CN104994286A - Distortion collection method and terminal - Google Patents
Distortion collection method and terminal Download PDFInfo
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- CN104994286A CN104994286A CN201510382629.1A CN201510382629A CN104994286A CN 104994286 A CN104994286 A CN 104994286A CN 201510382629 A CN201510382629 A CN 201510382629A CN 104994286 A CN104994286 A CN 104994286A
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Abstract
The embodiment of the invention discloses a distortion collection method. The method comprises the following steps: determining the pre-shooting angle range of a rotatable camera of a terminal; detecting whether or not distortion exists in a shooting picture of the pre-shooting angle range; if so, determining the rotation direction and the rotation angle of the rotatable camera; and controlling the controllable camera to rotate according to the rotation direction and the rotation angle of the rotatable camera, and performing shooting in a rotating process. Through adoption of the embodiment of the invention, a distortion region in the shooting picture of the rotatable camera can be detected, and the distortion region is corrected in order to reduce the distortion degree of the distortion region.
Description
Technical field
The embodiment of the present invention relates to technical field of electronic equipment, refers more particularly to a kind of method and terminal of distortion correction.
Background technology
Along with developing rapidly of information technology, the integrated attainable function of terminal gets more and more, as taken pictures, surfing the Net, play, do shopping etc., but terminal is not omnipotent, in prior art, terminal can realize taking pictures, but in process of taking pictures, the scope of taking pictures also exists certain constraint.
Under normal circumstances, can expect adopting wide-angle camera to take pictures, but the image that wide-angle camera is taken out is exceeding the generation distortion of the region outside certain angle scope, the generation of this distortion is because the characteristic of wide-angle camera self causes, and how never effectively to be solved the problem that this distortion corrects.
Summary of the invention
Embodiments provide a kind of method and terminal of distortion correction, to correcting the region producing distortion in rotatable camera image, to reduce distortion degree.
Embodiment of the present invention first aspect discloses a kind of method of distortion correction, comprises step:
Determine the pre-photo angle scope of the rotatable camera of terminal;
Whether the shooting picture detecting described pre-photo angle scope exists distortion;
If so, direction of rotation and the anglec of rotation of described rotatable camera is determined;
Control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation to rotate, and take pictures in the process of described rotation.
Correspondingly, embodiment of the present invention second aspect discloses a kind of terminal, comprising:
First determining unit, for determining the pre-photo angle scope of the rotatable camera of terminal;
Whether detecting unit, exist distortion for the shooting picture detecting the pre-photo angle scope that described first determining unit is determined;
Second determining unit, if detect in the shooting picture of pre-photo angle scope to there is situation for described detecting unit, determines direction of rotation and the anglec of rotation of described rotatable camera;
Photographing unit, controls described rotatable camera for the direction of rotation of rotatable camera determined according to described second determining unit and the anglec of rotation and rotates, and take pictures in the process of described rotation.
The pre-photo angle scope of the rotatable camera of embodiment of the present invention determination terminal; Whether the shooting picture detecting described pre-photo angle scope exists distortion; If so, direction of rotation and the anglec of rotation of described rotatable camera is determined; Control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation to rotate, and take pictures in the process of described rotation.Adopt the embodiment of the present invention, the distorted region in the shooting picture of rotatable camera can be detected, and this distorted region is corrected, to reduce the distortion degree of distorted region.
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, description below, apparently, accompanying drawing in the following describes is only some embodiments of the embodiment 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.
The schematic flow sheet of the first embodiment of the method for a kind of distortion correction that Fig. 1 provides for the embodiment of the present invention;
The one distortion situation schematic diagram that Fig. 1 a provides for the embodiment of the present invention;
The schematic flow sheet of the second embodiment of the method for a kind of distortion correction that Fig. 2 provides for the embodiment of the present invention;
The schematic flow sheet of the 3rd embodiment of the method for a kind of distortion correction that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the first embodiment of a kind of terminal that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the second embodiment of a kind of terminal that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the 3rd embodiment of a kind of terminal that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the 4th embodiment of a kind of terminal that Fig. 7 provides for 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 only embodiment of the present invention part embodiment, instead of whole embodiments.Based on the embodiment in the embodiment of the present invention, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of embodiment of the present invention protection.
In realization, in the embodiment of the present invention, terminal can include but not limited to: notebook computer, mobile phone, panel computer, intelligent wearable device etc.The system of terminal refers to the operating system of equipment, can include but not limited to: android system, Saipan system, Windows system, IOS (Mobile operating system of Apple's exploitation), XP system, windows 8 system etc.It should be noted that, Android terminal refers to the terminal of android system, and Saipan terminal refers to the terminal of Saipan system, etc.Above-mentioned terminal is only citing, and non exhaustive, including but not limited to above-mentioned terminal.
In enforcement, the rotatable camera described by the embodiment of the present invention is wide-angle camera, and its scope is greater than the photo angle of existing common camera.
Embodiment of the present invention composition graphs 1 to Fig. 7 is described the method for a kind of distortion correction that the embodiment of the present invention provides and terminal.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of the first embodiment of the method for a kind of distortion correction that the embodiment of the present invention provides.The method of the distortion correction described in the present embodiment, comprises step:
S101, determine the pre-photo angle scope of the rotatable camera of terminal.
Wherein, terminal can determine the pre-photo angle scope of the rotatable camera of this terminal, user is when the rotatable camera starting terminal, can according to the angular range of the scenery adjustment shooting wanting to take pictures, pre-photo angle scope is exactly that user determines according to the size in region shared by scenery in scene.Terminal first can obtain the touch instruction of the photo angle scope that user selects, according to the pre-photo angle scope of the rotatable camera of this instruction determination terminal.Such as, if the scenery scope in scene is smaller, then pre-photo angle scope can be adjusted to the camera lens scope of common camera, and in this case, the photo obtained of taking pictures distorts very little, can think undistorted; If the scenery scope in scene is comparatively large, exceeded the camera lens scope of common camera, the image of pre-photo angle scope carries out distortion correction possibly.
As a kind of possible execution mode, the rotatable camera of terminal can be front-facing camera or the post-positioned pick-up head of terminal; Or the rotatable camera of terminal can be terminal wirelessly or the camera that controls of wired mode.
Whether S102, the shooting picture detecting described pre-photo angle scope exist distortion.
Wherein, whether the shooting picture that terminal can detect pre-photo angle scope exists distortion, and namely when pre-photo angle scope is determined, terminal can detect the shooting picture of pre-photo angle scope
As a kind of possible execution mode, terminal can detect pre-photo angle scope and whether be greater than predetermined undistorted photo angle scope; When terminal to detection pre-photo angle scope be greater than predetermined undistorted photo angle scope, then think this pre-photo angle scope shooting picture in exist distortion.Under normal circumstances, due to the characteristic of wide-angle camera self, thus, the distortion of wide-angle camera exists always, and wide-angle camera has symmetry characteristic under normal circumstances, with the center of wide-angle camera to both sides, distortion factor presents symmetrical, distortion factor occurred in the prior art, did not do too much description at this.Distortion factor represents the distortion degree of the image that wide-angle camera is taken, the distortion factor of wide-angle camera is larger, illustrate that distortion is larger, and the distortion factor of wide-angle camera within the specific limits, namely distortion factor is less than the situation of a certain predetermined threshold value, then can think that distortion factor is less than region corresponding to a certain predetermined threshold value is orthoscopic zone, and the photo angle scope of its correspondence may be defined as undistorted photo angle scope.
S103, the direction of rotation if so, determining described rotatable camera and the anglec of rotation.
Wherein, if terminal is detecting that the shooting picture of pre-photo angle scope exists distortion, then direction of rotation and the anglec of rotation of the rotatable camera of terminal is determined.As shown in 1a, be the shooting picture of pre-photo angle scope shown in figure, the region formed between two dotted lines is orthoscopic zone, and the unexpected region of dotted line is distorted region.Then can according to the direction of rotation of the angle difference determination rotatable camera between dotted line and the border of pre-photo angle scope and the anglec of rotation, such as, angle between the left border of the dotted line on the left of in Fig. 1 a and pre-photo angle scope is 5 degree, and the angle between the right side boundary of the dotted line on right side and pre-photo angle scope is 5 degree, then can by rotatable camera first to anticlockwise 5 degree, so just can orthoscopic zone be rotated to pre-photo angle scope, when not carrying out to this process of anticlockwise, rotatable camera only need to right rotation 5 degree, just can orthoscopic zone be rotated to pre-photo angle scope, when to anticlockwise 5 degree, then can only need to right rotation 10 degree.
S104, control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation and rotate, and take pictures in the process of described rotation.
Wherein, terminal can control described rotatable camera according to the direction of rotation of rotatable camera and the anglec of rotation and rotate, and takes pictures in the process of described rotation.Such as, suppose that the direction of rotation of the rotatable camera of terminal is left rotation and right rotation, and direction of rotation and the anglec of rotation are respectively: to anticlockwise 5 degree, to right rotation 15 degree, then terminal can control this camera first to anticlockwise 5 degree, then to right rotation 15 degree.
The pre-photo angle scope of the rotatable camera of embodiment of the present invention determination terminal; Whether the shooting picture detecting described pre-photo angle scope exists distortion; If so, direction of rotation and the anglec of rotation of described rotatable camera is determined; Control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation to rotate, and take pictures in the process of described rotation.Adopt the embodiment of the present invention, the distorted region in the shooting picture of rotatable camera can be detected, and this distorted region is corrected, to reduce the distortion degree of distorted region.
Refer to Fig. 2, Fig. 2 is the schematic flow sheet of the second embodiment of the method for a kind of distortion correction that the embodiment of the present invention provides.The method of the distortion correction described in the present embodiment, comprises step:
S201, determine the pre-photo angle scope of the rotatable camera of terminal.
Whether S202, the shooting picture detecting described pre-photo angle scope exist distortion.
S203, the direction of rotation if so, determining described rotatable camera and the anglec of rotation.
S204, control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation and rotate, and take pictures in the process of described rotation.
S205, the described image obtained of taking pictures is carried out shear treatment, to obtain the image of photo angle scope residing for described pre-photo angle scope.
In specific implementation, terminal can determine the pre-photo angle scope of the rotatable camera of this terminal, if there is distortion in the shooting picture of this pre-photo angle scope, then can determine direction of rotation and the anglec of rotation of rotatable camera further, and rotate according to the direction of rotation of this rotatable camera and the anglec of rotation, in rotary course, take pictures, owing to have passed through rotary course, thus to take pictures the pre-photo angle scope that the angular range of the image obtained can be original, thus, the image obtained taking pictures is needed to carry out shear treatment, to obtain the image with photo angle scope residing for original pre-photo angle scope.
The pre-photo angle scope of the rotatable camera of embodiment of the present invention determination terminal; Whether the shooting picture detecting described pre-photo angle scope exists distortion; If so, direction of rotation and the anglec of rotation of described rotatable camera is determined; Control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation to rotate, and take pictures in the process of described rotation, the described image obtained of taking pictures is carried out shear treatment, to obtain the image of photo angle scope residing for described pre-photo angle scope, so, the orthoscopic image consistent with pre-photo angle scope can be obtained.
Refer to Fig. 3, Fig. 3 is the schematic flow sheet of the 3rd embodiment of the method for a kind of distortion correction that the embodiment of the present invention provides.The method of the distortion correction described in the present embodiment, comprises step:
S301, determine the pre-photo angle scope of the rotatable camera of terminal.
Whether S302, the shooting picture detecting described pre-photo angle scope exist distortion.
S303, the direction of rotation if so, determining described rotatable camera and the anglec of rotation.
S304, control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation and rotate, carry out taking pictures once every predetermined angle, to obtain plurality of pictures in described rotary course.
S305, described plurality of pictures is carried out image mosaic.
In specific implementation, terminal can determine the pre-photo angle scope of the rotatable camera of this terminal, if there is distortion in the shooting picture of this pre-photo angle scope, then can determine direction of rotation and the anglec of rotation of rotatable camera further, and rotate according to the direction of rotation of this rotatable camera and the anglec of rotation, in rotary course, take pictures, take pictures as repeatedly taking pictures herein, because the angle of taking pictures in rotary course is expanded, once photo taking is difficult to comprise whole scenery, thus, can carry out taking pictures once every predetermined angle, to obtain plurality of pictures, and this plurality of pictures is carried out image mosaic, splicing herein can be analogous to the splicing of panoramic picture.
Further, owing to have passed through rotary course, the pre-photo angle scope that the angular range of the image obtained of thus taking pictures can be original, thus, the image obtained taking pictures is needed to carry out shear treatment, to obtain the image with photo angle scope residing for original pre-photo angle scope.
The pre-photo angle scope of the rotatable camera of embodiment of the present invention determination terminal; Whether the shooting picture detecting described pre-photo angle scope exists distortion; If so, direction of rotation and the anglec of rotation of described rotatable camera is determined; Control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation to rotate, carry out taking pictures once every predetermined angle, to obtain plurality of pictures in described rotary course; Described plurality of pictures is carried out image mosaic.So, the image of different rotary angle in rotary course can be spliced, undistorted to guarantee original pre-photo angle scope.
Refer to Fig. 4, Fig. 4 is the structural representation of the first embodiment of a kind of terminal that the embodiment of the present invention provides.Terminal described in the present embodiment, comprising:
First determining unit 401, for determining the pre-photo angle scope of the rotatable camera of terminal.
Wherein, first determining unit 401 can determine the pre-photo angle scope of the rotatable camera of this terminal, user is when the rotatable camera starting terminal, can according to the angular range of the scenery adjustment shooting wanting to take pictures, pre-photo angle scope is exactly that user determines according to the size in region shared by scenery in scene.Terminal first can obtain the touch instruction of the photo angle scope that user selects, according to the pre-photo angle scope of the rotatable camera of this instruction determination terminal.Such as, if the scenery scope in scene is smaller, then pre-photo angle scope can be adjusted to the camera lens scope of common camera, and in this case, the photo obtained of taking pictures distorts very little, can think undistorted; If the scenery scope in scene is comparatively large, exceeded the camera lens scope of common camera, the image of pre-photo angle scope carries out distortion correction possibly.
As a kind of possible execution mode, the rotatable camera of terminal can be front-facing camera or the post-positioned pick-up head of terminal; Or the rotatable camera of terminal can be terminal wirelessly or the camera that controls of wired mode.
Whether detecting unit 402, exist distortion for the shooting picture detecting the pre-photo angle scope that described first determining unit 401 is determined.
Wherein, whether the shooting picture that detecting unit 402 can detect pre-photo angle scope exists distortion, and namely when pre-photo angle scope is determined, terminal can detect the shooting picture of pre-photo angle scope
As a kind of possible execution mode, detecting unit 402 can detect pre-photo angle scope and whether be greater than predetermined undistorted photo angle scope; When detecting unit 402 to detection pre-photo angle scope be greater than predetermined undistorted photo angle scope, then think this pre-photo angle scope shooting picture in exist distortion.Under normal circumstances, due to the characteristic of wide-angle camera self, thus, the distortion of wide-angle camera exists always, and wide-angle camera has symmetry characteristic under normal circumstances, with the center of wide-angle camera to both sides, distortion factor presents symmetrical, distortion factor occurred in the prior art, did not do too much description at this.Distortion factor represents the distortion degree of the image that wide-angle camera is taken, the distortion factor of wide-angle camera is larger, illustrate that distortion is larger, and the distortion factor of wide-angle camera within the specific limits, namely distortion factor is less than the situation of a certain predetermined threshold value, then can think that distortion factor is less than region corresponding to a certain predetermined threshold value is orthoscopic zone, and the photo angle scope of its correspondence may be defined as undistorted photo angle scope.
Second determining unit 403, if detect in the shooting picture of pre-photo angle scope to there is situation for described detecting unit 402, determines direction of rotation and the anglec of rotation of described rotatable camera.
Wherein, if detecting unit 402 is detecting that the shooting picture of pre-photo angle scope exists distortion, then the second determining unit 403 is determining direction of rotation and the anglec of rotation of the rotatable camera of terminal.As shown in 1a, be the shooting picture of pre-photo angle scope shown in figure, the region formed between two dotted lines is orthoscopic zone, and the unexpected region of dotted line is distorted region.Then can according to the direction of rotation of the angle difference determination rotatable camera between dotted line and the border of pre-photo angle scope and the anglec of rotation, such as, angle between the left border of the dotted line on the left of in Fig. 1 a and pre-photo angle scope is 5 degree, and the angle between the right side boundary of the dotted line on right side and pre-photo angle scope is 5 degree, then can by rotatable camera first to anticlockwise 5 degree, so just can orthoscopic zone be rotated to pre-photo angle scope, when not carrying out to this process of anticlockwise, rotatable camera only need to right rotation 5 degree, just can orthoscopic zone be rotated to pre-photo angle scope, when to anticlockwise 5 degree, then can only need to right rotation 10 degree.
Photographing unit 404, controls described rotatable camera for the direction of rotation of rotatable camera determined according to described second determining unit 403 and the anglec of rotation and rotates, and take pictures in the process of described rotation.
Wherein, photographing unit 404 can control described rotatable camera according to the direction of rotation of rotatable camera and the anglec of rotation and rotate, and takes pictures in the process of described rotation.Such as, suppose that the direction of rotation of the rotatable camera of terminal is left rotation and right rotation, and direction of rotation and the anglec of rotation are respectively: to anticlockwise 5 degree, to right rotation 15 degree, then terminal can control this camera first to anticlockwise 5 degree, then to right rotation 15 degree.
Terminal described by the embodiment of the present invention is by determining the pre-photo angle scope of the rotatable camera of terminal; Whether the shooting picture detecting described pre-photo angle scope exists distortion; If so, direction of rotation and the anglec of rotation of described rotatable camera is determined; Control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation to rotate, and take pictures in the process of described rotation.Adopt the embodiment of the present invention, the distorted region in the shooting picture of rotatable camera can be detected, and this distorted region is corrected, to reduce the distortion degree of distorted region.
Refer to Fig. 5, Fig. 5 is the schematic flow sheet of the second embodiment of a kind of terminal that the embodiment of the present invention provides.The method of the terminal described in the present embodiment, comprises step:
First determining unit 501, for determining the pre-photo angle scope of the rotatable camera of terminal.
Wherein, first determining unit 501 can determine the pre-photo angle scope of the rotatable camera of this terminal, user is when the rotatable camera starting terminal, can according to the angular range of the scenery adjustment shooting wanting to take pictures, pre-photo angle scope is exactly that user determines according to the size in region shared by scenery in scene.Terminal first can obtain the touch instruction of the photo angle scope that user selects, according to the pre-photo angle scope of the rotatable camera of this instruction determination terminal.Such as, if the scenery scope in scene is smaller, then pre-photo angle scope can be adjusted to the camera lens scope of common camera, and in this case, the photo obtained of taking pictures distorts very little, can think undistorted; If the scenery scope in scene is comparatively large, exceeded the camera lens scope of common camera, the image of pre-photo angle scope carries out distortion correction possibly.
As a kind of possible execution mode, the rotatable camera of terminal can be front-facing camera or the post-positioned pick-up head of terminal; Or the rotatable camera of terminal can be terminal wirelessly or the camera that controls of wired mode.
Whether detecting unit 502, exist distortion for the shooting picture detecting the pre-photo angle scope that described first determining unit 501 is determined.
Wherein, whether the shooting picture that detecting unit 502 can detect pre-photo angle scope exists distortion, and namely when pre-photo angle scope is determined, terminal can detect the shooting picture of pre-photo angle scope
As a kind of possible execution mode, detecting unit 502 can detect pre-photo angle scope and whether be greater than predetermined undistorted photo angle scope; When detecting unit 502 to detection pre-photo angle scope be greater than predetermined undistorted photo angle scope, then think this pre-photo angle scope shooting picture in exist distortion.Under normal circumstances, due to the characteristic of wide-angle camera self, thus, the distortion of wide-angle camera exists always, and wide-angle camera has symmetry characteristic under normal circumstances, with the center of wide-angle camera to both sides, distortion factor presents symmetrical, distortion factor occurred in the prior art, did not do too much description at this.Distortion factor represents the distortion degree of the image that wide-angle camera is taken, the distortion factor of wide-angle camera is larger, illustrate that distortion is larger, and the distortion factor of wide-angle camera within the specific limits, namely distortion factor is less than the situation of a certain predetermined threshold value, then can think that distortion factor is less than region corresponding to a certain predetermined threshold value is orthoscopic zone, and the photo angle scope of its correspondence may be defined as undistorted photo angle scope.
Second determining unit 503, if detect in the shooting picture of pre-photo angle scope to there is situation for described detecting unit 502, determines direction of rotation and the anglec of rotation of described rotatable camera.
Wherein, if detecting unit 502 is detecting that the shooting picture of pre-photo angle scope exists distortion, then the second determining unit 503 is determining direction of rotation and the anglec of rotation of the rotatable camera of terminal.As shown in 1a, be the shooting picture of pre-photo angle scope shown in figure, the region formed between two dotted lines is orthoscopic zone, and the unexpected region of dotted line is distorted region.Then can according to the direction of rotation of the angle difference determination rotatable camera between dotted line and the border of pre-photo angle scope and the anglec of rotation, such as, angle between the left border of the dotted line on the left of in Fig. 1 a and pre-photo angle scope is 5 degree, and the angle between the right side boundary of the dotted line on right side and pre-photo angle scope is 5 degree, then can by rotatable camera first to anticlockwise 5 degree, so just can orthoscopic zone be rotated to pre-photo angle scope, when not carrying out to this process of anticlockwise, rotatable camera only need to right rotation 5 degree, just can orthoscopic zone be rotated to pre-photo angle scope, when to anticlockwise 5 degree, then can only need to right rotation 10 degree.
Photographing unit 504, controls described rotatable camera for the direction of rotation of rotatable camera determined according to described second determining unit 503 and the anglec of rotation and rotates, and take pictures in the process of described rotation.
Wherein, photographing unit 504 can control described rotatable camera according to the direction of rotation of rotatable camera and the anglec of rotation and rotate, and takes pictures in the process of described rotation.Such as, suppose that the direction of rotation of the rotatable camera of terminal is left rotation and right rotation, and direction of rotation and the anglec of rotation are respectively: to anticlockwise 5 degree, to right rotation 15 degree, then terminal can control this camera first to anticlockwise 5 degree, then to right rotation 15 degree.
Processing unit 505, carries out shear treatment for the image obtained of being taken pictures by described photographing unit 504, to obtain the image of photo angle scope residing for described pre-photo angle scope.
Wherein, processing unit 505 image obtained of photographing unit 504 can being taken pictures carries out shear treatment, to obtain the image of photo angle scope residing for pre-photo angle scope.Further, owing to have passed through rotary course, the pre-photo angle scope that the angular range of the image obtained of thus taking pictures can be original, thus, the image obtained taking pictures is needed to carry out shear treatment, to obtain the image with photo angle scope residing for original pre-photo angle scope.
Terminal described by the embodiment of the present invention is by determining the pre-photo angle scope of the rotatable camera of terminal; Whether the shooting picture detecting described pre-photo angle scope exists distortion; If so, direction of rotation and the anglec of rotation of described rotatable camera is determined; Control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation to rotate, and take pictures in the process of described rotation, and the described image obtained of taking pictures is carried out shear treatment, to obtain the image of photo angle scope residing for described pre-photo angle scope, so, the orthoscopic image consistent with pre-photo angle scope can be obtained.
Refer to Fig. 6, Fig. 6 is the schematic flow sheet of the 3rd embodiment of a kind of terminal that the embodiment of the present invention provides.The method of the terminal described in the present embodiment, comprises step:
First determining unit 601, for determining the pre-photo angle scope of the rotatable camera of terminal.
Wherein, first determining unit 601 can determine the pre-photo angle scope of the rotatable camera of this terminal, user is when the rotatable camera starting terminal, can according to the angular range of the scenery adjustment shooting wanting to take pictures, pre-photo angle scope is exactly that user determines according to the size in region shared by scenery in scene.Terminal first can obtain the touch instruction of the photo angle scope that user selects, according to the pre-photo angle scope of the rotatable camera of this instruction determination terminal.Such as, if the scenery scope in scene is smaller, then pre-photo angle scope can be adjusted to the camera lens scope of common camera, and in this case, the photo obtained of taking pictures distorts very little, can think undistorted; If the scenery scope in scene is comparatively large, exceeded the camera lens scope of common camera, the image of pre-photo angle scope carries out distortion correction possibly.
As a kind of possible execution mode, the rotatable camera of terminal can be front-facing camera or the post-positioned pick-up head of terminal; Or the rotatable camera of terminal can be terminal wirelessly or the camera that controls of wired mode.
Whether detecting unit 602, exist distortion for the shooting picture detecting the pre-photo angle scope that described first determining unit 601 is determined.
Wherein, whether the shooting picture that detecting unit 602 can detect pre-photo angle scope exists distortion, and namely when pre-photo angle scope is determined, terminal can detect the shooting picture of pre-photo angle scope
As a kind of possible execution mode, detecting unit 602 can detect pre-photo angle scope and whether be greater than predetermined undistorted photo angle scope; When detecting unit 602 to detection pre-photo angle scope be greater than predetermined undistorted photo angle scope, then think this pre-photo angle scope shooting picture in exist distortion.Under normal circumstances, due to the characteristic of wide-angle camera self, thus, the distortion of wide-angle camera exists always, and wide-angle camera has symmetry characteristic under normal circumstances, with the center of wide-angle camera to both sides, distortion factor presents symmetrical, distortion factor occurred in the prior art, did not do too much description at this.Distortion factor represents the distortion degree of the image that wide-angle camera is taken, the distortion factor of wide-angle camera is larger, illustrate that distortion is larger, and the distortion factor of wide-angle camera within the specific limits, namely distortion factor is less than the situation of a certain predetermined threshold value, then can think that distortion factor is less than region corresponding to a certain predetermined threshold value is orthoscopic zone, and the photo angle scope of its correspondence may be defined as undistorted photo angle scope.
Second determining unit 603, if detect in the shooting picture of pre-photo angle scope to there is situation for described detecting unit 602, determines direction of rotation and the anglec of rotation of described rotatable camera.
Wherein, if detecting unit 602 is detecting that the shooting picture of pre-photo angle scope exists distortion, then the second determining unit 603 is determining direction of rotation and the anglec of rotation of the rotatable camera of terminal.As shown in 1a, be the shooting picture of pre-photo angle scope shown in figure, the region formed between two dotted lines is orthoscopic zone, and the unexpected region of dotted line is distorted region.Then can according to the direction of rotation of the angle difference determination rotatable camera between dotted line and the border of pre-photo angle scope and the anglec of rotation, such as, angle between the left border of the dotted line on the left of in Fig. 1 a and pre-photo angle scope is 5 degree, and the angle between the right side boundary of the dotted line on right side and pre-photo angle scope is 5 degree, then can by rotatable camera first to anticlockwise 5 degree, so just can orthoscopic zone be rotated to pre-photo angle scope, when not carrying out to this process of anticlockwise, rotatable camera only need to right rotation 5 degree, just can orthoscopic zone be rotated to pre-photo angle scope, when to anticlockwise 5 degree, then can only need to right rotation 10 degree.
To take pictures subelement 605, control described rotatable camera for the direction of rotation of rotatable camera determined according to described second determining unit 603 and the anglec of rotation and carry out carrying out taking pictures once every predetermined angle in rotary course, to obtain plurality of pictures.
Concatenation unit 606, for carrying out image mosaic by described plurality of pictures.
Wherein, in rotary course, subelement 605 of taking pictures can carry out taking pictures once every predetermined angle, because the angle of taking pictures in rotary course is expanded, once photo taking is difficult to comprise whole scenery, thus, can carry out taking pictures once every predetermined angle, to obtain plurality of pictures, this plurality of pictures is carried out image mosaic by concatenation unit 606, and splicing herein can be analogous to the splicing of panoramic picture.
Terminal described by the embodiment of the present invention is by determining the pre-photo angle scope of the rotatable camera of terminal; Whether the shooting picture detecting described pre-photo angle scope exists distortion; If so, direction of rotation and the anglec of rotation of described rotatable camera is determined; Control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation to rotate, carry out taking pictures once every predetermined angle, to obtain plurality of pictures in described rotary course; Described plurality of pictures is carried out image mosaic.So, the image of different rotary angle in rotary course can be spliced, undistorted to guarantee original pre-photo angle scope.
Refer to Fig. 7, the structural representation of the 4th embodiment of a kind of terminal that Fig. 7 provides for the embodiment of the present invention.Terminal described in the present embodiment comprises: at least one input equipment 1000; At least one output equipment 2000; At least one processor 3000, such as CPU; With memory 4000, above-mentioned input equipment 1000, output equipment 2000, processor 3000 are connected by bus 5000 with memory 4000.
Wherein, above-mentioned input equipment 1000 can be contact panel, common PC, liquid crystal display screen, touch screen, push button etc.
Above-mentioned memory 4000 can be high-speed RAM memory, also can be non-labile memory (non-volatile memory), such as magnetic disc store.Above-mentioned memory 4000 is for storing batch processing code, and above-mentioned input equipment 1000, output equipment 2000 and processor 3000, for calling the program code stored in memory 4000, perform and operate as follows:
Above-mentioned processor 3000, also specifically for:
Determine the pre-photo angle scope of the rotatable camera of terminal;
Whether the shooting picture detecting described pre-photo angle scope exists distortion;
If so, direction of rotation and the anglec of rotation of described rotatable camera is determined;
Control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation to rotate, and take pictures in the process of described rotation.
As a kind of possible execution mode, above-mentioned processor 3000 controls described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation and rotates, and after taking pictures in the process of described rotation, also specifically for:
The described image obtained of taking pictures is carried out shear treatment, to obtain the image of photo angle scope residing for described pre-photo angle scope.
In the execution mode that some are feasible, above-mentioned processor 3000, also specifically for:
Direction of rotation and the anglec of rotation of described rotatable camera is determined according to the angle difference between described pre-photo angle scope and predetermined undistorted photo angle scope.
In the execution mode that some are feasible, above-mentioned processor 3000, also specifically for:
Detect described pre-photo angle scope and whether be greater than predetermined undistorted photo angle scope; If so, then detect in the shooting picture of described pre-photo angle scope to there is distortion.
In the execution mode that some are feasible, above-mentioned processor 3000, also specifically for:
Carry out taking pictures once every predetermined angle, to obtain plurality of pictures in described rotary course;
Described plurality of pictures is carried out image mosaic.
The pre-photo angle scope of the rotatable camera of the terminal determination terminal described by the embodiment of the present invention; Whether the shooting picture detecting described pre-photo angle scope exists distortion; If so, direction of rotation and the anglec of rotation of described rotatable camera is determined; Control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation to rotate, and take pictures in the process of described rotation.Adopt the embodiment of the present invention, the distorted region in the shooting picture of rotatable camera can be detected, and this distorted region is corrected, to reduce the distortion degree of distorted region.
The embodiment of the present invention also provides a kind of computer-readable storage medium, and wherein, this computer-readable storage medium can have program stored therein, and comprises the part or all of step of any one signal processing method recorded in said method embodiment when this program performs.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step may can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In several embodiments that the application provides, should be understood that, disclosed device, the mode by other realizes.Such as, device embodiment described above is only schematic, the division of such as said units, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical or other form.
The above-mentioned unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If above-mentioned integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc., can be specifically the processor in computer equipment) perform each embodiment said method of the present invention.Wherein, and aforesaid storage medium can comprise: USB flash disk, portable hard drive, magnetic disc, CD, read-only memory are (English: Read-Only Memory, abbreviation: ROM) or random access memory (English: Random Access Memory, abbreviation: RAM) etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a method for distortion correction, is characterized in that, comprising:
Determine the pre-photo angle scope of the rotatable camera of terminal;
Whether the shooting picture detecting described pre-photo angle scope exists distortion;
If so, direction of rotation and the anglec of rotation of described rotatable camera is determined;
Control described rotatable camera according to the direction of rotation of described rotatable camera and the anglec of rotation to rotate, and take pictures in the process of described rotation.
2. the method for claim 1, is characterized in that, the described direction of rotation according to described rotatable camera and the anglec of rotation control described rotatable camera and rotate, and after taking pictures in the process of described rotation, described method also comprises:
The described image obtained of taking pictures is carried out shear treatment, to obtain the image of photo angle scope residing for described pre-photo angle scope.
3. the method as described in any one of claim 1 or 2, is characterized in that, described direction of rotation and the anglec of rotation determining described rotatable camera, comprising:
Direction of rotation and the anglec of rotation of described rotatable camera is determined according to the angle difference between described pre-photo angle scope and predetermined undistorted photo angle scope.
4. the method as described in any one of claim 1 or 2, is characterized in that, whether the shooting picture of the described pre-photo angle scope of described detection occurs distortion, comprising:
Detect described pre-photo angle scope and whether be greater than predetermined undistorted photo angle scope; If so, then detect in the shooting picture of described pre-photo angle scope to there is distortion.
5. the method as described in any one of claim 1 or 2, is characterized in that, describedly takes pictures in the process of described rotation, comprising:
Carry out taking pictures once every predetermined angle, to obtain plurality of pictures in described rotary course;
Described plurality of pictures is carried out image mosaic.
6. a terminal, is characterized in that, comprising:
First determining unit, for determining the pre-photo angle scope of the rotatable camera of terminal;
Whether detecting unit, exist distortion for the shooting picture detecting the pre-photo angle scope that described first determining unit is determined;
Second determining unit, if detect in the shooting picture of pre-photo angle scope to there is situation for described detecting unit, determines direction of rotation and the anglec of rotation of described rotatable camera;
Photographing unit, controls described rotatable camera for the direction of rotation of rotatable camera determined according to described second determining unit and the anglec of rotation and rotates, and take pictures in the process of described rotation.
7. terminal as claimed in claim 6, it is characterized in that, described terminal also comprises:
Processing unit, carries out shear treatment for the image obtained of being taken pictures by described photographing unit, to obtain the image of photo angle scope residing for described pre-photo angle scope.
8. the terminal as described in any one of claim 6 or 7, is characterized in that, described second determining unit specifically for:
Direction of rotation and the anglec of rotation of described rotatable camera is determined according to the angle difference between described pre-photo angle scope and predetermined undistorted photo angle scope.
9. the terminal as described in any one of claim 6 or 7, is characterized in that, described detecting unit specifically for:
Detect the pre-photo angle scope that described first determining unit determines and whether be greater than predetermined undistorted photo angle scope;
Wherein, if described detecting unit detects that the pre-photo angle scope that described first determining unit is determined is greater than predetermined undistorted photo angle scope, then think described pre-photo angle scope shooting picture in exist distortion.
10. the terminal as described in any one of claim 6 or 7, it is characterized in that, described photographing unit comprises:
To take pictures subelement, for carrying out taking pictures once every predetermined angle in described rotary course, to obtain plurality of pictures;
Concatenation unit, carries out image mosaic for the plurality of pictures obtained of being taken pictures by described subelement of taking pictures.
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| CN201510382629.1A CN104994286B (en) | 2015-06-30 | 2015-06-30 | The method and terminal of a kind of distortion correction |
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| CN104994286B (en) | 2018-01-19 |
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