CN101893997A - Video control method and electronic device - Google Patents

Video control method and electronic device Download PDF

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Publication number
CN101893997A
CN101893997A CN 201010239491 CN201010239491A CN101893997A CN 101893997 A CN101893997 A CN 101893997A CN 201010239491 CN201010239491 CN 201010239491 CN 201010239491 A CN201010239491 A CN 201010239491A CN 101893997 A CN101893997 A CN 101893997A
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CN
China
Prior art keywords
key
user
vector
detection
detects
Prior art date
Application number
CN 201010239491
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Chinese (zh)
Inventor
陈恩
Original Assignee
华为终端有限公司
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Priority to CN201010115846.1 priority Critical
Priority to CN201010115846A priority patent/CN101794193A/en
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to CN 201010239491 priority patent/CN101893997A/en
Publication of CN101893997A publication Critical patent/CN101893997A/en

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/013Eye tracking input arrangements
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 – G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1613Constructional details or arrangements for portable computers
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/16Indexing scheme relating to G06F1/16 - G06F1/18
    • G06F2200/161Indexing scheme relating to constructional details of the monitor
    • G06F2200/1614Image rotation following screen orientation, e.g. switching from landscape to portrait mode

Abstract

The embodiment of the invention provides a video control method and an electronic device. The video control method comprises the following steps: detecting a first detection element and a second detection element in a user scene at a first time, and determining an initial value in the vector direction of a user plane, wherein the vector direction of the user plane is the connection direction from the first detection element to the second detection element; detecting the first detection element and the second detection element at a second time, and determining a present value in the vector direction of the user plane; and determining a rotating angle value in the vector direction of the user plane from the first time to the second time according to the present value in the vector direction of the user plane and the initial value in the vector direction of the user plane, and controlling the rotating angle value in the vector direction of the broadcast video, wherein the vector direction of the broadcast video is the connection direction from a first characteristic point to a second characteristic point in the broadcast video. The technical scheme provided by the embodiment of the invention can facilitate users to watch videos on a display screen.

Description

Menu control method and electronic equipment

The application require on February 23rd, 2010 submit that Patent Office of the People's Republic of China, application number are 201010115846.1 to, denomination of invention is the right of priority of the Chinese patent application of " menu control method and electronic equipment ", its full content is contained among the application by reference.

Technical field

The present invention relates to technical field of image processing, particularly a kind of menu control method and electronic equipment.

Background technology

User's rotating mobile how no matter in the prior art, the picture of mobile phone play remains positive dirction up, this is because mobile phone direction of passage induction pick-up detects gravity direction, thereby the picture positive dirction that can guarantee mobile phone play always up, such very important person stands on the plane on the vertical face of land, just can watch the picture of mobile phone play.

The shortcoming of prior art is:

If mobile phone and user are in weightless occasion, the direction inductor sensor can't detect gravity direction, and the positive dirction that therefore can not guarantee the picture play watches to the user putting to no little inconvenience up.When if the user stands on the plane on the non-perpendicular face of land, because positive dirction and people's face forward of broadcasting pictures have angle, the user needs strabismus or rotation head to watch the picture of broadcast, puts to no little inconvenience to the user.

Summary of the invention

The embodiment of the invention provides a kind of menu control method and electronic equipment, makes things convenient for the user to watch picture on the display screen.

In view of this, the embodiment of the invention provides:

A kind of menu control method comprises:

Constantly detect first in the scene of user place first and detect the key element and the second detection key element, determine the initial value of user's face direction vector, wherein, described user's face direction vector is the line direction that the first detection key element to the second detects key element;

Constantly detect first second and detect the key element and the second detection key element, determine the currency of user's face direction vector;

According to the currency of user's face direction vector and the initial value of user's face direction vector, determine to be carved into the angle value of second moment user's face direction vector rotation from first o'clock, controls playing picture vector direction is rotated described angle value, described broadcasting pictures direction vector be in the broadcasting pictures first unique point to the line direction of second unique point.

A kind of electronic equipment comprises:

Detecting unit is used for judging whether to detect first detection elements and second detection elements of user place scene, when first detection elements in detecting user place scene and second detection elements, determines the value of user's face direction vector according to testing result; Described user's face direction vector is the line direction of first detection elements to second detection elements;

Computing unit is used for according to detecting unit in the value of first user's face direction vector of constantly determining and the detecting unit value at second user's face direction vector of determining constantly, determines to be carved into from first o'clock second angle value of user's face direction vector rotation constantly;

Control module is used for controls playing picture vector direction and rotates described angle value.

A kind of menu control method comprises:

Detect first in the scene of user place and detect the key element and the second detection key element, determine the currency of user's face direction vector;

According to the currency of user's face direction vector and the initial value of user's face direction vector, determine first angle value from the initial value of described user's face direction vector to the currency rotation of described user's face direction vector, second angle value that controls playing picture vector direction rotation is corresponding with described first angle value, described broadcasting pictures direction vector be in the broadcasting pictures first unique point to the line direction of second unique point.

A kind of electronic equipment comprises:

Detecting unit is used to detect first and detects the key element and the second detection key element, determines the currency of user's face direction vector;

Computing unit is used for the currency of user's face direction vector of determining according to detecting unit and the initial value of user's face direction vector, determines first angle value from the initial value of described user's face direction vector to the currency rotation of described user's face direction vector;

Control module is used for controls playing picture vector direction rotation second angle value corresponding with described first angle value.

The embodiment of the invention determines to be carved into from first o'clock the angle value of second moment user's face direction vector rotation according to user's face direction vector value and first user's face direction vector value constantly in second moment, and then controls playing picture vector direction is rotated described angle value, when the direction that guarantees the detection key element on user's face rotates, the direction of the picture of being play is rotation synchronously also, makes things convenient for the user to watch picture.

Description of drawings

In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is a kind of menu control method process flow diagram that the embodiment of the invention provides;

Fig. 2 is the another kind of menu control method process flow diagram that the embodiment of the invention provides;

Fig. 3 is the reference frame synoptic diagram that the embodiment of the invention provides;

Fig. 4 is T1 moment user's face direction vector synoptic diagram that the embodiment of the invention provides;

Fig. 5 is the T1 moment broadcasting pictures direction vector synoptic diagram that the embodiment of the invention provides;

Fig. 6 is T2 moment user's face direction vector synoptic diagram that the embodiment of the invention provides;

Fig. 7 be the embodiment of the invention provide T1 the time be carved into T2 user's face direction vector rotation constantly synoptic diagram;

Fig. 8 be the embodiment of the invention provide T1 the time be carved into T2 broadcasting pictures direction vector rotation constantly synoptic diagram;

Fig. 9 is the electronic devices structure figure that the embodiment of the invention provides;

Figure 10 is the process flow diagram of the another menu control method embodiment of the present invention.

Embodiment

Consult Fig. 1, the embodiment of the invention provides a kind of menu control method, and this method comprises:

101, detect first in the scene of user place constantly first and detect the key element and the second detection key element, determine the initial value of user's face direction vector, wherein, user's face direction vector is the line direction that the first detection key element to the second detects key element;

Wherein, the first detection key element and the second detection key element are arranged on the user's body of scene; Perhaps, the first detection key element and second detects key element and is arranged on the object of the non-user's body of scene, on a book that is arranged in user place scene.

Each step of the embodiment of the invention can be carried out by same electronic equipment.Detection can be undertaken by the first-class image pickup element of making a video recording, and detects key element and then can detect by image recognition technology.

Before this step, electronic equipment can have following dual mode to determine key element to be detected:

First kind of mode: electronic equipment obtains the detection key element mark that presets, according to detecting the key element mark, determine that key element to be detected is that the first detection key element and second detects key element, and point out the information of key element to be detected, so that prompting user key element to be detected is first to detect key element and second and detect key element.Wherein, electronic equipment can adopt multiple mode to point out the user key element to be detected, such as the electronic equipment playing notification message, notifies the user key element to be detected; Perhaps output character information on the electronic equipment control display screen curtain is with prompting user key element to be detected.Here, detecting the key element mark can be template or the sample data of using for image recognition, perhaps the data that other can the marker detection key element.

The second way, electronic equipment receives the user and specifies the instruction that detects key element, according to this instruction, determines key element to be detected.Concrete, electronic equipment can provide some to detect key elements and select for the user, receives just can determine key element to be detected after the user specifies certain two instructions that detect key elements.Also can allow the user click on screen and select to detect key element, for example can take current scene, allow the user click the detection key element therein, the key element that the user selects is then discerned and note to electronic equipment by image recognition technology.

102, detect first constantly second and detect the key element and the second detection key element, determine the currency of user's face direction vector;

103,, determine to be carved into the angle value of second moment user's face direction vector rotation from first o'clock according to the currency of user's face direction vector and the initial value of user's face direction vector.

Here, as is known to the person skilled in the art, the direction that can rotate by the positive negative indication of angle value for example to be rotated counterclockwise on the occasion of expression, is represented to turn clockwise with negative value.

104, controls playing picture vector direction is rotated this angle value, wherein, the broadcasting pictures direction vector be in the broadcasting pictures first unique point to the line direction of second unique point.

Wherein, to rotate the process of this angle value promptly be that broadcasting pictures is rotated this angle value to electronic equipment controls playing picture vector direction.

Need to prove, when electronic equipment in step 102 does not detect the first detection key element and/or the second detection key element, then can point out stance adjustment message, this stance adjustment message is used to point out the user to adjust posture, again detect first and detect the key element and the second detection key element, determine the currency of user's face direction vector, and determine the angle value of user's face direction vector rotation according to the initial value of the currency of user's face direction vector and user's face direction vector, controls playing picture vector direction is rotated this angle value.

The embodiment of the invention determines to be carved into from first o'clock the angle value of second moment user's face direction vector rotation according to user's face direction vector value and first user's face direction vector value constantly in second moment, and then controls playing picture vector direction is rotated this angle value, guarantee when user's face direction vector rotates, the direction of the picture of being play is rotation synchronously also, makes things convenient for the user to watch picture.

Following is that Fig. 2 shows the process flow diagram of an embodiment of this menu control method to the detailed description of the menu control method of the present invention's proposition, and this method specifically comprises:

201, after electronic equipment receives the instruction that starts the image rotation, obtain the detection key element mark that presets, according to detecting the key element mark, determine key element to be detected two eyes for the user, prompting user key element to be detected is two eyes of user, and the prompting user adjusts electronic equipment direction or the picture that watch electronic equipment of sitting posture to guarantee that the user can be comfortable.

Concrete, electronic equipment can adopt multiple mode to point out the user key element to be detected, such as the electronic equipment playing notification message, notifies two eyes of user's key element to be detected for the user; Perhaps output character information on the electronic equipment control display screen curtain is user's eyes with prompting user key element to be detected.Certainly, the eyes with the user serve as that the detection key element is an example here, also can select other to detect key element.

202, electronic equipment is set up reference frame, use camera to detect user's eyes, determine the value of user's face direction vector in current time (the being assumed to T1 constantly) reference frame, wherein, user's face direction vector is the line direction of the first detection key element (user's left eye) to the second detection key element (user's right eye); And choose two unique points (first unique point and second unique point) in the broadcasting pictures, and determine the value of current time broadcasting pictures direction vector, wherein, the broadcasting pictures direction vector is the line direction of first unique point to second unique point.

The user's face vector determined in this step and broadcasting pictures vector are all based on this reference frame.

Wherein, the reference frame that electronic equipment is set up in this step can be for static coordinate.The display screen of supposing electronic equipment is a rectangle, then electronic equipment is a true origin with the intersection point of its display screen diagonal, determine that long limit is the Y-axis of coordinate system, determines that minor face is the X-axis of coordinate system, wherein, Fig. 3 shows an instantiation of the reference frame that this step sets up.Need to prove, the display screen of foregoing description electronic equipment is that rectangle only is exemplary illustration, the electronic equipment of the embodiment of the invention can adopt the display screen of Any shape, and the true origin of reference frame, Y-axis, choosing also of X-axis can have other implementations, do not repeat them here.

In this step and the subsequent step, electronic equipment can use camera to detect user's eyes, concrete, camera is taken user's face image, obtain two features that are similar to elliptical shape the most black in user's face image, and preserve the data of these two features, these two features are two and detect key elements.Certainly, also can judge the position of eyes, not do qualification here by the algorithm of other image recognitions.According to the relation of face image place coordinate system and reference frame, detect key element with two and be transformed in the reference frame.The value of supposing the closure (user's face direction vector) of current time first detection key element to the second detection key element is " face feature direction _ t1 ".Specifically as shown in Figure 4.

The value of supposing the broadcasting pictures direction vector of determining in this step is " broadcasting pictures direction _ t1 ", and the supposition broadcasting pictures overlaps with electronic equipment display screen among this embodiment, and Fig. 5 has specifically illustrated " broadcasting pictures direction _ t1 ".

203, electronic equipment periodically uses camera detection user's eye position, determines the value of user's face direction vector in the reference frame.

If electronic equipment is to use camera to detect user's eyes, electronic equipment can be controlled the face image that camera is periodically taken the user, data according to two features of preserving in advance, determine the eyes in the face image, relation according to face image place coordinate system and reference frame, detect key elements with two and be transformed in the reference frame, suppose that first to detect the value that key element to the second detects the direction of key element be face feature direction _ t2 constantly at T2, as shown in Figure 6.

204, electronic equipment compares the value (" face feature direction _ t1 ") of T1 moment user's face direction vector and the value (" face feature direction _ t2 ") of T2 moment user's face direction vector, is carved into the angle A that T2 moment user's face direction vector rotates when calculating from T1.

Continuous above-mentioned example, if clockwise direction is a forward, then angle A be on the occasion of; If be forward counterclockwise, then this angle A is a negative value, and Fig. 7 is shown the process synoptic diagram of asking angle A.

205, electronic equipment controls playing picture vector direction anglec of rotation A.

The electronic equipment controls playing picture vector direction angle A that turns clockwise in this step, the direction value of then postrotational broadcasting pictures vector is " broadcasting pictures direction _ t2 ", as shown in Figure 8.

The electronic equipment controls playing picture vector direction angle A that turns clockwise is equivalent to the corresponding relation of user and broadcasting pictures be remained unchanged the whole broadcasting pictures angle A that turns clockwise in this step, makes things convenient for the user to watch picture on the display screen.

Carry out exemplary illustration with two moment (T1 and T2) in the foregoing description, follow-up electronic equipment can compare the value (being assumed to " face feature direction _ t3 ") of detected T3 moment user's face direction vector and the value (" face feature direction _ t2 ") of T2 moment user's face direction vector, calculating is carved into the T3 anglec of rotation B of user's face direction vector constantly during from T2, and controls playing picture vector direction is rotated accordingly then.

If electronic equipment uses left eye or the right eye of camera detection less than the user in step 205, then point out the user to adjust posture, again scan, obtain the currency of user's face direction vector, according to the currency of user's face direction vector and the initial value of user's face direction vector (" face feature direction _ t1 "), determine the angle value of user's face vector rotation, the controls playing picture vector is rotated this angle value, guarantees that the picture of playing also rotates identical angle to the direction that user's head is rotated.Wherein, can adopt multiple mode to point out the user to adjust posture,, perhaps adopt on display screen and to show that information adjusts posture with the prompting user such as the mode that can adopt verbal announcement.Concrete, if electronic equipment uses camera detection user's eyes, in the user's who takes face image, there are not user's eyes, represent that then electronic equipment detects the eyes less than the user.

The embodiment of the invention determines to be carved into from first o'clock the angle value of second moment user's face direction vector rotation according to user's face direction vector value and first user's face direction vector value constantly in second moment, and then controls playing picture vector direction is rotated this angle value, guarantee when user's head rotation, the identical angle of direction rotation that the picture of being play is also rotated to user's head, make things convenient for the user to watch picture, can arbitrarily adjust under the situation of posture the user, can both guarantee that the user faces broadcasting pictures, improve user experience.This technical scheme can be widely used in GPS (Global Positioning System, GPS), in the navigation products such as Map; And be in the weightless scene the user, the picture of broadcast also is moved according to user's head rotation, makes things convenient for the user to watch.Further, the technical scheme of the embodiment of the invention can make display frame anti-shake, such as the user when the airplane, an embedded LCD player on the backrest at seat, user front, aircraft met air-flow and began to jolt this moment, and user and LCD also can not stop shake, because picture that LCD plays and user's corresponding relation remain unchanged, broadcasting pictures is not shaken with respect to the user, makes things convenient for the user to watch.

As shown in figure 10, another embodiment of the present invention provides a kind of menu control method, comprises the steps:

301, detect first in the scene of user place and detect the key element and the second detection key element, determine the currency of user's face direction vector;

Wherein, the first detection key element and the second detection key element are arranged on the user's body of scene; Perhaps, the first detection key element and second detects key element and is arranged on the object of the non-user's body of scene, on a book that is arranged in user place scene.

Each step of the embodiment of the invention can be carried out by same electronic equipment.Detection can be undertaken by the first-class image pickup element of making a video recording, and detects key element and then can detect by image recognition technology.

The specific implementation of this step can not given unnecessary details with reference to the embodiment of front herein.

302, according to the currency of user's face direction vector and the initial value of user's face direction vector, determine first angle value from the initial value of described user's face direction vector to the currency rotation of described user's face direction vector, second angle value that controls playing picture vector direction rotation is corresponding with described first angle value, described broadcasting pictures direction vector be in the broadcasting pictures first unique point to the line direction of second unique point.

Here, the initial value of user's face direction vector can be to detect in advance to determine, also can pre-set, and for example sets in advance to be horizontal direction.Second angle value can be equal with first angle value, also can be unequal.For example, when the absolute value of first angle value during less than default rotation threshold value, the second corresponding angle value is 0 degree, and when the absolute value of first angle value is spent greater than the rotation threshold value of presetting and less than 90, the second corresponding angle value is 90 degree, and second angle value and the first angle value jack per line.Here rotating threshold value can set as required, for example is 45 degree or 30 degree etc., and this threshold value can be preset in the electronic equipment in advance, also can be set up on their own by the user.In fact, in many cases, when for example seeing text, the integral multiple that second angle value is set to 90 degree is proper.In more than describing, as is known to the person skilled in the art, the direction that can rotate by the positive negative indication of angle value for example to be rotated counterclockwise on the occasion of expression, is represented to turn clockwise with negative value.

The specific implementation of this step can repeat no more with reference to the description of front embodiment herein.

The embodiment of the invention is determined the angle value that user's face direction vector rotates according to the currency of user's face direction vector and the initial value of user's face direction vector, and then controls playing picture vector direction is rotated corresponding angle value, make things convenient for the user to watch picture, can arbitrarily adjust under the situation of posture the user, can both guarantee that the user faces broadcasting pictures, improve user experience.This technical scheme can be widely used in GPS (Global Positioning System, GPS), in the navigation products such as Map; And be in the weightless scene the user, perhaps under the posture that lies low, the picture of broadcast also rotates according to user's head rotation, makes things convenient for the user to watch.

Consult Fig. 9, the embodiment of the invention provides a kind of electronic equipment, comprising:

Detecting unit 901, be used for judging whether to detect first detection elements and second detection elements of user place scene, first detection elements in detecting user place scene and second detection elements are determined the value of user's face direction vector according to testing result; Described user's face direction vector is the line direction of first detection elements to second detection elements;

Computing unit 902, be used for according to detecting unit 901 in the value of first user's face direction vector of constantly determining and detecting unit 901 value, determine to be carved into second angle value of user's face direction vector rotation constantly from first o'clock at second user's face direction vector of determining constantly;

Control module 903 is used for controls playing picture vector direction and rotates this angle value.

Wherein, the first detection key element and the second detection key element are arranged on the user's body of user place scene; Perhaps, first detect key element and second and detect on the object of non-user's body that key element is arranged in user place scene.

If detecting key element, the first detection key element and second is positioned on the user's body, then detecting unit 901, also be used for when detecting less than first detection elements and/or second detection elements, prompting stance adjustment message, described stance adjustment message is used to point out the user to adjust posture, again detect first and detect the key element and the second detection key element, determine the value of user's face direction vector according to testing result.

This electronic equipment also comprises:

First detects key element determining unit 904, is used to obtain the detection key element mark that presets, and according to described detection key element mark, determines that described detecting unit key element to be detected is that the first detection key element and second detects key element.

Display unit 905 is used to show that described first detects the information of the key element to be detected that key element determining unit 904 determines; Perhaps, speech play unit 906 is used for playing notification message, and described notification message is used to notify first information that detects the key element to be detected that key element determining unit 904 determines.

Perhaps, this electronic equipment comprises that also second detects the key element determining unit, is used to receive the user and specifies the instruction that detects key element, according to this instruction, determines that detecting unit 901 key elements to be detected are that the first detection key element and second detects key element.

The embodiment of the invention determines to be carved into from first o'clock the angle value of second moment user's face direction vector rotation according to user's face direction vector value and first user's face direction vector value constantly in second moment, and then controls playing picture vector direction is rotated described rotation angle value, guarantee when user's head rotation, the picture of being play is also to the direction rotation identical angle identical with the rotation of user's head, make things convenient for the user to watch picture, can arbitrarily adjust under the situation of posture the user, can both guarantee that the user faces broadcasting pictures, improve user experience.This technical scheme can be widely used in GPS, in the navigation products such as Map; And be in the weightless scene the user, the picture of broadcast also is moved according to user's head rotation, makes things convenient for the user to watch.Further, the technical scheme of the embodiment of the invention can make display frame anti-shake, such as the user when the airplane, an embedded LCD player on the backrest at seat, user front, aircraft met air-flow and began to jolt this moment, and user and LCD also can not stop shake, because picture that LCD plays and user's corresponding relation remain unchanged, broadcasting pictures is not shaken with respect to the user, makes things convenient for the user to watch.

Another embodiment of the present invention provides a kind of electronic equipment, comprising:

Detecting unit 901 is used to detect first and detects the key element and the second detection key element, determines the currency of user's face direction vector;

Computing unit 902, be used for the currency of user's face direction vector of determining according to detecting unit 901 and the initial value of user's face direction vector, determine first angle value from the initial value of described user's face direction vector to the currency rotation of described user's face direction vector;

Control module 903 is used for controls playing picture vector direction rotation second angle value corresponding with described first angle value.

Wherein, the first detection key element and the second detection key element are arranged on the user's body of scene; Perhaps, the first detection key element and second detects key element and is arranged on the object of the non-user's body of scene, on a book that is arranged in user place scene.

Each step of the embodiment of the invention can be carried out by same electronic equipment.Detection can be undertaken by the first-class image pickup element of making a video recording, and detects key element and then can detect by image recognition technology.

Here, the initial value of user's face direction vector can be to detect in advance to determine, also can pre-set, and for example sets in advance to be horizontal direction.Second angle value can be equal with first angle value, also can be unequal.For example, when the absolute value of first angle value during less than default rotation threshold value, the second corresponding angle value is 0 degree, and when the absolute value of first angle value is spent greater than the rotation threshold value of presetting and less than 90, the second corresponding angle value is 90 degree, and second angle value and the first angle value jack per line.Here rotating threshold value can set as required, for example is 45 degree or 30 degree etc., and this threshold value can be preset in the electronic equipment in advance, also can be set up on their own by the user.In fact, in many cases, when for example seeing text, the integral multiple that second angle value is set to 90 degree is proper.In more than describing, as is known to the person skilled in the art, the direction that can rotate by the positive negative indication of angle value for example to be rotated counterclockwise on the occasion of expression, is represented to turn clockwise with negative value.

More than electronic equipment among each embodiment can be hand-hold electronic equipments such as mobile phone, handheld device, panel computer, GPS navigation instrument.

The specific implementation of present embodiment can repeat no more with reference to the description of front embodiment herein.

The embodiment of the invention is determined the angle value that user's face direction vector rotates according to the currency of user's face direction vector and the initial value of user's face direction vector, and then controls playing picture vector direction is rotated corresponding angle value, make things convenient for the user to watch picture, can arbitrarily adjust under the situation of posture the user, can both guarantee that the user faces broadcasting pictures, improve user experience.This technical scheme can be widely used in GPS (Global Positioning System, GPS), in the navigation products such as Map; And be in the weightless scene the user, perhaps under the posture that lies low, the picture of broadcast also rotates according to user's head rotation, makes things convenient for the user to watch.

One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, for example ROM (read-only memory), flash memory, disk or CD etc.

In addition; the technical characterictic that illustrates respectively among each technology, system, device, method and each embodiment that illustrates respectively among the above embodiment can make up; thereby form other the module do not break away within the spirit and principles in the present invention; method, device, system and technology; the module that these combine according to the record of the embodiment of the invention; method, device, system and technology are all within protection scope of the present invention.

More than menu control method and electronic equipment that the embodiment of the invention provided are described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (19)

1. a menu control method is characterized in that, comprising:
Constantly detect first in the scene of user place first and detect the key element and the second detection key element, determine the initial value of user's face direction vector, wherein, described user's face direction vector is the line direction that the first detection key element to the second detects key element;
Constantly detect first second and detect the key element and the second detection key element, determine the currency of user's face direction vector;
According to the currency of user's face direction vector and the initial value of user's face direction vector, determine to be carved into the angle value of second moment user's face direction vector rotation from first o'clock, controls playing picture vector direction is rotated described angle value, described broadcasting pictures direction vector be in the broadcasting pictures first unique point to the line direction of second unique point.
2. method according to claim 1, its detection be,
The described first detection key element and second detects key element and is arranged on the user's body of described scene;
Perhaps,
The described first detection key element and second detects key element and is arranged on the object of the non-user's body of described scene.
3. method according to claim 2 is characterized in that,
If the described first detection key element and second detects key element and is arranged on the user's body of described scene, when second does not detect the first detection key element and/or the second detection key element constantly, prompting stance adjustment message, described stance adjustment message is used to point out the user to adjust posture, again detect first and detect the key element and the second detection key element, determine the currency of user's face direction vector, according to the currency of user's face direction vector and the initial value of user's face direction vector, determine the angle value of user's face direction vector rotation, controls playing picture vector direction is rotated described angle value.
4. method according to claim 1, its detection be,
Before first detected the detection key element of first in the scene of user place and the second detection key element constantly, this method also comprised:
Obtain the detection key element mark that presets,, determine that key element to be detected is that the first detection key element and second detects key element, points out the information of described key element to be detected according to described detection key element mark;
Perhaps,
Receive the user and specify the instruction that detects key element,, determine that key element to be detected is that the first detection key element and second detects key element according to described instruction.
5. an electronic equipment is characterized in that, comprising:
Detecting unit is used for judging whether to detect first detection elements and second detection elements of user place scene, when first detection elements in detecting user place scene and second detection elements, determines the value of user's face direction vector according to testing result; Described user's face direction vector is the line direction of first detection elements to second detection elements;
Computing unit is used for according to detecting unit in the value of first user's face direction vector of constantly determining and the detecting unit value at second user's face direction vector of determining constantly, determines to be carved into from first o'clock second angle value of user's face direction vector rotation constantly;
Control module is used for controls playing picture vector direction and rotates described angle value.
6. electronic equipment according to claim 5 is characterized in that,
The described first detection key element and second detects key element and is arranged on the user's body of user place scene;
Perhaps,
Described first detects key element and second detects on the object of non-user's body that key element is arranged in user place scene.
7. electronic equipment according to claim 6 is characterized in that,
Detecting unit, also be used for when detecting less than first detection elements and/or second detection elements, prompting stance adjustment message, described stance adjustment message is used to point out the user to adjust posture, again detect first and detect the key element and the second detection key element, determine the value of user's face direction vector according to testing result;
The described first detection key element and second detects key element and is positioned on the user's body.
8. electronic equipment according to claim 5 is characterized in that, also comprises:
First detects the key element determining unit, is used to obtain the detection key element mark that presets, and according to described detection key element mark, determines that described detecting unit key element to be detected is that the first detection key element and second detects key element.
9. electronic equipment according to claim 8 is characterized in that, also comprises:
Display unit is used to show that described first detects the information of the definite key element to be detected of key element determining unit;
Perhaps,
The speech play unit is used for playing notification message, and described notification message is used to notify the information of the definite key element to be detected of the first detection key element determining unit.
10. electronic equipment according to claim 5 is characterized in that, also comprises:
Second detects the key element determining unit, is used to receive the user and specifies the instruction that detects key element, according to described instruction, determines that described detecting unit key element to be detected is that the first detection key element and second detects key element.
11. a menu control method is characterized in that, comprising:
Detect first in the scene of user place and detect the key element and the second detection key element, determine the currency of user's face direction vector;
According to the currency of user's face direction vector and the initial value of user's face direction vector, determine first angle value from the initial value of described user's face direction vector to the currency rotation of described user's face direction vector, second angle value that controls playing picture vector direction rotation is corresponding with described first angle value, described broadcasting pictures direction vector be in the broadcasting pictures first unique point to the line direction of second unique point.
12. method as claimed in claim 11 is characterized in that: when the absolute value of described first angle value during less than default rotation threshold value, described second angle value is 0 degree.
13. as claim 11 or 12 described methods, it is characterized in that when the absolute value of described first angle value is spent greater than default rotation threshold value and less than 90, the absolute value of described second angle value is 90 degree, and described second angle value and the described first angle value jack per line.
14. method as claimed in claim 11 is characterized in that:
If the described first detection key element and second detects key element and is arranged on the user's body of described scene, when not detecting the first detection key element and/or the second detection key element, prompting stance adjustment message, described stance adjustment message is used to point out the user to adjust posture, again detect first and detect the key element and the second detection key element, determine the currency of user's face direction vector.
15. an electronic equipment is characterized in that, comprising:
Detecting unit is used to detect first and detects the key element and the second detection key element, determines the currency of user's face direction vector;
Computing unit is used for the currency of user's face direction vector of determining according to detecting unit and the initial value of user's face direction vector, determines first angle value from the initial value of described user's face direction vector to the currency rotation of described user's face direction vector;
Control module is used for controls playing picture vector direction rotation second angle value corresponding with described first angle value.
16. electronic equipment according to claim 15 is characterized in that,
Detecting unit, also be used for when detecting less than first detection elements and/or second detection elements, prompting stance adjustment message, described stance adjustment message is used to point out the user to adjust posture, again detect first and detect the key element and the second detection key element, determine the value of user's face direction vector according to testing result;
The described first detection key element and second detects key element and is positioned on the user's body.
17. electronic equipment according to claim 15 is characterized in that, also comprises:
First detects the key element determining unit, is used to obtain the detection key element mark that presets, and according to described detection key element mark, determines that described detecting unit key element to be detected is that the first detection key element and second detects key element.
18. electronic equipment according to claim 15 is characterized in that, also comprises:
Display unit is used to show that described first detects the information of the definite key element to be detected of key element determining unit;
Perhaps,
The speech play unit is used for playing notification message, and described notification message is used to notify the information of the definite key element to be detected of the first detection key element determining unit.
19. electronic equipment according to claim 15 is characterized in that, also comprises:
Second detects the key element determining unit, is used to receive the user and specifies the instruction that detects key element, according to described instruction, determines that described detecting unit key element to be detected is that the first detection key element and second detects key element.
CN 201010239491 2010-02-23 2010-07-23 Video control method and electronic device CN101893997A (en)

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