CN104994288A - Shooting method and user terminal - Google Patents
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- CN104994288A CN104994288A CN201510382771.6A CN201510382771A CN104994288A CN 104994288 A CN104994288 A CN 104994288A CN 201510382771 A CN201510382771 A CN 201510382771A CN 104994288 A CN104994288 A CN 104994288A
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Abstract
The embodiment of the invention discloses a shooting method and a user terminal. The shooting method comprises the following steps: acquiring the image feature of a preview image acquired by a large-viewing-angle camera by the user terminal; determining the distortion level of the preview image according to the image feature, and detecting whether or not the distortion level of the preview image is greater than a preset distortion level; if the detected distortion level of the preview image is greater than the preset distortion level, controlling at least one ordinary camera in the user terminal to be started; when a shooting command is received, controlling the large-viewing-angle camera and the at least one ordinary camera to shoot by taking a shooting object corresponding to the preview image as a shooting center in order to obtain at least two images; and synthesizing the two images into one image according to a preset synthesizing rule. The problem of the poor imaging effect caused by distortion can be solved in order to enhance the imaging quality.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of photographic method and user terminal.
Background technology
Along with the high speed development of electronic technology, 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 camera and common camera etc. with great visual angle, the excellent picture during therefore user can utilize terminal record to live.In actual applications, in order to wider picture can be photographed, generally all the shooting visual angle of camera with great visual angle can be tuned up.But along with the shooting visual angle of camera with great visual angle increases, final shooting picture distortion out may increase, thus causes final imaging effect not good thereupon.
Summary of the invention
Embodiments provide a kind of photographic method and user terminal, user terminal image quality when utilizing user terminal to take pictures can be improved.
First aspect, the embodiment of the invention discloses a kind of photographic method, comprising:
Obtain the characteristics of image of the preview image that camera collection with great visual angle arrives;
Determine the distortion rank of described preview image according to described characteristics of image, and whether the distortion rank detecting described preview image is greater than default distortion rank;
If detect, the distortion rank of described preview image is greater than described default distortion rank, controls at least one common camera in user terminal and opens;
When receiving shooting instruction, described in control with great visual angle camera and at least one common camera described with reference object corresponding to described preview image for taking at shooting center, to obtain at least two images;
Be an image according to the composition rule pre-set by described at least two Images uniting.
In conjunction with the implementation of first aspect, in the first possible implementation of first aspect, the described distortion rank determining described preview image according to described characteristics of image, and whether the distortion rank detecting described preview image is greater than default distortion rank, comprising:
According to described characteristics of image, described preview image is divided at least two subgraphs, and obtains the subgraph feature of each subgraph;
The distortion rank of each subgraph described is determined according to the subgraph feature of each subgraph described;
Whether there is distortion rank at least two subgraphs described in detection and be greater than the subgraph presetting distortion rank.
In conjunction with the first possible implementation of first aspect, in the implementation that the second of first aspect is possible, after at least two subgraphs described in detecting, existence distortion rank is greater than the subgraph of described default distortion rank, before in described control user terminal, at least one common camera is opened, described method also comprises:
At least one distortion rank is selected to be greater than the subgraph of default distortion rank as target subgraph;
Wherein, described when receiving shooting instruction, described in control with great visual angle camera and at least one common camera described with reference object corresponding to described preview image for taking at shooting center, to obtain at least two images, comprising:
When receiving shooting instruction, control common camera corresponding with described target subgraph at least one common camera described with reference object corresponding to described target subgraph for taking at shooting center, and described in controlling with great visual angle camera with reference object corresponding to described preview image for taking at shooting center, to obtain at least two images.
In conjunction with in the implementation that the second of first aspect is possible, in the third possible implementation of first aspect, described when receiving shooting instruction, controlling common camera corresponding with described target subgraph at least one common camera described with reference object corresponding to described target subgraph for taking at shooting center, comprising:
When receiving shooting instruction, determine the straight line of common camera imaging region second impact point that the first object point of the predeterminable area of the reference object that described target subgraph is corresponding is corresponding with described target subgraph, and determine the angle of vertical line of described straight line and described common camera imaging region;
The anglec of rotation of the common camera corresponding with described target subgraph is determined according to described angle, and control the described common camera corresponding with described target subgraph according to the described anglec of rotation rotate extremely with reference object corresponding to described target subgraph for taking center, and to take.
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation of first aspect, described when receiving shooting instruction, determine the straight line of common camera imaging region second impact point that the first object point of the predeterminable area of the reference object that described target subgraph is corresponding is corresponding with described target subgraph, comprising:
When receiving shooting instruction, straight line formed by the central point determining the common camera imaging region that the central point of the predeterminable area of the reference object that described target subgraph is corresponding is corresponding with described target subgraph.
In conjunction with any one possible implementation in implementation, the third possible implementation of first aspect and first aspect the 4th kind of possible implementation that the implementation of first aspect, the first possible implementation of first aspect, first aspect the second are possible, described in first aspect the 5th kind of possible implementation when opening the shoot function of camera with great visual angle, before the characteristics of image of preview image that described in acquisition, camera collection arrives with great visual angle, described method also comprises:
Obtain the brightness values of current environment;
Detect described brightness values and whether be greater than the brightness threshold value preset;
If detect described brightness values to be greater than the described brightness threshold value preset, then described in controlling, camera is opened with great visual angle.
Second aspect, the embodiment of the invention discloses a kind of user terminal, comprising:
First acquiring unit, for obtaining the characteristics of image of the preview image that camera collection with great visual angle arrives;
First detecting unit, the characteristics of image for obtaining according to described first acquiring unit determines the distortion rank of described preview image, and whether the distortion rank detecting described preview image is greater than default distortion rank;
First control unit, if detect that the distortion rank of described preview image is greater than described default distortion rank for described first detecting unit, controls at least one common camera in user terminal and opens;
Second control unit, for when receiving shooting instruction, described in control with great visual angle camera and at least one common camera described with reference object corresponding to described preview image for taking at shooting center, to obtain at least two images;
Synthesis unit, for being an image according to the composition rule that pre-sets by described at least two Images uniting.
In conjunction with the user terminal of second aspect, in the first possible user terminal of second aspect, described first detecting unit comprises:
Acquisition module, is divided at least two subgraphs for the characteristics of image obtained according to described first acquiring unit by described preview image, and obtains the subgraph feature of each subgraph;
First determination module, the subgraph feature for each subgraph obtained according to described acquisition module determines the distortion rank of each subgraph described;
Detection module, is greater than for whether there is distortion rank at least two subgraphs described in detecting the subgraph presetting distortion rank.
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:
Selected cell, is greater than the subgraph of default distortion rank as target subgraph for selecting at least one distortion rank;
Wherein, described second control unit is specifically for when receiving shooting instruction, control common camera corresponding with described target subgraph at least one common camera described with reference object corresponding to described target subgraph for taking at shooting center, and described in controlling with great visual angle camera with reference object corresponding to described preview image for taking at shooting center, to obtain at least two images.
In conjunction with the user terminal that the second of second aspect is possible, in the third possible user terminal of second aspect, described second control unit comprises:
Second determination module, for when receiving shooting instruction, determine the straight line of common camera imaging region second impact point that the first object point of the predeterminable area of the reference object that described target subgraph is corresponding is corresponding with described target subgraph, and determine the angle of vertical line of described straight line and described common camera imaging region;
Control module, angle for determining according to described second determination module determines the anglec of rotation of the common camera corresponding with described target subgraph, and control the described common camera corresponding with described target subgraph according to the described anglec of rotation rotate extremely with reference object corresponding to described target subgraph for taking center, and to take.
In conjunction with the third possible user terminal of second aspect, in the 4th kind of possible user terminal of second aspect, described second determination module specifically for when receiving shooting instruction, straight line formed by the central point determining the common camera imaging region that the central point of the predeterminable area of the reference object that described target subgraph is corresponding is corresponding with described target subgraph.
In conjunction with any one user terminal in user terminal, the third possible user terminal of second aspect and the 4th kind of possible user terminal of second aspect that the second of the first possible user terminal of the user terminal of second aspect, second aspect, second aspect is possible, in the 5th kind of possible user terminal of second aspect, described user terminal also comprises:
Second acquisition unit, for obtaining the brightness values of current environment;
Second detecting unit, whether the brightness values obtained for detecting described second acquisition unit is greater than the brightness threshold value preset;
Open unit, if detect described brightness values for described second detecting unit to be greater than the described brightness threshold value preset, then described in controlling, camera is opened with great visual angle.
In the embodiment of the present invention, first user terminal obtains the characteristics of image of the preview image that camera collection with great visual angle arrives; Determine the distortion rank of described preview image again according to described characteristics of image, and whether the distortion rank detecting described preview image is greater than default distortion rank; If detect, the distortion rank of described preview image is greater than described default distortion rank, then control at least one common camera in user terminal and open; When receiving shooting instruction, described in control with great visual angle camera and at least one common camera described with reference object corresponding to described preview image for taking at shooting center, to obtain at least two images; Described at least two Images uniting are an image by the composition rule that last basis pre-sets.In embodiments of the present invention, ensureing under the prerequisite that the shooting visual angle of camera is with great visual angle enough large, can by control at least one common camera and one with great visual angle camera take, finally at least one common camera is taken the image obtained and with great visual angle camera take the image obtained and synthesized by the composition rule pre-set.As can be seen here, the image finally obtained is the image obtained in the shooting visual angle of camera with great visual angle, and because of image be by least one common camera and with great visual angle camera take the image obtained and carry out synthesizing.Thus can solve because of the not good problem of the imaging effect that brings of distorting, to improve image quality.
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 photographic method disclosed in the embodiment of the present invention;
Fig. 2 is the schematic flow sheet of another kind of photographic method disclosed in 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 a kind of photographic method and user terminal.In embodiments of the present invention, ensureing under the prerequisite that the shooting visual angle of camera is with great visual angle enough large, can by control at least one common camera and one with great visual angle camera take, finally at least one common camera is taken the image obtained and with great visual angle camera take the image obtained and synthesized by the composition rule pre-set.As can be seen here, the image finally obtained is the image obtained in the shooting visual angle of camera with great visual angle, and because of image be by least one common camera and with great visual angle camera take the image obtained and carry out synthesizing.Thus can solve because of the not good problem of the imaging effect that brings of distorting, to improve image quality.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of a kind of photographic method 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 (Mobile Internet Devices, MID), PAD etc. and be provided with in the user terminal of camera with great visual angle.As shown in Figure 1, this photographic method can comprise the following steps:
S101, obtain the characteristics of image of the preview image that camera collection with great visual angle arrives.
In the embodiment of the present invention, camera is that a kind of focal length is shorter than common camera, visual angle is greater than common camera, focal length is longer than fish eye lens, visual angle is less than fish-eye camera with great visual angle.The lens focus of wide-angle digital camera is very short, visual angle is wider, is relatively applicable to the photo of shooting compared with large scene, as subject matters such as building, landscape.
In the embodiment of the present invention, characteristics of image can comprise the geometric position etc. of the shape of image, the distributed intelligence of image slices vegetarian refreshments, the size of image and image.
In the embodiment of the present invention, controlling before camera is taken with great visual angle, by gathering the preview image that enter camera imaging region with great visual angle, and the characteristics of image of this preview image can be obtained.
S102, distortion rank according to characteristics of image determination preview image, and whether the distortion rank detecting preview image is greater than and presets distortion rank.
In the embodiment of the present invention, during owing to using that camera is taken with great visual angle, if when the shooting visual 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, calculate the distortion of preview image according to the computing formula of the picture distortion preset.Wherein, the distortion calculating preview image according to the computing formula of the picture distortion preset specifically can comprise the distortion that distortion formula that the Information Pull such as shape according to preview image, the size of image, the distributed intelligence of image slices vegetarian refreshments and the geometric position of image preset calculates preview image, and determines the distortion rank of preview image according to the rule of the division distortion rank prestored.
In the embodiment of the present invention, judge that the mode whether preview image collected occurs to distort can comprise:
11) by the characteristics of image of this preview image of comparison and the characteristics of image of the target image prestored, wherein, this preview image and this image prestored all are aimed at same reference object.As: be all aimed at a desk.
12) by the characteristics of image of this preview image is mated with the feature prestored.As: the actual characteristic of the reference object that conventional lower preview image is corresponding, as: computer display screen is exactly the rectangle of rule.
If S103 detects that the distortion rank of preview image is greater than and presets distortion rank, control at least one common camera in user terminal and open.
In the embodiment of the present invention, camera and at least one common camera with great visual angle in user terminal, can be configured.Wherein, common camera is also standard camera head, and camera is for determining the size of taking visual angle with great visual angle, and standard camera head then for taking reference object in the shooting visual angle determined.
In the embodiment of the present invention, distortion level threshold can be preset in the user terminal.
In the embodiment of the present invention, when according to the Image Feature Detection of preview image to the distortion rank of this preview image be greater than preset distortion rank time, then control at least one common camera in user terminal and open.
S104, when receiving shooting instruction, control camera with great visual angle and at least one common camera with reference object corresponding to preview image for taking at shooting center, to obtain at least two images.
In the embodiment of the present invention, the input mode of shooting instruction can be phonetic entry mode, and also can be inputted by touch-control target button, the present invention be not construed as limiting.
In the embodiment of the present invention, when the distortion rank detecting preview image is greater than the distortion level threshold preset, and when opening at least one common camera, then can control camera with great visual angle and at least one common camera with reference object corresponding to preview image for taking at shooting center, to obtain at least two images.
Particularly, in user terminal, the unlatching number of common camera can be determined according to the actual conditions of picture distortion.For example, the distortion that the image zone line distortion obtained is generally less than surrounding is taken owing to using camera with great visual angle to carry out, if according to this feature, two common camera can be opened, wherein, camera remains the zone line gathering reference object corresponding to this preview image with great visual angle, and other two common camera then can gather with the image in the region of the left and right sides of reference object corresponding to this preview image.By this style of shooting, then can obtain three images.
At least two Images uniting are an image by the composition rule that S105, basis pre-set.
In the embodiment of the present invention, when the number opening common camera is different, then the number of the corresponding image obtained is also different.As in step S104 for example, when unlatching two common camera, wherein, camera remains the zone line gathering reference object corresponding to this preview image with great visual angle, and other two common camera then can gather with the image in the region of the left and right sides of reference object corresponding to this preview image.By this style of shooting, then can obtain three images.Finally according to the composition rule pre-set, above-mentioned three images can be synthesized, to obtain an image.
In the embodiment of the present invention, owing to having the part of overlap in being clapped the image that obtains by camera with great visual angle and being taken the image that obtains by least one common camera, and be directed to this lap, the division rule that then can preset carries out dividing the image obtained, then carries out a synthesis by dividing the image obtained.
In FIG, first user terminal obtains the characteristics of image of the preview image that camera collection with great visual angle arrives; Again according to the distortion rank of characteristics of image determination preview image, and whether the distortion rank detecting preview image is greater than default distortion rank; If detect, the distortion rank of preview image is greater than presets distortion rank, then control at least one common camera in user terminal and open; When receiving shooting instruction, control camera with great visual angle and at least one common camera with reference object corresponding to preview image for taking at shooting center, to obtain at least two images; At least two Images uniting are an image by the composition rule that last basis pre-sets.In embodiments of the present invention, ensureing under the prerequisite that the shooting visual angle of camera is with great visual angle enough large, can by control at least one common camera and one with great visual angle camera take, finally at least one common camera is taken the image obtained and with great visual angle camera take the image obtained and synthesized by the composition rule pre-set.As can be seen here, the image finally obtained is the image obtained in the shooting visual angle of camera with great visual angle, and because of image be by least one common camera and with great visual angle camera take the image obtained and carry out synthesizing.Thus can solve because of the not good problem of the imaging effect that brings of distorting, to improve image quality.
Refer to Fig. 2, Fig. 2 is the schematic flow sheet of another kind of photographic method disclosed in the embodiment of the present invention.As shown in Figure 2, this photographic method can comprise the following steps:
S201, obtain the characteristics of image of the preview image that camera collection with great visual angle arrives.
In the embodiment of the present invention, although be configured with camera and at least one common camera with great visual angle, actual acquisition image only have camera with great visual angle, follow-up and be final coverage according to the coverage of camera with great visual angle.Also be, when by after camera and at least one common camera are taken with great visual angle, may total shooting visual angle and the shooting visual angle of the camera with great visual angle preset can be greater than, then finally can with the shooting visual angle of camera with great visual angle for actual photographed visual angle.
In the embodiment of the present invention, before step obtains the characteristics of image of the preview image that camera collection with great visual angle arrives, can also comprise the following steps:
21) brightness values of current environment is obtained;
22) detect brightness values and whether be greater than the brightness threshold value preset;
23) if detect brightness values to be greater than the brightness threshold value preset, then control camera with great visual angle and open.
In the embodiment of the present invention, controlling after camera is opened with great visual angle, step can also comprise the following steps before obtaining the characteristics of image of the preview image in camera imaging region with great visual angle:
31) detect user terminal and whether open visual angle adjustment modes;
32) if detect user terminal to open visual angle adjustment modes, then the characteristics of image that step obtains the preview image in camera imaging region is with great visual angle performed;
33) if detect user terminal not open visual angle adjustment modes, then export for pointing out the information of opening visual angle adjustment modes.
S202, according to characteristics of image, preview image is divided at least two subgraphs, and obtains the subgraph feature of each subgraph.
In the embodiment of the present invention, according to characteristics of image preview image is divided into that at least two subgraphs are specially shape according to image, preview image is divided at least two subgraphs by the size of image, the information such as the distributed intelligence of image slices vegetarian refreshments and the geometric position 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 embodiment of the present invention, after preview image being divided at least two subgraphs according to the characteristics of image of preview image, the subgraph feature dividing each subgraph obtained can be obtained.Wherein, the subgraph feature of each subgraph comprises the shape of subgraph, the size of subgraph, the distributed intelligence of sub-image pixels point and the geometric position of subgraph.Wherein, the size of the shape of subgraph, subgraph, the distributed intelligence of sub-image pixels point and the geometric position of subgraph are all for the actual photographed object corresponding relative to this preview image.
S203, determine the distortion rank of each subgraph according to the subgraph feature of each subgraph.
In the embodiment of the present invention, according to the distortion of each subgraph that the computing formula computation partition of the picture distortion preset obtains.Wherein, the distortion of each subgraph obtained according to the computing formula computation partition of the picture distortion preset specifically can comprise the distortion of each subgraph that distortion formula computation partition that the Information Pull such as the shape of the subgraph according to each subgraph, the size of subgraph, the distributed intelligence of sub-image pixels point and the geometric position of subgraph preset obtains, and determines the distortion rank of each subgraph according to the rule of the division distortion rank prestored.
Whether there is distortion rank in S204, detection at least two subgraphs and be greater than the subgraph presetting distortion rank.
S205, select at least one distortion rank be greater than preset distortion rank subgraph as target subgraph.
In the embodiment of the present invention, distortion rank can be preset in the user terminal, when the distortion rank of some subgraphs is greater than this distortion rank preset, then illustrate that the distortion rank of this subgraph is large, the distortion of this subgraph is serious, may affect the viewing effect of user to whole reference object.Then distortion rank can be greater than the subgraph of default distortion rank as target subgraph.If the distortion rank that the distortion rank of some subgraphs presets lower than this, then illustrate that the distortion rank of this subgraph is little, this subgraph distorts slightly, does not affect the actual viewing of reference object.
S206, when receive shooting instruction time, determine the straight line of common camera imaging region second impact point that the first object point of the predeterminable area of the reference object that target subgraph is corresponding is corresponding with target subgraph, and determine the angle of vertical line of this straight line and common camera imaging region.
In the embodiment of the present invention, can determine a predeterminable area in any one target subgraph, wherein, this predeterminable area can correspond to the reference object corresponding with this target subgraph.Wherein, this predeterminable area can be the central area of target subgraph, also can be with central area be reference face edge regions.And the size in this region can be determined according to the actual size of reference object, and this predeterminable area can be regular figure, also can be irregular figure.
In the embodiment of the present invention, the first object point of the predeterminable area of the reference object that target subgraph is corresponding can be any point of predeterminable area.
In the embodiment of the present invention, a predeterminable area can be also determined in the common camera imaging region that target subgraph is corresponding, wherein, this predeterminable area can be the central area of the common camera imaging region corresponding with target subgraph, also can be with central area be reference face edge regions.And the size in this region can be determined according to the actual size of the common camera imaging region corresponding with target subgraph, and this predeterminable area can be regular figure, also can be irregular figure.
In the embodiment of the present invention, the second impact point of the predeterminable area of the common camera imaging region that target subgraph is corresponding can be any point of predeterminable area.
Particularly, the first object point of the predeterminable area of the reference object that target subgraph is corresponding can be central point, and common camera imaging region second impact point corresponding with target subgraph also can be central point.
In the embodiment of the present invention, step is when receiving shooting instruction, determine the straight line of common camera imaging region second impact point that the first object point of the predeterminable area of the reference object that target subgraph is corresponding is corresponding with target subgraph, and after the angle of vertical line determining this straight line and common camera imaging region, can also comprise the following steps:
41) detect this angle and whether be greater than the angle threshold preset;
42) if detect this angle to be greater than the angle threshold preset, then perform the anglec of rotation determining the common camera corresponding with target subgraph according to angle, and control the common camera corresponding with target subgraph according to the anglec of rotation rotate extremely with reference object corresponding to target subgraph for taking center, and take, to obtain the step of at least two images.
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.
S207, determine the anglec of rotation of the common camera corresponding with target subgraph according to angle, and control the common camera corresponding with target subgraph according to the anglec of rotation rotate extremely with reference object corresponding to target subgraph for taking center, and take, to obtain at least two images.
In the embodiment of the present invention, after determining the anglec of rotation of the common camera corresponding with target subgraph according to the angle after determining, then can control the common camera corresponding with target subgraph according to the anglec of rotation rotate to reference object corresponding to target subgraph for shooting center, and take, to obtain at least two images.Concrete, the angle that can control to determine according to the anglec of rotation determined is less than the angle threshold preset.Be less than according to the angle that the anglec of rotation determined controls to determine the angle threshold preset and can reach by performing step and perform step and control the common camera corresponding with target subgraph and rotate the effect that extremely can reach for shooting center with the reference object that target subgraph is corresponding according to the anglec of rotation.
For example, 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.
At least two Images uniting are an image by the composition rule that S208, basis pre-set.
In fig. 2, describe user terminal in detail and control the common camera corresponding with target subgraph with reference object corresponding to target subgraph for shooting center carries out rotating mainly by the straight line of the predeterminable area and common camera imaging region of determining the reference object that target subgraph is corresponding, and determine the angle of vertical line of straight line and this common camera imaging region; Determine the anglec of rotation of this common camera according to angle, and control this common camera and rotate to angle according to the anglec of rotation and be less than the angle threshold preset.In embodiments of the present invention, describe the rotation foundation of common camera rotary course in detail, and also without the need to user's manual operation in whole rotary course, visible, implement the embodiment of the present invention and can simplify the operating procedure used in common camera shooting process.And by by least one common camera and with great visual angle camera take the image obtained and synthesizes, then can reach the object of raising picture quality equally.
Refer to Fig. 3, Fig. 3 is the structural representation of a kind of user terminal disclosed in the embodiment of the present invention.Wherein, user terminal involved in 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 (Mobile Internet Devices, 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 acquiring unit 301, first detecting unit 302, first control unit 303, second control unit 304 and synthesis unit 305, wherein,
First acquiring unit 301, for obtaining the characteristics of image of the preview image that camera collection with great visual angle arrives.
In the embodiment of the present invention, camera is that a kind of focal length is shorter than common camera, visual angle is greater than common camera, focal length is longer than fish eye lens, visual angle is less than fish-eye camera with great visual angle.The lens focus of wide-angle digital camera is very short, visual angle is wider, is relatively applicable to the photo of shooting compared with large scene, as subject matters such as building, landscape.
In the embodiment of the present invention, characteristics of image can comprise the geometric position etc. of the shape of image, the distributed intelligence of image slices vegetarian refreshments, the size of image and image.
In the embodiment of the present invention, controlling before camera is taken with great visual angle, the first acquiring unit 301 by gathering the preview image that enter camera imaging region with great visual angle, and can obtain the characteristics of image of this preview image.
First detecting unit 302, for the distortion rank of the characteristics of image determination preview image according to the first acquiring unit 301 acquisition, and whether the distortion rank detecting preview image is greater than default distortion rank.
In the embodiment of the present invention, during owing to using that camera is taken with great visual angle, if when the shooting visual 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, the first detecting unit 302 calculates the distortion of preview image according to the computing formula of the picture distortion preset.Wherein, the distortion calculating preview image according to the computing formula of the picture distortion preset specifically can comprise the distortion that distortion formula that the Information Pull such as shape according to preview image, the size of image, the distributed intelligence of image slices vegetarian refreshments and the geometric position of image preset calculates preview image, and determines the distortion rank of preview image according to the rule of the division distortion rank prestored.
In the embodiment of the present invention, the first detecting unit 302 judges that the mode whether preview image collected occurs to distort can comprise:
11) by the characteristics of image of this preview image of comparison and the characteristics of image of the target image prestored, wherein, this preview image and this image prestored all are aimed at same reference object.As: be all aimed at a desk.
12) by the characteristics of image of this preview image is mated with the feature prestored.As: the actual characteristic of the reference object that conventional lower preview image is corresponding, as: computer display screen is exactly the rectangle of rule.
First control unit 303, if detect that the distortion rank of preview image is greater than for the first detecting unit 302 to preset distortion rank, controls at least one common camera in user terminal and opens.
In the embodiment of the present invention, camera and at least one common camera with great visual angle in user terminal, can be configured.Wherein, common camera is also standard camera head, and camera is for determining the size of taking visual angle with great visual angle, and standard camera head then for taking reference object in the shooting visual angle determined.
In the embodiment of the present invention, distortion level threshold can be preset in the user terminal.
In the embodiment of the present invention, when according to the Image Feature Detection of preview image to the distortion rank of this preview image be greater than preset distortion rank time, then the first control unit 303 controls at least one common camera in user terminal and opens.
Second control unit 304, for when receiving shooting instruction, controls camera with great visual angle and at least one common camera with reference object corresponding to preview image for taking at shooting center, to obtain at least two images.
In the embodiment of the present invention, the input mode of shooting instruction can be phonetic entry mode, and also can be inputted by touch-control target button, the present invention be not construed as limiting.
In the embodiment of the present invention, when the distortion rank detecting preview image is greater than the distortion level threshold preset, and when opening at least one common camera, then can control camera with great visual angle and at least one common camera with reference object corresponding to preview image for taking at shooting center, to obtain at least two images.
Particularly, in user terminal, the unlatching number of common camera can be determined according to the actual conditions of picture distortion.For example, the distortion that the image zone line distortion obtained is generally less than surrounding is taken owing to using camera with great visual angle to carry out, if according to this feature, two common camera can be opened, wherein, camera remains the zone line gathering reference object corresponding to this preview image with great visual angle, and other two common camera then can gather with the image in the region of the left and right sides of reference object corresponding to this preview image.By this style of shooting, then can obtain three images.
Synthesis unit 305, for being an image according to the composition rule that pre-sets by least two Images uniting.
In the embodiment of the present invention, when the number opening common camera is different, then the number of the corresponding image obtained is also different.As above-mentioned for example, when unlatching two common camera, wherein, camera remains the zone line gathering reference object corresponding to this preview image with great visual angle, and other two common camera then can gather with the image in the region of the left and right sides of reference object corresponding to this preview image.By this style of shooting, then can obtain three images.Finally according to the composition rule pre-set, above-mentioned three images can be synthesized, to obtain an image.
In the embodiment of the present invention, owing to having the part of overlap in being clapped the image that obtains by camera with great visual angle and being taken the image that obtains by least one common camera, and be directed to this lap, the division rule that then can preset carries out dividing the image obtained, then carries out a synthesis by dividing the image obtained.
In figure 3, first the first acquiring unit 301 obtains the characteristics of image of the preview image that camera collection with great visual angle arrives; First detecting unit 302 is again according to the distortion rank of characteristics of image determination preview image, and whether the distortion rank detecting preview image is greater than default distortion rank; If detect, the distortion rank of preview image is greater than presets distortion rank, and the first control unit 303 controls at least one common camera in user terminal and opens; When receiving shooting instruction, the second control unit 304 controls camera with great visual angle and at least one common camera with reference object corresponding to preview image for taking at shooting center, to obtain at least two images; At least two Images uniting are an image according to the composition rule pre-set by last synthesis unit 305.In embodiments of the present invention, ensureing under the prerequisite that the shooting visual angle of camera is with great visual angle enough large, can by control at least one common camera and one with great visual angle camera take, finally at least one common camera is taken the image obtained and with great visual angle camera take the image obtained and synthesized by the composition rule pre-set.As can be seen here, the image finally obtained is the image obtained in the shooting visual angle of camera with great visual angle, and because of image be by least one common camera and with great visual angle camera take the image obtained and carry out synthesizing.Thus can solve because of the not good problem of the imaging effect that brings of distorting, to improve image quality.
Refer to Fig. 4, Fig. 4 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention.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: second acquisition unit 306, second detecting unit 307, unlatching unit 308 and selected cell 309, wherein,
Second acquisition unit 306, for obtaining the brightness values of current environment.
Second detecting unit 307, whether the brightness values obtained for detecting second acquisition unit 306 is greater than the brightness threshold value preset.
Open unit 308, if detect brightness values for the second detecting unit 307 to be greater than the brightness threshold value preset, then control camera with great visual angle and open.
In the embodiment of the present invention, control after camera is opened with great visual angle at unlatching unit 308, step the first acquiring unit 301 can also comprise the following steps before obtaining the characteristics of image of the preview image in camera imaging region with great visual angle:
31) detect user terminal and whether open visual angle adjustment modes;
32) if detect user terminal to open visual angle adjustment modes, then the characteristics of image that step obtains the preview image in camera imaging region is with great visual angle performed;
33) if detect user terminal not open visual angle adjustment modes, then export for pointing out the information of opening visual angle adjustment modes.
As the optional execution mode of one, the first detecting unit 302 can obtain further in refinement: acquisition module 3020, first determination module 3021 and detection module 3022, wherein,
Acquisition module 3020, is divided at least two subgraphs for the characteristics of image obtained according to the first acquiring unit 301 by preview image, and obtains the subgraph feature of each subgraph.
First determination module 3021, the subgraph feature for each subgraph obtained according to acquisition module 3020 determines the distortion rank of each subgraph.
Detection module 3022, for detecting at least two subgraphs the subgraph that whether there is distortion rank and be greater than default distortion rank.
Selected cell 309, is greater than the subgraph of default distortion rank as target subgraph for selecting at least one distortion rank.
In the embodiment of the present invention, according to characteristics of image, preview image can be divided at least two subgraphs.Wherein, concrete steps are shape according to image, preview image is divided at least two subgraphs by the size of image, the information such as the distributed intelligence of image slices vegetarian refreshments and the geometric position 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 embodiment of the present invention, after preview image being divided at least two subgraphs according to the characteristics of image of preview image, the subgraph feature dividing each subgraph obtained can be obtained.Wherein, the subgraph feature of each subgraph comprises the shape of subgraph, the size of subgraph, the distributed intelligence of sub-image pixels point and the geometric position of subgraph.Wherein, the size of the shape of subgraph, subgraph, the distributed intelligence of sub-image pixels point and the geometric position of subgraph are all for the actual photographed object corresponding relative to this preview image.
In the embodiment of the present invention, according to the distortion of each subgraph that the computing formula computation partition of the picture distortion preset obtains.Wherein, the distortion of each subgraph obtained according to the computing formula computation partition of the picture distortion preset specifically can comprise the distortion of each subgraph that distortion formula computation partition that the Information Pull such as the shape of the subgraph according to each subgraph, the size of subgraph, the distributed intelligence of sub-image pixels point and the geometric position of subgraph preset obtains, and determines the distortion rank of each subgraph according to the rule of the division distortion rank prestored.
In the embodiment of the present invention, distortion rank can be preset in the user terminal, when the distortion rank of some subgraphs is greater than this distortion rank preset, then illustrate that the distortion rank of this subgraph is large, the distortion of this subgraph is serious, may affect the viewing effect of user to whole reference object.Then distortion rank can be greater than the subgraph of default distortion rank as target subgraph.If the distortion rank that the distortion rank of some subgraphs presets lower than this, then illustrate that the distortion rank of this subgraph is little, this subgraph distorts slightly, does not affect the actual viewing of reference object.
As the optional execution mode of another kind, the second control unit 304 can obtain further in refinement: the second determination module 3040 and control module 3041, wherein,
Second determination module 3040, for when receiving shooting instruction, determine the straight line of common camera imaging region second impact point that the first object point of the predeterminable area of the reference object that target subgraph is corresponding is corresponding with target subgraph, and determine the angle of vertical line of straight line and common camera imaging region;
Control module 3041, angle for determining according to the second determination module 3040 determines the anglec of rotation of the common camera corresponding with target subgraph, and control the common camera corresponding with target subgraph according to the anglec of rotation rotate extremely with reference object corresponding to target subgraph for taking center, and to take.
In the embodiment of the present invention, can determine a predeterminable area in any one target subgraph, wherein, this predeterminable area can correspond to the reference object corresponding with this target subgraph.Wherein, this predeterminable area can be the central area of target subgraph, also can be with central area be reference face edge regions.And the size in this region can be determined according to the actual size of reference object, and this predeterminable area can be regular figure, also can be irregular figure.
In the embodiment of the present invention, the first object point of the predeterminable area of the reference object that target subgraph is corresponding can be any point of predeterminable area.
In the embodiment of the present invention, a predeterminable area can be also determined in the common camera imaging region that target subgraph is corresponding, wherein, this predeterminable area can be the central area of the common camera imaging region corresponding with target subgraph, also can be with central area be reference face edge regions.And the size in this region can be determined according to the actual size of the common camera imaging region corresponding with target subgraph, and this predeterminable area can be regular figure, also can be irregular figure.
In the embodiment of the present invention, the second impact point of the predeterminable area of the common camera imaging region that target subgraph is corresponding can be any point of predeterminable area.
Particularly, the first object point of the predeterminable area of the reference object that target subgraph is corresponding can be central point, and common camera imaging region second impact point corresponding with target subgraph also can be central point.
In the embodiment of the present invention, step is when receiving shooting instruction, second determination module 3040 determines the straight line of common camera imaging region second impact point that the first object point of the predeterminable area of the reference object that target subgraph is corresponding is corresponding with target subgraph, and after the angle of vertical line determining this straight line and common camera imaging region, can also comprise the following steps:
41) detect this angle and whether be greater than the angle threshold preset;
42) if detect this angle to be greater than the angle threshold preset, then perform the anglec of rotation determining the common camera corresponding with target subgraph according to angle, and control the common camera corresponding with target subgraph according to the anglec of rotation rotate extremely with reference object corresponding to target subgraph for taking center, and take, to obtain the step of at least two images.
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, after the second determination module 3040 determines the anglec of rotation of the common camera corresponding with target subgraph according to the angle after determining, then control module 3041 can control the common camera corresponding with target subgraph according to the anglec of rotation rotate to reference object corresponding to target subgraph for shooting center, and take, to obtain at least two images.Concrete, the angle that can control to determine according to the anglec of rotation determined is less than the angle threshold preset.Be less than according to the angle that the anglec of rotation determined controls to determine the angle threshold preset and can reach by performing step and perform step and control the common camera corresponding with target subgraph and rotate the effect that extremely can reach for shooting center with the reference object that target subgraph is corresponding according to the anglec of rotation.
For example, 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 diagram, describe the second control unit 304 in detail and control the common camera corresponding with target subgraph with reference object corresponding to target subgraph for shooting center carries out rotating mainly by the straight line of the predeterminable area and common camera imaging region of determining the reference object that target subgraph is corresponding, and determine the angle of vertical line of straight line and this common camera imaging region; Determine the anglec of rotation of this common camera according to angle, and control this common camera and rotate to angle according to the anglec of rotation and be less than the angle threshold preset.In embodiments of the present invention, describe the rotation foundation of common camera rotary course in detail, and also without the need to user's manual operation in whole rotary course, visible, implement the embodiment of the present invention and can simplify the operating procedure used in common camera shooting process.And by by least one common camera and with great visual angle camera take the image obtained and synthesizes, then can reach the object of raising picture quality equally.
Concrete, the part or all of flow process in the photographic method embodiment that the user 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 (Central Processing Unit, central processing unit), or realized by ASIC (Application SpecificIntegrated Circuit, 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 user 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-Only Memory, ROM) or random access memory (Random Access Memory 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 (12)
1. a photographic method, is characterized in that, comprising:
Obtain the characteristics of image of the preview image that camera collection with great visual angle arrives;
Determine the distortion rank of described preview image according to described characteristics of image, and whether the distortion rank detecting described preview image is greater than default distortion rank;
If detect, the distortion rank of described preview image is greater than described default distortion rank, controls at least one common camera in user terminal and opens;
When receiving shooting instruction, described in control with great visual angle camera and at least one common camera described with reference object corresponding to described preview image for taking at shooting center, to obtain at least two images;
Be an image according to the composition rule pre-set by described at least two Images uniting.
2. method according to claim 1, is characterized in that, the described distortion rank determining described preview image according to described characteristics of image, and whether the distortion rank detecting described preview image is greater than default distortion rank, comprising:
According to described characteristics of image, described preview image is divided at least two subgraphs, and obtains the subgraph feature of each subgraph;
The distortion rank of each subgraph described is determined according to the subgraph feature of each subgraph described;
Whether there is distortion rank at least two subgraphs described in detection and be greater than the subgraph presetting distortion rank.
3. method according to claim 2, it is characterized in that, after at least two subgraphs described in detecting, existence distortion rank is greater than the subgraph of described default distortion rank, before in described control user terminal, at least one common camera is opened, described method also comprises:
At least one distortion rank is selected to be greater than the subgraph of default distortion rank as target subgraph;
Wherein, described when receiving shooting instruction, described in control with great visual angle camera and at least one common camera described with reference object corresponding to described preview image for taking at shooting center, to obtain at least two images, comprising:
When receiving shooting instruction, control common camera corresponding with described target subgraph at least one common camera described with reference object corresponding to described target subgraph for taking at shooting center, and described in controlling with great visual angle camera with reference object corresponding to described preview image for taking at shooting center, to obtain at least two images.
4. the method according to right 3, it is characterized in that, described when receiving shooting instruction, controlling common camera corresponding with described target subgraph at least one common camera described with reference object corresponding to described target subgraph for taking at shooting center, comprising:
When receiving shooting instruction, determine the straight line of common camera imaging region second impact point that the first object point of the predeterminable area of the reference object that described target subgraph is corresponding is corresponding with described target subgraph, and determine the angle of vertical line of described straight line and this common camera imaging region;
The anglec of rotation of the common camera corresponding with described target subgraph is determined according to described angle, and control the described common camera corresponding with described target subgraph according to the described anglec of rotation rotate extremely with reference object corresponding to described target subgraph for taking center, and to take.
5. method according to claim 4, it is characterized in that, described when receiving shooting instruction, determine the straight line of common camera imaging region second impact point that the first object point of the predeterminable area of the reference object that described target subgraph is corresponding is corresponding with described target subgraph, comprising:
When receiving shooting instruction, straight line formed by the central point determining the common camera imaging region that the central point of the predeterminable area of the reference object that described target subgraph is corresponding is corresponding with described target subgraph.
6. according to the method in Claims 1 to 5 described in any one, it is characterized in that, described when opening the shoot function of camera with great visual angle, before the characteristics of image of preview image that described in acquisition, camera collection arrives with great visual angle, described method also comprises:
Obtain the brightness values of current environment;
Detect described brightness values and whether be greater than the brightness threshold value preset;
If detect described brightness values to be greater than the described brightness threshold value preset, then described in controlling, camera is opened with great visual angle.
7. a user terminal, is characterized in that, comprising:
First acquiring unit, for obtaining the characteristics of image of the preview image that camera collection with great visual angle arrives;
First detecting unit, the characteristics of image for obtaining according to described first acquiring unit determines the distortion rank of described preview image, and whether the distortion rank detecting described preview image is greater than default distortion rank;
First control unit, if detect that the distortion rank of described preview image is greater than described default distortion rank for described first detecting unit, controls at least one common camera in user terminal and opens;
Second control unit, for when receiving shooting instruction, described in control with great visual angle camera and at least one common camera described with reference object corresponding to described preview image for taking at shooting center, to obtain at least two images;
Synthesis unit, for being an image according to the composition rule that pre-sets by described at least two Images uniting.
8. user terminal according to claim 7, is characterized in that, described first detecting unit comprises:
Acquisition module, is divided at least two subgraphs for the characteristics of image obtained according to described first acquiring unit by described preview image, and obtains the subgraph feature of each subgraph;
First determination module, the subgraph feature for each subgraph obtained according to described acquisition module determines the distortion rank of each subgraph described;
Detection module, is greater than for whether there is distortion rank at least two subgraphs described in detecting the subgraph presetting distortion rank.
9. user terminal according to claim 8, is characterized in that, described user terminal also comprises:
Selected cell, is greater than the subgraph of default distortion rank as target subgraph for selecting at least one distortion rank;
Wherein, described second control unit is specifically for when receiving shooting instruction, control common camera corresponding with described target subgraph at least one common camera described with reference object corresponding to described target subgraph for taking at shooting center, and described in controlling with great visual angle camera with reference object corresponding to described preview image for taking at shooting center, to obtain at least two images.
10. user terminal according to claim 9, is characterized in that, described second control unit comprises:
Second determination module, for when receiving shooting instruction, determine the straight line of common camera imaging region second impact point that the first object point of the predeterminable area of the reference object that described target subgraph is corresponding is corresponding with described target subgraph, and determine the angle of vertical line of described straight line and described common camera imaging region;
Control module, angle for determining according to described second determination module determines the anglec of rotation of the common camera corresponding with described target subgraph, and control the described common camera corresponding with described target subgraph according to the described anglec of rotation rotate extremely with reference object corresponding to described target subgraph for taking center, and to take.
11. user terminals according to claim 10, it is characterized in that, described second determination module specifically for when receiving shooting instruction, straight line formed by the central point determining the common camera imaging region that the central point of the predeterminable area of the reference object that described target subgraph is corresponding is corresponding with described target subgraph.
12., according to the user terminal described in claim 7 ~ 11, is characterized in that, described user terminal also comprises:
Second acquisition unit, for obtaining the brightness values of current environment;
Second detecting unit, whether the brightness values obtained for detecting described second acquisition unit is greater than the brightness threshold value preset;
Open unit, if detect described brightness values for described second detecting unit to be greater than the described brightness threshold value preset, then described in controlling, camera is opened with great visual angle.
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