CN103901901A - Method and device for rotating screen of video terminal - Google Patents
Method and device for rotating screen of video terminal Download PDFInfo
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Abstract
The invention provides a method and device for rotating a screen of a video terminal. The method includes the steps of controlling a camera to collect image information after the video terminal is turned on, recognizing position information of a target object in the image information, converting the position information into corresponding angle information, determining the rotating angle by which the screen needs to be rotated so as to face towards the target object according to the angle information, and driving the screen to rotate by the rotating angle. According to the method, by recognizing the watching position information of the target object after the video terminal is turned on, converting the position information into the angle information and calculating the optimal angle by which the screen needs to be rotated so as to face right towards the target object according to the angle information, and user experience is improved.
Description
Technical field
The disclosure relates to terminal technology field, particularly a kind of screen rotation method and device of video terminal.
Background technology
Along with the development of terminal technology, increasing user uses video terminal at home, such as, intelligent television or computer etc.Because the situation of each family is different, user in some families need to watch video from multiple angles, also the multiple users in the family having need to watch video simultaneously, now, watch demand in order to meet user, just need to control the user oriented angle of video terminal, so that reach good appreciation effect.At present, adjusting video terminal user oriented angle is mainly by manual rotation video terminal, or adjusts by telepilot that the mode of video terminal realizes.
But, by this adjustment mode of manual rotation, be to rely on user's sensation to be adjusted completely, the angle of its adjustment not necessarily user's the best is viewed and admired angle; And this mode of adjusting by telepilot is mainly adjusted the user oriented angle of user video terminal by the button on telepilot, its operation steps complexity.
Therefore, above-mentioned two kinds of modes all need artificially to adjust the angle of video display terminal, and its operation steps complexity reduces user and experiences.
Summary of the invention
The disclosure provides a kind of screen rotation method and device of video terminal, needs by the screen of artificial adjustment video display terminal to solve in existing mode, causes user to experience not high problem.
In order to solve the problems of the technologies described above, the disclosure provides following technical scheme:
On the one hand, provide a kind of screen rotation method of video terminal, described method comprises:
After video terminal is opened, control camera collection image information;
Identify the positional information of target object in described image information;
Described positional information is converted into corresponding angle information;
The required anglec of rotation while determining described screen cover to described target object according to described angle information;
Drive the anglec of rotation described in described screen rotation.
Preferably, described method also comprises:
Whether the positional information that judges described target object is active position information, if so, describedly described positional information is converted into corresponding angle information comprises: described active position information is converted into corresponding angle information.
Preferably, describedly described positional information be converted into corresponding angle information comprise:
Determine the coordinate information of target object according to the positional information of described target object;
Determine described target object according to described coordinate information and depart from the deflection angle perpendicular to described screen, and using described deflection angle as angle information corresponding to described positional information.
Preferably, described method also comprises:
In the time controlling camera collection image information, determine the territory, sector coverage area that gathers every described image information;
Describedly described positional information be converted into corresponding angle information comprise:
Determine angle information corresponding to territory, described sector coverage area;
Angle information using angle information corresponding territory, described sector coverage area as described active position information.
Preferably, described method also comprises:
Have the positional information of target object in the described image information of identification time, described positional information is carried out in described image information to label;
Determine that according to described label described angle information departs from the yawing moment of normal to screen plane.
Preferably, described in the time that identification has the positional information of target object in described image information, described positional information is carried out in described image information to label and comprise:
Have respectively positional information corresponding to target object in image information described in the different every width of identification time, each positional information is carried out to label in the described image information of correspondence; And
Have the positional information of multiple target objects in image information described in the same width of identification time, each positional information is carried out in described image information to label.
Preferably, describedly determine according to described angle information the anglec of rotation that described screen cover is required to described target object, comprising:
In the time that described angle information comprises an angle information, described screen cover is described angle information to the required anglec of rotation of described target object; Or
In the time that described angle information comprises at least two angle informations, the intermediate angle information of at least two angle informations described in determining, and using described intermediate angle information as the described anglec of rotation.
On the one hand, provide a kind of screen rotating device of video terminal, described device comprises:
Control module, after being opened at video terminal, controls camera collection image information;
Recognition unit, for identifying the positional information of described image information target object;
Conversion unit, for being converted into corresponding angle information by described positional information;
The first determining unit, the required anglec of rotation when determining described screen cover to described target object according to described angle information;
Rotary drive unit, for driving the anglec of rotation described in described screen rotation.
Preferably, described device also comprises:
Whether judging unit is active position information for the positional information of the described target object that judges the identification of described recognition unit;
Described conversion unit, also when judging that at described judging unit the positional information of described target object is active position information, is converted into corresponding angle information by described active position information.
Preferably, described conversion unit comprises:
The second determining unit, for determining the coordinate information of target object according to the positional information of described target object;
The 3rd determining unit, departs from deflection angle vertical and described screen for determine described target object according to described coordinate information;
The first definition unit, for using described deflection angle as angle information corresponding to described positional information.
Preferably, described device also comprises:
The 4th determining unit, during for image information in camera collection room described in described control module control, determines the territory, sector coverage area that gathers every described image information;
Described conversion unit comprises:
The 5th determining unit, for determining angle information corresponding to territory, described sector coverage area;
The second definition unit, for the angle information using angle information corresponding territory, described sector coverage area as described active position information.
Preferably, described device also comprises:
Indexing unit in the time that the described image information of identification has the positional information of target object, carries out label in described image information to described positional information;
Orientation determination unit, for determining that according to the described label of described indexing unit mark described angle information departs from the yawing moment perpendicular to described screen.
Preferably, described indexing unit comprises:
The first indexing unit in the time that the different described image information of identification has respectively positional information corresponding to target object, carries out label to each positional information in the described image information of correspondence; And/or
The second indexing unit in the time that image information has the positional information of multiple target objects described in the same width of identification, carries out label in described image information to each positional information.
Preferably, described the first determining unit comprises: first determines subelement; And/or second determines subelement and the 3rd definite subelement; Wherein,
Described first determines subelement, in the time that described angle information comprises an angle information, described screen cover during to described target object the required anglec of rotation be described angle information;
Described second determines subelement, in the time that described angle information comprises at least two angle informations, and the intermediate angle information of at least two angle informations described in determining;
The described the 3rd determines subelement, for determining that using described second the definite described intermediate angle information of subelement is as the described anglec of rotation.
On the one hand, provide a kind of screen rotating device of video terminal, described device comprises:
Processor; Be used for storing the executable instruction of described processor;
Wherein, described processor is configured to: after video terminal is opened, control camera collection image information; Identify the positional information of target object in described image information; Described positional information is converted into corresponding angle information; The required anglec of rotation while determining described screen cover to described target object according to described angle information; Drive the anglec of rotation described in described screen rotation.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
In the disclosure, after video terminal is opened, by the positional information of recognition target object, and this positional information is converted to angle information, and then the required anglec of rotation while determining screen cover to described target object according to described angle information, and according to this anglec of rotation, screen rotation is faced to the best angle of target object to forward, thereby improve user's experience.
Further, whether the disclosure is active position information by the positional information that judges target object, improves recognition efficiency.
Further, the disclosure can be dynamically according to the increase and decrease of the positional information of target object, automatically determine and regulate the anglec of rotation, thereby reach real screen rotation robotization.
Should be understood that, it is only exemplary that above general description and details are hereinafter described, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing is herein merged in instructions and forms the part of this instructions, shows embodiment according to the invention, and is used from and explains principle of the present invention with instructions one.
Fig. 1 is that the disclosure is according to the process flow diagram of the screen rotation method of a kind of video terminal shown in an exemplary embodiment;
Fig. 2 is that the disclosure is according to a kind of schematic diagram that described positional information is carried out in described image information to label shown in an exemplary embodiment;
Fig. 3 is that the disclosure is according to a kind of schematic diagram that positional information is converted into angle information shown in an exemplary embodiment;
Fig. 4 is the disclosure according to the signal of a kind of definite rotation angle information shown in an exemplary embodiment as figure;
Fig. 5 is that the disclosure is according to the structural representation of the screen rotating device of a kind of video terminal shown in an exemplary embodiment;
Fig. 6 is that the disclosure is according to another structural representation of the screen rotating device of a kind of video terminal shown in an exemplary embodiment;
Fig. 7 is that the disclosure is according to another structural representation of the screen rotating device of a kind of video terminal shown in an exemplary embodiment;
Fig. 8 is that the disclosure is according to another structural representation of the screen rotating device of a kind of video terminal shown in an exemplary embodiment;
Fig. 9 is that the disclosure is according to another structural representation of the screen rotating device of a kind of video terminal shown in an exemplary embodiment;
Figure 10 is that the disclosure is according to another structural representation of the screen rotating device of a kind of video terminal shown in an exemplary embodiment;
Figure 11 is that the disclosure is according to the structural representation of a kind of screen rotating device for video terminal shown in an exemplary embodiment;
Figure 12 is that the disclosure is according to the structural representation of a kind of server shown in an exemplary embodiment.
Embodiment
Below in conjunction with accompanying drawing of the present disclosure, technical scheme of the present disclosure is carried out to clear, complete description, obviously, described embodiment is only disclosure part embodiment, rather than whole embodiment.Based on the embodiment in the disclosure, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of disclosure protection.
The term using in the disclosure is only for describing the object of specific embodiment, but not is intended to limit the disclosure." one ", " described " and " being somebody's turn to do " of the singulative using in disclosure and the accompanying claims book are also intended to comprise most forms, unless context clearly represents other implications.It is also understood that term "and/or" used herein refer to and comprise one or more projects of listing that are associated any or all may combine.
Although should be appreciated that in the disclosure and may adopt term first, second, third, etc. to describe various information, these information should not be limited to these terms.These terms are only used for the information of same type to be distinguished from each other out.For example, in the situation that not departing from disclosure scope, the first information also can be called as the second information, and similarly, the second information also can be called as the first information.Depend on linguistic context, as used in this word " if " can be construed as into " ... time " or " when ... time " or " in response to determine ".
The disclosure provides a kind of screen rotation method and device of video terminal, in the disclosure, adopt the positional information of (such as the shooting of carrying on screen is first-class) collection recognition target object (such as spectators etc.) by camera, and determine described screen forward in the face of the required anglec of rotation of target object, then the anglec of rotation described in the described screen rotation of automatic driving, so that described screen rotation to forward facing to the best angle of target object, thereby the experience that has improved target object and watch video.
Refer to Fig. 1, the process flow diagram of the screen rotation method of a kind of video terminal that Fig. 1 provides for the disclosure, as shown in the figure:
In step 101, after video terminal is opened, control camera collection image information;
After video terminal is opened by user, after the time Auto Power On of setting, the camera carrying on video terminal control screen starts to gather the image information in room, the mode of its collection can be Real-time Collection, also can timing acquiring, also can the two alternately gather, the present embodiment is not restricted.
In the disclosure, video terminal can comprise screen, camera and Rotatable base, and described screen is fixedly connected with Rotatable base, and screen can rotate by 360 degree; Described camera can be integrated on screen, also can be connected with described screen, wherein, if when camera is integrated on screen, can carry out 180 degree rotations; If when camera is connected with screen, such as being articulated on described screen, described screen can carry out 360 degree rotations.
Wherein, the video terminal in the disclosure, can be the rotatable televisor of screen, can be also the smart machines such as the rotatable computer of screen; Certainly, can also be the rotatable equipment of his screen, the present embodiment is not restricted.
In another embodiment, when image information in the camera collection room on screen, determine the territory, sector coverage area that gathers every described image information; It determines that mode can calculate according to correlation technique the territory, sector coverage area of an image information of camera collection, and then is multiplied by 360 degree, the angle information of camera rotation just can obtain gathering every image information time.Therefore, gather and can obtain one group of 360 image of spending coverage each time.
Wherein, in the disclosure, the scope that gathers image information also can be set as 180 degree, and the angle at the screen back side can not gather.
In step 102, identify the positional information of target object in described image information;
In the disclosure, the positional information of target object in recognition image information, can carry out by face recognition technology the face of recognition target object, such as, based on linear discriminatory analysis mode, based on the recognition of face of neural network, based on the recognition of face of support vector machine, or, based on other face recognition technology, such as the identification of, three-dimensional face, the technology such as recognition of face or depth image recognition of face based on complexion model.
In another embodiment, in recognition image information when the positional information of target object, can in described image information, carry out to described positional information label, so that determine that according to described label described angle information departs from the yawing moment perpendicular to described screen plane.As shown in Figure 2.Wherein, in figure in 2, be that two spectators' positional information is carried out to label is example, that is, viewer's location 1 and viewer's location 2, wherein, viewer's location 1 and viewer's location 2 are that to be positioned at vertical and both sides screen plane be example, but are not limited to this.
Wherein, the label mode that described positional information is carried out in described image information to label is example in two ways, but is not limited to this:
First kind of way is: have respectively positional information corresponding to target object in image information described in the different every width of identification time, each positional information is carried out to label in the described image information of correspondence; And
Second method is: have the positional information of multiple target objects in image information described in the same width of identification time, each positional information is carried out in described image information to label.
In step 103, described positional information is converted into corresponding angle information;
In the disclosure, take two kinds of transform modes as example, when being not limited to this:
A kind of transform mode is: determine angle information corresponding to territory, described sector coverage area; Angle information using angle information corresponding territory, described sector coverage area as described active position information.Wherein, in above-mentioned steps, after the image information of utilizing in camera collection room, can calculate the territory, sector coverage area of an image information of camera collection according to correlation technique, then 360 degree are multiplied by territory, described sector coverage area, just obtain corresponding angle information.That is to say, gather and can obtain one group of 360 image information of spending coverage each time.
Another kind of transform mode is: the coordinate information of determining target object according to the positional information of described target object; Determine described target object according to described coordinate information and depart from the deflection angle perpendicular to described screen, and using described deflection angle as angle information corresponding to described positional information.
In the disclosure, can be by computer vision processing (the OPEN CV that increases income, Open Source Computer Vision) algorithm, can set up corresponding coordinate according to the image information of camera collection target object, thereby obtain the coordinate figure of target object, then, if be (0 perpendicular to the centre coordinate of current screen, 0), according to the center point coordinate of current screen, just can calculate this target object and depart from the angle information perpendicular to current screen, certainly, the positive negative value of angle information can also be set, such as, angle while turning clockwise is set to negative value, angle while being rotated counterclockwise be set on the occasion of etc., otherwise, also can.
In the disclosure, using the initial plane of screen as number axis plane, be 0 degree perpendicular to the viewpoint definition of this number axis plane, counterclockwise rotatable+180 degree; Rotatable-180 degree of clockwise direction.(such as, while gathering image, take TV screen original position as initial point, clockwise 90-degree rotation, another mistake hour hands Rotate 180 degree etc.), as shown in Figure 3, left-hand broken line rectangle is the initial plane of screen, the angle of the direction of the initial plane of normal to screen is 0 degree, in this example, to exist two spectators' positional information as example, according to above-mentioned computing method, described positional information is converted into corresponding angle information, the positional information 1 that obtains spectators is+45 degree for angle information 1, and the angle information 2 of viewer's location information 2 correspondences is-15 degree.But be not limited to this in practical application.
In step 104, determine that according to described angle information described screen forward is in the face of the required anglec of rotation of described target object;
In this embodiment, in the time that described angle information comprises an angle information, described screen cover is described angle information to the required anglec of rotation of described target object; Such as, the angle of the direction of the initial plane of normal to screen is 0 degree, take 0 degree as basis, be rotated counterclockwise on the occasion of, clockwise turn to negative value, if this angle information be+30 degree, screen need to rotate and be rotated counterclockwise 30 degree, could face this target object by forward, therefore, the anglec of rotation that screen need to rotate is+30 degree.
In the time that described angle information comprises at least two angle informations, the intermediate angle information of at least two angle informations described in determining, and using described intermediate angle information as the described anglec of rotation; Such as, there are multiple spectators to see video terminal simultaneously, now, need to calculate the intermediate angle information of described multiple angle informations, and using described intermediate angle information as the described anglec of rotation.
Such as, the angle of the direction of the initial plane of normal to screen is 0 degree, take 0 degree as basis, be rotated counterclockwise on the occasion of, clockwise turn to negative value, if determine that these first spectators' the angle information 1 of positional information 1 correspondence be+45 to spend, and the angle information 2 of determining second spectators's positional information 2 correspondences is-15 degree, then calculate+45 degree and-15 degree intermediate angle information be+15 degree, the rotation angle information that screen need to rotate for+15 spend, automatic rotation towards position 3.As shown in Figure 4.In Fig. 4, the rectangle of left side dotted line is the initial plane of screen, and the direction of the initial plane of normal to screen is due to being 0 degree, and the rectangle of left side solid line to be screen need to be rotated counterclockwise the screen position after 15 degree according to the anglec of rotation.
That is to say, in the time that angle information is multiple angle information, according to all angle informations, calculate the best angle information of a centre.As shown in Figure 4, calculate best viewing angle information and be+15 °, this information shows that screen should be rotated counterclockwise 15 degree.
In step 105, drive the anglec of rotation described in described screen rotation.
In this step, determine in above-mentioned steps angle information and the sense of rotation (turn clockwise or be rotated counterclockwise) that screen need to rotate, by existing rotary actuation technology, screen is rotated to the described anglec of rotation according to sense of rotation, screen is rotated to the angle in the face of target object according to the anglec of rotation.Wherein, existing rotary actuation technology has been to know technology to those skilled in the art, does not repeat them here.
In the disclosure, although the maximum angle of screen rotation is 360 degree, if screen rotation process in stopped by wall, automatically stop the rotation.
In another embodiment, in order to improve recognition efficiency, in the described image information of identification after the positional information of target object, described method can also comprise: whether the positional information that judges described target object is active position information, if so, describedly described positional information is converted into corresponding angle information comprises: described active position information is converted into corresponding angle information.
In the disclosure, be mainly to utilize existing face recognition technology to carry out the active position of recognition target object.That is to say, in gathered image information, identify face, then utilize the geometric properties of face to judge whether the positional information of target object is active position information.In the time that the positive feature of target object face in positional information exceedes predetermined threshold, think that this target object is towards TV, the positional information of this target object is active position information, otherwise, ignore this positional information.
Such as, still as shown in Figure 4, in the time that user turns on TV, camera collects three effective positional informations automatically, through judgement, determines that two positional informations are wherein active position information, then, these two effective positional informations are converted into corresponding angle information, then, calculate the middle angle of these two angle informations.
Certainly, in the disclosure, can according to collect target object watch TV active position increase and decrease or change the angle and direction of automatic rotation, such as the only positional information of a surplus target object of the positional information of system acquisition after a while, by screen can auto-steering in the face of the angle corresponding to positional information of this target object.
The disclosure provides a kind of screen rotation method of video terminal, after video terminal is opened, by the positional information of recognition target object, and this positional information is converted to angle information, and then the required anglec of rotation while determining screen cover to described target object according to described angle information, and according to this anglec of rotation, screen rotation is faced to the best angle of target object to forward, thereby improve user's experience.
Based on the implementation procedure of said method, the disclosure also illustrates a kind of screen rotating device of video terminal according to an exemplary embodiment, its structural representation as shown in Figure 5, described device comprises: control module 51, recognition unit 52, conversion unit 53, the first determining units 54 and rotary drive unit 55, as shown in the figure
Described control module 51, is configured to after video terminal is opened, and controls camera collection image information;
Wherein, video terminal is opened, and can be that user opens video terminal, can video display terminal be automatically to open reaching setting-up time.
Described recognition unit 52, is configured to identify the positional information of target object in described image information;
Described conversion unit 53, is configured to described positional information to be converted into corresponding angle information;
Described the first determining unit 54, the required anglec of rotation while being configured to determine described screen cover to described target object according to described angle information;
Described rotary drive unit 55, is configured to drive the anglec of rotation described in described screen rotation.
In another embodiment, this embodiment is on the basis of above-described embodiment, and described device can also comprise: judging unit 61, its structural representation as shown in Figure 6, wherein,
Described judging unit 61, is configured to judge whether the positional information of the described target object that described recognition unit 52 identifies is active position information;
Described conversion unit 53, is also configured to, in the time that described judging unit 61 judges that the positional information of described target object is active position information, described active position information is converted into corresponding angle information.
Whether the disclosure is active position information by the positional information that judges target object, improves recognition efficiency.
In another embodiment, this embodiment is on the basis of above-described embodiment, and described conversion unit 53 comprises: the second determining unit 531, the 3rd determining unit 532 and the first definition unit 533.Its structural representation as shown in Figure 7, wherein,
Described the second determining unit 531, is configured to determine according to the positional information of described target object the coordinate information of target object;
Described the 3rd determining unit 532, is configured to determine described target object according to described coordinate information and departs from deflection angle vertical and described screen;
Described the first definition unit 533, is configured to using described deflection angle as angle information corresponding to described positional information.
In another embodiment, this embodiment is on the basis of above-described embodiment, and described device can also comprise: the 4th determining unit, wherein,
Described the 4th determining unit, while being configured to the image information in described control module 51 is controlled described camera collection room, determines the territory, sector coverage area that gathers every described image information;
Described conversion unit 53 comprises: the 5th determining unit 534 and the second definition unit 535, its structural representation as shown in Figure 8, in this embodiment, Fig. 8 take on the basis of Fig. 6 as example, wherein,
Described the 5th determining unit 534, is configured to determine angle information corresponding to territory, described sector coverage area;
Described the second definition unit 535, is configured to the angle information using angle information corresponding territory, described sector coverage area as described active position information.
In another embodiment, this embodiment is on the basis of above-described embodiment, and described device can also comprise: indexing unit 91 and orientation determination unit 92, its structural representation as shown in Figure 9, Fig. 9 take on the basis of Fig. 6 as example, wherein,
Described indexing unit 91 while being configured to have the positional information of target object in described recognition unit 52 is identified described image information, carries out label in described image information to described positional information;
Described orientation determination unit 92, is configured to determine that according to the described label of described indexing unit 91 marks described angle information departs from the yawing moment perpendicular to described screen.
Wherein, described indexing unit can comprise: the first indexing unit, also can comprise the second indexing unit, can also comprise the first indexing unit and the second indexing unit, wherein, described the first indexing unit be configured to have respectively positional information corresponding to target object in the different described image information of identification time, carries out label to each positional information in the described image information of correspondence; Described the second indexing unit while being configured to have the positional information of multiple target objects in image information described in the same width of identification, carries out label in described image information to each positional information.
In another embodiment, this embodiment is on the basis of above-described embodiment, and described the first determining unit 54 can comprise: first determines subelement 541; Also can comprise that second determines subelement 542 and the 3rd definite subelement 543; Can also comprise that first determines subelement 541, second definite subelement 542 and the 3rd definite subelement 543; As shown in figure 10, Figure 10 is with on the basis of Fig. 9 for its structural representation, and comprises that first determines that subelement 541, second determines that subelement 542 and the 3rd determines that subelement 543 is for example simultaneously, wherein,
Described first determines subelement 541, be configured in the time that described angle information comprises an angle information, described screen cover during to described target object the required anglec of rotation be described angle information;
Described second determines subelement 542, is configured in the time that described angle information comprises at least two angle informations, the intermediate angle information of at least two angle informations described in determining;
The described the 3rd determines subelement 543, is configured to determine that using described second the definite described intermediate angle information of subelement 542 is as the described anglec of rotation.
The disclosure can be dynamically according to the increase and decrease of the positional information of target object, automatically determine and regulate the anglec of rotation, thereby reach real screen rotation robotization.
About the device in above-described embodiment, wherein the mode of unit executable operations have been described in detail in the embodiment about the method, will not elaborate herein.
Accordingly, disclosure embodiment also provides a kind of screen rotating device of video terminal, and described device comprises: processor, for storing the executable instruction of described processor; Wherein, described processor is configured to:
After video terminal is opened, control camera collection room image information; Identify the positional information of target object in described image information;
Described positional information is converted into corresponding angle information; The required anglec of rotation while determining described screen cover to described target object according to described angle information; Drive the anglec of rotation described in described screen rotation.
Wherein, the implementation procedure of each function in this processor refers to the implementation procedure of above-mentioned corresponding step, does not repeat them here.
Accordingly, the disclosure also provides a kind of video terminal, described video terminal includes storer, and one or more than one program, one of them or more than one program are stored in storer, and are configured to carry out described more than one or one routine package containing for carrying out the instruction of following operation by more than one or one processor:
After video terminal is opened, control camera collection image information; Identify the positional information of target object in described image information;
Described positional information is converted into corresponding angle information; The required anglec of rotation while determining described screen cover to described target object according to described angle information; Drive the anglec of rotation described in described screen rotation.
Wherein, the implementation procedure of each function in this processor refers to the implementation procedure of above-mentioned corresponding step, does not repeat them here.
Adopt after the disclosure, can automatically determine the angle and direction of screen rotation, and drive this screen automatic rotation according to this angle and direction, thereby the efficiency of rotation, the effect that also provides user to watch have been provided.
For device embodiment, because it corresponds essentially to embodiment of the method, so relevant part is referring to the part explanation of embodiment of the method.Device embodiment described above is only schematic, the wherein said unit as separating component explanation can or can not be also physically to separate, the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in multiple network element.Can select according to the actual needs some or all of module wherein to realize the object of disclosure scheme.Those of ordinary skills, in the situation that not paying creative work, are appreciated that and implement.
Figure 11 is according to the structural representation of a kind of screen rotating device 800 for video terminal shown in an exemplary embodiment.For example, device 800 can be mobile phone, computing machine, digital broadcast terminal, information receiving and transmitting equipment, game console, flat-panel devices, Medical Devices, body-building equipment, personal digital assistant and LCD TV etc.
With reference to Figure 11, device 800 can comprise following one or more assembly: processing components 802, storer 804, power supply module 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of I/O (I/O), sensor module 814, and communications component 816.
The integrated operation of processing components 802 common control device 800, such as with demonstration, call, data communication, the operation that camera operation and record operation are associated.Processing components 802 can comprise that one or more processors 820 carry out instruction, to complete all or part of step of above-mentioned method.In addition, processing components 802 can comprise one or more modules, is convenient to mutual between processing components 802 and other assemblies.For example, processing components 802 can comprise multi-media module, to facilitate mutual between multimedia groupware 808 and processing components 802.
Audio-frequency assembly 810 is configured to output and/or input audio signal.For example, audio-frequency assembly 810 comprises a microphone (MIC), and when device 800 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The sound signal receiving can be further stored in storer 804 or be sent via communications component 816.In certain embodiments, audio-frequency assembly 810 also comprises a loudspeaker, for output audio signal.
I/O interface 812 is for providing interface between processing components 802 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
In the exemplary embodiment, device 800 can be realized by one or more application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD) (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components, for carrying out said method.
In the exemplary embodiment, also provide a kind of non-provisional computer-readable recording medium that comprises instruction, for example, comprised the storer 804 of instruction, above-mentioned instruction can have been carried out said method by the processor 820 of device 800.For example, described non-provisional computer-readable recording medium can be ROM, random-access memory (ram), CD-ROM, tape, floppy disk and optical data storage equipment etc.
A kind of non-provisional computer-readable recording medium, in the time that the instruction in described storage medium is carried out by the processor of mobile terminal, makes mobile terminal can carry out a kind of screen rotation method of video terminal, and described method comprises:
After video terminal is opened, control the image information in the camera collection room on described screen; Identify the positional information of target object in described image information; Described positional information is converted into corresponding angle information; The required anglec of rotation while determining described screen cover to described target object according to described angle information; Drive the anglec of rotation described in described screen rotation.
Figure 12 is that the disclosure is according to the structural representation of a kind of server shown in an exemplary embodiment.This server 1900 can because of configuration or performance is different produces larger difference, can comprise one or more central processing units (central processing units, CPU) 1922(for example, one or more processors) and storer 1932, for example one or more mass memory units of storage medium 1930(of one or more storage application programs 1942 or data 1944).Wherein, storer 1932 and storage medium 1930 can be of short duration storage or storage lastingly.The program that is stored in storage medium 1930 can comprise one or more modules (diagram does not mark), and each module can comprise a series of command operatings in server.Further, central processing unit 1922 can be set to communicate by letter with storage medium 1930, carries out a series of command operatings in storage medium 1930 on server 1900.
Should be understood that, computer readable storage devices as herein described (for example, storer) can be volatile memory or nonvolatile memory, or can comprise volatile memory and nonvolatile memory.And nonrestrictive, nonvolatile memory can comprise ROM (read-only memory) (ROM), programming ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory as an example.Volatile memory can comprise random access memory (RAM), and this RAM can serve as External Cache storer.As an example and nonrestrictive, RAM can obtain in a variety of forms, such as synchronous random access memory (DRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate SDRAM (DDR SDRAM), enhancing SDRAM (ESDRAM), synchronization link DRAM (SLDRAM) and direct RambusRAM (DRRAM).The memory device of disclosed aspect is intended to include but not limited to the storer of these and other suitable type.
Those skilled in the art will also understand is that, may be implemented as electronic hardware, computer software or both combinations in conjunction with the described various illustrative logical blocks of disclosure herein, module, circuit and algorithm steps.For this interchangeability of hardware and software is clearly described, with regard to the function of various exemplary components, square, module, circuit and step, it is carried out to general description.This function is implemented as software or is implemented as hardware and depends on respective application and impose on the design constraint of whole system.Those skilled in the art can realize described function in every way for every kind of application, but this realization determines should not be interpreted as causing departing from the scope of the present disclosure.
Can utilize the following parts that are designed to carry out function described here to realize or carry out in conjunction with the described various illustrative logical blocks of disclosure herein, module and circuit: general processor, digital signal processor (DSP), special IC (ASIC), field programmable gate array (FPGA) or other programmable logic device (PLD), discrete gate or transistor logic, discrete nextport hardware component NextPort or any combination of these parts.General processor can be microprocessor, but alternatively, processor can be any conventional processors, controller, microcontroller or state machine.Processor also may be implemented as the combination of computing equipment, and for example, the combination of DSP and microprocessor, multi-microprocessor, one or more microprocessor are in conjunction with DSP core or any other this configuration.
Step in conjunction with the described method of disclosure herein or algorithm can directly be included in the software module of carrying out in hardware, by processor or in the two combination.Software module can reside in the storage medium of RAM storer, flash memory, ROM storer, eprom memory, eeprom memory, register, hard disk, removable dish, CD-ROM or any other form known in the art.Exemplary storage medium is coupled to processor, make processor can be from this storage medium reading information or to this storage medium writing information.In an alternative, described storage medium can be integral to the processor together.Processor and storage medium can reside in ASIC.ASIC can reside in user terminal.In an alternative, processor and storage medium can be used as discrete assembly and reside in user terminal.
In one or more exemplary design, described function can realize in hardware, software, firmware or its combination in any.If realized in software, described function can be transmitted on computer-readable medium or by computer-readable medium as one or more instructions or code storage.Computer-readable medium comprises computer-readable storage medium and communication media, and this communication media comprises any medium that contributes to computer program to be sent to from a position another position.Storage medium can be can be by any usable medium of universal or special computer access.As an example and nonrestrictive, this computer-readable medium can comprise RAM, ROM, EEPROM, CD-ROM or other optical disc memory apparatus, disk storage device or other magnetic storage apparatus, or can for carry or file layout be instruction or data structure required program code and can be by any other medium of universal or special computing machine or universal or special processor access.In addition, any connection can suitably be called computer-readable medium.For example, if use coaxial cable, optical fiber cable, twisted-pair feeder, digital subscriber line (DSL) or such as the wireless technology of infrared ray, radio and microwave come from website, server or other remote source send software, above-mentioned coaxial cable, optical fiber cable, twisted-pair feeder, DSL or the wireless technology such as infrared first, radio and microwave include the definition at medium.As used herein, disk and CD comprise compact disk (CD), laser disk, CD, digital versatile disc (DVD), floppy disk, Blu-ray disc, wherein disk rendering data magnetically conventionally, and cd-rom using laser optics ground rendering data.The combination of foregoing also should be included in the scope of computer-readable medium.
Although disclosed content shows exemplary embodiment of the present disclosure above, it should be noted that under the prerequisite of the scope of the present disclosure that does not deviate from claim restriction, can carry out multiple change and modification.Need not carry out with any particular order according to the function of the claim to a method of disclosed embodiment described herein, step and/or action.In addition, although element of the present disclosure can be with individual formal description or requirement, also it is contemplated that multiple, unless be clearly restricted to odd number.
Above-described embodiment; object of the present disclosure, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only embodiment of the present disclosure; and be not used in limit protection domain of the present disclosure; all within spirit of the present disclosure and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present disclosure.
Claims (15)
1. a screen rotation method for video terminal, is characterized in that, comprising:
After video terminal is opened, control camera collection image information;
Identify the positional information of target object in described image information;
Described positional information is converted into corresponding angle information;
The required anglec of rotation while determining described screen cover to described target object according to described angle information;
Drive the anglec of rotation described in described screen rotation.
2. method according to claim 1, is characterized in that, also comprises:
Whether the positional information that judges described target object is active position information, if so, describedly described positional information is converted into corresponding angle information comprises: described active position information is converted into corresponding angle information.
3. method according to claim 1 and 2, is characterized in that, describedly described positional information is converted into corresponding angle information comprises:
Determine the coordinate information of target object according to the positional information of described target object;
Determine described target object according to described coordinate information and depart from the deflection angle perpendicular to described screen, and using described deflection angle as angle information corresponding to described positional information.
4. method according to claim 1 and 2, is characterized in that, also comprises:
In the time controlling camera collection image information, determine the territory, sector coverage area that gathers every described image information;
Describedly described positional information be converted into corresponding angle information comprise:
Determine angle information corresponding to territory, described sector coverage area;
Angle information using angle information corresponding territory, described sector coverage area as described active position information.
5. method according to claim 1 and 2, is characterized in that, also comprises:
Have the positional information of target object in the described image information of identification time, described positional information is carried out in described image information to label;
Determine that according to described label described angle information departs from the yawing moment of normal to screen plane.
6. method according to claim 5, is characterized in that, described in the time that identification has the positional information of target object in described image information, described positional information is carried out in described image information to label and comprises:
Have respectively positional information corresponding to target object in image information described in the different every width of identification time, each positional information is carried out to label in the described image information of correspondence; And
Have the positional information of multiple target objects in image information described in the same width of identification time, each positional information is carried out in described image information to label.
7. method according to claim 5, is characterized in that, describedly determines according to described angle information the anglec of rotation that described screen cover is required to described target object, comprising:
In the time that described angle information comprises an angle information, described screen cover is described angle information to the required anglec of rotation of described target object; Or
In the time that described angle information comprises at least two angle informations, the intermediate angle information of at least two angle informations described in determining, and using described intermediate angle information as the described anglec of rotation.
8. a screen rotating device for video terminal, is characterized in that, comprising:
Control module, after being opened at video terminal, controls camera collection image information;
Recognition unit, for identifying the positional information of described image information target object;
Conversion unit, for being converted into corresponding angle information by described positional information;
The first determining unit, the required anglec of rotation when determining described screen cover to described target object according to described angle information;
Rotary drive unit, for driving the anglec of rotation described in described screen rotation.
9. device according to claim 8, is characterized in that, described device also comprises:
Whether judging unit is active position information for the positional information of the described target object that judges the identification of described recognition unit;
Described conversion unit, also when judging that at described judging unit the positional information of described target object is active position information, is converted into corresponding angle information by described active position information.
10. device according to claim 8 or claim 9, is characterized in that, described conversion unit comprises:
The second determining unit, for determining the coordinate information of target object according to the positional information of described target object;
The 3rd determining unit, departs from deflection angle vertical and described screen for determine described target object according to described coordinate information;
The first definition unit, for using described deflection angle as angle information corresponding to described positional information.
11. devices according to claim 8 or claim 9, is characterized in that, described device also comprises:
The 4th determining unit, for described in described control module control when camera collection image information, determines the territory, sector coverage area that gathers every described image information;
Described conversion unit comprises:
The 5th determining unit, for determining angle information corresponding to territory, described sector coverage area;
The second definition unit, for the angle information using angle information corresponding territory, described sector coverage area as described active position information.
12. devices according to claim 8 or claim 9, is characterized in that, described device also comprises:
Indexing unit in the time that the described image information of identification has the positional information of target object, carries out label in described image information to described positional information;
Orientation determination unit, for determining that according to the described label of described indexing unit mark described angle information departs from the yawing moment perpendicular to described screen.
13. devices according to claim 12, is characterized in that, described indexing unit comprises:
The first indexing unit in the time that the different described image information of identification has respectively positional information corresponding to target object, carries out label to each positional information in the described image information of correspondence; And/or
The second indexing unit in the time that image information has the positional information of multiple target objects described in the same width of identification, carries out label in described image information to each positional information.
14. devices according to claim 12, is characterized in that, described the first determining unit comprises: first determines subelement; And/or second determines subelement and the 3rd definite subelement; Wherein,
Described first determines subelement, in the time that described angle information comprises an angle information, described screen cover during to described target object the required anglec of rotation be described angle information;
Described second determines subelement, in the time that described angle information comprises at least two angle informations, and the intermediate angle information of at least two angle informations described in determining;
The described the 3rd determines subelement, for determining that using described second the definite described intermediate angle information of subelement is as the described anglec of rotation.
The screen rotating device of 15. 1 kinds of video terminals, is characterized in that, comprising:
Processor; Be used for storing the executable instruction of described processor;
Wherein, described processor is configured to: after video terminal is opened, control camera collection image information; Identify the positional information of target object in described image information; Described positional information is converted into corresponding angle information; The required anglec of rotation while determining described screen cover to described target object according to described angle information; Drive the anglec of rotation described in described screen rotation.
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