CN105511861A - Mobile terminal display control method and device - Google Patents
Mobile terminal display control method and device Download PDFInfo
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- CN105511861A CN105511861A CN201510859796.0A CN201510859796A CN105511861A CN 105511861 A CN105511861 A CN 105511861A CN 201510859796 A CN201510859796 A CN 201510859796A CN 105511861 A CN105511861 A CN 105511861A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/165—Detection; Localisation; Normalisation using facial parts and geometric relationships
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Abstract
The invention suits the information technical field, and provides a mobile terminal display control method and device; the method comprises the following steps: using a preposition camera to obtain a user facial preview image, and determining a left eye first coordinate, a right eye second coordinate and/or a lip third coordinate in the preview image; adjusting the display image on the mobile terminal according to the first coordinate, the second coordinate and/or the third coordinate. The method and device use the preposition camera to obtain the user facial preview image, and adjust the display image on the mobile terminal according to the two eyes and lip coordinates in the preview image; no gravity sensor is needed in displaying images, thus saving hardware cost of the mobile terminal; the method is simple in calculating process, small in computational complexity, and small in realization difficulty.
Description
Technical field
The invention belongs to areas of information technology, particularly relate to display control method and the device of mobile terminal.
Background technology
Existing mobile terminal generally determines the attitude of mobile terminal by gravity sensor, thus the direction of the display image of adjustment mobile terminal.In some cases, such as, when user lie upon its side and uses mobile terminal, user does not wish the direction of mobile terminal adjustment display image sometimes, but the attitude of the mobile terminal detected due to gravity sensor there occurs change, therefore adjusts the direction of display image.To sum up, the display control technology of existing mobile terminal depends on gravity sensor, and the accuracy of display and control is lower.
Summary of the invention
Given this, embodiments provide a kind of display control method and device of mobile terminal, depend on gravity sensor with the display control technology solving existing mobile terminal, the problem that the accuracy of display and control is lower.
First aspect, embodiments provides a kind of display control method of mobile terminal, comprising:
Obtain the preview image of user face by front-facing camera, and in described preview image, determine the three-dimensional at first coordinate at left eye place, second coordinate at right eye place and/or lip place;
The display image of described mobile terminal is adjusted according to described first coordinate, described second coordinate and/or described three-dimensional.
Second aspect, embodiments provides a kind of display control unit of mobile terminal, comprising:
Coordinate determining unit, for obtaining the preview image of user face by front-facing camera, and determines the three-dimensional at first coordinate at left eye place, second coordinate at right eye place and/or lip place in described preview image;
Display image control unit, for adjusting the display image of described mobile terminal according to described first coordinate, described second coordinate and/or described three-dimensional.
The beneficial effect that the embodiment of the present invention compared with prior art exists is: the embodiment of the present invention obtains the preview image of user face by front-facing camera, according to the display image of the Coordinate Adjusting mobile terminal of eyes in preview image and lip, thus when adjusting display image without the need to by gravity sensor, save the hardware cost of mobile terminal, and computation process is simple, calculated amount is less, realizes difficulty less.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the realization flow figure of the display control method of the mobile terminal that the embodiment of the present invention provides;
Fig. 2 be the mobile terminal that the embodiment of the present invention provides display control method described according to the specific implementation process flow diagram in direction of the first coordinate, the second coordinate and/or three-dimensional adjustment display image;
Fig. 3 is the specific implementation process flow diagram of step S201 in the display control method of the mobile terminal that the embodiment of the present invention provides;
Fig. 4 be the mobile terminal that the embodiment of the present invention provides display control method described according to the realization flow figure of size of the first coordinate, the second coordinate and/or three-dimensional adjustment display image;
Fig. 5 is the structured flowchart of the display control unit of the mobile terminal that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, 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, be not intended to limit the present invention.
Fig. 1 shows the realization flow figure of the display control method of the mobile terminal that the embodiment of the present invention provides, and details are as follows:
In step S101, obtain the preview image of user face by front-facing camera, and in preview image, determine the three-dimensional at first coordinate at left eye place, second coordinate at right eye place and/or lip place.
It should be noted that, mobile terminal in the embodiment of the present invention can comprise mobile phone (or being called " honeycomb " phone) and have the computing machine of mobile terminal, such as, can be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they and wireless access network exchange language and/or data.Such as, Personal Communications Services (PersonalCommunicationService, PCS) phone, wireless phone, Session initiation Protocol (SessionInitiationProtocol, SIP) phone, wireless local loop (WirelessLocalLoop, WLL) stand, personal digital assistant (PersonalDigitalAssistant, the equipment such as PDA), in this no limit.
Alternatively, the preview image being obtained user face by front-facing camera can be: when the display screen of mobile terminal is in illuminating state, is obtained the preview image of user face with predeterminated frequency by front-facing camera.
In embodiments of the present invention, after the preview image being obtained user face by front-facing camera, recognition of face is carried out to preview image, identify left eye position in preview image, right eye position and Hp position, then determine the three-dimensional at first coordinate at left eye place, second coordinate at right eye place and/or lip place.Wherein, first coordinate at left eye place can be first coordinate at place, pupil of left eye center, and second coordinate at right eye place can be second coordinate at place, pupil of right eye center, and the three-dimensional at lip place can be the three-dimensional at place, lip center.In other embodiments, the first coordinate can in the top of left eye, bottom or two outermost etc., other coordinate is corresponding to be adjusted.
In step s 102, according to the display image of the first coordinate, the second coordinate and/or three-dimensional adjustment mobile terminal.
Preferably, comprise according to the display image of the first coordinate, the second coordinate and/or three-dimensional adjustment mobile terminal:
According to the direction of the first coordinate, the second coordinate and/or three-dimensional adjustment display image; And/or,
According to the size of the first coordinate, the second coordinate and/or three-dimensional adjustment display image.
As one embodiment of the present of invention, the display image according to the first coordinate, the second coordinate and/or three-dimensional adjustment mobile terminal comprises: according to the direction of the first coordinate, the second coordinate and/or three-dimensional adjustment display image.In embodiments of the present invention, according to the direction of display image of the first coordinate, the second coordinate and/or three-dimensional adjustment mobile terminal, thus when adjusting the direction of display image without the need to by gravity sensor, save the hardware cost of mobile terminal.
As an alternative embodiment of the invention, the display image according to the first coordinate, the second coordinate and/or three-dimensional adjustment mobile terminal comprises: according to the size of the first coordinate, the second coordinate and/or three-dimensional adjustment display image.In embodiments of the present invention, according to the size of the display image of the first coordinate, the second coordinate and/or three-dimensional adjustment mobile terminal, thus without the need to the size of user's manual adjustments display image, improve simple operation.
As an alternative embodiment of the invention, the display image according to the first coordinate, the second coordinate and/or three-dimensional adjustment mobile terminal comprises: according to direction and the size of the first coordinate, the second coordinate and/or three-dimensional adjustment display image.
According to the specific implementation process flow diagram in the direction of the first coordinate, the second coordinate and/or three-dimensional adjustment display image described in the display control method that Fig. 2 shows the mobile terminal that the embodiment of the present invention provides, with reference to Fig. 2:
In step s 201, judge that display image is the need of rotation according to the first coordinate, the second coordinate and/or three-dimensional;
In step S202, if so, then according to the first coordinate, the second coordinate and/or three-dimensional determination sense of rotation;
In step S203, display image is rotated predetermined angle along sense of rotation.
Wherein, sense of rotation is clockwise direction or counter clockwise direction, and predetermined angle is 90 ° or 180 °.
Fig. 3 shows the specific implementation process flow diagram of step S201 in the display control method of the mobile terminal that the embodiment of the present invention provides, with reference to Fig. 3:
In step S301, according at least two coordinate determination primary vectors in the first coordinate, the second coordinate and three-dimensional;
In step s 302, primary vector and the angle presetting vector is calculated;
In step S303, if primary vector is greater than default angle with the angle presetting vector, then judge to need rotational display image; If primary vector is less than default angle with the angle presetting vector, then judge not need rotational display image.
As one embodiment of the present of invention, according at least two coordinate determination primary vectors in the first coordinate, the second coordinate and three-dimensional can be: with three-dimensional for starting point determination primary vector, this primary vector is perpendicular to the line of the first coordinate and the second coordinate, and the terminal of this primary vector can on the line of the first coordinate and the second coordinate.Default vector can be parallel with the long limit of the display screen of mobile terminal, and the vector of top margin is pointed on base time upright by mobile terminal.Calculate primary vector and the angle presetting vector, the scope of this angle be (-180 °, 180 °].When primary vector is identical with the direction of presetting vector, primary vector is 0 with presetting vectorial angle; When primary vector is contrary with the direction of presetting vector, primary vector is 180 ° with presetting vectorial angle; Obtain if the direction of primary vector rotates (0 °, 180 °) in the counterclockwise direction by the direction of presetting vector, then primary vector is (-180 °, 0 °) with presetting vectorial angular range; Obtain if the direction of primary vector is rotated in a clockwise direction (0 °, 180 °) by the direction of presetting vector, then primary vector is (0 °, 180 °) with presetting vectorial angular range.In embodiments of the present invention, if primary vector is greater than default angle with the angle presetting vector, needs rotational display image to refer to primary vector if then judge and be greater than default angle with the absolute value of the angle presetting vector, then judge to need rotational display image; If primary vector is less than or equal to default angle with the angle presetting vector, does not need if then judge rotational display image to refer to primary vector and be less than or equal to default angle with the absolute value of the angle presetting vector, then judge not need rotational display image.Wherein, default angle can be 45 °.Such as, when this angle is when [-45 °, 45 °], judge not need rotational display image, the direction of display image is identical with default direction; When this angle (45 °, 135 °] time, judge need rotational display image, the anglec of rotation is 90 °, and sense of rotation is clockwise direction, and the direction of the display image after adjustment turns clockwise 90 ° relative to default direction; When this angle [-135 ° ,-45 °) time, judge need rotational display image, the anglec of rotation is 90 °, sense of rotation be counter clockwise direction, the direction of the display image after adjustment is rotated counterclockwise 90 ° relative to default direction; When this angle is at (-180 °,-135 °) or (135 °, 180 °] time, judge to need rotational display image, the anglec of rotation is 180 °, sense of rotation is clockwise direction or counter clockwise direction, and the direction of the display image after adjustment rotates 180 ° relative to default direction.Wherein, the top margin that default direction refers to display image is parallel with the top margin of mobile terminal display screen, the base of display image is parallel with the base of mobile terminal display screen, wherein, the top margin of mobile terminal display screen refer to mobile terminal upright time display screen top margin, the base of mobile terminal display screen refer to mobile terminal upright time display screen base.
It should be noted that, also can specify primary vector with preset vector angular range for [0 °, 360 °), do not repeat them here.
Further, before step S101, the method also comprises: the initial pictures being obtained user face by front-facing camera, adjust this initial pictures and obtain the first image, in this first image, left eye coordinates is parallel with the top margin of the display screen of mobile terminal with the line of right eye coordinate, and the ordinate value of left eye coordinates and right eye coordinate is greater than the ordinate value of lip coordinate.Wherein, left eye coordinates can be the coordinate at pupil of left eye center, and right eye coordinate can be the coordinate at pupil of right eye center, and lip coordinate can be the coordinate at lip center.
As an alternative embodiment of the invention, according at least two coordinate determination primary vectors in the first coordinate, the second coordinate and three-dimensional can be: with the first coordinate be starting point, the second coordinate is for terminal determination primary vector; Default vector can for be starting point with the left eye coordinates in the first image, the vector determined for terminal of right eye coordinate.Or, according at least two coordinate determination primary vectors in the first coordinate, the second coordinate and three-dimensional can also be: with the second coordinate be starting point, the first coordinate is for terminal determination primary vector; Default vector can for be starting point with the right eye coordinate in the first image, the vector determined for terminal of left eye coordinates.
As an alternative embodiment of the invention, according at least two coordinate determination primary vectors in the first coordinate, the second coordinate and three-dimensional can be: with the first coordinate be starting point, three-dimensional is for terminal determination primary vector; Default vector can for be starting point with the left eye coordinates in the first image, the vector determined for terminal of lip coordinate.Or, according at least two coordinate determination primary vectors in the first coordinate, the second coordinate and three-dimensional can also be: with three-dimensional be starting point, the first coordinate is for terminal determination primary vector; Default vector can for be starting point with the lip coordinate in the first image, the vector determined for terminal of left eye coordinates.
As an alternative embodiment of the invention, according at least two coordinate determination primary vectors in the first coordinate, the second coordinate and three-dimensional can be: with three-dimensional be starting point, the second coordinate is for terminal determination primary vector; Default vector can for be starting point with the lip coordinate in the first image, the vector determined for terminal of right eye coordinate.Or, according at least two coordinate determination primary vectors in the first coordinate, the second coordinate and three-dimensional can be: with the second coordinate be starting point, three-dimensional is for terminal determination primary vector; Default vector can for be starting point with the right eye coordinate in the first image, the vector determined for terminal of lip coordinate.
In embodiments of the present invention, determine primary vector, preset vector and calculate primary vector and the object of angle presetting vector be to determine user face towards, above-described embodiment is only example, is not intended to limit the present invention.
According to the realization flow figure of the size of the first coordinate, the second coordinate and/or three-dimensional adjustment display image described in the display control method that Fig. 4 shows the mobile terminal that the embodiment of the present invention provides, with reference to Fig. 4:
In step S401, determine the value of the first parameter according to the first coordinate, the second coordinate and/or three-dimensional;
In step S402, the value of the first parameter and preset value are compared, obtains comparative result, and show the size of image according to comparative result adjustment.
Preferably, the leg-of-mutton girth that the first parameter is is summit with the first coordinate, the second coordinate and three-dimensional, or be the distance in the first coordinate, the second coordinate and three-dimensional between any two coordinates.
Alternatively, the first parameter also can be with the length sum on both sides arbitrarily in the first coordinate, the second coordinate and the three-dimensional triangle that is summit.
As one embodiment of the present of invention, the leg-of-mutton girth that first parameter can be is summit with the first coordinate, the second coordinate and three-dimensional, preset value can be the leg-of-mutton girth determined according to eyes coordinate and lip coordinate in the first image or initial pictures.The leg-of-mutton girth that is summit with the first coordinate, the second coordinate and three-dimensional and preset value are compared, obtains comparative result.Such as, be greater than preset value with the leg-of-mutton girth that the first coordinate, the second coordinate and three-dimensional are summit, then tune up the size of the display image of mobile terminal; Be less than preset value with the leg-of-mutton girth that the first coordinate, the second coordinate and three-dimensional are summit, then turn the size of the display image of mobile terminal down.
As an alternative embodiment of the invention, the first parameter also can be with the length sum on both sides arbitrarily in the first coordinate, the second coordinate and the three-dimensional triangle that is summit.Such as, the first parameter is the distance sum of the distance of the first coordinate and the second coordinate, the first coordinate and three-dimensional, and preset value is the distance sum of the distance of left eye coordinates and right eye coordinate in the first image, left eye coordinates and lip coordinate.If the value of the first parameter is greater than preset value, then tune up the size of the display image of mobile terminal; If the value of the first parameter is less than preset value, then turn the size of the display image of mobile terminal down.
As an alternative embodiment of the invention, the first parameter can also be the distance in the first coordinate, the second coordinate and three-dimensional between any two coordinates.Such as, the first parameter is the distance between the first coordinate and the second coordinate, and preset value is the distance in the first image between left eye coordinates and right eye coordinate.If the value of the first parameter is greater than preset value, then tune up the size of the display image of mobile terminal; If the value of the first parameter is less than preset value, then turn the size of the display image of mobile terminal down.
As one embodiment of the present of invention, the size of the display image of adjustment mobile terminal also comprises the font size of adjustment mobile terminal, such as, when the value of the first parameter is greater than preset value, tunes up the size of the display image of mobile terminal; When the value of the first parameter is less than preset value, turn the size of the display image of mobile terminal down.Making user without the need to adjusting the font size of mobile terminal from setting options thus, substantially increasing the convenience of mobile terminal font adjustment.
In other embodiments of the invention, different regulative modes can be set in order to adapt to different scenes, if such as the value of the first parameter is less than preset value, then tune up the display image of mobile terminal or the size of word; If the value of the first parameter is greater than preset value, then turn the display image of mobile terminal or the size of word down.This is because under some scene, user is to see picture or word closer to screen clearly to facilitate near screen, now the value of the first parameter is greater than preset value explanation user near screen, so tune up the size of display image or word, under other scene, user is because other reason needs near screen, and now the value of the first parameter is greater than preset value, but now user needs to turn image down accordingly, avoid because too closely picture or the excessive discomfort brought of word leaned on.
Should be understood that in embodiments of the present invention, the size of the sequence number of above-mentioned each process does not also mean that the priority of execution sequence, and the execution sequence of each process should be determined with its function and internal logic, and should not form any restriction to the implementation process of the embodiment of the present invention.
The embodiment of the present invention obtains the preview image of user face by front-facing camera, according to the display image of the Coordinate Adjusting mobile terminal of eyes in preview image and lip, thus when adjusting display image without the need to by gravity sensor, save the hardware cost of mobile terminal, and computation process is simple, calculated amount is less, realizes difficulty less.
Fig. 5 shows the structured flowchart of the display control unit of the mobile terminal that the embodiment of the present invention provides, and this device may be used for the display control method of the mobile terminal shown in service chart 1 to 4.This device can be mobile terminal, also can for being built in the device in mobile terminal, in this no limit.For convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
With reference to Fig. 5, this device comprises:
Coordinate determining unit 51, for obtaining the preview image of user face by front-facing camera, and determines the three-dimensional at first coordinate at left eye place, second coordinate at right eye place and/or lip place in preview image;
Display image control unit 52, for adjusting the display image of described mobile terminal according to described first coordinate, described second coordinate and/or described three-dimensional.
Preferably, described display image control unit 52 comprises:
Direction adjustment subelement 521, for adjusting the direction of described display image according to described first coordinate, described second coordinate and/or described three-dimensional; And/or,
Size adjustment subelement 522, for adjusting the size of described display image according to described first coordinate, described second coordinate and/or described three-dimensional.
Preferably, described direction adjustment subelement 521 specifically for:
Judge that described display image is the need of rotation according to described first coordinate, described second coordinate and/or described three-dimensional;
If so, then according to described first coordinate, described second coordinate and/or described three-dimensional determination sense of rotation;
Described display image is rotated predetermined angle along described sense of rotation.
Preferably, described direction adjustment subelement 521 specifically for:
According at least two coordinate determination primary vectors in described first coordinate, described second coordinate and described three-dimensional;
Calculate described primary vector and the angle presetting vector;
If the angle of described primary vector and described default vector is greater than default angle, then judge to need to rotate described display image; If the angle of described primary vector and described default vector is less than or equal to described default angle, then judge not need to rotate described display image.
Preferably, described size adjustment subelement 522 specifically for:
The value of the first parameter is determined according to described first coordinate, described second coordinate and/or described three-dimensional;
The value of described first parameter and preset value are compared, obtains comparative result, and adjust the size of described display image according to described comparative result.
Preferably, the leg-of-mutton girth that described first parameter is is summit with described first coordinate, described second coordinate and described three-dimensional, or be the distance in described first coordinate, described second coordinate and described three-dimensional between any two coordinates.
The embodiment of the present invention obtains the preview image of user face by front-facing camera, according to the display image of the Coordinate Adjusting mobile terminal of eyes in preview image and lip, thus when adjusting display image without the need to by gravity sensor, save the hardware cost of mobile terminal, and computation process is simple, calculated amount is less, realizes difficulty less.
Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the device of foregoing description and the specific works process of unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed apparatus and method can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (12)
1. a display control method for mobile terminal, is characterized in that, comprising:
Obtain the preview image of user face by front-facing camera, and in described preview image, determine the three-dimensional at first coordinate at left eye place, second coordinate at right eye place and/or lip place;
The display image of described mobile terminal is adjusted according to described first coordinate, described second coordinate and/or described three-dimensional.
2. the method for claim 1, is characterized in that, the described display image adjusting described mobile terminal according to described first coordinate, described second coordinate and/or described three-dimensional comprises:
The direction of described display image is adjusted according to described first coordinate, described second coordinate and/or described three-dimensional; And/or,
The size of described display image is adjusted according to described first coordinate, described second coordinate and/or described three-dimensional.
3. method as claimed in claim 2, is characterized in that, the described direction adjusting described display image according to described first coordinate, described second coordinate and/or described three-dimensional comprises:
Judge that described display image is the need of rotation according to described first coordinate, described second coordinate and/or described three-dimensional;
If so, then according to described first coordinate, described second coordinate and/or described three-dimensional determination sense of rotation;
Described display image is rotated predetermined angle along described sense of rotation.
4. method as claimed in claim 3, is characterized in that, judges that described display image comprises the need of the step rotated according to described first coordinate, described second coordinate and/or described three-dimensional:
According at least two coordinate determination primary vectors in described first coordinate, described second coordinate and described three-dimensional;
Calculate described primary vector and the angle presetting vector;
If the angle of described primary vector and described default vector is greater than default angle, then judge to need to rotate described display image; If the angle of described primary vector and described default vector is less than or equal to described default angle, then judge not need to rotate described display image.
5. method as claimed in claim 2, is characterized in that, the described size adjusting described display image according to described first coordinate, described second coordinate and/or described three-dimensional comprises:
The value of the first parameter is determined according to described first coordinate, described second coordinate and/or described three-dimensional;
The value of described first parameter and preset value are compared, obtains comparative result, and adjust the size of described display image according to described comparative result.
6. method as claimed in claim 5, it is characterized in that, the leg-of-mutton girth that described first parameter is is summit with described first coordinate, described second coordinate and described three-dimensional, or be the distance in described first coordinate, described second coordinate and described three-dimensional between any two coordinates.
7. a display control unit for mobile terminal, is characterized in that, comprising:
Coordinate determining unit, for obtaining the preview image of user face by front-facing camera, and determines the three-dimensional at first coordinate at left eye place, second coordinate at right eye place and/or lip place in described preview image;
Display image control unit, for adjusting the display image of described mobile terminal according to described first coordinate, described second coordinate and/or described three-dimensional.
8. device as claimed in claim 7, it is characterized in that, described display image control unit comprises:
Direction adjustment subelement, for adjusting the direction of described display image according to described first coordinate, described second coordinate and/or described three-dimensional; And/or,
Size adjustment subelement, for adjusting the size of described display image according to described first coordinate, described second coordinate and/or described three-dimensional.
9. device as claimed in claim 8, is characterized in that, described direction adjustment subelement specifically for:
Judge that described display image is the need of rotation according to described first coordinate, described second coordinate and/or described three-dimensional;
If so, then according to described first coordinate, described second coordinate and/or described three-dimensional determination sense of rotation;
Described display image is rotated predetermined angle along described sense of rotation.
10. device as claimed in claim 9, is characterized in that, described direction adjustment subelement specifically for:
According at least two coordinate determination primary vectors in described first coordinate, described second coordinate and described three-dimensional;
Calculate described primary vector and the angle presetting vector;
If the angle of described primary vector and described default vector is greater than default angle, then judge to need to rotate described display image; If the angle of described primary vector and described default vector is less than or equal to described default angle, then judge not need to rotate described display image.
11. devices as claimed in claim 8, is characterized in that, described size adjustment subelement specifically for:
The value of the first parameter is determined according to described first coordinate, described second coordinate and/or described three-dimensional;
The value of described first parameter and preset value are compared, obtains comparative result, and adjust the size of described display image according to described comparative result.
12. devices as claimed in claim 11, it is characterized in that, the leg-of-mutton girth that described first parameter is is summit with described first coordinate, described second coordinate and described three-dimensional, or be the distance in described first coordinate, described second coordinate and described three-dimensional between any two coordinates.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110806801A (en) * | 2019-10-30 | 2020-02-18 | 维沃移动通信有限公司 | Prompting method and mobile terminal |
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| CN102216977A (en) * | 2011-06-24 | 2011-10-12 | 华为终端有限公司 | A method for automatically adjusting screen display and a device thereof |
| CN102915188A (en) * | 2011-08-01 | 2013-02-06 | 中国移动通信集团公司 | Method and device for controlling display status of terminal screen |
| CN103839534A (en) * | 2012-11-27 | 2014-06-04 | 英业达科技有限公司 | Font adjusting system and adjusting method |
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| CN101458531A (en) * | 2007-12-12 | 2009-06-17 | 深圳富泰宏精密工业有限公司 | Display screen automatic adjustment system and method |
| CN102216977A (en) * | 2011-06-24 | 2011-10-12 | 华为终端有限公司 | A method for automatically adjusting screen display and a device thereof |
| CN102915188A (en) * | 2011-08-01 | 2013-02-06 | 中国移动通信集团公司 | Method and device for controlling display status of terminal screen |
| CN103839534A (en) * | 2012-11-27 | 2014-06-04 | 英业达科技有限公司 | Font adjusting system and adjusting method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110806801A (en) * | 2019-10-30 | 2020-02-18 | 维沃移动通信有限公司 | Prompting method and mobile terminal |
| CN110806801B (en) * | 2019-10-30 | 2021-10-29 | 维沃移动通信有限公司 | Prompting method and mobile terminal |
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