CN107509032A - One kind is taken pictures reminding method and mobile terminal - Google Patents

One kind is taken pictures reminding method and mobile terminal Download PDF

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Publication number
CN107509032A
CN107509032A CN201710803171.1A CN201710803171A CN107509032A CN 107509032 A CN107509032 A CN 107509032A CN 201710803171 A CN201710803171 A CN 201710803171A CN 107509032 A CN107509032 A CN 107509032A
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preview image
image
target
composition
parameter
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柳辉
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN201710803171.1A priority Critical patent/CN107509032A/en
Publication of CN107509032A publication Critical patent/CN107509032A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/62—Control of parameters via user interfaces
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G06V10/462—Salient features, e.g. scale invariant feature transforms [SIFT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/20—Scenes; Scene-specific elements in augmented reality scenes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Geometry (AREA)
  • Studio Devices (AREA)

Abstract

Taken pictures reminding method and mobile terminal the invention provides one kind, wherein reminding method of taking pictures includes：During shooting preview, the preview image of camera collection is obtained；Feature point detection is carried out to the preview image, obtains image characteristic point；It is determined that the target pattern characteristic parameter to match with described image characteristic point；Based on described image characteristic point and the target pattern characteristic parameter, display, which is taken pictures, adjusts prompt message；Wherein, the position that adjustment prompt message is used to prompt user to adjust reference object in the preview image of taking pictures, makes good auxiliary to the process of taking pictures of user, is easy to the use of taking pictures of user.

Description

One kind is taken pictures reminding method and mobile terminal
Technical field
The present embodiments relate to the communications field, more particularly to one kind is taken pictures reminding method and mobile terminal.
Background technology
Nowadays take pictures and have become an indispensable part in people's life, everyone be intended to take effect it is good and Have artistic photo, therefore camera function is equipped with the mobile terminal such as mobile phone, with the development of mobile phone photograph technology, clap Become better and better according to effect, image quality increasingly high definition, but a good photo more floats in addition to clear fine and smooth effect It is bright and be also indispensable with aesthetic feeling, because take pictures exactly in order to leave fine memory of fine moment, therefore by structure Figure method, which is attached to, takes pictures, and instructs the user how to go to take pictures according to environment, has highly important meaning for the photo taken Justice.
Existing photographic method, to reach the shooting effect of captured picture, it will usually provide some compositions figure attractive in appearance Piece aids in as shooting, although this kind of supplementary mode can provide reference for the shooting of user, user is in face of changeable When environment, changeable scene, generally require to exit the different composition pictures that shooting interface compares offer repeatedly in shooting process Content, it is cumbersome, and be difficult to make a choice from different composition pictures, hence in so that these composition pictures can not be to user The process of taking pictures make preferable booster action, be not easy to the use of taking pictures of user.
The content of the invention
One kind is provided in the embodiment of the present invention to take pictures reminding method and mobile terminal, with solve it is of the prior art take pictures it is auxiliary Help mode to be difficult to tackle changeable environment and photographed scene, it is cumbersome the problem of.
In order to solve the above-mentioned technical problem, the embodiment of the present invention adopts the following technical scheme that：
Taken pictures reminding method, applied to mobile terminal, the prompting of taking pictures in a first aspect, the embodiment of the present invention provides one kind Method includes：
During shooting preview, the preview image of camera collection is obtained；
Feature point detection is carried out to the preview image, obtains image characteristic point；
It is determined that the target pattern characteristic parameter to match with described image characteristic point；
Based on described image characteristic point and the target pattern characteristic parameter, display, which is taken pictures, adjusts prompt message；
Wherein, the position that adjustment prompt message is used to prompt user to adjust reference object in the preview image of taking pictures Put.
Second aspect, the embodiment of the present invention also provide a kind of mobile terminal, including：
Acquisition module, for during shooting preview, obtaining the preview image of camera collection；
Module is obtained, the preview image for being obtained to the acquisition module carries out feature point detection, obtains image Characteristic point；
Determining module, for determining and described to obtain the target pattern that the described image characteristic point that module obtains matches special Levy parameter；
Display module, for obtaining described image characteristic point that module obtains and the determining module determines based on described The target pattern characteristic parameter, display, which is taken pictures, adjusts prompt message；
Wherein, the position that adjustment prompt message is used to prompt user to adjust reference object in the preview image of taking pictures Put.
The third aspect, the embodiment of the present invention also provide a kind of mobile terminal, including processor, memory and are stored in described On memory and the computer program that can run on the processor, the computer program is by real during the computing device Now take pictures as described above reminding method the step of.
Fourth aspect, the embodiment of the present invention also provide a kind of computer-readable recording medium, the computer-readable storage Computer program is stored on medium, reminding method as described above of taking pictures is realized when the computer program is executed by processor Step.
In embodiments of the present invention, by during shooting preview, the preview image of camera collection being obtained, to preview Image carries out feature point detection, and determines the target pattern characteristic parameter to match with image characteristic point, based on image characteristic point With target pattern characteristic parameter, display, which is taken pictures, adjusts prompt message, during the process takes pictures the involvement of composition method, realizes to pre- Look at the feature detection of image, obtain image characteristic point and corresponding target pattern characteristic parameter, and then instruct user goes how to clap Take the photograph, realization is directed to different take pictures content and photographed scene, target pattern characteristic parameter corresponding to acquisition, and then realizes to user The process of taking pictures make good auxiliary, be easy to the use of taking pictures of user, so as to reach lifting picture aesthetic feeling effect, save numerous Trivial operation, meet that user shoots demand.
Brief description of the drawings
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.
Fig. 1 represents the flow chart of reminding method of being taken pictures in the embodiment of the present invention；
The flow for the target pattern characteristic parameter that Fig. 2 represents to determine in the embodiment of the present invention and image characteristic point matches Figure；
Image characteristic point and target pattern characteristic parameter are based in Fig. 3 expression embodiment of the present invention, shows that adjustment of taking pictures carries Show the flow chart of information；
Fig. 4 represents the picture view of diagonal composition in the embodiment of the present invention；
Fig. 5 represents the prompting schematic diagram of taking pictures under diagonal composition in the embodiment of the present invention；
Fig. 6 represents the preview image schematic diagram after being adjusted in the embodiment of the present invention under diagonal composition；
Fig. 7 represents the picture view under symmetrical expression composition in the embodiment of the present invention；
Fig. 8 represents the prompting schematic diagram one of taking pictures under symmetrical expression composition in the embodiment of the present invention；
Fig. 9 represents the prompting schematic diagram two of taking pictures under symmetrical expression composition in the embodiment of the present invention；
Figure 10 represents the picture view of nine grids composition in the embodiment of the present invention；
Figure 11 represents the preview image schematic diagram under nine grids composition in the embodiment of the present invention；
Figure 12 represents the prompting schematic diagram of taking pictures under nine grids composition in the embodiment of the present invention；
Figure 13 represents the preview image schematic diagram after being adjusted in the embodiment of the present invention under nine grids composition；
Figure 14 represents the structured flowchart one of mobile terminal in the embodiment of the present invention；
Figure 15 represents the structured flowchart two of mobile terminal in the embodiment of the present invention；
Figure 16 represents the structured flowchart three of mobile terminal in the embodiment of the present invention；
Figure 17 represents the structured flowchart four of mobile terminal in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.
One kind disclosed in the embodiment of the present invention is taken pictures reminding method, and applied to mobile terminal, with reference to shown in Fig. 1, this is taken pictures Reminding method includes：
Step 101：During shooting preview, the preview image of camera collection is obtained.
Mobile terminal is in shooting image, it is necessary to first preview be carried out to the image of camera collection, so that user is clapped Checking for effect is taken the photograph, to carry out adjustment of taking pictures.
Step 102：Feature point detection is carried out to preview image, obtains image characteristic point.
Feature point detection is carried out to preview image, can be specifically parsing preview image, the color obtained in the image is special Sign, textural characteristics, shape facility, spatial relation characteristics etc., and then obtain the image characteristic point in the preview image.
Step 103：It is determined that the target pattern characteristic parameter to match with the image characteristic point.
Based on the obtained image characteristic point of detection, target pattern characteristic parameter is obtained, specifically by incorporating composition algorithm, The scene detection in preview image is realized with reference to image characteristic point, target pattern characteristic parameter ideally is obtained, to enter One step combines the target pattern characteristic parameter and the preview image currently shown take pictures adjustment prompting, and lifting user takes pictures tune It is whole convenient to use process.
The target pattern characteristic parameter is used to combine image characteristic point, realizes intelligent, automation calculating or matches To the target pattern characteristic parameter to match with characteristics of image in current preview image, to realize to the composition of preview image Follow-up adjustment prompting, good booster action is made with the photographing operation to user, lifts the convenient degree of the photographing operation of user.
Step 104：Based on the image characteristic point and target pattern characteristic parameter, display, which is taken pictures, adjusts prompt message.
Wherein, the position that adjustment prompt message is used to prompt user to adjust reference object in the preview image of taking pictures. When getting the target pattern characteristic parameter to match with preview image, based on the target pattern characteristic parameter and characteristics of image Point, the content for the composition requirement that target pattern characteristic parameter is unsatisfactory in the preview image can be obtained, composition is not met to this It is required that image content take pictures adjustment prompting so that those contents meet composition requirement；For example, user is reminded to adjust preview At the golden ratio cut-off rule that personage in image stands in picture, prompt user to adjust preview image and cause in preview image Meet it is symmetrical etc., can be directly in the bat of mobile terminal after the image characteristic point and target pattern characteristic parameter is combined Take the photograph in preview interface and show adjustment prompt message of taking pictures, adjustment prompting of taking pictures is carried out to user, realize preferably to user's progress Take pictures auxiliary, make user in face of it is different take pictures content and photographed scene when, more easily realize the lifting for effect of taking pictures, Composition method is incorporated during taking pictures, change and simple provide patterned lines or composition picture to allow user oneself to remove selection and composition Process, it is easy to operate.
Specifically, the adjustment prompt message of taking pictures can be that dynamic or static icon are prompted, or text prompt etc., this Place is without concrete restriction.
The reminding method of taking pictures, by during shooting preview, the preview image of camera collection being obtained, to preview graph As carrying out feature point detection, and determine the target pattern characteristic parameter to match with image characteristic point, based on image characteristic point and Target pattern characteristic parameter, display, which is taken pictures, adjusts prompt message, during the process takes pictures the involvement of composition method, realizes to preview The feature detection of image, image characteristic point and corresponding target pattern characteristic parameter are obtained, and then instruct user goes how to shoot, Realization is directed to different take pictures content and photographed scene, target pattern characteristic parameter corresponding to acquisition, and then realizes to user's The process of taking pictures makes good auxiliary, is easy to the use of taking pictures of user, and so as to reach the effect of lifting picture aesthetic feeling, saves cumbersome Operation, meet that user shoots demand.
As a preferred embodiment, wherein, the determination is joined with the target pattern feature that the image characteristic point matches Several steps, with reference to shown in Fig. 2, including：
Step 201：According to image characteristic point, the pattern features parameter in the preview image is extracted.
According to the image characteristic point detected from preview image, the pattern features parameter in preview image is extracted, The pattern features parameter can be the position distribution parameter, accounting parameter or shapes textures parameter in each region of pie graph picture etc. Deng.
Step 202：Obtain the composition match parameter of at least one scene composition prestored.
The composition match parameter of at least one scene composition can carry out pre- typing, or be carried out in advance in camera applications Configuration.Present camera typically can all be built-in with the algorithm to the detection of scene characteristic point, can also be extracted from those algorithms each The data parameters of kind composition method, using at least one scene structure of the foundation that preview image is adjusted as in preview interface The composition match parameter of figure.
Step 203：Pattern features parameter is matched with the composition match parameter of at least one scene composition, obtained With the target scene composition of pattern features match parameters.
Pattern features parameter in the preview image that extraction is obtained, ginseng is matched with the composition of at least one scene composition Number is matched, when therefrom matching the composition match parameter being consistent, you can the composition match parameter being consistent according to this, The scene composition corresponding with preview image is obtained, the different composition demands under different photographed scenes is realized, adapts to polynary use Family is taken pictures demand, and lifting is taken pictures auxiliaring effect.
Wherein, may each comprise in the pattern features parameter and composition match parameter：Regional Distribution Characteristics parameter or region structure Into ratio characteristic parameter.
Specifically, after the target scene composition is got, composition title can be shown in preview interface, or provide phase The patterned lines prompting answered.
Step 204：Obtain target pattern characteristic parameter corresponding to the target scene composition.
After matching gets the target scene composition with pattern features match parameters, you can obtain the target scene structure Target pattern characteristic parameter corresponding to figure, is combined with realizing in subsequent process with image characteristic point, is realized to preview image The adjustment prompting of composition.
Using the composition match parameter of at least one scene composition as medium, by the pattern features parameter in preview image with being somebody's turn to do Composition match parameter is matched, and finally gives the target scene composition to match, is realized and is selected from least one scene composition Target scene composition is taken, realizes the Auto-matching identification process of diversified scene composition, and then obtains corresponding target pattern Characteristic parameter, realize according to different types of composition to carry out follow-up adjustment prompting of taking pictures to preview image.
Specifically, concrete example explanation is carried out to the process.
When taking pictures, user opens camera and starts to find a view into camera preview interface, and mobile terminal is carried out to preview image Feature point extraction, characteristic point is analyzed, implement, to the content and scene detection in preview image, to obtain pattern features parameter, together When matched with the composition match parameter of the scene composition of various composition methods, found from several scenes composition and meet current field The target scene composition of scape, target pattern characteristic parameter corresponding to acquisition, acquiescence can use nine grids composition；According to the target Image characteristic point in pattern features parameter and preview image, if detect that present preview image has the feature of composition, but It is the composition requirement for also not exclusively meeting target pattern characteristic parameter, then needs to be modified present preview image, it is necessary to really Surely the display location of the image content of composition requirement is not met, and calculates the target camera site for meeting composition requirement, finally Adjustment prompting of taking pictures is provided, such as needs to be moved to the left mobile phone to adjust preview image, then shifting can be shown in preview interface Dynamic orientation, can be specifically to prompt photographer to need to be moved to the left in form of arrows, if preview image includes portrait, and Image characteristic point according to the target pattern characteristic parameter and preview image, detect current scene in preview image The parameter request of a certain scene composition is met, then the region that portrait will occur has been shown in picture of finding a view, referred to Lead photographer or be taken and move to carry out last shooting, realize intelligently according to current shooting content, from different type Composition in obtain with captured content mutually proper patterned type, to carry out adjustment prompting of taking pictures to preview image, to user Effective auxiliary of taking pictures is provided.
It is described to be based on described image characteristic point and the target pattern characteristic parameter as a preferred embodiment, show Show the step of taking pictures adjustment prompt message, with reference to shown in Fig. 3, including：
Step 301：According to the image characteristic point, the first current shooting position of reference object in preview image is determined.
The first current shooting position is reference object current location residing in preview image, is gathered for mobile terminal After external image, display location of the reference object in preview image.
The determination of the reference object, can be realized using modes such as contour detecting, depth detections, the reference object can To be the personage in picture, or picture focusing place a range of display content, or profile it is complete and The larger display content of picture area proportion, or the display content in picture central display area are accounted for, is not made herein It is specific to limit.
Step 302：According to target pattern characteristic parameter, the target camera site of reference object is determined.
The target camera site is the preferable display location that reference object meets composition requirement in preview image, is foundation Target pattern characteristic parameter determines to obtain corresponding to target scene composition.
Step 303：According to the first current shooting position and target camera site, determine that the position adjustment of reference object is believed Breath.
Wherein, the position adjustment information can be display box either arrow, or text prompt information.Example Such as, it can be according to the first current shooting position and target camera site, be calculated from the first current shooting position and be moved to Target camera site needs the adjustment information such as mobile distance.
Step 304：Show the position adjustment information.
Wherein, the target camera site is that the reference object meets the target pattern spy in the preview image Levy the image-capturing positions of parameter.
According to the first current shooting position and target camera site, taking pictures for user is prompted, so that user adjusts It is whole to find a view, change the composition in preview image, reference object is moved to the mesh for meeting composition requirement from current camera site Camera site is marked, realizes the auxiliary of taking pictures to user, helps user to shoot more preferable photo.
Preferably, the step of display location adjustment information, including：In the target shot location display location frame； Or in the preview interface of the mobile terminal, show by the first current shooting position to the target camera site Mobile arrow.To adapt to the display that the content of different preview images carries out prompt message.
As a preferred embodiment, wherein, based on described image characteristic point and the target pattern characteristic parameter, show After showing the step of taking pictures adjustment prompt message, in addition to：Detect the second current bat of the reference object in the preview image Act as regent and put；If detecting, the second current shooting position differs with the target camera site, works as according to described second Preceding camera site and the target camera site, position adjustment information described in real-time update；If detect the described second current bat Acting as regent, it is identical with the target camera site to put, then eliminates the display of the position adjustment information.
The process, it is necessary to carry out lasting detection to the camera site of user after adjustment prompt message is taken pictures in display, When detecting that the second current shooting position of the reference object in preview image and target camera site differ, then show user Also adjustment process is not completed, it is necessary to position adjustment information after continuously display renewal, such as position adjustment information is " adjusts to the left How much rice ", then need persistently to be updated display to the length of the distance, and work as and detecting the second current shooting position and target When camera site is identical, then show that user completes adjustment process, then position adjustment information cancels display, realizes tune of being taken pictures to user It has suffered the tracking prompting of journey.
Specifically, with reference to several frequently seen composition, to foregoing according to image characteristic point, the structure in the preview image is extracted Figure characteristic parameter, pattern features parameter is matched with the composition match parameter of at least one scene composition, acquisition and composition The process for the target scene composition that characteristic parameter matches is illustrated.
The first：Diagonal composition.
As a preferred embodiment, according to described image characteristic point, the pattern features in the preview image are extracted The step of parameter, including：
According to described image characteristic point, detect in the preview image whether include inclined linear characteristics of image；If inspection Measure and inclined linear characteristics of image is included in the preview image, then obtain linear in the inclined linear characteristics of image Length and angle of inclination.
Accordingly, this carries out the composition match parameter of the pattern features parameter and at least one scene composition Match somebody with somebody, the step of acquisition with the target scene compositions of the pattern features match parameters, including：
If the difference of the catercorner length in the linear length and the preview image is in the first preset range, and institute The difference at cornerwise angle of inclination in angle of inclination and the preview image is stated in the second preset range, it is determined that with institute The target scene for stating pattern features match parameters is patterned into diagonal composition.
Specifically with reference to shown in Fig. 4.The conventional sensing algorithm of the characteristic point typically carried using camera, detect in preview image Image characteristic point, the image feature information in preview image is extracted, it is to belong to same area that can detect A, B in Fig. 4 quickly Domain, and be inclined Line Chart picture, the angle of inclination a in the region, and the length of AB Line Chart pictures then can be calculated, The linear image detected and cornerwise length in preview image and angle of inclination are compared, as long as between those parameters Deviation be in rational scope, then it is assumed that the composition in the preview image meets diagonal composition.
Specifically, with reference to shown in Fig. 5, when taking pictures, people generally prefers that station before long ladder, such as at A or at B, By feature point detection, the long ladder and portrait in preview image are detected, detects position of the long ladder in current scene, including The parameter such as angle of inclination and length, the length and angle of inclination that can draw this duration ladder substantially differ with cornerwise corresponding parameter Less, you can judge that it meets diagonal composition, now can also detect that position of the people in current scene (at A, or B Place), it can also judge that length is terraced from the distance between people by the depth of field, if it is judged that length is terraced close from people, while if people As in A areas or B areas, meeting diagonal composition due to detecting, then a position indicating frame prompting can be ejected in C regions Photographer, the person of being taken can stand to C regions and go to take pictures, as shown in fig. 6, position indicating frame disappears after C regions are reached, carry Showing to take pictures, easy to operate to the effective auxiliary of offer of taking pictures of user, and the photo so taken meets corresponding composition It is required that with good effect of taking pictures.
Second：Symmetrical expression composition.
As a preferred embodiment, according to described image characteristic point, the pattern features in the preview image are extracted The step of parameter, including：
Whether according to described image characteristic point, detecting includes the middle area for separating the preview image in the preview image Domain；If detecting, the preview image includes separating the intermediate region of the preview image, obtains the intermediate region Development length and two regions separated by the intermediate region account for the aspect ratio of the preview image respectively.
Accordingly, wherein this enters the pattern features parameter and the composition match parameter of at least one scene composition The step of row matching, acquisition and target scene composition of the pattern features match parameters, including：
If the development length of the intermediate region and the difference of the length of the line of symmetry of the preview image are default the 3rd In the range of, and described two regions account for the difference of the aspect ratio of the preview image in the 4th preset range respectively, then really The fixed target scene with the pattern features match parameters is patterned into symmetrical expression composition.
Specifically, symmetrical expression composition is divided into formula composition symmetrical above and below and symmetrical formula composition, in shooting building, landscape Using more, formula composition symmetrical above and below described herein, the pattern features are that picture is separated by intermediate region, and upper and lower forms greatly The effect of equity is caused, by carrying out feature detection to picture, it is a cut-off rule or cut section that can detect intermediate region Domain, upper and lower region is separated, can be specifically that two field colors are substantially close by color detection lower regions, and With the difference of intermediate region, you can be defined as detecting the intermediate region including separating preview image, to further determine whether Corresponding to symmetrical expression composition, pattern features parameter therein need to be obtained, such as two regions account for the ratio of picture up and down, and The development length of intermediate region, the development length of intermediate region may be set to three points more than or equal to middle symmetrical line length Two, the ratio that lower regions account for picture is substantially reciprocity, can now judge the feature for meeting symmetrical expression composition.
It is specific to be, for example,：With reference to shown in Fig. 7, Fig. 8, Fig. 9, in this scene, by feature point detection, B can be detected Region is a piece of construction zone, and color detection, A areas (lake), C areas (sky), respective field color are carried out to lower regions It is close, and the difference of picture accounting is in setting range, the development length of middle construction zone reaches certain length, and greatly Cause separates lower regions, it is determined that is symmetrical expression composition.
During adjustment prompt message is taken pictures in follow-up display, if according to image characteristic point, determine in preview image The current shooting position of intermediate region is (as shown in Figure 8) on the upper side, and by calculating, the central area where learning line of symmetry does not exist Construction zone, but in lake, then illustrate up and down asymmetry, at this time in preview interface, display is from the bottom to top The arrow that moves up of prompting user, prompt photographer's preview screen to move up, when detecting line of symmetry institute Central area in construction zone when, it indicates that arrow disappear, illustrate to have met formula composition symmetrical above and below, can To take pictures.Similarly if the current shooting position of intermediate region is (as shown in Figure 9) on the lower side in preview image, again by meter Calculate, learn the central area where line of symmetry not in construction zone, but on high in, then it is not right up and down to illustrate Claim, the arrow moved down is at this time shown in preview interface, prompt photographer's preview screen to move down, work as inspection Central area is measured in construction zone, then dotted arrow disappears, and illustrates to have met formula composition symmetrical above and below, can To take pictures, the effective auxiliary of offer of taking pictures to user.
The third：Nine grids (well word) composition.
As a preferred embodiment, according to described image characteristic point, the composition extracted in the preview image is special for this The step of levying parameter, including：
Whether according to described image characteristic point, detecting includes at least two shooting main bodys in the preview image；If detection Include at least two shooting main bodys to the preview image, then obtain at least two shootings main body in the preview image In distance.
Accordingly, this carries out the composition match parameter of the pattern features parameter and at least one scene composition Match somebody with somebody, the step of acquisition with the target scene compositions of the pattern features match parameters, including：
If the distance of at least two shooting main bodys in the preview image is more than predetermined threshold value, it is determined that with it is described The target scene of pattern features match parameters is patterned into nine grids composition.
Specifically with reference to shown in Figure 10.Nine grids composition, i.e., subject is placed on the position in tetra- crosspoints of ABCD, this four Individual position is the optimum position for shooting main body, and this four regions can be obtained by calculating can in scene.
It is specific to be, for example,：With reference to shown in Figure 11, what is represented at A is the scenic spots and historical sites at one, and people are generally preferred that in name Shenggu Take pictures and be reluctant to leave before mark, when the reminding method of taking pictures in using the embodiment of the present invention is taken pictures, first by extracting characteristic point, Building and portrait are detected, and is calculated between each other in distance mutual on picture of finding a view, detects such a scene, It is more than predetermined threshold value when building and two, portrait shoot distance of the main bodys in preview image, then nine grids is selected after matching Composition is as target scene composition；Confirm after using nine grids composition, with reference to shown in Figure 12, calculate building and portrait is being found a view The display location for meeting nine grids composition requirement of picture, while shown using position indicating frame, guiding photographing person and by Photographer readjusts position, and when the person of being taken is good according to the position station of prompting, or photographer adjusts camera lens so that building The camera site of prompting is in people, with reference to shown in Figure 13, now position indicating frame disappears, and shows that nine grids composition is complete Into can shoot.
The respective embodiments described above, by according to image characteristic point, extracting the pattern features parameter in preview image, and by structure Figure characteristic parameter is matched with the composition match parameter of at least one scene composition, from least one scene composition kind, is obtained The target scene composition with pattern features match parameters is taken, is realized according to current preview screen, automatic realize links up matching With election process, there is provided good auxiliary of taking pictures, lift user's operating comfort.
In addition, the method that this scene composition is incorporated in taking pictures carries out auxiliary of taking pictures, be not frame of taking pictures is dead, have to Taken pictures by composition method, after all same things, different angles has different compositions, and is to aid in common photographer and is formed The thinking of composition, instructs how they remove composition, and more, the thinking that there has also been composition gradually of bat more can be independent of structure Figure goes to shoot, and lifts the technical ability of taking pictures of user, and preferably meets the shooting demand of user.
A kind of mobile terminal is also disclosed in the embodiment of the present invention, and the mobile terminal can realize foregoing prompting of taking pictures Each process in method, and identical technique effect can be reached, to avoid repeating, repeat no more here.Specifically, with reference to figure 14th, shown in Figure 15, the mobile terminal includes：Acquisition module 401, obtain module 402, determining module 403 and display module 404.
Acquisition module 401, for during shooting preview, obtaining the preview image of camera collection.
Module 402 is obtained, the preview image for being obtained to the acquisition module 401 carries out feature point detection, obtains To image characteristic point.
Determining module 403, for determining and the target for obtaining the described image characteristic point that module 402 obtains and matching Pattern features parameter.
Display module 404, for obtaining described image characteristic point and the determining module that module 402 obtains based on described The 403 target pattern characteristic parameters determined, display, which is taken pictures, adjusts prompt message；Wherein, the adjustment prompt message of taking pictures For prompting user to adjust the position of reference object in the preview image.
Wherein it is determined that module 403 includes：Extracting sub-module 4031, the first acquisition submodule 4032, matched sub-block 4033 And second acquisition submodule 4034.
Extracting sub-module 4031, for according to described image characteristic point, extracting the pattern features ginseng in the preview image Number.
First acquisition submodule 4032, for obtaining the composition match parameter of at least one scene composition prestored.
Matched sub-block 4033, for the pattern features parameter of extracting the extracting sub-module 4031 and described the The composition match parameter at least one scene composition that one acquisition submodule 4032 obtains is matched, and is obtained and the structure The target scene composition that figure characteristic parameter matches.
Second acquisition submodule 4034, the target scene composition pair obtained for obtaining the matched sub-block 4033 The target pattern characteristic parameter answered.
Wherein, extracting sub-module 4031 includes：First detection unit 40311 and first acquisition unit 40312.
First detection unit 40311, for according to described image characteristic point, detecting whether to include in the preview image and inclining Oblique linear characteristics of image.
First acquisition unit 40312, included if being detected for first detection unit 40311 in the preview image Inclined linear characteristics of image, then obtain the linear length in the inclined linear characteristics of image and angle of inclination.
Wherein, matched sub-block 4033 includes：First determining unit 40331.
First determining unit 40331, if for the first acquisition unit 40312 obtain the linear length with it is described The difference of catercorner length in preview image is in the first preset range, and in the angle of inclination and the preview image The difference at cornerwise angle of inclination is in the second preset range, it is determined that the target field with the pattern features match parameters Scape is patterned into diagonal composition.
Wherein, extracting sub-module 4031 includes：Second detection unit 40313 and second acquisition unit 40314.
Second detection unit 40313, for whether according to described image characteristic point, detect to include dividing in the preview image Every the intermediate region of the preview image.
Second acquisition unit 40314, if detecting that the preview image includes for second detection unit 40313 Separate the intermediate region of the preview image, then obtain the development length of the intermediate region and separated by the intermediate region Two regions account for the aspect ratio of the preview image respectively.
Wherein, matched sub-block 4033 includes：Second determining unit 40332.
Second determining unit 40332, if the development length of the intermediate region obtained for the second acquisition unit Difference with the length of the line of symmetry of the preview image in the 3rd preset range, and described two regions account for respectively it is described pre- Look at image aspect ratio difference in the 4th preset range, it is determined that the target field with the pattern features match parameters Scape is patterned into symmetrical expression composition.
Wherein, extracting sub-module 4031 includes：3rd detection unit 40315 and the 3rd acquiring unit 40316.
3rd detection unit 40315, for whether according to described image characteristic point, detecting in the preview image to include extremely Few two shootings main body.
3rd acquiring unit 40316, if detecting that the preview image includes for the 3rd detection unit 40315 At least two shooting main bodys, then obtain distance of at least two shootings main body in the preview image.
Wherein, matched sub-block 4033 includes：3rd determining unit 40333.
3rd determining unit 40333, if at least two shootings master obtained for the 3rd acquiring unit 40316 Distance of the body in the preview image is more than predetermined threshold value, it is determined that the target scene with the pattern features match parameters It is patterned into nine grids composition.
Wherein, display module 404 includes：First determination sub-module 4041, the second determination sub-module the 4042, the 3rd determine son Module 4043 and display sub-module 4044.
First determination sub-module 4041, for according to described image characteristic point, determining reference object in the preview image The first current shooting position.
Second determination sub-module 4042, for according to the target pattern characteristic parameter, determining the mesh of the reference object Mark camera site.
3rd determination sub-module 4043, for the first current shooting position determined according to first determination sub-module The target camera site determined with second determination sub-module is put, determines the position adjustment information of reference object.
Display sub-module 4044, the position adjustment information determined for showing the 3rd determination sub-module.Wherein, The target camera site is the image that the reference object meets the target pattern characteristic parameter in the preview image Camera site.
Wherein, mobile terminal also includes：Detection module 405, information updating module 406 and information cancellation module 407.
Detection module 405, for detecting the second current shooting position of the reference object in the preview image.
Information updating module 406, if for the detection module 405 detect the second current shooting position with it is described Target camera site differs, then according to the second current shooting position and the target camera site, described in real-time update Position adjustment information.
Information cancellation module 407, if for the detection module 405 detect the second current shooting position with it is described Target camera site is identical, then eliminates the display of the position adjustment information.
Wherein, display sub-module 4044 includes：Display unit 40441.
Display unit 40441, in the target shot location display location frame；Or in the mobile terminal In preview interface, the mobile arrow to the target camera site by the first current shooting position is shown.
The mobile terminal, by during shooting preview, obtaining the preview image of camera collection, entering to preview image Row feature point detection, and the target pattern characteristic parameter to match with image characteristic point is determined, based on image characteristic point and target Pattern features parameter, display, which is taken pictures, adjusts prompt message, during the process takes pictures the involvement of composition method, realizes to preview image Feature detection, obtain image characteristic point and corresponding target pattern characteristic parameter, and then instruct user goes how to shoot, realize For different take pictures content and photographed scene, target pattern characteristic parameter corresponding to acquisition, and then realize and user is taken pictures Process makes good auxiliary, is easy to the use of taking pictures of user, and so as to reach the effect of lifting picture aesthetic feeling, saves cumbersome behaviour Make, meet that user shoots demand.
A kind of mobile terminal is also disclosed in the embodiment of the present invention, including：Processor, memory and it is stored in the memory Computer program that is upper and can running on the processor, realizes as above institute during computer program described in the computing device Each process in the reminding method of taking pictures stated, and identical technique effect can be reached, to avoid repeating, repeat no more here.
The embodiment of the present invention also provides a kind of computer-readable recording medium, and meter is stored with computer-readable recording medium Calculation machine program, the computer program realize each process of above-mentioned reminding method embodiment of taking pictures when being executed by processor, and Identical technique effect can be reached, to avoid repeating, repeated no more here.Wherein, described computer-readable recording medium, such as Read-only storage (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc..
The mobile terminal, by during shooting preview, obtaining the preview image of camera collection, entering to preview image Row feature point detection, and the target pattern characteristic parameter to match with image characteristic point is determined, based on image characteristic point and target Pattern features parameter, display, which is taken pictures, adjusts prompt message, during the process takes pictures the involvement of composition method, realizes to preview image Feature detection, obtain image characteristic point and corresponding target pattern characteristic parameter, and then instruct user goes how to shoot, realize For different take pictures content and photographed scene, target pattern characteristic parameter corresponding to acquisition, and then realize and user is taken pictures Process makes good auxiliary, is easy to the use of taking pictures of user, and so as to reach the effect of lifting picture aesthetic feeling, saves cumbersome behaviour Make, meet that user shoots demand.
Further, as shown in figure 16, a kind of mobile terminal is also disclosed in the embodiment of the present invention, and the mobile terminal 600 includes： At least one processor 601, memory 602, at least one network interface 604, camera 606 and user interface 603.It is mobile whole Each component in end 600 is coupled by bus system 605.It is understood that bus system 605 is used to realize these components Between connection communication.Bus system 605 is in addition to including data/address bus, in addition to power bus, controlling bus and state letter Number bus.But for the sake of clear explanation, various buses are all designated as bus system 605 in figure 16.
Wherein, user interface 603 can include display, keyboard or pointing device, for example, mouse, trace ball (trackball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 602 in the embodiment of the present invention can be volatile memory or nonvolatile memory, Or it may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read- Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable Device (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM, EEPROM) or Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside high Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links Dynamic random access memory (Synch Link DRAM, SLDRAM) and direct rambus random access memory (Direct Rambus RAM, DRRAM).The embodiment of the present invention description system and method memory 602 be intended to including but not limited to these With the memory of any other suitable type.
In some embodiments, memory 602 stores following element, can perform module or data structure, or Their subset of person, or their superset：Operating system 6021 and application program 6022.
Wherein, operating system 6021, comprising various system programs, such as ccf layer, core library layer, driving layer etc., it is used for Realize various basic businesses and the hardware based task of processing.Application program 6022, include various application programs, such as media Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention The program of method may be embodied in application program 6022.
In embodiments of the present invention, mobile terminal 600 also includes：It is stored on memory 602 and can be on processor 601 The computer program of operation, can be the computer program in application program 6022 specifically, the processor 601 is used for： During shooting preview, the preview image of camera collection is obtained；Feature point detection is carried out to the preview image, obtains image Characteristic point；It is determined that the target pattern characteristic parameter to match with described image characteristic point；Based on described image characteristic point and described Target pattern characteristic parameter, display, which is taken pictures, adjusts prompt message；Wherein, the adjustment prompt message of taking pictures is used to prompt user to adjust The position of reference object in the whole preview image.
The method that the embodiments of the present invention disclose can apply in processor 601, or be realized by processor 601. Processor 601 is probably a kind of IC chip, has the disposal ability of signal.In implementation process, the above method it is each Step can be completed by the integrated logic circuit of the hardware in processor 601 or the instruction of software form.Above-mentioned processing Device 601 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field Programmable Gate Array, FPGA) either other PLDs, discrete gate or transistor logic device Part, discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention. General processor can be microprocessor or the processor can also be any conventional processor etc..Implement with reference to the present invention The step of method disclosed in example, can be embodied directly in hardware decoding processor and perform completion, or with decoding processor Hardware and software module combination perform completion.Software module can be located at random access memory, flash memory, read-only storage, may be programmed In the ripe storage medium in this area such as read-only storage or electrically erasable programmable memory, register.The storage medium Positioned at memory 602, processor 601 reads the information in memory 602, with reference to the step of its hardware completion above method.
It is understood that the embodiment of the present invention description these embodiments can use hardware, software, firmware, middleware, Microcode or its combination are realized.Realized for hardware, processing unit can be realized in one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic Device, PLD), it is field programmable gate array (Field-Programmable Gate Array, FPGA), general Processor, controller, microcontroller, microprocessor, other electronic units for performing herein described function or its combination In.
For software realize, can by perform the module (such as process, function etc.) of function described in the embodiment of the present invention come Realize the technology described in the embodiment of the present invention.Software code is storable in memory and passes through computing device.Memory can To realize within a processor or outside processor.
Alternatively, the processor 601 is used for：According to described image characteristic point, the composition in the preview image is extracted Characteristic parameter；Obtain the composition match parameter of at least one scene composition prestored；By the pattern features parameter and institute The composition match parameter for stating at least one scene composition is matched, and obtains the target field with the pattern features match parameters Scape composition；Obtain target pattern characteristic parameter corresponding to the target scene composition.
Alternatively, the processor 601 is used for：According to described image characteristic point, detect in the preview image and whether wrap Containing inclined linear characteristics of image；If detecting and inclined linear characteristics of image being included in the preview image, described in acquisition Linear length and angle of inclination in inclined linear characteristics of image.
Alternatively, the processor 601 is used for：If the linear length and the catercorner length in the preview image Difference is in the first preset range, and the difference at the angle of inclination and cornerwise angle of inclination in the preview image exists In second preset range, it is determined that be patterned into diagonal composition with the target scene of the pattern features match parameters.
Alternatively, the processor 601 is used for：According to described image characteristic point, detect in the preview image and whether wrap Include the intermediate region for separating the preview image；If detecting, the preview image includes separating the centre of the preview image Region, then two regions for obtaining the development length of the intermediate region and being separated by the intermediate region account for the preview respectively The aspect ratio of image.
Alternatively, the processor 601 is used for：If the development length of the intermediate region is symmetrical with the preview image The difference of the length of line is in the 3rd preset range, and described two regions account for the difference of the aspect ratio of the preview image respectively Value is in the 4th preset range, it is determined that is patterned into symmetrical expression composition with the target scene of the pattern features match parameters.
Alternatively, the processor 601 is used for：According to described image characteristic point, detect in the preview image and whether wrap Include at least two shooting main bodys；If detect the preview image include at least two shooting main bodys, obtain described at least Distance of two shooting main bodys in the preview image.
Alternatively, the processor 601 is used for：If distance of at least two shootings main body in the preview image More than predetermined threshold value, it is determined that be patterned into nine grids composition with the target scene of the pattern features match parameters.
Alternatively, the processor 601 is used for：According to described image characteristic point, shooting pair in the preview image is determined The first current shooting position of elephant；According to the target pattern characteristic parameter, the target camera site of the reference object is determined； According to the first current shooting position and the target camera site, the position adjustment information of reference object is determined；Display institute Rheme puts adjustment information；Wherein, the target camera site is that the reference object meets the mesh in the preview image Mark the image-capturing positions of pattern features parameter.
Alternatively, the processor 601 is used for：Detect the second current shooting position of the reference object in the preview image Put；If detecting, the second current shooting position differs with the target camera site, according to the described second current bat Act as regent and put with the target camera site, position adjustment information described in real-time update；If detect the second current shooting position Put identical with the target camera site, then eliminate the display of the position adjustment information.
Alternatively, the processor 601 is used for：In the target shot location display location frame；Or in the shifting In the preview interface of dynamic terminal, the mobile indicator to the target camera site by the first current shooting position is shown Head.The mobile terminal can realize each process that terminal is realized in previous embodiment, to avoid repeating, repeat no more here.
The mobile terminal, by during shooting preview, obtaining the preview image of camera collection, entering to preview image Row feature point detection, and the target pattern characteristic parameter to match with image characteristic point is determined, based on image characteristic point and target Pattern features parameter, display, which is taken pictures, adjusts prompt message, during the process takes pictures the involvement of composition method, realizes to preview image Feature detection, obtain image characteristic point and corresponding target pattern characteristic parameter, and then instruct user goes how to shoot, realize For different take pictures content and photographed scene, target pattern characteristic parameter corresponding to acquisition, and then realize and user is taken pictures Process makes good auxiliary, is easy to the use of taking pictures of user, and so as to reach the effect of lifting picture aesthetic feeling, saves cumbersome behaviour Make, meet that user shoots demand.
Further, as shown in figure 17, a kind of mobile terminal is also disclosed in the embodiment of the present invention, and the mobile terminal 700 can be with For mobile phone, tablet personal computer, personal digital assistant (Personal Digital Assistant, PDA) or vehicle-mounted computer etc..
Mobile terminal 700 in Figure 17 includes radio frequency (Radio Frequency, RF) circuit 710, memory 720, defeated Enter unit 730, display unit 740, camera 750, processor 760, voicefrequency circuit 770, WiFi (Wireless Fidelity) module 780 and power supply 790.
Wherein, input block 730 can be used for the numeral or character information for receiving user's input, and generation and mobile terminal The signal input that 700 user is set and function control is relevant.Specifically, in the embodiment of the present invention, the input block 730 can With including contact panel 731.Contact panel 731, also referred to as touch-screen, collect touch operation of the user on or near it (for example user uses the operations of any suitable object or annex on contact panel 731 such as finger, stylus), and according to advance The formula of setting drives corresponding attachment means.Optionally, contact panel 731 may include touch detecting apparatus and touch controller Two parts.Wherein, the touch orientation of touch detecting apparatus detection user, and the signal that touch operation is brought is detected, by signal Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, Give the processor 760 again, and the order sent of reception processing device 760 and can be performed.Furthermore, it is possible to using resistance-type, The polytypes such as condenser type, infrared ray and surface acoustic wave realize contact panel 731.Except contact panel 731, input block 730 can also include other input equipments 732, and other input equipments 732 can include but is not limited to physical keyboard, function key One or more in (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Wherein, display unit 740 can be used for display by the information of user's input or be supplied to information and the movement of user The various menu interfaces of terminal 700.Display unit 740 may include display panel 741, optionally, can use LCD or organic hairs The forms such as optical diode (Organic Light-Emitting Diode, OLED) configure display panel 741.
It should be noted that contact panel 731 can cover display panel 741, touch display screen is formed, when the touch display screen is examined After measuring the touch operation on or near it, processor 760 is sent to determine the type of touch event, is followed by subsequent processing device 760 provide corresponding visual output according to the type of touch event in touch display screen.
Touch display screen includes Application Program Interface viewing area and conventional control viewing area.The Application Program Interface viewing area And arrangement mode of the conventional control viewing area does not limit, can be arranged above and below, left-right situs etc. can distinguish two it is aobvious Show the arrangement mode in area.The Application Program Interface viewing area is displayed for the interface of application program.Each interface can be with The interface element such as the icon comprising at least one application program and/or widget desktop controls.The Application Program Interface viewing area It can also be the empty interface not comprising any content.The conventional control viewing area is used to show the higher control of utilization rate, for example, Application icons such as settings button, interface numbering, scroll bar, phone directory icon etc..
Wherein processor 760 is the control centre of mobile terminal 700, utilizes various interfaces and connection whole mobile phone Various pieces, by running or performing the software program and/or module that are stored in first memory 721, and call storage Data in second memory 722, the various functions and processing data of mobile terminal 700 are performed, so as to mobile terminal 700 Carry out integral monitoring.Optionally, processor 760 may include one or more processing units.
In embodiments of the present invention, by call store the first memory 721 in software program and/or module and/ Or the data in the second memory 722, in embodiments of the present invention, mobile terminal 700 also includes：It is stored in memory 720 Computer program that is upper and being run on processor 760, the processor 760 are used for：During shooting preview, acquisition is taken the photograph The preview image gathered as head；Feature point detection is carried out to the preview image, obtains image characteristic point；It is determined that and described image The target pattern characteristic parameter that characteristic point matches；Based on described image characteristic point and the target pattern characteristic parameter, display Take pictures and adjust prompt message；Wherein, the adjustment prompt message of taking pictures is used to prompt to shoot in user's adjustment preview image The position of object.
Alternatively, it is used for as another embodiment, the processor 760：It is described pre- according to described image characteristic point, extraction The pattern features parameter look in image；Obtain the composition match parameter of at least one scene composition prestored；By the structure Figure characteristic parameter is matched with the composition match parameter of at least one scene composition, is obtained and the pattern features parameter The target scene composition to match；Obtain target pattern characteristic parameter corresponding to the target scene composition.
Alternatively, it is used for as another embodiment, the processor 760：It is described pre- according to described image characteristic point, detection Look in image and whether include inclined linear characteristics of image；If detect special comprising inclined Line Chart picture in the preview image Sign, then obtain the linear length in the inclined linear characteristics of image and angle of inclination.
Alternatively, it is used for as another embodiment, the processor 760：If the linear length and the preview image In catercorner length difference in the first preset range, and the angle of inclination with it is cornerwise in the preview image The difference at angle of inclination is in the second preset range, it is determined that is patterned into the target scene of the pattern features match parameters Diagonal composition.
Alternatively, it is used for as another embodiment, the processor 760：It is described pre- according to described image characteristic point, detection Whether look in image includes the intermediate region for separating the preview image；If detecting, the preview image is included described in separation The intermediate region of preview image, then two regions for obtaining the development length of the intermediate region and being separated by the intermediate region The aspect ratio of the preview image is accounted for respectively.
Alternatively, it is used for as another embodiment, the processor 760：If development length and the institute of the intermediate region The difference of the length of the line of symmetry of preview image is stated in the 3rd preset range, and described two regions account for the preview graph respectively The difference of the aspect ratio of picture is in the 4th preset range, it is determined that the target scene structure with the pattern features match parameters Figure is symmetrical expression composition.
Alternatively, it is used for as another embodiment, the processor 760：It is described pre- according to described image characteristic point, detection Whether look in image includes at least two shooting main bodys；If detecting, the preview image includes at least two shooting main bodys, Then obtain distance of at least two shootings main body in the preview image.
Alternatively, it is used for as another embodiment, the processor 760：If at least two shootings main body is described Distance in preview image is more than predetermined threshold value, it is determined that is patterned into nine with the target scene of the pattern features match parameters Palace lattice figure.
Alternatively, it is used for as another embodiment, the processor 760：According to described image characteristic point, determine described pre- Look at the first current shooting position of reference object in image；According to the target pattern characteristic parameter, the reference object is determined Target camera site；According to the first current shooting position and the target camera site, the position of reference object is determined Adjustment information；Show the position adjustment information；Wherein, the target camera site is the reference object in the preview graph Meet the image-capturing positions of the target pattern characteristic parameter as in.
Alternatively, it is used for as another embodiment, the processor 760：Detect the reference object in the preview image The second current shooting position；If detecting, the second current shooting position differs with the target camera site, root According to the second current shooting position and the target camera site, position adjustment information described in real-time update；If detect institute State that the second current shooting position is identical with the target camera site, then eliminate the display of the position adjustment information.
Alternatively, it is used for as another embodiment, the processor 760：In the target shot location display location Frame；Or in the preview interface of the mobile terminal, show and position is shot by the first current shooting position to the target The mobile arrow put.
The mobile terminal can realize each process that terminal is realized in previous embodiment, to avoid repeating, here no longer Repeat.
The mobile terminal, by during shooting preview, obtaining the preview image of camera collection, entering to preview image Row feature point detection, and the target pattern characteristic parameter to match with image characteristic point is determined, based on image characteristic point and target Pattern features parameter, display, which is taken pictures, adjusts prompt message, during the process takes pictures the involvement of composition method, realizes to preview image Feature detection, obtain image characteristic point and corresponding target pattern characteristic parameter, and then instruct user goes how to shoot, realize For different take pictures content and photographed scene, target pattern characteristic parameter corresponding to acquisition, and then realize and user is taken pictures Process makes good auxiliary, is easy to the use of taking pictures of user, and so as to reach the effect of lifting picture aesthetic feeling, saves cumbersome behaviour Make, meet that user shoots demand.
Those of ordinary skill in the art it is to be appreciated that with reference to disclosed in the embodiment of the present invention embodiment description it is each The unit and algorithm steps of example, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty Technical staff can realize described function using distinct methods to each specific application, but this realization should not Think beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, others can be passed through Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit Connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs 's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention. And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes Medium.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base This creative concept, then other change and modification can be made to these embodiments.So appended claims are intended to be construed to Including preferred embodiment and fall into having altered and changing for range of embodiment of the invention.
Finally, it is to be noted that, in embodiments of the present invention, such as first and second or the like relational terms are only Only it is used for making a distinction an entity or operation with another entity or operation, and not necessarily requires or imply these realities Any this actual relation or order be present between body or operation.Moreover, term " comprising ", "comprising" or its it is any its His variant is intended to including for nonexcludability, so that process, method, article or terminal including a series of elements are set It is standby not only to include those key elements, but also the other element including being not expressly set out, or also include for this process, side Method, article or the intrinsic key element of terminal device.In the absence of more restrictions, limited by sentence "including a ..." Fixed key element, it is not excluded that in addition identical in the process including the key element, method, article or terminal device also be present Key element.
Above-described is the preferred embodiment of the present invention, it should be pointed out that is come for the ordinary person of the art Say, some improvements and modifications can also be made under the premise of principle of the present invention is not departed from, and these improvements and modifications also exist In protection scope of the present invention.

Claims (24)

  1. The reminding method 1. one kind is taken pictures, applied to mobile terminal, it is characterised in that the reminding method of taking pictures includes：
    During shooting preview, the preview image of camera collection is obtained；
    Feature point detection is carried out to the preview image, obtains image characteristic point；
    It is determined that the target pattern characteristic parameter to match with described image characteristic point；
    Based on described image characteristic point and the target pattern characteristic parameter, display, which is taken pictures, adjusts prompt message；
    Wherein, the position that adjustment prompt message is used to prompt user to adjust reference object in the preview image of taking pictures.
  2. 2. reminding method according to claim 1 of taking pictures, it is characterised in that the determination and described image characteristic point phase The step of target pattern characteristic parameter matched somebody with somebody, including：
    According to described image characteristic point, the pattern features parameter in the preview image is extracted；
    Obtain the composition match parameter of at least one scene composition prestored；
    The pattern features parameter is matched with the composition match parameter of at least one scene composition, obtain with it is described The target scene composition of pattern features match parameters；
    Obtain target pattern characteristic parameter corresponding to the target scene composition.
  3. 3. reminding method according to claim 2 of taking pictures, it is characterised in that described according to described image characteristic point, extraction The step of pattern features parameter in the preview image, including：
    According to described image characteristic point, detect in the preview image whether include inclined linear characteristics of image；
    Inclined linear characteristics of image is included in the preview image if detecting, obtains the inclined linear characteristics of image In linear length and angle of inclination.
  4. 4. reminding method according to claim 3 of taking pictures, it is characterised in that it is described by the pattern features parameter with it is described The composition match parameter of at least one scene composition is matched, and obtains the target scene with the pattern features match parameters The step of composition, including：
    If the difference of the catercorner length in the linear length and the preview image described is inclined in the first preset range The difference at cornerwise angle of inclination in rake angle and the preview image is in the second preset range, it is determined that with the structure The target scene that figure characteristic parameter matches is patterned into diagonal composition.
  5. 5. reminding method according to claim 2 of taking pictures, it is characterised in that described according to described image characteristic point, extraction The step of pattern features parameter in the preview image, including：
    Whether according to described image characteristic point, detecting includes the intermediate region for separating the preview image in the preview image；
    If detecting, the preview image includes separating the intermediate region of the preview image, obtains the intermediate region Development length and two regions separated by the intermediate region account for the aspect ratio of the preview image respectively.
  6. 6. reminding method according to claim 5 of taking pictures, it is characterised in that it is described by the pattern features parameter with it is described The composition match parameter of at least one scene composition is matched, and obtains the target scene with the pattern features match parameters The step of composition, including：
    If the difference of the length of the line of symmetry of the development length of the intermediate region and the preview image is in the 3rd preset range It is interior, and described two regions account for the difference of the aspect ratio of the preview image in the 4th preset range respectively, it is determined that with The target scene of the pattern features match parameters is patterned into symmetrical expression composition.
  7. 7. reminding method according to claim 2 of taking pictures, it is characterised in that described according to described image characteristic point, extraction The step of pattern features parameter in the preview image, including：
    Whether according to described image characteristic point, detecting includes at least two shooting main bodys in the preview image；
    If detecting, the preview image includes at least two shooting main bodys, obtains at least two shootings main body in institute State the distance in preview image.
  8. 8. reminding method according to claim 7 of taking pictures, it is characterised in that it is described by the pattern features parameter with it is described The composition match parameter of at least one scene composition is matched, and obtains the target scene with the pattern features match parameters The step of composition, including：
    If distance of at least two shootings main body in the preview image is more than predetermined threshold value, it is determined that with the composition The target scene that characteristic parameter matches is patterned into nine grids composition.
  9. 9. reminding method according to claim 1 of taking pictures, it is characterised in that described based on described image characteristic point and described Target pattern characteristic parameter, the step of taking pictures adjustment prompt message is shown, including：
    According to described image characteristic point, the first current shooting position of reference object in the preview image is determined；
    According to the target pattern characteristic parameter, the target camera site of the reference object is determined；
    According to the first current shooting position and the target camera site, the position adjustment information of reference object is determined；
    Show the position adjustment information；
    Wherein, the target camera site is that the reference object meets the target pattern feature ginseng in the preview image Several image-capturing positions.
  10. 10. reminding method according to claim 9 of taking pictures, it is characterised in that described to be based on described image characteristic point and institute Target pattern characteristic parameter is stated, display is taken pictures after the step of adjusting prompt message, in addition to：
    Detect the second current shooting position of the reference object in the preview image；
    If detecting, the second current shooting position differs with the target camera site, according to the described second current bat Act as regent and put with the target camera site, position adjustment information described in real-time update；
    If detecting, the second current shooting position is identical with the target camera site, eliminates the position adjustment information Display.
  11. 11. reminding method according to claim 9 of taking pictures, it is characterised in that the display position adjustment information Step, including：
    In the target shot location display location frame；Or
    In the preview interface of the mobile terminal, show by the first current shooting position to the target camera site Mobile arrow.
  12. A kind of 12. mobile terminal, it is characterised in that including：
    Acquisition module, for during shooting preview, obtaining the preview image of camera collection；
    Module is obtained, the preview image for being obtained to the acquisition module carries out feature point detection, obtains characteristics of image Point；
    Determining module, for determining to obtain the target pattern feature that the described image characteristic point that module obtains matches with described and join Number；
    Display module, for obtaining described image characteristic point that module obtains and described in the determining module determines based on described Target pattern characteristic parameter, display, which is taken pictures, adjusts prompt message；
    Wherein, the position that adjustment prompt message is used to prompt user to adjust reference object in the preview image of taking pictures.
  13. 13. mobile terminal according to claim 12, it is characterised in that the determining module includes：
    Extracting sub-module, for according to described image characteristic point, extracting the pattern features parameter in the preview image；
    First acquisition submodule, for obtaining the composition match parameter of at least one scene composition prestored；
    Matched sub-block, for the pattern features parameter and first acquisition submodule for extracting the extracting sub-module The composition match parameter of at least one scene composition obtained is matched, and is obtained and the pattern features match parameters Target scene composition；
    Second acquisition submodule, target pattern corresponding to the target scene composition obtained for obtaining the matched sub-block Characteristic parameter.
  14. 14. mobile terminal according to claim 13, it is characterised in that the extracting sub-module includes：
    First detection unit, for according to described image characteristic point, whether detecting in the preview image comprising inclined linear Characteristics of image；
    First acquisition unit, inclined Line Chart picture is included in the preview image if being detected for first detection unit Feature, then obtain the linear length in the inclined linear characteristics of image and angle of inclination.
  15. 15. mobile terminal according to claim 14, it is characterised in that the matched sub-block includes：
    First determining unit, if for the linear length that the first acquisition unit obtains and pair in the preview image The difference of diagonal length is in the first preset range, and the angle of inclination and cornerwise inclination angle in the preview image The difference of degree is in the second preset range, it is determined that is patterned into diagonal with the target scene of the pattern features match parameters Composition.
  16. 16. mobile terminal according to claim 13, it is characterised in that the extracting sub-module includes：
    Second detection unit, for according to described image characteristic point, detecting whether described pre- including separating in the preview image Look at the intermediate region of image；
    Second acquisition unit, if detecting that the preview image includes separating the preview graph for second detection unit The intermediate region of picture, then two regions for obtaining the development length of the intermediate region and being separated by the intermediate region account for respectively The aspect ratio of the preview image.
  17. 17. mobile terminal according to claim 16, it is characterised in that the matched sub-block includes：
    Second determining unit, if the development length of the intermediate region obtained for the second acquisition unit and the preview The difference of the length of the line of symmetry of image is in the 3rd preset range, and described two regions account for the picture of the preview image respectively The difference of face ratio is in the 4th preset range, it is determined that is patterned into pair with the target scene of the pattern features match parameters Title formula composition.
  18. 18. mobile terminal according to claim 13, it is characterised in that the extracting sub-module includes：
    3rd detection unit, for according to described image characteristic point, whether detect includes at least two in the preview image to clap Take the photograph main body；
    3rd acquiring unit, if detecting that the preview image includes at least two shooting masters for the 3rd detection unit Body, then obtain distance of at least two shootings main body in the preview image.
  19. 19. mobile terminal according to claim 18, it is characterised in that the matched sub-block includes：
    3rd determining unit, if shooting main body in the preview graph for the 3rd acquiring unit obtains described at least two Distance as in is more than predetermined threshold value, it is determined that is patterned into nine grids structure with the target scene of the pattern features match parameters Figure.
  20. 20. mobile terminal according to claim 12, it is characterised in that the display module includes：
    First determination sub-module, for according to described image characteristic point, determining that first of reference object in the preview image is worked as Preceding camera site；
    Second determination sub-module, for according to the target pattern characteristic parameter, determining that the target of the reference object shoots position Put；
    3rd determination sub-module, for the first current shooting position for being determined according to first determination sub-module and described The target camera site that second determination sub-module determines, determine the position adjustment information of reference object；
    Display sub-module, the position adjustment information determined for showing the 3rd determination sub-module；
    Wherein, the target camera site is that the reference object meets the target pattern feature ginseng in the preview image Several image-capturing positions.
  21. 21. mobile terminal according to claim 20, it is characterised in that the mobile terminal also includes：
    Detection module, for detecting the second current shooting position of the reference object in the preview image；
    Information updating module, if detecting the second current shooting position and target shooting position for the detection module Put and differ, then according to the second current shooting position and the target camera site, position adjustment described in real-time update is believed Breath；
    Information cancellation module, if detecting the second current shooting position and target shooting position for the detection module Put identical, then eliminate the display of the position adjustment information.
  22. 22. mobile terminal according to claim 20, it is characterised in that the display sub-module includes：
    Display unit, in the target shot location display location frame；Or the preview interface in the mobile terminal In, show the mobile arrow to the target camera site by the first current shooting position.
  23. 23. a kind of mobile terminal, it is characterised in that including processor, memory and be stored on the memory and can be in institute State the computer program run on processor, the computer program realized during the computing device as claim 1 to Any one of 11 take pictures reminding method the step of.
  24. 24. a kind of computer-readable recording medium, it is characterised in that computer journey is stored on the computer-readable recording medium Sequence, the reminding method of taking pictures as any one of claim 1 to 11 is realized when the computer program is executed by processor The step of.
CN201710803171.1A 2017-09-08 2017-09-08 One kind is taken pictures reminding method and mobile terminal Pending CN107509032A (en)

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CN110620877A (en) * 2019-10-12 2019-12-27 Oppo广东移动通信有限公司 Position information generation method, device, terminal and computer readable storage medium
CN110868542A (en) * 2019-11-22 2020-03-06 深圳传音控股股份有限公司 Photographing method, device and equipment
CN111163257A (en) * 2018-11-07 2020-05-15 珠海格力电器股份有限公司 Shooting terminal parameter intelligent adjustment system and method and shooting terminal
CN111343382A (en) * 2020-03-09 2020-06-26 Oppo广东移动通信有限公司 Photographing method and device, electronic equipment and storage medium
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CN111801932A (en) * 2018-08-31 2020-10-20 华为技术有限公司 Image shooting method and device
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