CN102760024A - Screen picture rotating method and system - Google Patents
Screen picture rotating method and system Download PDFInfo
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- CN102760024A CN102760024A CN2011101049539A CN201110104953A CN102760024A CN 102760024 A CN102760024 A CN 102760024A CN 2011101049539 A CN2011101049539 A CN 2011101049539A CN 201110104953 A CN201110104953 A CN 201110104953A CN 102760024 A CN102760024 A CN 102760024A
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Abstract
The invention relates to a screen picture rotating method which comprises the steps as follows: setting the initial direction information of a picture in the screen of electronic equipment, namely the initial direction information of human face T-shaped vector; scanning utilizing a prepositioned camera head of the electronic equipment, and recognizing human face from the scanned background utilizing a face recognition technology; building the current human face T-shaped vector; comparing the current human face T-shaped vector with the initial human face T-shaped vector to obtain angle difference; and rotating the picture in the screen to be consistent with the current human face T-shaped vector direction according to the angle difference. The invention further provides a screen picture rotating system. According to the invention, 360-degree rotation of the picture in the screen of the electronic equipment can be realized.
Description
Technical field
The present invention relates to a kind of screen picture spinning solution and system.
Background technology
Along with the arrival in 3G epoch, the application of the preposition camera of electronic equipment is very general, and it has realized video calling, function such as take a picture certainly.And video camera, camera all have the function that people's face is captured now, aspect the information extraction of people's face immeasurable effect are being arranged.
In addition, the gravity sensing technology can be rotated the image of electronic equipment screen, and still, the directivity of gravity sensing is single, can only realize the image rotation of 90 degree.And the state of opening and closing that in use, needs its gravity sensing attribute of manual adjustment.Therefore, utilize the gravity sensing technology to carry out the screen picture rotation, in the effect that does not all reach intelligent image rotation on the anglec of rotation problem and on the practical operation comfort level.
Summary of the invention
In view of above content, be necessary to provide a kind of screen picture spinning solution, can realize 360 degree rotations of electronic equipment screen image.
In view of above content, also be necessary to provide a kind of screen picture rotary system, can realize 360 degree rotations of electronic equipment screen image.
Said screen picture spinning solution comprises: step is set: the inceptive direction information of the image in the electronic equipment screen is set, and when promptly the image in the screen does not rotate, the directional information of initial people's face " T " word vector; Identification step: utilize the preposition camera of electronic equipment to scan, from the background that scans, utilize face recognition technology to identify people's face; Establishment step:, set up current people's face " T " word vector according to the people's face information that identifies; Comparison step: more current people's face " T " word vector and initial people's face " T " word vector obtain differential seat angle; Rotation step: the image in the screen is rotated to consistent with current people's face " T " word vector according to this differential seat angle.
Said screen picture rotary system comprises: module is set, is used for being provided with the inceptive direction information of the image of electronic equipment screen, and when promptly the image in the screen does not rotate, the directional information of initial people's face " T " word vector; Identification module is used to utilize the preposition camera of electronic equipment to scan, and from the background that scans, utilizes face recognition technology to identify people's face; Set up module, be used for, set up current people's face " T " word vector according to the people's face information that identifies; Comparison module is used for more current people's face " T " word vector and initial people's face " T " word vector, obtains differential seat angle; Rotary module is used for rotating to the image of screen consistent with current people's face " T " word vector according to this differential seat angle.
Compared to prior art; Described screen picture spinning solution and system can confirm the positive apparent direction of people's face through the human face scanning technology, and then adjust the display direction of image in the screen; Realize 360 degree rotations of screen picture, made things convenient for the user to see the picture material in the screen clearly.
Description of drawings
Fig. 1 is the structural drawing of screen picture rotary system of the present invention preferred embodiment.
Fig. 2 is the functional block diagram of screen picture rotary system of the present invention preferred embodiment.
Fig. 3 A to Fig. 3 G is the synoptic diagram in the screen picture rotary course.
Fig. 4 is the process flow diagram of screen picture spinning solution of the present invention preferred embodiment.
The main element symbol description
| |
1 |
| The screen picture |
10 |
| |
20 |
| |
30 |
| Initial people's face " T " |
301 |
| Current people's face " T " |
302 |
| |
303 |
| Module is set | 100 |
| |
200 |
| Set up |
300 |
| |
400 |
| |
500 |
| |
600 |
Following embodiment will combine above-mentioned accompanying drawing to further specify the present invention.
Embodiment
As shown in Figure 1, be the structural drawing of screen picture rotary system of the present invention preferred embodiment.Said screen picture rotary system 10 runs in the electronic equipment 1.Also comprise preposition camera 20 and screen 30 in the said electronic equipment 1.In the present embodiment, said electronic equipment 1 is a mobile phone.
As shown in Figure 2, be the functional block diagram of screen picture rotary system of the present invention preferred embodiment.
Said screen picture rotary system 10 comprise module 100, identification module 200 be set, set up module 300, comparison module 400, judge module 500 and rotary module 600.
Said the inceptive direction information that module 100 is used for being provided with the image of screen 30 is set, when promptly the image in the screen 30 does not rotate, the directional information of initial people's face " T " word vector 301.In the present embodiment, the direction (consulting shown in Fig. 3 A) that direction vertically upward in the screen 30 is initial people's face " T " word vector 301 is set.
Said identification module 200 is used to utilize preposition camera 20 to scan, and from the background that scans, utilizes face recognition technology to identify people's face (consulting shown in Fig. 3 B).
If the temporary transient unidentified people's face that goes out of said identification module 200, then the image in the screen 30 does not rotate, and show according to inceptive direction, and said identification module 200 is proceeded recognition of face.
Said face recognition technology has a variety of, like the recognition of face of geometric properties, the recognition of face of neural network, 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.Said identification module 200 extracts the facial characteristics information of people's face, utilizes the proper vector method to confirm attributes such as the position of face profiles such as eye, nose, mouth, angle, calculates their geometric properties vector.Said geometric properties can be the shape and the geometric relationship between them (like distance each other) of eye, nose, mouth etc.
The said module 300 of setting up is used for according to the people's face information that identifies, and sets up current people's face " T " word vector 302.Consult shown in Fig. 3 C; The rectilinear direction that eyes are linked to be is as the horizontal direction of this current people's face " T " word vector 302; The rectilinear direction that nose and mouth are linked to be is as the vertical direction of this current people's face " T " word vector 302, and people's face " T " word that forms is identical with initial people's face " T " word size.
Said comparison module 400 is used for more current people's face " T " word vector 302 and initial people's face " T " word vector 301, obtains differential seat angle.
The leg-of-mutton center of gravity that is constituted with people's face " T " territory, block is rotary middle point 303 (consulting shown in Fig. 3 D); Be positive dirction with initial people's face " T " word vector 301 directions up again with people's face " T " word; Rotate to the current resulting angle [alpha] in people's face " T " word vector 302 positions, be said differential seat angle (consulting shown in Fig. 3 E).
Said judge module 500 is used to judge whether this differential seat angle exceeds predefined scope.When this differential seat angle does not exceed predefined scope, trigger said identification module 200 and proceed recognition of face.Said predefined scope can be 0 degree, also can see the angular range of the image in the screen 30 for the positive apparent direction of underwriter's face clearly, for example the 0-5 degree.
Said rotary module 600 is used for when this differential seat angle exceeds predefined scope, the image in the screen 30 is rotated to consistent with current people's face " T " word vector 302 directions according to this differential seat angle.Consult shown in Fig. 3 F; Image in the screen 30 is by direction (being CW this figure) anglec of rotation α from initial people's face " T " word vector 301 positions to current people's face " T " word vector 302 positions; Until consistent with current people's face " T " word vector 302 directions; Thereby guarantee that the image direction in the screen 30 is consistent with the positive apparent direction of people's face this moment, make things convenient for the user to see the picture material in the screen 30 clearly.
Said screen picture rotary system 10 is cast aside the gravity sensing technology; Confirm the positive apparent direction of people's face through the human face scanning technology; And then the display direction of image in the adjustment screen 30, realized that screen picture expands the rotation of 360 degree directions to from 90 degree rotations of single both direction in length and breadth.So just can guarantee no matter see in the process of the image of user in watching screen 30, can face picture material from that angle.Nowadays on the personalized modern electronic product market; The pattern demand of electronic equipment 1 also is more and more; We can no longer be that the image of the screen 30 of square shaped is rotated; The screen 30 of the diversified design of electronic devices 1 of individual character more, thus better realize the effect of image rotation.Especially when screen 30 was designed to circle, the image in the screen 30 carried out 360 degree rotations according to the positive apparent direction of people's face, and is clear more convenient when the user is watched.Consulting shown in Fig. 3 G, is when screen 30 is designed to circle, the image synoptic diagram after the image of inceptive direction and the anglec of rotation α.
As shown in Figure 4, be the process flow diagram of screen picture spinning solution of the present invention preferred embodiment.
Step S10 saidly is provided with the inceptive direction information that module 100 is provided with the image in the screen 30, when promptly the image in the screen 30 does not rotate, and the directional information of initial people's face " T " word vector 301.In the present embodiment, the direction (consulting shown in Fig. 3 A) that direction vertically upward in the screen 30 is initial people's face " T " word vector 301 is set.
Step S 12, and said identification module 200 utilizes preposition camera 20 to scan, and judge whether from the background that scans, to utilize face recognition technology to identify people's face (consulting shown in Fig. 3 B).If the temporary transient unidentified people's face that goes out of said identification module 200 then repeats this step S12.Identify people's face as if said identification module 200, then execution in step S14.
Said face recognition technology has a variety of, like the recognition of face of geometric properties, the recognition of face of neural network, 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.Said identification module 200 extracts the facial characteristics information of people's face, utilizes the proper vector method to confirm attributes such as the position of face profiles such as eye, nose, mouth, angle, calculates their geometric properties vector.Said geometric properties can be the shape and the geometric relationship between them (like distance each other) of eye, nose, mouth etc.
Step S14, the said module 300 of setting up is set up current people's face " T " word vector 302 according to the people's face information that identifies.Consult shown in Fig. 3 C; The rectilinear direction that eyes are linked to be is as the horizontal direction of this current people's face " T " word vector 302; The rectilinear direction that nose and mouth are linked to be is as the vertical direction of this current people's face " T " word vector 302, and people's face " T " word that forms is identical with initial people's face " T " word size.
Step S16, people's face " T " word vector 302 and initial people's face " T " word vector 301 that said comparison module 400 is more current obtain differential seat angle.The leg-of-mutton center of gravity that is constituted with people's face " T " territory, block is rotary middle point 303 (consulting shown in Fig. 3 D); Be positive dirction with initial people's face " T " word vector 301 directions up again with people's face " T " word; Rotate to the current resulting angle [alpha] in people's face " T " word vector 302 positions, be said differential seat angle (consulting shown in Fig. 3 E).
Step S 18, and said judge module 500 judges whether this differential seat angle exceeds predefined scope.Exceed predefined scope as if this differential seat angle, then execution in step S20.If this differential seat angle does not exceed predefined scope, then return step S12.Said predefined scope can be 0 degree, also can see the angular range of the image in the screen 30 for the positive apparent direction of underwriter's face clearly, for example the 0-5 degree.
Step S20, said rotary module 600 rotate to the image in the screen 30 consistent with current people's face " T " word vector 302 directions according to this differential seat angle.Consult shown in Fig. 3 F; Image in the screen 30 is by direction (being CW this figure) anglec of rotation α from initial people's face " T " word vector 301 positions to current people's face " T " word vector 302 positions; Until consistent with current people's face " T " word vector 302 directions; Thereby guarantee that the image direction in the screen 30 is consistent with the positive apparent direction of people's face this moment, make things convenient for the user to see the picture material in the screen 30 clearly.
In sum; Screen picture spinning solution of the present invention is cast aside the gravity sensing technology; Confirm the positive apparent direction of people's face through the human face scanning technology; And then the display direction of image in the adjustment screen 30, realized that screen picture expands the rotation of 360 degree directions to from 90 degree rotations of single both direction in length and breadth.So just can guarantee no matter see in the process of the image of user in watching screen 30, can face picture material from that angle.Nowadays on the personalized modern electronic product market; The pattern demand of electronic equipment 1 also is more and more; We can no longer be that the image of the screen 30 of square shaped is rotated; The screen 30 of the diversified design of electronic devices 1 of individual character more, thus better realize the effect of image rotation.Especially when screen 30 was designed to circle, the image in the screen 30 carried out 360 degree rotations according to the positive apparent direction of people's face, and is clear more convenient when the user is watched.Consulting shown in Fig. 3 G, is when screen 30 is designed to circle, the image synoptic diagram after the image of inceptive direction and the anglec of rotation α.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although the present invention is specified with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and the scope of technical scheme of the present invention.
Claims (8)
1. a screen picture spinning solution is characterized in that, this method comprises:
Step is set: the inceptive direction information of the image in the electronic equipment screen is set, when promptly the image in the screen does not rotate, the directional information of initial people's face " T " word vector;
Identification step: utilize the preposition camera of electronic equipment to scan, from the background that scans, utilize face recognition technology to identify people's face;
Establishment step:, set up current people's face " T " word vector according to the people's face information that identifies;
Comparison step: more current people's face " T " word vector and initial people's face " T " word vector obtain differential seat angle;
Rotation step: the image in the screen is rotated to consistent with current people's face " T " word vector according to this differential seat angle.
2. screen picture spinning solution as claimed in claim 1 is characterized in that, this method also comprises between said comparison step and rotation step:
Determining step: judge whether this differential seat angle exceeds predefined scope, then carry out said rotation step, then do not return said identification step if exceed if exceed.
3. screen picture spinning solution as claimed in claim 1 is characterized in that, the said direction vertically upward that is provided with in the step in the screen that is provided with is the initial vectorial direction of people's face " T " word.
4. screen picture spinning solution as claimed in claim 1 is characterized in that, adopts the face recognition technology of geometric properties to carry out recognition of face in the said identification step.
5. a screen picture rotary system is characterized in that, this system comprises:
Module is set, is used for being provided with the inceptive direction information of the image of electronic equipment screen, when promptly the image in the screen does not rotate, the directional information of initial people's face " T " word vector;
Identification module is used to utilize the preposition camera of electronic equipment to scan, and from the background that scans, utilizes face recognition technology to identify people's face;
Set up module, be used for, set up current people's face " T " word vector according to the people's face information that identifies;
Comparison module is used for more current people's face " T " word vector and initial people's face " T " word vector, obtains differential seat angle;
Rotary module is used for rotating to the image of screen consistent with current people's face " T " word vector according to this differential seat angle.
6. screen picture rotary system as claimed in claim 5 is characterized in that, this system also comprises:
Judge module; Be used for after said comparison module obtains differential seat angle; Judge whether this differential seat angle exceeds predefined scope, when exceeding, trigger the image in the said rotary module Rotation screen, when not exceeding, trigger said identification module and proceed recognition of face.
7. screen picture rotary system as claimed in claim 5 is characterized in that, the said module that is provided with is provided with the direction that direction vertically upward in the screen is initial people's face " T " word vector.
8. screen picture rotary system as claimed in claim 5 is characterized in that, said identification module adopts the face recognition technology of geometric properties to carry out recognition of face.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101049539A CN102760024A (en) | 2011-04-26 | 2011-04-26 | Screen picture rotating method and system |
| TW100114781A TW201243823A (en) | 2011-04-26 | 2011-04-28 | Screen image rotation method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101049539A CN102760024A (en) | 2011-04-26 | 2011-04-26 | Screen picture rotating method and system |
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| CN102760024A true CN102760024A (en) | 2012-10-31 |
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| CN2011101049539A Pending CN102760024A (en) | 2011-04-26 | 2011-04-26 | Screen picture rotating method and system |
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| TW (1) | TW201243823A (en) |
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