CN109495695A - Moving object special video effect adding method, device, terminal device and storage medium - Google Patents
Moving object special video effect adding method, device, terminal device and storage medium Download PDFInfo
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- 230000000694 effects Effects 0.000 title claims abstract description 158
- 238000000034 method Methods 0.000 title claims abstract description 48
- 241001465754 Metazoa Species 0.000 claims description 6
- 238000009877 rendering Methods 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 5
- 230000002452 interceptive effect Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 17
- 230000006870 function Effects 0.000 description 8
- 239000013598 vector Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000009916 joint effect Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
-
- 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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
-
- 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 or rendering scenes according to encoded video stream scene graphs
-
- 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
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/144—Movement detection
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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
- H04N5/91—Television signal processing therefor
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- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The present disclosure discloses a kind of moving object special video effect adding method, device, terminal device and storage mediums.This method comprises: obtaining at least one picture frame in video, and at least one moving object is identified in described image frame；If it is determined that identifies in target image frame meets the target moving object of preset motion change condition, then obtain and the motion change condition and/or the matched special video effect of target moving object；By the special video effect be added in the video at the associated video location of target image frame.The embodiment of the present disclosure can add matched dynamic special efficacy with the motion state of moving object, improve the scene diversification of video interactive application.
Description
Technical field
The embodiment of the present disclosure is related to data technique more particularly to a kind of moving object special video effect adding method, device, end
End equipment and storage medium.
Background technique
With the development of the communication technology and terminal device equipment, various terminal equipment such as mobile phone, tablet computer etc. is
Become a part indispensable in people's work and life, and becoming increasingly popular with terminal device, video interactive is answered
With the main channel for becoming a kind of communication and amusement.
Currently, video interactive application can recognize that user's face, and increase in user's head still image (such as
Increase headwear on hair) or increase facial expression be covered in user's face.This method for increasing image is excessively limited to, only
It can identify user's expression, cause application scenarios excessively single.
Summary of the invention
The embodiment of the present disclosure provides a kind of moving object special video effect adding method, device, terminal device and storage medium,
Matched dynamic special efficacy can be added with the motion state of moving object, improve the scene diversification of video interactive application.
In a first aspect, the embodiment of the present disclosure provides a kind of moving object special video effect adding method, this method comprises:
At least one picture frame in video is obtained, and identifies at least one moving object in described image frame；
If it is determined that identifying the target moving object for meeting preset motion change condition in target image frame, then obtain
It takes and the motion change condition and/or the matched special video effect of target moving object；
By the special video effect be added in the video at the associated video location of target image frame.
Further, the determination identifies the target movement for meeting preset motion change condition in target image frame
Object, comprising:
According to the location information of the moving object identified in current image frame, and it is being located at the current image frame
The location information of the moving object identified in the first adjacent image frame set before calculates the of each moving object
One motion state；
According to the location information of the moving object identified in the first picture frame in the first adjacent image frame set,
And the position of the moving object identified in the second adjacent image frame set before being located at the first picture frame
Information calculates the second motion state of each moving object；
According to first motion state and second motion state, the kinematic parameter of each moving object is calculated；
If according to the ambient condition information of each moving object in the kinematic parameter and the current image frame, really
It is scheduled on the target moving object for identifying in the current image frame and meeting preset motion change condition, then by the current figure
As frame is as the target image frame.
Further, surrounding's ring according to each moving object in the kinematic parameter and the current image frame
Border information, determination identify the target moving object for meeting preset motion change condition in the current image frame, comprising:
If detecting in the current image frame includes that kinematic parameter meets preset motion change condition, and surrounding ring
There is the moving object for the shelter for meeting preset contact conditions in border, it is determined that identify in the current image frame full
The target moving object of the preset motion change condition of foot.
Further, the kinematic parameter includes that the direction of motion changes angle and/or movement velocity.
Further, described at least one picture frame obtained in video, comprising:
During video record, at least one picture frame in the video is obtained in real time；
It is described that the special video effect is added in the video at the associated video location of target image frame, it wraps
It includes:
Starting point is added using the video location of the target image frame as special efficacy；
According to the special efficacy duration with the motion change condition and/or the matched special video effect of target moving object,
Since the special efficacy adds starting point, the view is added with the picture frame of the special efficacy Duration match in the video
Frequency special efficacy.
Further, the moving object special video effect adding method, further includes:
In the recording process of the video, the picture frame in the video is presented in real time in video preview interface；
While in the video with the special video effect is added in the picture frame of the special efficacy Duration match, also
Include:
In the video preview interface, the picture frame for adding the special video effect is presented in real time.
Further, the special video effect includes: dynamic animation effect and/or music special efficacy；
It is described in the video preview interface, the picture frame for adding the special video effect is presented in real time, comprising:
In the video preview interface, the real-time rendering dynamic animation effect in picture frame, and play music special efficacy.
Second aspect, the embodiment of the present disclosure provide a kind of moving object special video effect adding set, which includes:
Moving object identification module is identified for obtaining at least one picture frame in video, and in described image frame
At least one moving object；
Special video effect obtains module, for meeting preset motion change item if it is determined that identifying in target image frame
The target moving object of part then obtains and the motion change condition and/or the matched special video effect of target moving object；
Special video effect adding module is closed for the special video effect to be added in the video with the target image frame
At the video location of connection.
Further, the special video effect obtains module, comprising:
First moving state determining module, for the position letter according to the moving object identified in current image frame
Breath, and in the position of the moving object identified in the first adjacent image frame set before the current image frame
Confidence breath, calculates the first motion state of each moving object；
Second moving state determining module, for knowing according in the first picture frame in the first adjacent image frame set
Not Chu moving object location information, and know in the second adjacent image frame set before being located at the first picture frame
Not Chu the moving object location information, calculate the second motion state of each moving object；
Kinematic parameter determining module, for calculating every according to first motion state and second motion state
The kinematic parameter of a moving object；
Target image frame determining module, if for according to each fortune in the kinematic parameter and the current image frame
The ambient condition information of animal body, determination identify the target for meeting preset motion change condition in the current image frame
Moving object, then using the current image frame as the target image frame.
Further, the target image frame determining module, comprising:
Target moving object determining module, if including that kinematic parameter meets in advance for detecting in the current image frame
If motion change condition, and in ambient enviroment exist meet preset contact conditions shelter moving object, it is determined that
The target moving object for meeting preset motion change condition is identified in the current image frame.
Further, the kinematic parameter includes that the direction of motion changes angle and/or movement velocity.
Further, the moving object identification module, comprising:
Picture frame obtains module in real time, for obtaining at least one of described video in real time during video record
Picture frame；
The special video effect adding module, comprising:
Special efficacy adds starting point determining module, for adding starting point for the video location of the target image frame as special efficacy；
The real-time adding module of special video effect, for being matched according to the motion change condition and/or target moving object
Special video effect the special efficacy duration, since the special efficacy add starting point, in the video with the special efficacy continue when
Between add the special video effect in matched picture frame.
Further, the moving object special video effect adding set, further includes:
Module is presented in picture frame in real time, for being in real time in video preview interface in the recording process of the video
Picture frame in the existing video；
Module is presented in special video effect in real time, adds the video spy for being presented in the video preview interface in real time
The picture frame of effect.
Further, the special video effect includes: dynamic animation effect and/or music special efficacy；
Module is presented in the special video effect in real time, comprising:
Special efficacy is shown and playing module, in the video preview interface, real-time rendering dynamic to be dynamic in picture frame
Special efficacy is drawn, and plays music special efficacy.
The third aspect, the embodiment of the present disclosure additionally provide a kind of terminal device, which includes:
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the moving object special video effect adding method as described in the embodiment of the present disclosure.
Fourth aspect, the embodiment of the present disclosure additionally provide a kind of computer readable storage medium, are stored thereon with computer
Program realizes the moving object special video effect adding method as described in the embodiment of the present disclosure when program is executed by processor.
The embodiment of the present disclosure meets movement by any one moving object recognized in picture frame in video and becomes
When change condition, for the video add with the motion change condition and/or the matched special video effect of target moving object, solution
The movement shape body addition view for moving object may be implemented in the excessively single problem of the special video effect of video interactive of having determined application
Frequency special efficacy, improves the diversity of video interactive, while improving the flexibility that video increases special efficacy.
Detailed description of the invention
Fig. 1 is a kind of flow chart for moving object special video effect adding method that the embodiment of the present disclosure one provides；
Fig. 2 is a kind of flow chart for moving object special video effect adding method that the embodiment of the present disclosure two provides；
Fig. 3 a is a kind of flow chart for moving object special video effect adding method that the embodiment of the present disclosure three provides；
Fig. 3 b is a kind of schematic diagram for moving object motion state that the embodiment of the present disclosure three provides；
Fig. 3 c is a kind of schematic diagram for moving object motion state that the embodiment of the present disclosure three provides；
Fig. 3 d is a kind of schematic diagram for moving object motion state that the embodiment of the present disclosure three provides；
Fig. 4 is a kind of structural schematic diagram for moving object special video effect adding set that the embodiment of the present disclosure four provides；
Fig. 5 is a kind of structural schematic diagram for terminal device that the embodiment of the present disclosure five provides.
Specific embodiment
The disclosure is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the disclosure, rather than the restriction to the disclosure.It also should be noted that in order to just
Part relevant to the disclosure is illustrated only in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of flow chart for moving object special video effect adding method that the embodiment of the present disclosure one provides, this implementation
Example is applicable to the case where addition special video effect, and this method can be executed by moving object special video effect adding set, the dress
Setting can be realized by the way of software and/or hardware, which can be configured in terminal device, such as typically be calculated
Machine etc..As shown in Figure 1, this method specifically comprises the following steps:
S110 obtains at least one picture frame in video, and identifies at least one moving object in described image frame.
In general, video is that continuously projection is formed at a terrific speed by a series of picture frame of static state.Thus, it is possible to
Video is split into a series of images frame, and edit operation is carried out to picture frame, to realize the edit operation to video.
Moving object can refer to the changed object in position in video, for example, it may be human body, animal and ball
At least one of object etc..
S120 judges in the current image frame with the presence or absence of the target moving object for meeting preset motion change condition
Body, until at least one described picture frame all complete by judgement, if so, executing S130；Otherwise, S140 is executed.
Wherein, video can be one and record the complete video completed, and be also possible to the video just in real-time recording, video
In current image frame can refer to the newest picture frame obtained from the video of real-time recording, can refer to record complete
The picture frame arbitrarily chosen in video is as current image frame.
Motion change condition can refer to that at least one of movement direction of object, movement velocity and motion profile change
Become, the degree changed simultaneously meets the condition of given threshold.
S130 using the current image frame as target image frame, and is obtained and the motion change condition and/or mesh
The matched special video effect of moving object is marked, S150 is executed.
It can increase since current image frame and the starting matched special video effect of joint action condition in video.Special video effect
For being added in target image frame according to the matched special-effect of user action, is interacted with realizing with user, specifically be can be
Refer to animation effect and/or music special efficacy, addition animation effect draws static state for target image frame simultaneously during display
And/or dynamic image is covered in the original content of target image frame, addition music special efficacy is used to show in target image frame
In the process, while music is played.Special video effect library can be preset, meanwhile, preset special video effect and motion change item
Part and/or the corresponding relationship of target moving object, it is special according to motion change condition and/or target moving object and video
The corresponding relationship of effect and motion change condition and/or target moving object, from special video effect library lookup to motion change item
Part and/or the matched special video effect of target moving object.
In a specific example, motion change condition is that movement velocity is greater than 8m/s and movement velocity is greater than 20m/
S only may is that audio loudness of the movement velocity greater than 8m/s is less than movement velocity with the matched special video effect of motion change condition
Audio loudness greater than 20m/s.It only can be with the matched special video effect of target moving object, when target moving object is basketball
When, it is the dull sound issued when basketball collides with the matched audio of target moving object, when target moving object is table tennis
When, it is the clear and melodious sound issued when table tennis collides with the matched audio of target moving object.With motion change condition and target
The matched special video effect of moving object may is that target moving object is basketball, at this point, meeting the fortune that movement velocity is greater than 8m/s
The basketball audio loudness of dynamic change condition is less than the basketball audio sound for meeting motion change condition of the movement velocity greater than 20m/s
Degree.
S140 obtains next picture frame, as current image frame, returns and executes S120.
S150, by the special video effect be added in the video at the associated video location of target image frame.
Video location can be split with picture frame in the video a series of for indicating the position of picture frame in video
Frame number in picture frame indicates, such as video may be split into 100 frames, and wherein target image frame is the 50th frame.
After the video location for determining target image frame, special video effect is added at the video location.In fact, video is special
Effect can be indicated with code form, special video effect be added at the video location, namely in the corresponding code of target image frame
The corresponding code snippet of special video effect is added in segment, adds special video effect in target image frame to realize.
The embodiment of the present disclosure meets movement by any one moving object recognized in picture frame in video and becomes
When change condition, for the video add with the motion change condition and/or the matched special video effect of target moving object, solution
The movement shape body addition view for moving object may be implemented in the excessively single problem of the special video effect of video interactive of having determined application
Frequency special efficacy, improves the diversity of video interactive, while improving the flexibility that video increases special efficacy.
On the basis of the above embodiments, optionally, it is described obtain video at least one picture frame, may include:
During video record, at least one picture frame in the video is obtained in real time；It is described to be added to the special video effect
It may include: by the video position of the target image frame in the video and at the associated video location of target image frame
It sets and adds starting point as special efficacy；According to the spy with the motion change condition and/or the matched special video effect of target moving object
Imitate the duration, since the special efficacy add starting point, in the video with the picture frame of the special efficacy Duration match
The middle addition special video effect.
Specifically, can be with captured in real-time video, and each picture frame in video is obtained in real time.Wherein, special efficacy is added
Point can refer to initial position and/or the initial time of special video effect addition.The special efficacy duration can refer to special video effect
Initial position to the time or initial time undergone between end position to the time between finish time.With the special efficacy duration
Matched picture frame can refer in video since special efficacy adds starting point, that is, since target image frame, until
The corresponding all picture frames terminated between picture frame at the end of the special video effect.For example, special video effect is music special efficacy, if one
The duration of a music special efficacy is 3s, and in the video, 1s plays 30 picture frames, by video playing sequence, from target figure
90 picture frames (including target image frame) started as frame are the picture frame with special efficacy Duration match.
From there through captured in real-time video, and a series of images frame that video is split is obtained in real time, so that real-time judge is clapped
Current image frame whether there is the target moving object for meeting motion change condition in the video taken the photograph, addition in real time and the movement
Change condition and/or the matched special video effect of target moving object may be implemented to add video spy while video record
Effect, improves the addition efficiency of special video effect.
Optionally, the moving object special video effect adding method can also include: in the recording process of the video,
The picture frame in the video is presented in real time in video preview interface；In the video with the special efficacy Duration match
Picture frame in while add the special video effect, further includes: in the video preview interface, presented described in addition in real time
The picture frame of special video effect.
Wherein, video preview interface can refer to the interface that the terminal device of video is browsed for user, wherein terminal is set
Standby may include server end or client.While captured in real-time video, by video real-time display at video preview interface
In, user can be with the content of the video of displaying live view to shooting as a result,.
Optionally, the special video effect includes: dynamic animation effect and/or music special efficacy；Correspondingly, described described
In video preview interface, the picture frame for adding the special video effect is presented in real time, may include: at the video preview interface
In, the real-time rendering dynamic animation effect in picture frame, and play music special efficacy.
Specifically, drawing dynamic animation in the picture frame of real-time display when special video effect includes dynamic animation effect
Special efficacy, for example, drawing at least one of musical instrument, background and personage etc. image.When special video effect includes music special efficacy, in image
Music special efficacy is played while frame real-time display.Include dynamic animation effect and/or music special efficacy by setting special video effect, mentions
The diversity of high special video effect.
Embodiment two
Fig. 2 is a kind of flow chart for moving object special video effect adding method that the embodiment of the present disclosure two provides.This implementation
Example is embodied based on optinal plan each in above-described embodiment.In the present embodiment, it will determine in target image frame
In the target moving object for meeting preset motion change condition that identifies be embodied as: identified according in current image frame
The location information of moving object out, and identified in the first adjacent image frame set before being located at the current image frame
The location information of the moving object out calculates the first motion state of each moving object；According to first neighbor map
As the location information of the moving object identified in the first picture frame in frame set, and be located at the first picture frame it
The location information of the moving object identified in the second preceding adjacent image frame set, calculates the second of each moving object
Motion state；According to first motion state and second motion state, the kinematic parameter of each moving object is calculated；
If determined according to the ambient condition information of each moving object in the kinematic parameter and the current image frame described
The target moving object for meeting preset motion change condition is identified in current image frame, then using the current image frame as
The target image frame.
Correspondingly, the method for the present embodiment may include:
S210 obtains at least one picture frame in video, and identifies at least one moving object in described image frame.
Video, picture frame, moving object, current image frame, motion change condition, video location and view in the present embodiment
Frequency special efficacy etc. can be with reference to the description in above-described embodiment.
S220, it is described current according to the location information of the moving object identified in current image frame, and being located at
The location information of the moving object identified in the first adjacent image frame set before picture frame, calculates each moving object
First motion state of body.
Wherein, the location information of moving object can refer to that position of the moving object in picture frame, position can use fortune
The coordinate representation of animal body, it might even be possible to which, with the coordinate representation of some characteristic point of moving object, characteristic point is for representing movement
The point of object, for example, the artis of the centre of sphere of ball object or human body, center of gravity etc..Motion state can be the direction of motion and/or
Movement velocity can more specifically refer to according to two for indicating the seat of moving object position in two different images frames
Mark determining vector, wherein the direction of motion that can indicate the moving object of the vector, the vector field homoemorphism can indicate the fortune
The movement velocity of animal body.
First adjacent image frame set includes at least a picture frame, meanwhile, it is associated according to each picture frame in video
Video location, the associated video location of the last one picture frame and the associated view of current image frame in the first adjacent image frame set
Frequency position is adjacent, and the associated video location of the picture frame is before the associated video location of current image frame.If the first phase
Adjacent set of frames only includes a picture frame, then the associated video location of the picture frame and the associated video position of current image frame
Set adjacent, and the associated video location of the picture frame is before the associated video location of current image frame.
S230, according to the position of the moving object identified in the first picture frame in the first adjacent image frame set
Information, and the moving object that is identified in the second adjacent image frame set before being located at the first picture frame
Location information calculates the second motion state of each moving object.
Second motion state can refer to the description of the first motion state.
Second adjacent image frame set includes at least a picture frame, meanwhile, it is associated according to each picture frame in video
Video location, the associated video location of the last one picture frame and the first adjacent image frame set in the second adjacent image frame set
In the associated video location of the first picture frame it is adjacent, and the associated video location of the picture frame is in the associated view of the first picture frame
Before frequency position.If the first adjacent image frame set and the second adjacent image frame set only include a picture frame, the
The associated video of picture frame in the associated video location of picture frame and the first adjacent image frame set in two adjacent set of frames
Position is adjacent, and the associated video location of picture frame image in the first adjacent image frame set in the second adjacent image frame set
Before the associated video location of frame.
S240 calculates the movement of each moving object according to first motion state and second motion state
Parameter.
Specifically, kinematic parameter includes that the direction of motion changes angle and/or movement velocity.The direction of motion changes angle can be with
According to the vector for representing the first motion state and the vector of the second motion state is represented, the angle calculated between two vectors is made
Change angle for the direction of motion, meanwhile, the difference of two vector field homoemorphisms is calculated as movement velocity.
S250, according to the ambient condition information of each moving object in the kinematic parameter and the current image frame,
Judge with the presence or absence of the target moving object for meeting preset motion change condition in the current image frame, described at least
One picture frame all complete by judgement, if so, executing S260；Otherwise, S270 is executed.
Ambient condition information can refer to other objects existing for the environment around moving object characteristic information or with deposit
Other objects relative positional relationship etc..Since during recorded video, recording arrangement may be at stationary state
Or motion state.When recording arrangement is kept in motion, takes practical static moving object and is moved in picture frame,
In fact, moving object is not moved.In order to avoid obtaining the location information of mistake, position letter of the moving object in picture frame
Breath is the location information of opposing stationary object.
Specifically, can be by judging that moving object ambient enviroment is determined with the presence or absence of offset in two different images frames
Whether recording arrangement moves.And when moving object ambient enviroment has offset in two different images frames, around calculating
The offset of environment, and compensate into the location information of the moving object of acquisition, to obtain the location information of moving object.
In general, moving object sudden change motion profile is to collide because of moving object with other objects, from
And whether can be contacted with other objects by judging moving object, determine that moving object is target moving object, optionally,
The ambient condition information according to each moving object in the kinematic parameter and the current image frame is determined described
The target moving object for meeting preset motion change condition is identified in current image frame, if may include: to detect institute
State in current image frame includes that kinematic parameter meets preset motion change condition, and exists in ambient enviroment and meet preset connect
The moving object of the shelter of touch article part, it is determined that identified in the current image frame and meet preset motion change condition
Target moving object.
Specifically, contact conditions can refer in the first adjacent image frame set at least one picture frame shelter with
Moving object contact or collision, more particularly, moving object is contacted with shelter, and deformation occurs for moving object, such as ball
The profile of type objects is overlapped with the outline portion of shelter, meanwhile, the centre of sphere of ball object is less than the ball at a distance from shelter
The radius of type objects, it is possible thereby to determine ball object, deformation occurs, is to meet default condition subsequent so as to the shelter
Shelter.The shelter for meeting preset contact conditions can refer to, be in contact with moving object, and promote moving object
The shelter that changes of motion state.There is the moving object for the shelter for meeting preset contact conditions in ambient enviroment
It can refer to around to exist and collide with itself or the moving object of the shelter of contact relation.When moving object and shelter
When colliding or contacting, moving object makes the direction of motion of itself and/or movement velocity occur to dash forward by other external forces
Become, matched special video effect can be added at this moment.
It is changed by the direction of motion and/or movement velocity when moving object, and meets motion change condition, together
When, there are when shelter, determine that the direction of motion of moving object and/or movement velocity change in the ambient enviroment of moving object
Become, improves the judgment accuracy of preset motion change condition and moving object, thus, improve the accurate of video addition special efficacy
Property.
S260 using the current image frame as target image frame, and is obtained and the motion change condition and/or mesh
The matched special video effect of moving object is marked, S280 is executed.
S270 obtains next picture frame, as current image frame, returns and executes S220.
S280, by the special video effect be added in the video at the associated video location of target image frame.
The embodiment of the present disclosure is respectively schemed in current image frame, the first adjacent image frame set by obtaining each moving object
As the location information in frame, the second adjacent image frame set in each picture frame, the first motion state of each moving object is calculated
With the second motion state, and the kinematic parameter of each moving object is calculated according to the first motion state and the second motion state, knot
The ambient condition information for closing each moving object determines target moving object, thus acquisition and the motion change condition, and/
Or the matched special video effect of target moving object, and be added in video, can matched view accurately be added for moving object
Frequency special efficacy.
Embodiment three
Fig. 3 a is a kind of flow chart for moving object special video effect adding method that the embodiment of the present disclosure three provides.This implementation
Example is embodied based on optinal plan each in above-described embodiment.In the present embodiment, it will acquire in video at least
One picture frame is embodied as: during video record, obtaining at least one picture frame in the video in real time.Meanwhile
By described in the video and at the associated video location of target image frame, addition and the starting joint action condition
Matched special video effect is embodied as: starting point is added using the video location of the target image frame as special efficacy, in the video
In in real time addition with the matched special video effect of the starting joint action condition.Meanwhile during video record, obtain in real time
While at least one picture frame in the video, the picture frame in the video is presented in real time in video preview interface.
And starting point is added using the video location of the target image frame as special efficacy, addition in real time and the starting in the video
While joint action condition matched special video effect, in the video preview interface, it is presented that add the video special in real time
The picture frame of effect.
Correspondingly, the method for the present embodiment may include:
S310 obtains at least one picture frame in the video, in video preview circle during video record in real time
The picture frame in the video is presented in face in real time, and identifies at least one moving object in described image frame.
Video, picture frame, moving object, current image frame, motion change condition, video location and view in the present embodiment
Frequency special efficacy etc. can be with reference to the description in above-described embodiment.
S320, it is described current according to the location information of the moving object identified in current image frame, and being located at
The location information of the moving object identified in the first adjacent image frame set before picture frame, calculates each moving object
First motion state of body.
S330, according to the position of the moving object identified in the first picture frame in the first adjacent image frame set
Information, and the moving object that is identified in the second adjacent image frame set before being located at the first picture frame
Location information calculates the second motion state of each moving object.
S340 calculates the movement of each moving object according to first motion state and second motion state
Parameter.
S350, according to the ambient condition information of each moving object in the kinematic parameter and the current image frame,
Judge with the presence or absence of the target moving object for meeting preset motion change condition in the current image frame, described at least
One picture frame all complete by judgement, if so, executing S360；Otherwise, S370 is executed.
In a specific example, as shown in Fig. 3 b- Fig. 3 d, moving object is sphere, according to playing sequence in video,
Successively display diagram shown in display diagram shown in Fig. 3 b, display diagram, Fig. 3 d shown in Fig. 3 c is presented in sequence.If setting shown in Fig. 3 d
Video preview interface in display diagram be current image frame, meanwhile, the first adjacent image frame set and the second adjacent image frame collection
Close only include a picture frame, then in video preview interface shown in Fig. 3 c display diagram be the first adjacent image frame set in only
Including picture frame, and as the first picture frame；Display diagram is the second adjacent image frame in video preview interface shown in Fig. 3 b
The picture frame for only including in set, and as the second picture frame.Moving object position as shown in the second picture frame is moved to
Position shown in one picture frame, the direction of motion are directed towards shelter, and moving object position as shown in the first picture frame is moved to
Position shown in current image frame, the direction of motion are away from shelter.Namely moving object position shown in the second picture frame
It is moved to position shown in current image frame, the direction of motion of moving object is changed, such as the direction of motion changes angle
It is 170 °, changes angle threshold (such as 90 °) more than the direction of motion in motion change condition, determines that moving object meets movement and becomes
Change condition can add and moving object and the matched special video effect of motion change condition at this time.
S360 using the current image frame as target image frame, and is obtained and the motion change condition and/or mesh
The matched special video effect of moving object is marked, S380 is executed.
S370 obtains next picture frame, as current image frame, returns and executes S320.
The video location of the target image frame is added starting point by S380.
S390 continues according to the motion change condition and/or the special efficacy of the matched special video effect of target moving object
Time adds in the video with the picture frame of the special efficacy Duration match since the special efficacy adds starting point
The special video effect, and in the video preview interface, the picture frame for adding the special video effect is presented in real time.
Example IV
Fig. 4 is a kind of structural schematic diagram for moving object special video effect adding set that the embodiment of the present disclosure provides, this reality
It applies example and is applicable to the case where adding special video effect in video.The device can realize by the way of software and/or hardware,
The device can be configured in terminal device.As shown in figure 4, the apparatus may include: moving object identification module 410, video
Special efficacy obtains module 420 and special video effect adding module 430.
Moving object identification module 410 is known for obtaining at least one picture frame in video, and in described image frame
At least one other moving object；
Special video effect obtains module 420, for if it is determined that identifies in target image frame meets preset movement
The target moving object of change condition then obtains special with the motion change condition and/or the matched video of target moving object
Effect；
Special video effect adding module 430, for the special video effect to be added in the video and the target image
At the associated video location of frame.
The embodiment of the present disclosure meets movement by any one moving object recognized in picture frame in video and becomes
When change condition, for the video add with the motion change condition and/or the matched special video effect of target moving object, solution
The movement shape body addition view for moving object may be implemented in the excessively single problem of the special video effect of video interactive of having determined application
Frequency special efficacy, improves the diversity of video interactive, while improving the flexibility that video increases special efficacy.
Further, the special video effect obtains module 420, comprising: the first moving state determining module exists for basis
The location information of the moving object identified in current image frame, and first before being located at the current image frame are adjacent
The location information of the moving object identified in set of frames calculates the first motion state of each moving object；The
Two moving state determining modules, for according to the movement identified in the first picture frame in the first adjacent image frame set
The location information of object, and described in identifying in the second adjacent image frame set before being located at the first picture frame
The location information of moving object calculates the second motion state of each moving object；Kinematic parameter determining module, for according to institute
The first motion state and second motion state are stated, the kinematic parameter of each moving object is calculated；Target image frame determines
Module, if for the ambient condition information according to each moving object in the kinematic parameter and the current image frame,
Determination identifies the target moving object for meeting preset motion change condition in the current image frame, then will be described current
Picture frame is as the target image frame.
Further, the target image frame determining module, comprising: target moving object determining module, if for examining
Measure in the current image frame includes that kinematic parameter meets preset motion change condition, and exists in ambient enviroment and meet in advance
If contact conditions shelter moving object, it is determined that identify that meeting preset movement becomes in the current image frame
The target moving object of change condition.
Further, the kinematic parameter includes that the direction of motion changes angle and/or movement velocity.
Further, the moving object identification module, comprising: picture frame obtains module in real time, in video record
In the process, at least one picture frame in the video is obtained in real time；The special video effect adding module 430, comprising: special efficacy adds
Add starting point determining module, for adding starting point for the video location of the target image frame as special efficacy；Special video effect adds in real time
Add module, when for according to continuing with the motion change condition and/or the special efficacy of the matched special video effect of target moving object
Between, since the special efficacy adds starting point, institute is added with the picture frame of the special efficacy Duration match in the video
State special video effect.
Further, the moving object special video effect adding set, further includes: module is presented in picture frame in real time, is used for
In the recording process of the video, the picture frame in the video is presented in real time in video preview interface；Special video effect is real
Shi Chengxian module, for the picture frame for adding the special video effect to be presented in real time in the video preview interface.
Further, the special video effect includes: dynamic animation effect and/or music special efficacy；The special video effect is real-time
Module is presented, comprising: special efficacy is shown and playing module, is used for the real-time rendering in picture frame in the video preview interface
Dynamic animation effect, and play music special efficacy.
The moving object special video effect adding set that the embodiment of the present disclosure provides, the moving object provided with embodiment one are stereoscopic
Frequency special efficacy adding method belongs to same inventive concept, and the technical detail of detailed description not can be found in implementation in the embodiments of the present disclosure
Example one, and the embodiment of the present disclosure and the beneficial effect having the same of embodiment one.
Embodiment five
The embodiment of the present disclosure provides a kind of terminal device, and below with reference to Fig. 5, it illustrates be suitable for being used to realizing the disclosure
The structural schematic diagram of the electronic equipment (such as client server) 500 of embodiment.Terminal in the embodiment of the present disclosure is set
It is standby to can include but is not limited to such as mobile phone, laptop, digit broadcasting receiver, personal digital assistant (PDA), put down
The mobile terminal of plate computer (PAD), portable media player (PMP), car-mounted terminal (such as vehicle mounted guidance terminal) etc.
And the fixed terminal of such as number TV, desktop computer etc..Electronic equipment shown in Fig. 5 is only an example, is not answered
Any restrictions are brought to the function and use scope of the embodiment of the present disclosure.
As shown in figure 5, electronic equipment 500 may include processing unit (such as central processing unit, graphics processor etc.)
501, random access can be loaded into according to the program being stored in read-only memory (ROM) 502 or from storage device 508
Program in memory (RAM) 503 and execute various movements appropriate and processing.In RAM 503, it is also stored with electronic equipment
Various programs and data needed for 500 operations.Processing unit 501, ROM 502 and RAM 503 pass through the phase each other of bus 504
Even.Input/output (I/O) interface 505 is also connected to bus 504.
In general, following device can connect to I/O interface 505: including such as touch screen, touch tablet, keyboard, mouse, taking the photograph
As the input unit 506 of head, microphone, accelerometer, gyroscope etc.；Including such as liquid crystal display (LCD), loudspeaker, vibration
The output device 507 of dynamic device etc.；Storage device 508 including such as tape, hard disk etc.；And communication device 509.Communication device
509, which can permit electronic equipment 500, is wirelessly or non-wirelessly communicated with other equipment to exchange data.Although Fig. 5 shows tool
There is the electronic equipment 500 of various devices, it should be understood that being not required for implementing or having all devices shown.It can be with
Alternatively implement or have more or fewer devices.
Particularly, in accordance with an embodiment of the present disclosure, it may be implemented as computer above with reference to the process of flow chart description
Software program.For example, embodiment of the disclosure includes a kind of computer program product comprising be carried on computer-readable medium
On computer program, which includes the program code for method shown in execution flow chart.In such reality
It applies in example, which can be downloaded and installed from network by communication device 509, or from storage device 508
It is mounted, or is mounted from ROM 502.When the computer program is executed by processing unit 501, the embodiment of the present disclosure is executed
Method in the above-mentioned function that limits.
Embodiment six
The embodiment of the present disclosure additionally provides a kind of computer readable storage medium, and computer-readable medium can be computer
Readable signal medium or computer readable storage medium either the two any combination.Computer readable storage medium
Such as may be-but not limited to-system, device or the device of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, or
Any above combination.The more specific example of computer readable storage medium can include but is not limited to: have one or more
It is the electrical connection of a conducting wire, portable computer diskette, hard disk, random access storage device (RAM), read-only memory (ROM), erasable
Formula programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), optical storage
Device, magnetic memory device or above-mentioned any appropriate combination.In the disclosure, computer readable storage medium can be
It is any to include or the tangible medium of storage program, the program can be commanded execution system, device or device using or with
It is used in combination.And in the disclosure, computer-readable signal media may include in a base band or as carrier wave a part
The data-signal of propagation, wherein carrying computer-readable program code.The data-signal of this propagation can use a variety of
Form, including but not limited to electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media may be used also
To be any computer-readable medium other than computer readable storage medium, which can send,
It propagates or transmits for by the use of instruction execution system, device or device or program in connection.Computer
The program code for including on readable medium can transmit with any suitable medium, including but not limited to: electric wire, optical cable, radio frequency
Or above-mentioned any appropriate combination (RF) etc..
Above-mentioned computer-readable medium can be included in above-mentioned electronic equipment；It is also possible to individualism, and not
It is fitted into the electronic equipment.
Above-mentioned computer-readable medium carries one or more program, when said one or multiple programs are by the electricity
When sub- equipment executes, so that the electronic equipment: obtain at least one picture frame in video, and identify in described image frame to
Few moving object；If it is determined that the target movement for meeting preset motion change condition identified in target image frame
Object then obtains and the motion change condition and/or the matched special video effect of target moving object；By the special video effect
Be added in the video at the associated video location of target image frame.
The calculating of the operation for executing the disclosure can be write with one or more programming languages or combinations thereof
Machine program code, above procedure design language include object oriented program language-such as Java, Smalltalk, C+
+, it further include conventional procedural programming language-such as " C " language or similar programming language.Program code can
Fully to execute, partly execute on the user computer on the user computer, be executed as an independent software package,
Part executes on the remote computer or executes on a remote computer or server completely on the user computer for part.
In situations involving remote computers, remote computer can pass through the network of any kind --- including local area network (LAN)
Or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as utilize Internet service
Provider is connected by internet).
Flow chart and block diagram in attached drawing are illustrated according to the system of the various embodiments of the disclosure, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, program segment or code of table, a part of the module, program segment or code include one or more use
The executable instruction of the logic function as defined in realizing.It should also be noted that in some implementations as replacements, being marked in box
The function of note can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are actually
It can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it to infuse
Meaning, the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart can be with holding
The dedicated hardware based system of functions or operations as defined in row is realized, or can use specialized hardware and computer instruction
Combination realize.
Being described in module involved in the embodiment of the present disclosure can be realized by way of software, can also be by hard
The mode of part is realized.Wherein, the title of module does not constitute the restriction to the module itself under certain conditions, for example, fortune
Animal body identification module is also described as " obtaining at least one picture frame in video, and identifying in described image frame
The module of at least one moving object ".
Above description is only the preferred embodiment of the disclosure and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that the open scope involved in the disclosure, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from design disclosed above, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed in the disclosure
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (16)
1. a kind of moving object special video effect adding method characterized by comprising
At least one picture frame in video is obtained, and identifies at least one moving object in described image frame；
If it is determined that identify the target moving object for meeting preset motion change condition in target image frame, then obtain with
The motion change condition and/or the matched special video effect of target moving object；
By the special video effect be added in the video at the associated video location of target image frame.
2. the method according to claim 1, wherein the determination identifies that satisfaction is default in target image frame
Motion change condition target moving object, comprising:
According to the location information of the moving object identified in current image frame, and before being located at the current image frame
The first adjacent image frame set in the location information of the moving object that identifies, calculate the first fortune of each moving object
Dynamic state；
According to the location information of the moving object identified in the first picture frame in the first adjacent image frame set, and
The location information of the moving object identified in the second adjacent image frame set before being located at the first picture frame,
Calculate the second motion state of each moving object；
According to first motion state and second motion state, the kinematic parameter of each moving object is calculated；
If determined according to the ambient condition information of each moving object in the kinematic parameter and the current image frame
The target moving object for meeting preset motion change condition is identified in the current image frame, then by the current image frame
As the target image frame.
3. according to the method described in claim 2, it is characterized in that, described according to the kinematic parameter and the present image
The ambient condition information of each moving object in frame, determining identify in the current image frame meet preset motion change
The target moving object of condition, comprising:
If detecting in the current image frame and meeting preset motion change condition including kinematic parameter, and in ambient enviroment
In the presence of the moving object for the shelter for meeting preset contact conditions, it is determined that identify that satisfaction is pre- in the current image frame
If motion change condition target moving object.
4. according to the method described in claim 3, it is characterized in that, the kinematic parameter include the direction of motion change angle and/
Or movement velocity.
5. method according to claim 1-4, which is characterized in that described at least one image obtained in video
Frame, comprising:
During video record, at least one picture frame in the video is obtained in real time；
It is described by the special video effect be added in the video at the associated video location of target image frame, comprising:
Starting point is added using the video location of the target image frame as special efficacy；
According to the special efficacy duration with the motion change condition and/or the matched special video effect of target moving object, from institute
Special efficacy addition starting point is stated to start, in the video with that the video is added in the picture frame of the special efficacy Duration match is special
Effect.
6. according to the method described in claim 5, it is characterized by further comprising:
In the recording process of the video, the picture frame in the video is presented in real time in video preview interface；
While in the video with the special video effect is added in the picture frame of the special efficacy Duration match, also wrap
It includes:
In the video preview interface, the picture frame for adding the special video effect is presented in real time.
7. according to the method described in claim 6, it is characterized in that, the special video effect includes: dynamic animation effect, and/or
Music special efficacy；
It is described in the video preview interface, the picture frame for adding the special video effect is presented in real time, comprising:
In the video preview interface, the real-time rendering dynamic animation effect in picture frame, and play music special efficacy.
8. a kind of moving object special video effect adding set characterized by comprising
Moving object identification module identifies at least for obtaining at least one picture frame in video, and in described image frame
One moving object；
Special video effect obtains module, for meeting preset motion change condition if it is determined that identifying in target image frame
Target moving object then obtains and the motion change condition and/or the matched special video effect of target moving object；
Special video effect adding module, it is associated with the target image frame for the special video effect to be added in the video
At video location.
9. device according to claim 8, which is characterized in that the special video effect obtains module, comprising:
First moving state determining module, for according to the location information of moving object identified in current image frame, with
And the position of the moving object identified in the first adjacent image frame set before being located at the current image frame is believed
Breath, calculates the first motion state of each moving object；
Second moving state determining module, for being identified according in the first picture frame in the first adjacent image frame set
Moving object location information, and identified in the second adjacent image frame set before being located at the first picture frame
The moving object location information, calculate the second motion state of each moving object；
Kinematic parameter determining module, for calculating each fortune according to first motion state and second motion state
The kinematic parameter of animal body；
Target image frame determining module, if for according to each moving object in the kinematic parameter and the current image frame
The ambient condition information of body determines and identifies the target for meeting preset motion change condition movement in the current image frame
Object, then using the current image frame as the target image frame.
10. device according to claim 9, which is characterized in that the target image frame determining module, comprising:
Target moving object determining module, if for detect in the current image frame include kinematic parameter meet it is preset
Motion change condition, and there is the moving object for the shelter for meeting preset contact conditions in ambient enviroment, it is determined that in institute
State the target moving object for identifying in current image frame and meeting preset motion change condition.
11. device according to claim 10, which is characterized in that the kinematic parameter includes that the direction of motion changes angle
And/or movement velocity.
12. according to the described in any item devices of claim 8-11, which is characterized in that the moving object identification module, comprising:
Picture frame obtains module in real time, for obtaining at least one image in the video in real time during video record
Frame；
The special video effect adding module, comprising:
Special efficacy adds starting point determining module, for adding starting point for the video location of the target image frame as special efficacy；
The real-time adding module of special video effect, for basis and the motion change condition and/or the matched view of target moving object
The special efficacy duration of frequency special efficacy, since the special efficacy add starting point, in the video with the special efficacy duration
The special video effect is added in the picture frame matched.
13. device according to claim 12, which is characterized in that further include:
Module is presented in picture frame in real time, for institute to be presented in real time in video preview interface in the recording process of the video
State the picture frame in video；
Module is presented in special video effect in real time, for presenting add the special video effect in real time in the video preview interface
Picture frame.
14. device according to claim 13, which is characterized in that the special video effect includes: dynamic animation effect, and/
Or music special efficacy；
Module is presented in the special video effect in real time, comprising:
Special efficacy is shown and playing module, in the video preview interface, real-time rendering dynamic animation to be special in picture frame
Effect, and play music special efficacy.
15. a kind of terminal device characterized by comprising
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
Existing moving object special video effect adding method as claimed in claim 1.
16. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
Moving object special video effect adding method as claimed in claim 1 is realized when execution.
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