises:
Obtain the positional information of two eyes;
According to described positional information, obtain the positive sight line that described two eyes are in;
Adjust the display direction of on-screen displays according to described positive sight line.
2. the method for claim 1 is characterized in that, and is described according to described positional information, obtains the step of the positive sight line that described two eyes are in, and is specially:
According to described positional information, obtain positive sight line and positive angle that described two eyes are in, described positive angle is the angle of described positive sight line;
Describedly adjust the step of the display direction of on-screen displays according to described positive sight line, be specially:
Whether whether direction is identical with described positive sight line to judge the horizontal line of current screen display frame, if not, then according to described face the described horizontal line of angle adjustment to and described positive sight line equidirectional.
3. method as claimed in claim 2 is characterized in that, according to described positional information, obtains positive sight line and positive angle that described two eyes are in, before the step of the angle that described positive angle is described positive sight line, also comprises:
Set up plane coordinate system;
According to described plane coordinate system, determine horizontal line and the described level angle of described current screen display frame, described level angle is described horizontal angle.
According to described positional information, obtain positive sight line and positive angle that described two eyes are in, described positive angle is the step of the angle of described positive sight line, is specially:
According to the positional information of described two eyes in described plane coordinate system, obtain described positive sight line and described positive angle that described two eyes are in.
4. method as claimed in claim 3, it is characterized in that, whether whether identical with described positive sight line at the horizontal line of judging current screen display frame, if not, then according to described face the described horizontal line of angle adjustment to the described step of facing line parallel, be specially:
Whether whether parallel and described level angle is identical with described positive angle with described positive sight line to judge the described horizontal line of current screen display frame,
If described level angle is not identical with described positive angle, then with described positive angle and described positive sight line respectively as new height angle and the new height line of current screen display frame, or according to described level angle and described positive angle, described horizontal direction is adjusted to the direction of described positive sight line.
5. a screen rotating device is characterized in that, described device comprises:
Location information acquiring unit is for the positional information of obtaining two eyes;
Face the unit, be used for according to described positional information, obtain the positive sight line that described two eyes are in;
Show adjustment unit, be used for adjusting according to described positive sight line the display direction of on-screen displays.
6. device as claimed in claim 5 is characterized in that, the described unit of facing, and concrete being used for according to described positional information, obtain positive sight line and positive angle that described two eyes are in, described positive angle is the angle of described positive sight line;
Described demonstration adjustment unit, whether whether direction is identical with described positive sight line for concrete horizontal line for judging current screen display frame, if not, then arrives and described positive sight line equidirectional according to the described described horizontal line of angle adjustment of facing.
7. device as claimed in claim 6 is characterized in that, described device also comprises:
The coordinate system unit is used for setting up plane coordinate system;
Current display unit is used for according to described plane coordinate system, determines horizontal line and the described level angle of described current screen display frame, and described level angle is described horizontal angle.
The described unit of facing more specifically is used for: according to the positional information of described two eyes at described plane coordinate system, obtain positive sight line and positive angle that described two eyes are in.
8. device as claimed in claim 7 is characterized in that, described current display unit also comprises:
Judging unit, whether whether parallel and described level angle is identical with described positive angle with described positive sight line for the described horizontal line of judging current screen display frame;
Adjustment unit, if it is not identical with described positive angle to be used for described level angle, then with described positive angle and described positive sight line respectively as new height angle and the new height line of current screen display frame, or according to described level angle and described positive angle, described horizontal direction is adjusted to the direction of described positive sight line.
9. a portable terminal is characterized in that, described portable terminal comprises that claim 4 is to each described screen rotating device of claim 8.
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| CN201210563551XA CN103024191A (en) | 2012-12-21 | 2012-12-21 | Screen rotating method, screen rotating device and mobile terminal |
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