CN110536087A - Electronic equipment and its motion profile picture synthesis method, device and embedded equipment - Google Patents
Electronic equipment and its motion profile picture synthesis method, device and embedded equipment Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/207—Analysis of motion for motion estimation over a hierarchy of resolutions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- 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
- G06T2207/10016—Video; Image sequence
-
- 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
- G06T2207/20—Special algorithmic details
- G06T2207/20212—Image combination
- G06T2207/20221—Image fusion; Image merging
Abstract
The present invention relates to a kind of electronic equipment and its motion profile picture synthesis methods, device and embedded equipment, include: to concentrate screening to obtain reference frame image from collected source image frame during video image acquisition, source images be image acquisition device to and coding form the image before video file；Screening is concentrated to obtain several frame key frame images from collected source image frame during video image acquisition, each key frame images in several frame key frame images include at least moving target image；Moving target Image compounding to the reference frame image of each key frame images is obtained into the motion profile photo of moving target.The waiting time for reducing synthesis eliminates the special time to carry out screening synthesis, then, improves the whole combined coefficient of motion profile picture.
Description
Technical field
The present invention relates to technical field of video image processing, and in particular to a kind of electronic equipment and its motion profile photo close
At method, apparatus and embedded equipment.
Background technique
With advances in technology and improvement of living standard, people are also higher and higher to the pursuit of amusement, in social networks
The upper entertaining photo for sharing oneself has been increasingly becoming daily.Therefore, people are also higher and higher for the demand taken pictures, various spies
Effect photo emerges one after another, and motion profile photo is exactly the one kind wherein extremely dazzled very much, gives people a kind of visual effect of novelty.Move rail
Mark photo refers specifically to shoot a bit of video, and the moving target in video pictures is synthesized on a picture, forms a master
Track when body target moves.The practical manner of motion profile synthesis is exactly to shoot one section of view using the camera of fixed position
Frequently, a degree of movement occurs in picture for subject goal in shooting process, in the video that shooting is completed, chooses key frame
Image simultaneously extracts moving target, then synthesizes automatically to moving target, generates a great sporty motion profile and shines
Piece.
In the prior art, plurality of pictures is usually obtained by the way of continuously taking pictures by default constant duration, then
Plurality of pictures is synthesized into a picture by related algorithm；Alternatively, the video that one section of shooting is completed is obtained, to the video after shooting
It is decoded, and therefrom chooses several frame images as key frame to synthesize a picture.In the prior art, no matter using company
The mode that the continuous mode taken pictures still shoots video carrys out resultant motion track picture, is required to obtaining complete picture to be spliced
Or after video can resultant motion track picture, this process needs individually to occupy video or picture shooting duration, then, then lead to
Cross occupy the special time come to shooting video or picture carry out screening synthesis, therefore, in the prior art, in resultant motion rail
It is relatively time consuming there are longer waiting time before mark picture.
Therefore, the waiting time for how reducing the synthesis of motion profile picture becomes technical problem urgently to be resolved.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, provide a kind of electronic equipment and
Its motion profile picture synthesis method, device and embedded equipment overcome motion profile picture combined coefficient in the prior art
Defect.
For this purpose, according in a first aspect, the embodiment of the invention discloses a kind of motion profile picture synthesis methods, comprising:
Screening is concentrated to obtain reference frame image from collected source image frame during video image acquisition, source images are
Image acquisition device to and coding form the image before video file；From collecting during video image acquisition
Source image frame concentrate screening obtain several frame key frame images, each key frame images in several frame key frame images are at least wrapped
Image containing moving target；Moving target Image compounding to the reference frame image of each key frame images is obtained into the movement of moving target
Track photo.
According to second aspect, the embodiment of the invention discloses a kind of motion profile picture synthesis methods, comprising:
Obtain the trigger event of starting biosynthesis locus photo；In response to trigger event to the moving target in camera fields of view into
The operation of row video recording；Synthetic operation is carried out to several images shot with video-corder during video recording, obtains moving target
Motion profile photo；Several images are to encode the image formed before video file, and each frame image includes at least movement mesh
Mark image.
According to the third aspect, the embodiment of the invention discloses a kind of motion profile photo synthesizers, comprising:
Reference frame screening module, for concentrating screening to obtain from collected source image frame during video image acquisition
Reference frame image, source images be image acquisition device to and coding form the image before video file；Key frame sieve
Modeling block, for concentrating screening to obtain several frame key frame figures from collected source image frame during video image acquisition
Picture, each key frame images in several frame key frame images include at least moving target image；Synthesis module is moved, being used for will be each
Moving target Image compounding to the reference frame image of key frame images obtains the motion profile photo of moving target.
According to fourth aspect, the present invention provides a kind of embedded equipment, including processor, processor is for executing storage
The method that the computer program stored in device realizes above-mentioned first or second aspect any one.
According to the 5th aspect, the embodiment of the invention provides a kind of electronic equipment, comprising:
Video image acquisition device, for acquiring external video image data；Controller, for realizing the above-mentioned first or second
The method of aspect any one.
According to the 6th aspect, the embodiment of the invention provides a kind of computer readable storage mediums, are stored thereon with calculating
Machine program, the computer program stored in storage medium is for being performed the side for realizing above-mentioned first or second aspect any one
Method.
According to the 7th aspect, the embodiment of the invention provides a kind of servers, are stored thereon with data resource, data resource
For being configured to execute the method for realizing above-mentioned first or second aspect any one.
According to eighth aspect, the embodiment of the invention provides a kind of data resource service platforms, comprising:
Request module, for obtaining the resource request of user terminal transmission；Resource issues module, for according to resource
It requests to provide the index of data resource or data resource to user terminal, data resource realizes above-mentioned first for being configured to execute
Or the method for second aspect any one.
The beneficial effects of the present invention are:
A kind of electronic equipment disclosed by the embodiments of the present invention and its motion profile picture synthesis method, device, in video figure
As concentrating screening to obtain reference frame image and several frame key frame images from collected source image frame in collection process, wherein
Source images be image acquisition device to and coding form the image before video file, each key frame images include at least
Moving target image；Then, moving target Image compounding to the reference frame image of each key frame images is obtained into moving target
Motion profile photo.It in compared with the existing technology, needs to be decoded the video after shooting, and therefrom chooses several frame images
The mode of a picture is synthesized as key frame, scheme provided in an embodiment of the present invention can be in shooting process to key
Frame carries out the synthesis of moving target to obtain motion profile photo, and the operation that motion profile photo synthesizes is intersected at video image
It acquires in link, the waiting time for reducing synthesis eliminates the special time to carry out screening synthesis, then, improves movement
The whole combined coefficient of track picture.In addition, concentrating screening to obtain reference frame image and key frame from collected source image frame
Image further improves combined coefficient to the process that the image after coding is decoded.
As optional technical solution, the data format of source images is yuv format, eliminates yuv data and is encoded into video
File reads video file decoding again and selects frame and the again process of decoding acquisition key frame, reduces the conjunction of motion profile photo
At duration.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is a kind of motion profile picture synthesis method flow chart disclosed by the embodiments of the present invention；
Fig. 2 is the flow chart that a kind of key frame images disclosed by the embodiments of the present invention are blended into reference frame image；
Fig. 3 is the flow chart that another key frame images disclosed by the embodiments of the present invention are blended into reference frame image；
Fig. 4 is another motion profile picture synthesis method flow chart disclosed by the embodiments of the present invention；
Fig. 5 is another motion profile picture synthesis method flow chart disclosed by the embodiments of the present invention；
Fig. 6 is a kind of motion profile photo synthesizer structural schematic diagram disclosed by the embodiments of the present invention；
Fig. 7 is a kind of data resource service platform structure schematic diagram disclosed by the embodiments of the present invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Referring to FIG. 1, the motion profile shines for a kind of motion profile picture synthesis method flow chart disclosed in the present embodiment
Piece synthetic method includes:
Step S101 concentrates screening to obtain reference frame figure during video image acquisition from collected source image frame
Picture.In the present embodiment, alleged source images be image acquisition device to and coding form the image before video file.One
As for, in field of video image processing, source image data is usually collected by camera, this image is using being based on picture
The source data format (such as yuv format) of vegetarian refreshments raw information storage；Then, the source number that will be stored based on pixel raw information
Coding compression is carried out according to format and forms video file (such as MP4 format), in order to store.In the present embodiment, alleged reference frame
Image is the image for being synthesized moving target image.In a particular embodiment, before can be during video image acquisition
Phase selects a frame video image frame as reference frame image.Specifically, reference frame image can be the higher video of clarity
Image can select frame algorithm and screen to obtain reference frame image during video image acquisition by preset.It needs to illustrate
, in the specific implementation process, it is not intended to limit specific location of the reference frame image in video image time domain.It needs to illustrate
It is that the number of image frames of source image frame collection is not intended to limit in the present embodiment, with the acquisition of camera, the picture frame of source image frame collection
Number can gradually increase.
Step S102 concentrates screening to obtain several frames keys during video image acquisition from collected source image frame
Frame image.In the present embodiment, each key frame images in alleged several frame key frame images include at least moving target image, respectively
Target image in key frame images is used to be blended into the target position specified in reference frame image.In the present embodiment, alleged fortune
Moving-target can be people, animal, be also possible to other bodies in motion.Moving target can move in the same direction, can also
To be moved along different directions；Moving target can be uniform motion, be also possible to non-uniform movement.In a preferred embodiment,
Several frame key frame images lag behind reference frame image in timing.In general, several frame key frames are last in timing
One frame key frame images can be also possible to the last frame of video image before the last frame of video image.This implementation
In example, key frame images can be the higher video image of clarity, can be during video image acquisition by preset
Frame algorithm is selected to screen to obtain key frame images.It should be noted that in the specific implementation process, being not intended to limit these key frames
Specific location of the image in video image time domain.
In a particular embodiment, the quantity of key frame images can rule of thumb be preset, can also by input/it is defeated
Equipment receives quantity set by user out.The particular number of key frame images is not intended to limit in the present embodiment.
In an alternate embodiment of the invention, when executing step S102, screening obtains several frames during video image acquisition
Key frame images include: that screening obtains several frame key frame images in order in timing.That is, the video image obtained by shooting
In in chronological sequence sequence successively screening obtain several frame key frame images.
It should be noted that in other embodiments, reference frame image is also possible in several frame key frame images
One frame, in general, can choose the first frame of these key frame images as reference frame image.
Moving target Image compounding to the reference frame image of each key frame images is obtained the fortune of moving target by step S103
Dynamic rail mark photo.It in a particular embodiment, can be during video image acquisition, successively frame by frame by several frame key frame images
In moving target Image compounding to reference frame image, can also be by preset interval by the movement mesh in several frame key frame images
Image compounding is marked to reference frame image.
It should be noted that as special case, when last frame key frame images are video figure in several frame key frame images
As in last frame image when, the moving target image of last frame key frame images can be after the completion of video image acquisition
It is blended into reference frame image.In the present embodiment, during alleged video image acquisition completion refers to shooting video image, complete most
A later frame video image acquisition, when preparation encodes each video image.
In order to rapidly carry out synthesis processing to the key frame images of selection and reference frame image, in optional embodiment
In, when executing step S101 and step S102, the reference frame image of acquisition and the data format of key frame images can be YUV
Format, it may be assumed that the data format of reference frame image is yuv format, the data lattice of each key frame images in several frame key frame images
Formula is yuv format.In general, acquired image data are yuv format during shooting video image, complete to regard
After frequency Image Acquisition, the video exported is encoded to each frame image after acquisition.In the present embodiment, in shooting video figure
When as process, just screening obtains reference frame image and key frame images from the image data of yuv format, then to yuv format
Reference frame image and key frame images carry out subsequent synthesis processing, can eliminate and coding further decoding is carried out to video image
The process for selecting frame reduces the duration of motion profile photo synthesis, improves the combined coefficient of motion profile photo.
In one embodiment, referring to FIG. 2, being blended into reference frame figure for a kind of key frame images disclosed in the present embodiment
The flow chart of picture obtains moving target Image compounding to the reference frame image of each key frame images when executing step S103
The motion profile photo of moving target includes:
Step S201 determines the mesh in reference frame image according to moving target image to be synthesized in specified key frame images
Cursor position.In a particular embodiment, when shooting video image to moving target, it is however generally that, between different frame video images
Background parts it is relatively-stationary, moving target relative position is changing, and can determine that each frame regards using existing algorithm
Background parts and foreground part in frequency image.In the present embodiment, moving target image is foreground part, therefore, for specified
Key frame images, can determine the foreground part and background parts in specified key frame images, be embodied as a result,
The coordinates regional is mapped to benchmark image by Cheng Zhong, the coordinates regional of the foreground part of available specified key frame images
It can determine the target position for characterizing moving target image position to be synthesized in benchmark image.It should be noted that one
In a little embodiments, because collecting video image using same video collector, the profile of each key frame is big
Small identical with the profile size of reference frame, therefore, the coordinate system of each key frame and the coordinate system of reference frame can be overlapped, that is, be referred to
The corresponding coordinate of the coordinates regional of the foreground part of fixed key frame images can be used directly to benchmark image as target position.
Step S202 extracts the moving target image in specified key frame images.In a particular embodiment, refer in determination
After the background parts and foreground part of fixed key frame, the pixel that can directly extract foreground part obtains specified key frame figure
Moving target image as in.Come in some embodiments, it is also possible to carry out reducing to the background parts of specified key frame
Obtain the foreground part of specified key frame.
It should be noted that in the present embodiment, the execution sequencing that is not intended to limit between step S201 and step S202.
Step S203, by the moving target Image compounding extracted to target position.In the present embodiment, movement is being extracted
After target image, key frame that can be specified with this into reference frame image by the moving target Image compounding of specified key frame
Corresponding target position.It in some embodiments, can be to target position after determining the target position in reference frame image
Pixel carries out binary conversion treatment, then, then by the moving target Image compounding of key frame to the target position.
In the present embodiment, after being operated to each frame key frame images by above-mentioned steps S201, step S202 and step S203,
The moving target Image compounding of each frame key frame to corresponding target position can then be completed several frames are crucial
Moving target Image compounding to the reference frame image of each key frame images obtains the motion profile photo of moving target in frame image.
It in an alternate embodiment of the invention, can also include: to being blended into after target position after executing step S203
Moving target image carries out denoising.Specifically, denoising may include carrying out a degree of corrosion to target image
And/or expansion process, target image noise is filtered out with this and makes the profile of moving target apparent, it is, of course, also possible to target
Image does Gaussian smoothing, and the pixel value of target image is allowed to become more uniform.Certainly, in other alternative embodiments
In, noise can also be filtered out to moving target image using other denoising modes.
In order to reduce because shake bring flating influences during video image acquisition, in optional embodiment
In, it can also include: after being corrected based on benchmark image to key frame images before executing step S103
Key frame images；Moving target Image compounding to the reference frame image of each key frame images is obtained into the motion profile of moving target
Photo includes: that moving target Image compounding to the reference frame image of the key frame images after correction is obtained the movement of moving target
Track photo.
It in an alternate embodiment of the invention, can also include: with visual side referring to FIG. 1, after executing step S103
Formula shows the motion profile photo of moving target.
In another embodiment, referring to FIG. 3, being blended into reference frame for a kind of key frame images disclosed in the present embodiment
The flow chart of image obtains moving target Image compounding to the reference frame image of each key frame images when executing step S103
Motion profile photo to moving target includes:
Step S301 extracts the moving target image in each key frame images.In the present embodiment, each key frame is being determined
Afterwards, the moving target image in each key frame images can be extracted.Specific extracting mode refers to the description of step S202,
Details are not described herein.
Step S302, by each moving target Image compounding into reference frame image each preset target position.This implementation
In example, it may be predetermined that the target position of target image to be synthesized in reference frame image, when needing to synthesize target image,
Directly extract each preset target position.Specifically, preset target position can be generated at random by system, can also basis
The selection of user determines, can also be fixedly installed several preset target positions.It should be noted that according to user's
Selection, can also be by reading coordinate can position target position by the touch-control time when determining preset target position
Mode determine target position.
In the specific implementation process, by each moving target Image compounding into reference frame image each preset target position
It sets:
It can be, it is by the timing of each key frame images that each moving target Image compounding is each default into reference frame image
Target position the target image in determining key frame can be synthesized in order that is, after determining a key frame
In preset target position；
It is also possible to each moving target image being blended into each preset target position in reference frame image by preset rules
It sets.In the present embodiment, alleged preset rules can be the rule such as random function, bilateral symmetry, symmetrical above and below or any regular
Combination, as an example, after determining each moving target image, it can be by the symmetrical mode in preset target position, respectively
Target image is synthesized, for example, i-th of moving target image places the leftmost side of preset target position, i+1 moving target shadow
The rightmost side as placing preset target position；The i-th+2 moving target images place the secondary leftmost side of preset target position.This reality
Apply in example, by preset rules by each moving target Image compounding each preset target position into reference frame image, can be with
The interest of resultant image is provided.
In an alternate embodiment of the invention, it includes: in video figure that screening, which obtains several frame key frame images, in order in timing
Present frame key frame images are obtained as concentrating to screen from collected source image frame in collection process, in the present embodiment, key frame
Image lags behind reference frame image in timing, and key frame images include at least moving target image.When executing step S103,
By the motion profile photo that moving target Image compounding to the reference frame image of each key frame images obtains moving target include: by
Moving target Image compounding to the reference frame image of present frame key frame images obtains the current motion profile photo of moving target.
Specifically, referring to FIG. 4, for another kind motion profile picture synthesis method flow chart disclosed in the present embodiment, the motion profile
Picture synthesis method includes:
Step S401, screening obtains reference frame image during video image acquisition.Specifically, it may refer to above-mentioned reality
A description of step S101 is applied, details are not described herein.
Step S402 concentrates screening to obtain present frame key during video image acquisition from collected source image frame
Frame image.In the present embodiment, alleged key frame images include at least moving target image, the target in current key frame images
Image is used for the designated position being blended into reference frame image.In the present embodiment, alleged moving target can be people, animal,
It can be other bodies in motion.Moving target can move in the same direction, can also move along different directions；Move mesh
Mark can be uniform motion, be also possible to non-uniform movement.In a particular embodiment, present frame key frame images are stagnant in timing
Afterwards in reference frame image.In a particular embodiment, key frame images can be the higher video image of clarity, can be from continuous
Several frame video images in by selecting frame algorithm to screen to obtain present frame key frame images.
It should be noted that in other embodiments, it can also be using first frame key frame images as reference frame image.
Moving target Image compounding to the reference frame image of present frame key frame images is obtained moving target by step S403
Current motion profile photo.In a particular embodiment, after screening obtains present frame key frame images, present frame can be closed
Moving target Image compounding to reference frame image in key frame image obtains the current motion profile photo of moving target.This implementation
In example, the current motion profile photo of alleged moving target is the movement mesh in the key frame images before present frame and present frame
The photo that mark Image compounding to reference frame image obtains.It should be noted that when present frame key frame images are in video image
Last frame image when, then the moving target image of present frame key frame images can synthesize after the completion of video image acquisition
To reference frame image.In the present embodiment, during alleged video image acquisition completion refers to shooting video image, last is completed
Frame video image acquisition, when preparation encodes each video image.
It should be noted that can also be corrected to image, denoising, herein no longer when executing above-mentioned steps
It repeats.
In an alternate embodiment of the invention, after executing step S403, can also include:
Step S404 concentrates screening to obtain the next frame key frame of present frame key frame images from collected source image frame
Image.After the moving target Image compounding for completing present frame key frame images, current frame image can be lagged behind from timing
Video image in screening obtain next frame key frame images, specific screening mode is referred to step S402, no longer superfluous herein
It states；Then, using next frame key frame images as present frame key frame images, and S403 is returned to step, it may be assumed that by present frame
Moving target Image compounding to the reference frame image of key frame images obtains the operation of the current motion profile photo of moving target.
In an alternate embodiment of the invention, referring to FIG. 4, motion profile picture synthesis method disclosed in the present embodiment can also wrap
It includes:
Step S405 obtains the Target key frames for characterizing the key frame images quantity of motion profile photo to be synthesized
Number.In a particular embodiment, the quantity of key frame images can rule of thumb be preset；It can also be set by input/output
It is standby to receive quantity set by user.It, can be by presetting several target critical frame numbers as the example of an application scenarios
Option, such as optional target critical frame number can be m1, m2, m3 ..., wherein m1, m2, m3 ... are more than or equal to 2
Positive integer, determine that the target critical frame number of acquisition is m1, m2 or m3 etc. according to the trigger event of user, need to illustrate
It is that specific optional number of options is not limited in the present embodiment.It, can be according to user as the example of another application scenarios
The numerical value inputted in physical button and/or user trigger the numerical value of input on touch control device to obtain target critical frame number.
It should be noted that being not intended to limit the particular number of key frame images in the present embodiment.
Before executing step S404, can also include:
Step S406, judges whether the frame number for the key frame images for being blended into reference frame image reaches target critical frame number.
In the specific implementation process, the key frame images that synthesis is completed can be counted after one frame key frame images of every synthesis,
Thus, it is possible to judge whether the frame number for the key frame images for being blended into reference frame image reaches target critical frame number.Specific real
It applies in example, step S406 can be executed between step S402 and step S403, can also be executed after step S403.If
It is blended into the frame number miss the mark key frame number of the key frame images of reference frame image, thens follow the steps S404, if synthesis
Frame number to the key frame images of reference frame image has reached target critical frame number, then can stop screening next frame key frame figure
Picture.
In an alternate embodiment of the invention, referring to FIG. 4, can also include: after executing step S403
Step S407 shows the motion profile photo of moving target in a manner of visual.It should be noted that specific
In implementation process, it can also judge that the frame number for the key frame images for being blended into reference frame image reaches executing step S406
After target critical frame number, the motion profile photo of moving target is shown in a manner of visual.In some embodiments, it is closing
The frame number miss the mark key frame number of key frame image, then may not necessarily show the movement rail of moving target in a manner of visual
Mark photo.
It in an alternate embodiment of the invention, can also be after completing key frame screening, then by the moving target shadow of each key frame
The motion profile photo of moving target is obtained as being blended into reference frame image.Specifically:
It obtains during several frame key frame images include: in video image acquisition being screened in order in timing from acquisition
To source image frame concentrate screening obtain several frame key frame images, key frame images lag behind reference frame image in timing,
Key frame images include at least moving target image；
The motion profile that moving target Image compounding to the reference frame image of each key frame images obtains moving target is shone
Piece includes: to close the moving target image of each key frame images after the quantity for the key frame that screening obtains reaches default frame number
At the motion profile photo for obtaining moving target to reference frame image.
The present embodiment also discloses a kind of motion profile picture synthesis method, referring to FIG. 5, for one disclosed in the present embodiment
Kind motion profile picture synthesis method flow chart, the motion profile picture synthesis method include:
Step S501 obtains the trigger event of starting biosynthesis locus photo.In a particular embodiment, touch-control can be passed through
Mode obtains trigger event, can also obtain trigger event by physical button.
Step S502 carries out video recording operation to the moving target in camera fields of view in response to trigger event.
Step S503 carries out synthetic operation to several images shot with video-corder during video recording, obtains movement mesh
Target motion profile photo.In the present embodiment, several images are to encode the image formed before video file, and each frame image is extremely
It less include moving target image.
In order to which the video shot with video-corder and motion profile photo is preferably presented, in an alternate embodiment of the invention, in response to triggering
It includes: to be in a manner of visual in the first display area that event, which carries out video recording operation to the moving target in camera fields of view,
The video data now shot with video-corder；To several figures including at least moving target image shot with video-corder during video recording
It include: that motion profile photo is gradually presented in a manner of visual in the second display area as carrying out synthetic operation.The present embodiment
In, alleged first display area and the second display area can be located at same display screen, can also be by different display screens
To show.It in a particular embodiment, can be with when motion profile photo is gradually presented in a manner of visual in the second display area
One frame of every synthesis just shows the motion profile photo after synthesis.
The present embodiment also discloses a kind of motion profile photo synthesizer, referring to FIG. 6, for one disclosed in the present embodiment
Kind motion profile photo synthesizer structural schematic diagram, which includes: reference frame screening module
601, key frame screening module 602 and movement synthesis module 603, in which:
Reference frame screening module 601 is used to screen during video image acquisition from collected source image frame concentration
To reference frame image, source images be image acquisition device to and coding form the image before video file；Key frame
Screening module 602 is used to concentrate screening to obtain several frame key frames from collected source image frame during video image acquisition
Image, each key frame images in several frame key frame images include at least moving target image；Movement synthesis module 603 is used for
Moving target Image compounding to the reference frame image of each key frame images is obtained into the motion profile photo of moving target.
In addition, the present embodiment also discloses a kind of embedded equipment, including processor, processor is for executing in memory
The computer program of storage realizes following method:
Screening is concentrated to obtain reference frame image from collected source image frame during video image acquisition, source images are
Image acquisition device to and coding form the image before video file；From collecting during video image acquisition
Source image frame concentrate screening obtain several frame key frame images, each key frame images in several frame key frame images are at least wrapped
Image containing moving target；Moving target Image compounding to the reference frame image of each key frame images is obtained into the movement of moving target
Track photo.
In an alternate embodiment of the invention, the data format of source images is YUV, CMYK, BMP or rgb format.
In an alternate embodiment of the invention, moving target Image compounding to the reference frame image of each key frame images is moved
The motion profile photo of target includes: to determine reference frame image according to moving target image to be synthesized in specified key frame images
In target position；Extract the moving target image in specified key frame images；The moving target Image compounding that will be extracted
To target position.
In an alternate embodiment of the invention, moving target Image compounding to the reference frame image of each key frame images is moved
The motion profile photo of target includes: the moving target image extracted in each key frame images；By each moving target Image compounding
Each preset target position into reference frame image.
In an alternate embodiment of the invention, by each moving target Image compounding into reference frame image each preset target position
Include: by the timing of each key frame images by each moving target Image compounding each preset target position into reference frame image
It sets；Alternatively, each moving target image is blended into each preset target position in reference frame image by preset rules.
In an alternate embodiment of the invention, if concentrating screening to obtain from collected source image frame during video image acquisition
Dry frame key frame images include: that screening obtains several frame key frame images in order in timing.
In an alternate embodiment of the invention, it includes: in video figure that screening, which obtains several frame key frame images, in order in timing
As concentrating screening to obtain present frame key frame images from collected source image frame in collection process, key frame images are in timing
Reference frame image is lagged behind, key frame images include at least moving target image；By the moving target image of each key frame images
Being blended into reference frame image and obtaining the motion profile photo of moving target includes: by the moving target shadow of present frame key frame images
The current motion profile photo of moving target is obtained as being blended into reference frame image.
In an alternate embodiment of the invention, it is obtained by moving target Image compounding to the reference frame image of present frame key frame images
After the motion profile photo current to moving target, further includes: concentrate screening to obtain present frame from collected source image frame
The next frame key frame images of key frame images；Using next frame key frame images as present frame key frame images, and execute by
Moving target Image compounding to the reference frame image of present frame key frame images obtains the current motion profile photo of moving target
Operation.
In an alternate embodiment of the invention, further includes: obtain the key frame images number for characterizing motion profile photo to be synthesized
The target critical frame number of amount；It is crucial in the next frame for concentrating screening to obtain present frame key frame images from collected source image frame
Before frame image, further includes: whether the frame number for the key frame images that judgement is blended into reference frame image reaches target critical frame number；
If being blended into the frame number miss the mark key frame number of the key frame images of reference frame image, screening obtains present frame key
The next frame key frame images of frame image.
In an alternate embodiment of the invention, it includes: in video figure that screening, which obtains several frame key frame images, in order in timing
As concentrating screening to obtain several frame key frame images from collected source image frame in collection process, key frame images are in timing
Reference frame image is lagged behind, key frame images include at least moving target image；By the moving target image of each key frame images
Being blended into reference frame image and obtaining the motion profile photo of moving target includes: to reach pre- in the quantity for screening obtained key frame
If after frame number, the motion profile that moving target Image compounding to the reference frame image of each key frame images obtains moving target is shone
Piece.
In addition, the present embodiment also discloses another embedded equipment, including processor, processor is for executing memory
The computer program of middle storage realizes following method:
Obtain the trigger event of starting biosynthesis locus photo；In response to trigger event to the moving target in camera fields of view into
The operation of row video recording；Synthetic operation is carried out to several images shot with video-corder during video recording, obtains moving target
Motion profile photo；Several images are to encode the image formed before video file, and each frame image includes at least movement mesh
Mark image.
In an alternate embodiment of the invention, video recording operation is carried out to the moving target in camera fields of view in response to trigger event
It include: that the video data shot with video-corder is presented in a manner of visual in the first display area；To taking the photograph during video recording
Recording obtained several images including at least moving target image and carrying out synthetic operation includes: in the second display area to visualize
Mode motion profile photo is gradually presented.
It is that can lead to it will be understood by those skilled in the art that realizing all or part of the process in above-described embodiment method
Computer program is crossed to instruct relevant hardware and complete, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (ROM) or random access memory (RAM) etc..Computer processor is situated between for executing storage
The computer program stored in matter realizes following methods:
Screening is concentrated to obtain reference frame image from collected source image frame during video image acquisition, source images are
Image acquisition device to and coding form the image before video file；From collecting during video image acquisition
Source image frame concentrate screening obtain several frame key frame images, each key frame images in several frame key frame images are at least wrapped
Image containing moving target；Moving target Image compounding to the reference frame image of each key frame images is obtained into the movement of moving target
Track photo.
In an alternate embodiment of the invention, the data format of source images is YUV, CMYK, BMP or rgb format.
In an alternate embodiment of the invention, moving target Image compounding to the reference frame image of each key frame images is moved
The motion profile photo of target includes: to determine reference frame image according to moving target image to be synthesized in specified key frame images
In target position；Extract the moving target image in specified key frame images；The moving target Image compounding that will be extracted
To target position.
In an alternate embodiment of the invention, moving target Image compounding to the reference frame image of each key frame images is moved
The motion profile photo of target includes: the moving target image extracted in each key frame images；By each moving target Image compounding
Each preset target position into reference frame image.
In an alternate embodiment of the invention, by each moving target Image compounding into reference frame image each preset target position
Include: by the timing of each key frame images by each moving target Image compounding each preset target position into reference frame image
It sets；Alternatively, each moving target image is blended into each preset target position in reference frame image by preset rules.
In an alternate embodiment of the invention, if concentrating screening to obtain from collected source image frame during video image acquisition
Dry frame key frame images include: that screening obtains several frame key frame images in order in timing.
In an alternate embodiment of the invention, it includes: in video figure that screening, which obtains several frame key frame images, in order in timing
As concentrating screening to obtain present frame key frame images from collected source image frame in collection process, key frame images are in timing
Reference frame image is lagged behind, key frame images include at least moving target image；By the moving target image of each key frame images
Being blended into reference frame image and obtaining the motion profile photo of moving target includes: by the moving target shadow of present frame key frame images
The current motion profile photo of moving target is obtained as being blended into reference frame image.
In an alternate embodiment of the invention, it is obtained by moving target Image compounding to the reference frame image of present frame key frame images
After the motion profile photo current to moving target, further includes: concentrate screening to obtain present frame from collected source image frame
The next frame key frame images of key frame images；Using next frame key frame images as present frame key frame images, and execute by
Moving target Image compounding to the reference frame image of present frame key frame images obtains the current motion profile photo of moving target
Operation.
In an alternate embodiment of the invention, further includes: obtain the key frame images number for characterizing motion profile photo to be synthesized
The target critical frame number of amount；It is crucial in the next frame for concentrating screening to obtain present frame key frame images from collected source image frame
Before frame image, further includes: whether the frame number for the key frame images that judgement is blended into reference frame image reaches target critical frame number；
If being blended into the frame number miss the mark key frame number of the key frame images of reference frame image, screening obtains present frame key
The next frame key frame images of frame image.
In an alternate embodiment of the invention, it includes: in video figure that screening, which obtains several frame key frame images, in order in timing
As concentrating screening to obtain several frame key frame images from collected source image frame in collection process, key frame images are in timing
Reference frame image is lagged behind, key frame images include at least moving target image；By the moving target image of each key frame images
Being blended into reference frame image and obtaining the motion profile photo of moving target includes: to reach pre- in the quantity for screening obtained key frame
If after frame number, the motion profile that moving target Image compounding to the reference frame image of each key frame images obtains moving target is shone
Piece.
The present embodiment also discloses a kind of electronic equipment, which has image-capable and image taking energy
Power, specifically, the electronic equipment include: video image acquisition device, for acquiring external video image data；Controller is used for
Realize motion profile picture synthesis method disclosed in above-mentioned each embodiment.In a particular embodiment, which can be
Any one in mobile terminal (such as mobile phone, tablet computer, game machine etc.), E-book reader, camera and video camera etc.,
It is also possible to the computer with camera function.In a particular embodiment, can have between video image acquisition device and controller
Line connection, also can be wireless.
The present embodiment also discloses a kind of server, and in the present embodiment, alleged server can be dedicated storage service
Device can also also serve as server store function by other computers.In a particular embodiment, data money is stored on server
Source, data resource realize motion profile picture synthesis method disclosed in above-mentioned each embodiment for being configured to execute.
The present embodiment also discloses a kind of data resource service platform, which provides in third party
Data resource.Referring to FIG. 7, for data resource service platform structure schematic diagram disclosed in the present embodiment, the data resource service
Platform includes: that request module 701, resource memory module 702 and resource issue module 703, in which:
Request module 701 is used to obtain the resource request of user terminal transmission.In the present embodiment, alleged user terminal
It can be the mobile terminals such as mobile phone, PDA, plate, be also possible to other equipment for having data-handling capacity, specifically, user
The data resource that terminal can load and operation data resource service platform provides.In the present embodiment, request module 701 can
To obtain the resource request of user terminal transmission by being connected to the network.In a particular embodiment, user terminal and data resource
Data interaction can be carried out by cable network or wireless network between service platform；User terminal and data resource service platform
Between data exchange channels can be designated lane, be also possible to by third party's means of communication carry out data interaction.Having
In body embodiment, selective data resource can be presented in request module 701 to user terminal, can also pass through user's end
Data resource is presented when carrying out keyword search in end.
The index of resource or data resource, data resource are used to be configured to hold resource memory module 702 for storing data
Row realizes motion profile picture synthesis method disclosed in above-mentioned each embodiment.In the present embodiment, alleged data resource or data
The index of resource can store in the cloud (server or third-party server) of platform；The index of alleged data resource refers to
For being directed toward the network linking of data resource download address.It should be noted that in the specific implementation process, resource memory module
702 can be provided by the memory of data resource service platform, can also be realized by third party's memory.
Resource issues module 703 for providing the rope of data resource or data resource to user terminal according to resource request
Draw.It should be noted that resource issues module 703 when providing the index of data resource or data resource, it can be according to user
Terminal operating system (such as Android, iOS, Windows) determines software version, specifically, can pass through request mould
Block 701 come identify user terminal adaptation operating system, can also pass through user selection come determine user terminal adaptation behaviour
Make system.
It should be noted that in some embodiments, when third party's means of communication itself has resource request entrance, user
Terminal by the resource request entrance initiate resource request, and from third party's means of communication to user terminal provide data resource or
When the index of data resource, which should be considered as data resource service platform.
A kind of electronic equipment disclosed in the present embodiment and its motion profile picture synthesis method, device, are adopted in video image
Screening is concentrated to obtain reference frame image and several frame key frame images from collected source image frame during collection, wherein source figure
As be image acquisition device to and coding form the image before video file, each key frame images include at least movement
Target image；Then, moving target Image compounding to the reference frame image of each key frame images is obtained into the movement of moving target
Track photo.It in compared with the existing technology, needs to be decoded the video after shooting, and therefrom chooses several frame image conducts
Key frame synthesizes the mode of a picture, scheme provided in an embodiment of the present invention, can in shooting process to key frame into
The synthesis of row moving target obtains motion profile photo, and the operation that motion profile photo synthesizes intersected at video image acquisition
In link, the waiting time for reducing synthesis eliminates the special time to carry out screening synthesis, then, improves motion profile
The whole combined coefficient of picture.In addition, concentrate screening to obtain reference frame image and key frame images from collected source image frame,
To the process that the image after coding is decoded, combined coefficient is further improved.
It should be understood that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, to ability
It for field technique personnel, can modify to technical solution illustrated in the above embodiments, or special to part of technology
Sign is equivalently replaced；And all such modifications and replacement, it should all belong to the protection domain of appended claims of the present invention.
Claims (19)
1. a kind of motion profile picture synthesis method characterized by comprising
Screening is concentrated to obtain reference frame image from collected source image frame during video image acquisition, the source images are
Image acquisition device to and coding form the image before video file；
Screening is concentrated to obtain several frame key frame images from collected source image frame during video image acquisition, if described
Each key frame images in dry frame key frame images include at least moving target image；
The moving target Image compounding of each key frame images to the reference frame image is obtained into the movement rail of the moving target
Mark photo.
2. motion profile picture synthesis method as described in claim 1, which is characterized in that the data format of the source images is
YUV, CMYK, BMP or rgb format.
3. motion profile picture synthesis method as described in claim 1, which is characterized in that by the movement mesh of each key frame images
Mark Image compounding to the reference frame image obtains the motion profile photo of the moving target and includes:
The target position in reference frame image is determined according to moving target image to be synthesized in specified key frame images；
Extract the moving target image in specified key frame images；
By the moving target Image compounding extracted to the target position.
4. motion profile picture synthesis method as described in claim 1, which is characterized in that by the movement mesh of each key frame images
Mark Image compounding to the reference frame image obtains the motion profile photo of the moving target and includes:
Extract the moving target image in each key frame images；
By each moving target Image compounding into the reference frame image each preset target position.
5. motion profile picture synthesis method as claimed in claim 4, which is characterized in that described to close each moving target image
Include: to each preset target position in the reference frame image
By the timing of each key frame images by each moving target Image compounding each preset target into the reference frame image
Position；Alternatively,
Each moving target image is blended into each preset target position in the reference frame image by preset rules.
6. motion profile picture synthesis method as claimed in any one of claims 1-3, which is characterized in that described in video figure
As in collection process from collected source image frame concentrate screening obtain several frame key frame images include: in timing in order
Screening obtains several frame key frame images.
7. motion profile picture synthesis method as claimed in claim 6, which is characterized in that described to be screened in order in timing
Obtaining several frame key frame images includes:
Screening is concentrated to obtain present frame key frame images, the pass from collected source image frame during video image acquisition
Key frame image lags behind the reference frame image in timing, and the key frame images include at least moving target image；
The moving target Image compounding by each key frame images to the reference frame image obtains the fortune of the moving target
Dynamic rail mark photo includes: that the moving target Image compounding of the present frame key frame images to the reference frame image is obtained institute
State the current motion profile photo of moving target.
8. motion profile picture synthesis method as claimed in claim 7, which is characterized in that described that the present frame is crucial
The moving target Image compounding of frame image to the reference frame image obtain the current motion profile photo of the moving target it
Afterwards, further includes:
Screening is concentrated to obtain the next frame key frame images of the present frame key frame images from collected source image frame；
Using the next frame key frame images as present frame key frame images, and execute the present frame key frame images
Moving target Image compounding to the reference frame image obtains the operation of the current motion profile photo of the moving target.
9. motion profile picture synthesis method as claimed in claim 8, which is characterized in that further include:
Obtain the target critical frame number for characterizing the key frame images quantity of motion profile photo to be synthesized；
Screening is concentrated to obtain the next frame key frame figure of the present frame key frame images from collected source image frame described
Before picture, further includes:
Judge whether the frame number for the key frame images for being blended into the reference frame image reaches the target critical frame number；
If the frame number for being blended into the key frame images of the reference frame image is not up to the target critical frame number, screen
To the next frame key frame images of the present frame key frame images.
10. motion profile picture synthesis method as claimed in claim 6, which is characterized in that described to be sieved in order in timing
Choosing obtains several frame key frame images and includes:
Screening is concentrated to obtain several frame key frame images, the pass from collected source image frame during video image acquisition
Key frame image lags behind the reference frame image in timing, and the key frame images include at least moving target image；
The moving target Image compounding by each key frame images to the reference frame image obtains the fortune of the moving target
Dynamic rail mark photo includes:
After the quantity for the key frame that screening obtains reaches default frame number, extremely by the moving target Image compounding of each key frame images
The reference frame image obtains the motion profile photo of the moving target.
11. a kind of motion profile picture synthesis method characterized by comprising
Obtain the trigger event of starting biosynthesis locus photo；
Video recording operation is carried out to the moving target in camera fields of view in response to the trigger event；
Synthetic operation is carried out to several images shot with video-corder during video recording, obtains the movement rail of the moving target
Mark photo；Several images are to encode the image formed before video file, and each frame image includes at least moving target shadow
Picture.
12. motion profile picture synthesis method as claimed in claim 11, which is characterized in that
It is described to carry out video recording to the moving target in camera fields of view to operate including: aobvious first in response to the trigger event
Show that the video data shot with video-corder is presented in region in a manner of visual；
It is described that synthesis behaviour is carried out to several images including at least moving target image shot with video-corder during video recording
Work includes: that motion profile photo is gradually presented in a manner of visual in the second display area.
13. a kind of motion profile photo synthesizer characterized by comprising
Reference frame screening module, for concentrating screening to obtain benchmark from collected source image frame during video image acquisition
Frame image, the source images be image acquisition device to and coding form the image before video file；
Key frame screening module, it is several for concentrating screening to obtain from collected source image frame during video image acquisition
Frame key frame images, each key frame images in several frame key frame images include at least moving target image；
Synthesis module is moved, it is described for obtaining the moving target Image compounding of each key frame images to the reference frame image
The motion profile photo of moving target.
14. a kind of embedded equipment, which is characterized in that including processor, the processor is used to execute to store in memory
Computer program realizes the method such as claim 1-12 any one.
15. a kind of electronic equipment characterized by comprising
Video image acquisition device, for acquiring external video image data；
Controller, for realizing the method as described in claim 1-12 any one.
16. electronic equipment as claimed in claim 15, which is characterized in that the electronic equipment are as follows: camera, mobile terminal or meter
Calculation machine.
17. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that stored in storage medium
Computer program be used for be performed realize as claim 1-12 any one the method.
18. a kind of server, which is characterized in that be stored thereon with data resource, the data resource is for being configured to execute reality
The now method as described in claim 1-12 any one.
19. a kind of data resource service platform characterized by comprising
Request module, for obtaining the resource request of user terminal transmission；
Resource issues module, for providing data resource or the data resource to the user terminal according to the resource request
Index, the data resource is used to be configured to execute the method as described in claim 1-12 any one of realization.
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Application publication date: 20191203 |