CN105049709A - Large-view angle camera control method and user terminal - Google Patents
Large-view angle camera control method and user terminal Download PDFInfo
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- CN105049709A CN105049709A CN201510381770.XA CN201510381770A CN105049709A CN 105049709 A CN105049709 A CN 105049709A CN 201510381770 A CN201510381770 A CN 201510381770A CN 105049709 A CN105049709 A CN 105049709A
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Abstract
The embodiment of the invention discloses a large-view angle camera control method and a user terminal. The method comprises steps: when a photographing function of the large-view angle camera is opened, voice signals in the current environment are firstly acquired, and a voice source region for the voice signals is determined; a straight line formed between a central point of the voice source region and a central point of an imaging region of the large-view angle camera is determined, and an included angle between the straight line and a vertical line of the imaging region of the large-view angle camera is determined; and finally, according to the included angle, a rotating angle of the large-view angle camera is determined, and according to the rotating angle, the large-view angle camera is controlled to rotate until the included angle is smaller than a preset angle threshold. In the embodiment of the invention, rotation of the large-view angle camera does not need to be manually controlled by a user, the user terminal only needs to control the large-view angle camera to rotate according to the determined rotating angle, and thus, the operation steps during the photographing process by using the large-view angle camera can be simplified.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to one camera control method and user terminal with great visual angle.
Background technology
Along with the fast development of electronic technology and the universal rapidly of terminal, the function of terminal is day by day perfect, and the configuration of terminal is also become better and better.Such as, increasing terminal configuration is made a video recording with great visual angle first-class, the excellent picture during therefore user can utilize terminal record to live.But, in actual applications, when needs take some users or some pictures, usually need the camera rotation with great visual angle of user's Non-follow control, can shooting be completed.Visible, use with great visual angle in camera shooting process at present, complex operation.
Summary of the invention
Embodiments provide one camera control method and user terminal with great visual angle, the operating procedure used in camera shooting process with great visual angle can be simplified.
First aspect, the embodiment of the invention discloses one camera control method with great visual angle, comprising:
When opening the shoot function of camera with great visual angle, gathering the voice signal in current environment, and determining the sound source region of described voice signal;
Determine straight line formed by the central point in described sound source region and the imaging region center point of described camera with great visual angle, and determine described straight line and described camera with great visual angle imaging region vertical line formed by angle;
The anglec of rotation of camera with great visual angle described in determining according to described angle, and described in controlling according to the described anglec of rotation with great visual angle camera rotate to described angle and be less than the angle threshold preset.
In conjunction with the implementation of first aspect, in the first possible implementation of first aspect, described step is when opening the shoot function of camera with great visual angle, gather the voice signal in current environment, and before determining the sound source region of described voice signal, described method can also comprise the following steps:
Obtain the brightness value of current environment;
Whether the brightness value detecting described current environment is greater than predetermined luminance value threshold value;
When detecting the brightness value of described current environment and being greater than described predetermined luminance value threshold value, the shoot function of camera with great visual angle described in unlatching.
In conjunction with the first possible implementation of first aspect, in the implementation that the second of first aspect is possible, after angle formed by the vertical line that described step determines the imaging region of described straight line and described camera with great visual angle, described step determine according to described angle described in camera with great visual angle the anglec of rotation before, described method can also comprise the following steps:
Detect described angle whether be greater than described in the angle threshold that presets;
If detect described angle be greater than described in the angle threshold that presets, then perform described determine according to described angle described in the step of the anglec of rotation of camera with great visual angle.
In conjunction with the first possible implementation of first aspect or the possible implementation of the second of first aspect, in the third possible implementation of first aspect, after described step gathers the voice signal in current environment, before described step determines the sound source region of described voice signal, described method can also comprise the following steps:
Obtain the keyword collected in current environment;
Detect described keyword and whether belong to the keyword set prestored;
If detect described keyword to belong to the keyword set prestored, then perform the described step determining the sound source region of described voice signal.
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation of first aspect, described step determine according to described angle described in the anglec of rotation of camera with great visual angle, and after described in controlling according to the described anglec of rotation, camera rotation is less than to described angle the angle threshold preset with great visual angle, described method can also comprise the following steps:
The characteristics of image of preview image in the imaging region of camera with great visual angle described in acquisition;
Judge whether described preview image distorts according to described characteristics of image;
If judge that described preview image distorts according to described characteristics of image, then export the information at the shooting visual angle for pointing out camera with great visual angle described in adjustment.
Second aspect, the embodiment of the invention discloses a kind of user terminal, comprising:
First determining unit, for when opening the shoot function of camera with great visual angle, gathering the voice signal in current environment, and determining the sound source region of described voice signal;
Second determining unit, for the central point and described camera with great visual angle of determining the described sound source region that described first determining unit is determined imaging region center point formed by straight line, and determine described straight line and described camera with great visual angle imaging region vertical line formed by angle;
Control unit, the angle for determining according to described second determining unit determine described in the anglec of rotation of camera with great visual angle, and described in controlling according to the described anglec of rotation with great visual angle camera rotate to described angle and be less than the angle threshold preset.
In conjunction with the user terminal that second aspect provides, in the first possible user terminal of second aspect, described user terminal also comprises:
First acquiring unit, for obtaining the brightness value of current environment;
Whether the first detecting unit, be greater than predetermined luminance value threshold value for the brightness value detecting the current environment that described first acquiring unit obtains;
Open unit, for when the brightness value that described first detecting unit detects described current environment is greater than described predetermined luminance value threshold value, the shoot function of camera with great visual angle described in unlatching.
In conjunction with the first possible user terminal of second aspect, in the user terminal that the second of second aspect is possible, described user terminal also comprises:
Second detecting unit, the angle threshold preset described in whether the angle determined for detecting described second determining unit is greater than, if described second detecting unit detect described angle be greater than described in the angle threshold that presets, then trigger described control unit determine according to described angle described in the anglec of rotation of camera with great visual angle.
In conjunction with the first possible user terminal of second aspect or the possible user terminal of second aspect the second, in the third possible user terminal of second aspect, described user terminal also comprises:
Second acquisition unit, for obtaining the keyword collected in current environment;
3rd detecting unit, whether the keyword obtained for detecting described second acquisition unit belongs to the keyword set prestored, if the keyword that described 3rd detecting unit detects the acquisition of described second acquisition unit belongs to the keyword set prestored, then trigger the sound source region that described first determining unit determines described voice signal.
In conjunction with the third possible user terminal of second aspect, in the 4th kind of possible user terminal of second aspect, described user terminal also comprises:
3rd acquiring unit, for the characteristics of image of preview image in the imaging region of camera with great visual angle described in obtaining;
For the characteristics of image obtained according to described 3rd acquiring unit, judging unit, judges whether described preview image distorts;
Output unit, if judge that described preview image distorts for described judging unit according to described characteristics of image, then exports the information at the shooting visual angle for pointing out camera with great visual angle described in adjustment.
In the embodiment of the present invention, when opening the shoot function of camera with great visual angle, first gathering the voice signal in current environment, and determining the sound source region of described voice signal; Straight line formed by the imaging region center point of the central point determining described sound source region again and camera with great visual angle, and determine described straight line and described camera with great visual angle imaging region vertical line formed by angle; Last determine according to described angle described in the anglec of rotation of camera with great visual angle, and described in controlling according to the described anglec of rotation with great visual angle camera rotate to described angle and be less than the angle threshold preset.In embodiments of the present invention, without the need to the camera rotation with great visual angle of user's Non-follow control, user terminal only need control camera with great visual angle to carry out rotating according to the anglec of rotation determined.Visible, implement the embodiment of the present invention and can simplify the operating procedure used in camera shooting process with great visual angle.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of camera control method with great visual angle disclosed in the embodiment of the present invention;
Fig. 2 is the schematic flow sheet of the disclosed another kind of camera control method with great visual angle of the embodiment of the present invention;
Fig. 3 is the structural representation of a kind of user terminal disclosed in the embodiment of the present invention;
Fig. 4 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses one camera control method and user terminal with great visual angle, in embodiments of the present invention, without the need to the camera rotation with great visual angle of user's Non-follow control, user terminal only need control camera with great visual angle to carry out rotating according to the anglec of rotation determined.Visible, implement the embodiment of the present invention and can simplify the operating procedure used in camera shooting process with great visual angle.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of a kind of camera control method with great visual angle disclosed in the embodiment of the present invention.Wherein, method shown in Fig. 1 can be applied to smart mobile phone (as Android phone, iOS mobile phone etc.), panel computer, palmtop PC and mobile internet device (MobileInternetDevices, MID), PAD etc. and be provided with in the user terminal of camera with great visual angle.As shown in Figure 1, this with great visual angle camera control method can comprise the following steps:
S101, when opening the shoot function of camera with great visual angle, gathering the voice signal in current environment, and determining the sound source region of voice signal.
In the embodiment of the present invention, step, when opening the shoot function of camera with great visual angle, gathers the voice signal in current environment, and determines that the sound source region of voice signal can comprise the following steps:
11) when opening the shoot function of camera with great visual angle, the image of target spokesman is gathered by image capture device;
12) from this image, the mouth region of target spokesman is determined, as sound source region.
In the embodiment of the present invention, image capture device can be one or more, can be integrated in speech signal processing device inside, also can be the external equipment independent of speech signal processing device; Image capture device can be the subscriber equipment being equipped with camera with great visual angle, and the embodiment of the present invention is not construed as limiting.
As the optional execution mode of one, before the mouth region determining target spokesman from this image, the facial image whether comprising target spokesman in this image can be detected, i.e. the process of Face datection.Common Face datection has following several method: the Face datection method of feature based, the Face datection method of template matches, Face datection method etc. based on outward appearance.Wherein, the implementation procedure of the Face datection method of feature based is compare, the characteristic information of the image of extraction and the face characteristic information prestored to judge whether to comprise face; The implementation procedure of the Face datection method of template matches is mated with the face template set up in advance by image, to judge whether to comprise face; Implementation procedure based on the Face datection method of outward appearance is compare, the face of image and training in advance and non-face grader to judge whether to comprise face.In this embodiment, above-mentioned method for detecting human face can be used alone, and also can be combined.
As the optional execution mode of another kind, when comprising facial image in this image, in this facial image region, adopt Ha Er Haar mouth feature grader, the approximate location of location mouth on this facial image; The principle of 1/3rd ratios is met according to face features distribution, the position in region, face bottom 1/3 will be met in the approximate location of the mouth of acquisition, be defined as the final position of mouth, and delimited as mouth region, this mouth region is sound source region.
S102, determine sound source region central point and camera with great visual angle imaging region center point formed by straight line, and angle formed by the vertical line determining straight line and the imaging region of camera with great visual angle.
In the embodiment of the present invention, behind the sound source region of the voice signal determining to collect, straight line formed by the imaging region center point of the central point then can determining this sound source region and camera with great visual angle, and angle formed by the vertical line can determining this straight line and the imaging region of camera with great visual angle.
As the optional execution mode of one, behind the sound source region of the voice signal determining to collect, can also by the predeterminable area of determining this sound source region straight line with camera imaging region with great visual angle, then angle formed by the vertical line determining this straight line and the imaging region of camera with great visual angle.In this embodiment, predeterminable area can be using sound source regional center point as foundation, and to surrounding expansion, and the size of this predeterminable area can decide according to the size in the sound source region determined.Wherein, predeterminable area can be regular figure also can be irregular figure, and the shape the present invention for predeterminable area is not construed as limiting.
S103, determine the anglec of rotation of camera with great visual angle according to angle, and control camera with great visual angle according to the anglec of rotation and rotate to angle and be less than the angle threshold preset.
In the embodiment of the present invention, when after the anglec of rotation determining camera with great visual angle according to above-mentioned angle, camera with great visual angle can be controlled and rotate, be less than to make above-mentioned angle the angle threshold preset.For example, when above-mentioned angle is 20 degree, when predetermined angle is 5 degree, then can control camera with great visual angle to rotate using first vertical line in camera imaging region with great visual angle as start line, until the second vertical line of the camera with great visual angle obtained after rotating, and namely the angle detecting the first vertical line and the second vertical line stops the rotation for being less than 5 degree.
In FIG, when opening the shoot function of camera with great visual angle, first gathering the voice signal in current environment, and determining the sound source region of voice signal; Straight line formed by the imaging region center point of the central point determining sound source region again and camera with great visual angle, and angle formed by the vertical line determining straight line and the imaging region of camera with great visual angle; The last anglec of rotation determining camera with great visual angle according to angle, and control camera with great visual angle according to the anglec of rotation and rotate to angle and be less than the angle threshold preset.In embodiments of the present invention, without the need to the camera rotation with great visual angle of user's Non-follow control, user terminal only need control camera with great visual angle to carry out rotating according to the anglec of rotation determined.Visible, implement the embodiment of the present invention and can simplify the operating procedure used in camera shooting process with great visual angle.
Refer to Fig. 2, Fig. 2 is the schematic flow sheet of the disclosed another kind of camera control method with great visual angle of the embodiment of the present invention.As shown in Figure 2, this with great visual angle camera control method can comprise the following steps:
The brightness value of S201, acquisition current environment.
Whether the brightness value of S202, detection current environment is greater than predetermined luminance value threshold value.
If when the brightness value of S203 detection current environment is greater than predetermined luminance value threshold value, open the shoot function of camera with great visual angle.
In the embodiment of the present invention, because camera uses under the environment that brightness value is high with great visual angle, effect is better.Therefore, judgment basis can be preset at user terminal, as: if when whether the brightness value of current environment is greater than predetermined luminance value threshold value, then open the shoot function of camera with great visual angle.
In the embodiment of the present invention, the setting of luminance threshold can be that user sets as required, also can be that user terminal sets according to user's history setting recording, can also be the hardware information that user terminal obtains local terminal, the hardware information according to local terminal sets.
In the embodiment of the present invention, the shoot function whether opening camera with great visual angle can also be determine according at least one in current positional information and temporal information.
For example, the shoot function determining whether to open camera with great visual angle when the positional information current according to user terminal can comprise the following steps:
11) environmental information of current environment is obtained;
12) detect the permission prestored and open in environmental information set corresponding to camera function with great visual angle the environmental information whether comprising current residing environment;
13) if detect the permission prestored to open in environmental information set corresponding to camera function with great visual angle the environmental information comprising current residing environment, then the shoot function of camera is with great visual angle opened.
In the embodiment of the present invention, can preset at user terminal the environmental information needing to open camera with great visual angle.Such as: place of high, the densely populated or broad view of light intensity etc.
In the embodiment of the present invention, after step opens the shoot function of camera with great visual angle, can also comprise the following steps:
21) detect user terminal and whether open camera rotary mode;
22) if detect user terminal to open camera rotary mode, then the voice signal in step collection current environment is performed;
23) if detect user terminal not open camera rotary mode, then export for pointing out the information of opening camera rotary mode.
S204, when the shoot function of camera is with great visual angle in opening, gathers the voice signal in current environment, and determine the sound source region of voice signal.
In the embodiment of the present invention, the size in sound source region can be determined according to the actual size of reference object, and sound source region can be regular figure, and can be also irregular figure, the present invention be not construed as limiting.
In the embodiment of the present invention, step before the sound source region of step determination voice signal, can also comprise the following steps after gathering the voice signal in current environment:
31) keyword collected in current environment is obtained;
32) detect keyword and whether belong to the keyword set prestored;
33) if detect keyword to belong to the keyword set prestored, then the sound source region of step determination voice signal is performed.
In the embodiment of the present invention, some keywords can be preset in the user terminal, as: the phrases such as " hello " " we start meeting now " " one two three eggplant ", when belonging to the keyword prestored in the keyword that user terminal is collected by speech signal collection equipment, user terminal determines the sound source region of the voice signal collected.
S205, determine sound source region central point and camera with great visual angle imaging region center point formed by straight line, and angle formed by the vertical line determining straight line and the imaging region of camera with great visual angle.
Whether S206, detection angle are greater than the angle threshold preset.
If S207 detects angle be greater than the angle threshold preset, determine the anglec of rotation of camera with great visual angle according to angle, and control camera with great visual angle according to the anglec of rotation and rotate to angle and be less than the angle threshold preset.
In the embodiment of the present invention, an angle threshold can be preset in the user terminal, for the foundation whether rotated as camera with great visual angle.Only when detecting this angle and being greater than the angle threshold preset, just control camera with great visual angle and rotate.If detect this angle when being less than or equal to the angle threshold preset, then export for pointing out current without the need to controlling the information that camera with great visual angle rotates.
In the embodiment of the present invention, the angle threshold preset in the user terminal can be that user sets as required, also can be that user terminal sets according to the history setting recording of user, can also be an angle threshold of the system default prestored in user terminal.
In the embodiment of the present invention, when after the anglec of rotation determining camera with great visual angle according to above-mentioned angle, camera with great visual angle can be controlled and rotate, be less than to make above-mentioned angle the angle threshold preset.For example, when above-mentioned angle is 20 degree, when predetermined angle is 5 degree, then can control camera with great visual angle to rotate using first vertical line in camera imaging region with great visual angle as start line, until the second vertical line of the camera with great visual angle obtained after rotating, and namely the angle detecting the first vertical line and the second vertical line stops the rotation for being less than 5 degree.
In the embodiment of the present invention, step controls camera with great visual angle according to the anglec of rotation and rotates to after angle is less than the angle threshold preset, and can also comprise the following steps:
41) characteristics of image of preview image in the imaging region of camera is with great visual angle obtained;
42) judge whether preview image distorts according to characteristics of image;
43) if judge that preview image distorts according to characteristics of image, then the information for pointing out the shooting visual angle adjusting camera is with great visual angle exported.
In the embodiment of the present invention, during owing to using that camera is taken with great visual angle, if when the shooting angle of camera is greater than certain angle with great visual angle, then the preview image collected then has obvious distortion.Wherein, distortion is the actual photographed object for the image corresponding with preview image.As: when the shape of actual photographed object may be square, when using after camera is taken with great visual angle, final imaging may be an irregular figure.
In the embodiment of the present invention, characteristics of image can comprise shape, the size of image, the information such as the distributed intelligence of image slices vegetarian refreshments and the geometric position of image of image.Wherein, the geometric position of the shape of image, the size of image, the distributed intelligence of image slices vegetarian refreshments and image is all for the actual photographed object corresponding relative to this preview image.
In fig. 2, describe user terminal in detail by straight line formed by the imaging region center point of the central point of determining sound source region and camera with great visual angle, and angle formed by the vertical line determining straight line and the imaging region of camera with great visual angle; User terminal determines according to the angle determined the anglec of rotation controlling camera with great visual angle again, and controls camera with great visual angle according to the anglec of rotation and rotate.In embodiments of the present invention, without the need to the camera rotation with great visual angle of user's Non-follow control, user terminal only need control camera with great visual angle to carry out rotating according to the anglec of rotation determined.Visible, implement the embodiment of the present invention and can simplify the operating procedure used in camera shooting process with great visual angle.
Refer to Fig. 3, Fig. 3 is the structural representation of a kind of user terminal disclosed in the embodiment of the present invention, for performing above-mentioned camera control method with great visual angle.Wherein, user terminal involved by Fig. 3 can include but not limited to that smart mobile phone (as Android phone, iOS mobile phone etc.), panel computer, palmtop PC and mobile internet device (MobileInternetDevices, MID), PAD etc. are provided with the user terminal of camera with great visual angle.As shown in Figure 3, this user terminal can comprise: the first determining unit 301, second determining unit 302 and control unit 303, wherein,
First determining unit 301, for when opening the shoot function of camera with great visual angle, gathering the voice signal in current environment, and determining the sound source region of voice signal.
In the embodiment of the present invention, step is when opening the shoot function of camera with great visual angle, and the first determining unit 301 gathers the voice signal in current environment, and determines that the sound source region of voice signal can comprise the following steps:
11) when opening the shoot function of camera with great visual angle, the first determining unit 301 gathers the image of target spokesman by image capture device;
12) the first determining unit 301 determines the mouth region of target spokesman from this image, as sound source region.
In the embodiment of the present invention, image capture device can be one or more, can be integrated in speech signal processing device inside, also can be the external equipment independent of speech signal processing device; Image capture device can be the subscriber equipment being equipped with camera with great visual angle, and the embodiment of the present invention is not construed as limiting.
As the optional execution mode of one, before the mouth region determining target spokesman from this image, the facial image whether comprising target spokesman in this image can be detected, i.e. the process of Face datection.Common Face datection has following several method: the Face datection method of feature based, the Face datection method of template matches, Face datection method etc. based on outward appearance.Wherein, the implementation procedure of the Face datection method of feature based is compare, the characteristic information of the image of extraction and the face characteristic information prestored to judge whether to comprise face; The implementation procedure of the Face datection method of template matches is mated with the face template set up in advance by image, to judge whether to comprise face; Implementation procedure based on the Face datection method of outward appearance is compare, the face of image and training in advance and non-face grader to judge whether to comprise face.In this embodiment, above-mentioned method for detecting human face can be used alone, and also can be combined.
As the optional execution mode of another kind, when comprising facial image in this image, in this facial image region, adopt Ha Er Haar mouth feature grader, the approximate location of location mouth on this facial image; The principle of 1/3rd ratios is met according to face features distribution, the position in region, face bottom 1/3 will be met in the approximate location of the mouth of acquisition, be defined as the final position of mouth, and delimited as mouth region, this mouth region is sound source region.
Second determining unit 302, for the central point in sound source region determined and camera with great visual angle imaging region center point formed by straight line, and angle formed by the vertical line determining straight line and the imaging region of camera with great visual angle.
In the embodiment of the present invention, after the first determining unit 301 determines the sound source region of the voice signal collected, straight line formed by the imaging region center point of then the second determining unit 302 central point that can determine this sound source region and camera with great visual angle, and angle formed by the vertical line can determining this straight line and the imaging region of camera with great visual angle.
As the optional execution mode of one, after the first determining unit 301 determines the sound source region of the voice signal collected, second determining unit 302 can also by the predeterminable area of determining this sound source region straight line with camera imaging region with great visual angle, then angle formed by the vertical line determining this straight line and the imaging region of camera with great visual angle.In this embodiment, predeterminable area can be using sound source regional center point as foundation, and to surrounding expansion, and the size of this predeterminable area can decide according to the size in the sound source region determined.Wherein, predeterminable area can be regular figure also can be irregular figure, and the shape the present invention for predeterminable area is not construed as limiting.
Control unit 303, the angle for determining according to the second determining unit determines the anglec of rotation of camera with great visual angle, and controls camera with great visual angle according to the anglec of rotation and rotate to above-mentioned angle and be less than the angle threshold preset.
In the embodiment of the present invention, after the second determining unit 302 to determine the anglec of rotation of camera with great visual angle according to above-mentioned angle, control unit 303 can control camera with great visual angle and rotate, and is less than to make above-mentioned angle the angle threshold preset.For example, when above-mentioned angle is 20 degree, when predetermined angle is 5 degree, then control unit 303 can control camera with great visual angle and rotates as start line using first vertical line in camera imaging region with great visual angle, until the second vertical line of the camera with great visual angle obtained after rotating, and namely the angle detecting the first vertical line and the second vertical line stops the rotation for being less than 5 degree.
In figure 3, when opening the shoot function of camera with great visual angle, the first determining unit 301 first gathers the voice signal in current environment, and determines the sound source region of voice signal; Straight line formed by the imaging region center point of the second determining unit 302 central point of determining sound source region again and camera with great visual angle, and angle formed by the vertical line determining straight line and the imaging region of camera with great visual angle; Last control unit 303 determines the anglec of rotation of camera with great visual angle according to angle, and controls camera with great visual angle according to the anglec of rotation and rotate to angle and be less than the angle threshold preset.In embodiments of the present invention, without the need to the camera rotation with great visual angle of user's Non-follow control, user terminal only need control camera with great visual angle to carry out rotating according to the anglec of rotation determined.Visible, implement the embodiment of the present invention and can simplify the operating procedure used in camera shooting process with great visual angle.
Refer to Fig. 4, Fig. 4 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention, for performing above-mentioned camera control method with great visual angle.Wherein, Fig. 4 obtains at the enterprising step refining in the basis of Fig. 3, except comprising all unit shown in Fig. 3, can also comprise: the first acquiring unit 304, first detecting unit 305, unlatching unit 306, second acquisition unit 307, the 3rd detecting unit 308, second detecting unit 309, the 3rd acquiring unit 310, judging unit 311 and output unit 312, wherein
First acquiring unit 304, for obtaining the brightness value of current environment.
Whether the first detecting unit 305, be greater than predetermined luminance value threshold value for the brightness value detecting the current environment that the first acquiring unit 304 obtains.
Open unit 306, if when the brightness value detecting current environment for the first detecting unit 305 is greater than predetermined luminance value threshold value, open the shoot function of camera with great visual angle.
In the embodiment of the present invention, because camera uses under the environment that brightness value is high with great visual angle, effect is better.Therefore, judgment basis can be preset at user terminal, as: if when whether the brightness value of current environment is greater than predetermined luminance value threshold value, then open the shoot function of camera with great visual angle.
In the embodiment of the present invention, the setting of luminance threshold can be that user sets as required, also can be that user terminal sets according to user's history setting recording, can also be the hardware information that user terminal obtains local terminal, the hardware information according to local terminal sets.
In the embodiment of the present invention, the shoot function whether opening camera with great visual angle can also be determine according at least one in current positional information and temporal information.
For example, the shoot function determining whether to open camera with great visual angle when the positional information current according to user terminal can comprise the following steps:
11) environmental information of current environment is obtained;
12) detect the permission prestored and open in environmental information set corresponding to camera function with great visual angle the environmental information whether comprising current residing environment;
13) if detect the permission prestored to open in environmental information set corresponding to camera function with great visual angle the environmental information comprising current residing environment, then the shoot function of camera is with great visual angle opened.
In the embodiment of the present invention, can preset at user terminal the environmental information needing to open camera with great visual angle.Such as: place of high, the densely populated or broad view of light intensity etc.
In the embodiment of the present invention, after step opens the shoot function of camera with great visual angle, can also comprise the following steps:
21) detect user terminal and whether open camera rotary mode;
22) if detect user terminal to open camera rotary mode, then the voice signal in step collection current environment is performed;
23) if detect user terminal not open camera rotary mode, then export for pointing out the information of opening camera rotary mode.
Second acquisition unit 307, for obtaining the keyword collected in current environment.
3rd detecting unit 308, whether the keyword obtained for detecting second acquisition unit 307 belongs to the keyword set prestored, if the keyword that the 3rd detecting unit 308 detects second acquisition unit 307 acquisition belongs to the keyword set prestored, then trigger the sound source region that the first determining unit 301 determines voice signal.
In the embodiment of the present invention, some keywords can be preset in the user terminal, as: the phrases such as " hello " " we start meeting now " " one two three eggplant ", when belonging to the keyword prestored in the keyword that user terminal is collected by speech signal collection equipment, user terminal determines the sound source region of the voice signal collected.
Second detecting unit 309, whether the angle determined for detecting the second determining unit 302 is greater than the angle threshold preset, if the second detecting unit 309 detects angle be greater than the angle threshold preset, then trigger control unit 303 determines the anglec of rotation of camera with great visual angle according to angle.
In the embodiment of the present invention, an angle threshold can be preset in the user terminal, for the foundation whether rotated as camera with great visual angle.Only when detecting this angle and being greater than the angle threshold preset, just control camera with great visual angle and rotate.If detect this angle when being less than or equal to the angle threshold preset, then export for pointing out current without the need to controlling the information that camera with great visual angle rotates.
In the embodiment of the present invention, the angle threshold preset in the user terminal can be that user sets as required, also can be that user terminal sets according to the history setting recording of user, can also be an angle threshold of the system default prestored in user terminal.
In the embodiment of the present invention, when after the anglec of rotation determining camera with great visual angle according to above-mentioned angle, camera with great visual angle can be controlled and rotate, be less than to make above-mentioned angle the angle threshold preset.For example, when above-mentioned angle is 20 degree, when predetermined angle is 5 degree, then can control camera with great visual angle to rotate using first vertical line in camera imaging region with great visual angle as start line, until the second vertical line of the camera with great visual angle obtained after rotating, and namely the angle detecting the first vertical line and the second vertical line stops the rotation for being less than 5 degree.
3rd acquiring unit 310, for obtain camera with great visual angle imaging region in the characteristics of image of preview image.
For the characteristics of image obtained according to the 3rd acquiring unit 310, judging unit 311, judges whether preview image distorts.
Output unit 312, if judge that preview image distorts for judging unit 311 according to characteristics of image, then exports the information for pointing out the shooting visual angle adjusting camera with great visual angle.
In the embodiment of the present invention, during owing to using that camera is taken with great visual angle, if when the shooting angle of camera is greater than certain angle with great visual angle, then the preview image collected then has obvious distortion.Wherein, distortion is the actual photographed object for the image corresponding with preview image.As: when the shape of actual photographed object may be square, when using after camera is taken with great visual angle, final imaging may be an irregular figure.
In the embodiment of the present invention, characteristics of image can comprise shape, the size of image, the information such as the distributed intelligence of image slices vegetarian refreshments and the geometric position of image of image.Wherein, the geometric position of the shape of image, the size of image, the distributed intelligence of image slices vegetarian refreshments and image is all for the actual photographed object corresponding relative to this preview image.
In the diagram, describe the first determining unit 301 in detail by straight line formed by the imaging region center point of the central point of determining sound source region and camera with great visual angle, and angle formed by the vertical line determining straight line and the imaging region of camera with great visual angle; Second determining unit 302 determines according to the angle determined the anglec of rotation controlling camera with great visual angle again, and controls camera with great visual angle according to the anglec of rotation and rotate.In embodiments of the present invention, without the need to the camera rotation with great visual angle of user's Non-follow control, user terminal only need control camera with great visual angle to carry out rotating according to the anglec of rotation determined.Visible, implement the embodiment of the present invention and can simplify the operating procedure used in camera shooting process with great visual angle.
Concrete, the part or all of flow process in the embodiment of camera control method with great visual angle that the terminal introduced in the embodiment of the present invention can implement composition graphs 1 of the present invention, Fig. 2 introduces.
Module in all embodiments of the present invention or submodule, universal integrated circuit can be passed through, such as CPU (CentralProcessingUnit, central processing unit), or realized by ASIC (ApplicationSpecificIntegratedCircuit, application-specific integrated circuit (ASIC)).
Step in embodiment of the present invention method can be carried out order according to actual needs and be adjusted, merges and delete.
Unit in embodiment of the present invention terminal can carry out merging, divide and deleting according to actual needs.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random access memory (RandomAccessMemory is called for short RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. a camera control method with great visual angle, is characterized in that, comprising:
When opening the shoot function of camera with great visual angle, gathering the voice signal in current environment, and determining the sound source region of described voice signal;
Determine straight line formed by the central point in described sound source region and the imaging region center point of described camera with great visual angle, and determine described straight line and described camera with great visual angle imaging region vertical line formed by angle;
The anglec of rotation of camera with great visual angle described in determining according to described angle, and described in controlling according to the described anglec of rotation with great visual angle camera rotate to described angle and be less than the angle threshold preset.
2. method according to claim 1, is characterized in that, described when opening the shoot function of camera with great visual angle, gather the voice signal in current environment, and before determining the sound source region of described voice signal, described method also comprises:
Obtain the brightness value of current environment;
Whether the brightness value detecting described current environment is greater than predetermined luminance value threshold value;
When detecting the brightness value of described current environment and being greater than described predetermined luminance value threshold value, the shoot function of camera with great visual angle described in unlatching.
3. method according to claim 2, it is characterized in that, after angle formed by the described vertical line determining the imaging region of described straight line and described camera with great visual angle, described determine according to described angle described in camera with great visual angle the anglec of rotation before, described method also comprises:
Detect described angle whether be greater than described in the angle threshold that presets;
If detect described angle be greater than described in the angle threshold that presets, then perform described determine according to described angle described in the step of the anglec of rotation of camera with great visual angle.
4. according to the method in claim 2 or 3, it is characterized in that, after the voice signal in described collection current environment, described determine the sound source region of described voice signal before, described method also comprises:
Obtain the keyword collected in current environment;
Detect described keyword and whether belong to the keyword set prestored;
If detect described keyword to belong to the keyword set prestored, then perform the described step determining the sound source region of described voice signal.
5. method according to claim 4, it is characterized in that, described determine according to described angle described in the anglec of rotation of camera with great visual angle, and after described in controlling according to the described anglec of rotation, camera rotates and is less than to described angle the angle threshold preset with great visual angle, described method also comprises:
The characteristics of image of preview image in the imaging region of camera with great visual angle described in acquisition;
Judge whether described preview image distorts according to described characteristics of image;
If judge that described preview image distorts according to described characteristics of image, then export the information at the shooting visual angle for pointing out camera with great visual angle described in adjustment.
6. a user terminal, is characterized in that, comprising:
First determining unit, for when opening the shoot function of camera with great visual angle, gathering the voice signal in current environment, and determining the sound source region of described voice signal;
Second determining unit, for the central point and described camera with great visual angle of determining the described sound source region that described first determining unit is determined imaging region center point formed by straight line, and determine described straight line and described camera with great visual angle imaging region vertical line formed by angle;
Control unit, the angle for determining according to described second determining unit determine described in the anglec of rotation of camera with great visual angle, and described in controlling according to the described anglec of rotation with great visual angle camera rotate to described angle and be less than the angle threshold preset.
7. user terminal according to claim 6, is characterized in that, described user terminal also comprises:
First acquiring unit, for obtaining the brightness value of current environment;
Whether the first detecting unit, be greater than predetermined luminance value threshold value for the brightness value detecting the current environment that described first acquiring unit obtains;
Open unit, for when the brightness value that described first detecting unit detects described current environment is greater than described predetermined luminance value threshold value, the shoot function of camera with great visual angle described in unlatching.
8. user terminal according to claim 7, is characterized in that, described user terminal also comprises:
Second detecting unit, the angle threshold preset described in whether the angle determined for detecting described second determining unit is greater than, if described second detecting unit detect described angle be greater than described in the angle threshold that presets, then trigger described control unit determine according to described angle described in the anglec of rotation of camera with great visual angle.
9. the user terminal according to claim 7 or 8, is characterized in that, described user terminal also comprises:
Second acquisition unit, for obtaining the keyword collected in current environment;
3rd detecting unit, whether the keyword obtained for detecting described second acquisition unit belongs to the keyword set prestored, if the keyword that described 3rd detecting unit detects the acquisition of described second acquisition unit belongs to the keyword set prestored, then trigger the sound source region that described first determining unit determines described voice signal.
10. user terminal according to claim 9, is characterized in that, described user terminal also comprises:
3rd acquiring unit, for the characteristics of image of preview image in the imaging region of camera with great visual angle described in obtaining;
For the characteristics of image obtained according to described 3rd acquiring unit, judging unit, judges whether described preview image distorts;
Output unit, if judge that described preview image distorts for described judging unit according to described characteristics of image, then exports the information at the shooting visual angle for pointing out camera with great visual angle described in adjustment.
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