CN108921921A - A kind of collecting method and system for three-dimensional cartoon design - Google Patents
A kind of collecting method and system for three-dimensional cartoon design Download PDFInfo
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- CN108921921A CN108921921A CN201810675364.8A CN201810675364A CN108921921A CN 108921921 A CN108921921 A CN 108921921A CN 201810675364 A CN201810675364 A CN 201810675364A CN 108921921 A CN108921921 A CN 108921921A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T13/00—Animation
- G06T13/20—3D [Three Dimensional] animation
- G06T13/40—3D [Three Dimensional] animation of characters, e.g. humans, animals or virtual beings
Abstract
The present invention provides a kind of collecting methods and system for three-dimensional animation production, and described method includes following steps：Target identification mark point is arranged in acquisition target in step S1；Characteristic point corresponding with the mark point is arranged in step S2 on three-dimensional animation model；At least two points of observation are arranged, so that each mark point can be observed from least two in the point of observation in step S3；Step S4, the clock of each point of observation is synchronous with master clock respectively；Step S5 acquires the mark point of the acquisition target in the point of observation；The action process of the mark point is mapped to the characteristic point by step S6, generates three-dimensional animation using the three-dimensional animation model.Method and system of the invention can be accurate and synchronously from multiple angle acquisition subject performance data, and the precision of raising movement capture improves the quality for generating three-dimensional animation.
Description
Technical field
The present invention relates to a kind of collecting method being related to for three-dimensional cartoon and systems, especially can be with high precision
The method and system of multi-angle acquisition subject performance data.
Background technique
Higher pursuit with the fast development and people of computer technology to quality of the life, more 3-dimensional digitals
Product has entered into people's daily life.In entertainment industry, high-tech three-dimensional animation video display and film trick production are increasingly obtained
To liking for people and pursuing for market, the annual whole world reaches tens billion of dollars in the investment of three-dimensional animation industry.Meanwhile in void
In the technical applications such as quasi- reality, augmented reality, naked eye three-dimensional, requirement of the people to 3-dimensional digital content is more and more.But three
Dimension word content production must by professional by professional equipment, professional software come hand-made, it is time-consuming, laborious, at high cost.
In movies-making production, ratio shared by 3-dimensional digital client computers d-making is increasing.Present animation video display are big
All be using computer animation software, it is directly hand-made on computers to come out.For a minister up to 1 hour animation
Piece then needs nearly 100,000 picture of manual drawing, needs the investment of a large amount of manpower, time and fund, and due to movement
It is manual drawing, visually still gives the feeling of " animation ", lacks the true and naturality of figure action.2009
Oscar winner《A Fanda》Success show in motion picture production history have epoch-making meaning,《A Fanda》Film
In largely use advanced three-dimensional motion capturing technology, animation angle is accurately matched to by the movement for performing true man and expression
In color, animated film is started and has made a new mileage, fundamentally changed existing video display cartoon making or even stunt
Production method greatly increases the authenticity of figure action in film, increases the ornamental value of vision, brings one to world spectators
A completely new feeling and enjoyment.Also huge business success is achieved, becomes first box-office value in world's film history and exceeds
2000000000 dollars of film great works.At present foreign films sheet production in, the 3-dimensional digital content production based on motion capture by
It is widely used.
Intelligence production is to realize that the effective way of general public production 3-dimensional digital content, intelligence make 3-dimensional digital content
It needs to acquire three-dimensional data and forms three-dimensional cloud database, and 3-dimensional digital content is intelligently generated using computer system.
In motion capture, there are a few class methods, the optical motions such as mechanical, acoustics formula, electromagnetic type, optical profile type to catch at present
The limitation of no cable, mechanical device is caught, can allow the biggish scope of activities of performing artist, digit rate height is sampled and precision is high, it can be with
Meet the needs of high-speed motion high-acruracy survey, thus there is more advantage.But object is in the feelings continuously changed
Under condition, the target point obscured, blocked may be generated, this is also that current optical motion captures all compared to other methods lack
It falls into, needs manually to be modified.
The obscuring of target point, eclipse phenomena are avoided, needs to be arranged more points of observation to carry out motion capture.Setting exists
It is very cumbersome to the attended operation of cable when the motion capture device of each point of observation is connected using wired mode, and may
Performance is had an impact.And when using the motion capture device being wirelessly connected, the Clock Synchronization Procedure of each point of observation, which exists, to be prolonged
When, error can be caused to motion capture.
This field needs a kind of method and system of the movement capture for being suitable for being wirelessly connected of higher precision as a result,.
Summary of the invention
What the purpose of the present invention is to provide a kind of suitable for wireless connection can be accurate and synchronously from multiple angles
Acquire the method and system of subject performance data.
Technical scheme is as follows：
An aspect of of the present present invention provides a kind of collecting method for three-dimensional animation production, includes the following steps：
Target identification mark point is arranged in acquisition target in step S1；
Characteristic point corresponding with the mark point is arranged in step S2 on three-dimensional animation model；
At least two points of observation are arranged, so that each mark point can be from the point of observation at least in step S3
Two are observed；
Step S4, the clock of each point of observation is synchronous with master clock respectively；
Step S5 acquires the mark point of the acquisition target in the point of observation；
The action process of the mark point is mapped to the characteristic point by step S6, raw using the three-dimensional animation model
At three-dimensional animation.
Preferably, the mark point can generate seizable first optical signalling, to acquire the acquisition target
Action process.
Preferably, the characteristic point in the step S2 include the acquisition target the point that is connected of motion parts and/or
Point on the acquisition objective contour.
Preferably, by the clock of each point of observation, the process synchronous with master clock includes such as respectively in the step S4
Lower step：
Step S41 projects the second optical signalling to the acquisition target, and second optical signalling is according to the master clock
Signal modulation；
Step S42 acquires second optical signalling of the acquisition target reflection in each point of observation, according to described the
Two optical signallings are synchronous with master clock by the clock of each point of observation local.
It preferably, can be from different directions to the second optical signalling of the acquisition objective emission in the step S41.
Another aspect provides a kind of data collection systems for three-dimensional animation production, including：
Labelling apparatus, for target identification mark point to be arranged in acquisition target；
At least two motion capture devices are separately positioned on each point of observation, described in acquiring in each point of observation
Acquire the action process of target；
Clock synchronization apparatus can export the optical signalling modulated according to master clock signal, so that the movement be caught
The clock for catching device is synchronous with master clock；
The action process of the mark point can be mapped to the characteristic point, use described three by animation producing device
It ties up animation model and generates three-dimensional animation.
Preferably, the labelling apparatus includes the first optical signal source corresponding with the target identification mark point, is used
In the first optical signalling that generation can be captured by the motion capture device.
Preferably, the motion parts and/or the acquisition objective contour of the acquisition target are arranged in the labelling apparatus
On.
Preferably, the clock synchronization apparatus includes the second optical signal source, can be to the acquisition objective emission the
Two optical signallings；The movement acquisition equipment can receive the second optical signalling of the acquisition target reflection, and according to described
Second optical signalling is synchronous with master clock by local clock.
Preferably, the clock synchronization apparatus can be believed to the second optics of the acquisition objective emission from different directions
Number.
Preferably, the clock synchronization apparatus include can ground run device and/or can fly in the sky
Device.
By the above numerical procedure, the collecting method and system for three-dimensional animation production of the invention can be used
The motion capture device of wireless connection is accurate and synchronously from multiple angle acquisition subject performance datas, and raising movement captures
Precision improves the quality for generating three-dimensional animation.
Detailed description of the invention
Fig. 1 is collecting method flow chart according to the present invention；
Fig. 2 is a kind of data collection system schematic diagram according to the present invention.
Specific embodiment
Related term " motion capture " (Motion capture) herein, also known as dynamic capture, and refer to record simultaneously
Handle people or the technology of other object motions.It is widely used in military affairs, amusement, sport, medical applications, computer vision and
The numerous areas such as robot technology.In film making and electronic game development field, it is usually the movement for recording mankind performer,
And it is converted into the movement of mathematical model, and generate two dimension or three-dimensional computer animation.When it captures face or finger
When deliberate action, it is commonly known as performance capture (performance capture).In many fields, motion capture is sometimes
Also referred to as motion tracking (motion tracking), but in film making and development of games field, motion tracking typically refers to
Match mobile (match moving).
Related term " three-dimensional animation " refers to using computer-generated 3-D animation, 3d computer animation herein
It is substantially the digitlization offspring of stop-motion animation (stop motion or still frame acquisition)；Image creation in animation is calculating
On machine screen and a skeleton has been assembled with it.Then, the four limbs of three-dimensional image, eyes, mouth, clothes are grasped by animator
It is vertical.Finally, animation is come out by computer drawing.
Fig. 1 is collecting method flow chart according to the present invention.Fig. 2 is a kind of data collection system according to the present invention
Schematic diagram.
As shown in Figure 1, an aspect of of the present present invention provides a kind of collecting method for three-dimensional animation production, including
Following steps：
Target identification mark point P is arranged in acquisition target M in step S1；
Characteristic point corresponding with the mark point is arranged in step S2 on three-dimensional animation model；
At least two point of observation V are arranged in step S3 so that each mark point can from the point of observation V to
Few two are observed；
Step S4, the clock of each point of observation V is synchronous with master clock respectively；
Step S5 acquires the mark point P of the acquisition target M in the point of observation V；
The action process of the mark point P is mapped to the characteristic point by step S6, raw using the three-dimensional animation model
At three-dimensional animation.
In a preferred embodiment, the mark point P can generate seizable first optical signalling, to acquire
The action process of the acquisition target.
In a preferred embodiment, the characteristic point P in the step S2 includes the motion parts of the acquisition target
The point and/or the point on the acquisition objective contour being connected.
In a preferred embodiment, in the step S4 by the clock of each point of observation V respectively with master clock
Synchronous process includes the following steps：
Step S41 projects the second optical signalling to the acquisition target, and second optical signalling is according to the master clock
Signal modulation；
Step S42 acquires second optical signalling of the acquisition target reflection in each point of observation V, according to described
Second optical signalling is synchronous with master clock by the clock of each local point of observation V.
It in a preferred embodiment, can be from different directions to the acquisition objective emission in the step S41
Second optical signalling.
In a preferred embodiment, the target follow up mechanism include can be in the device and/or energy of ground run
Enough devices to fly in the sky.
It will be appreciated by those skilled in the art that first optical signalling can be any applicable light in the prior art
Learn signal, such as infrared light, visible light, ultraviolet light.
Second optical signalling can be any applicable optical signalling in the prior art, and preferably, and described
Two optical signallings can be infrared laser, visible laser, hot spot L be formed on acquisition target M, it is possible thereby in point of observation V
Second optical signalling of place's acquisition reflection.
As shown in Fig. 2, another aspect provides a kind of data collection system for three-dimensional animation production, packet
It includes：
Labelling apparatus, for target identification mark point P to be arranged in acquisition target M；
At least two motion capture device V, are separately positioned on each point of observation, described in acquiring in each point of observation
Acquire the action process of target M；
Clock synchronization apparatus K can export the optical signalling modulated according to master clock signal, so that the movement be caught
The clock for catching device is synchronous with master clock；
The action process of the mark point can be mapped to the characteristic point, use described three by animation producing device
It ties up animation model and generates three-dimensional animation.
In a preferred embodiment, the labelling apparatus includes the first light corresponding with the target identification mark point
Signal source is learned, is used to generate the first optical signalling that can be captured by the motion capture device.
In a preferred embodiment, motion parts and/or the institute of the acquisition target is arranged in the labelling apparatus
It states on acquisition objective contour.
In a preferred embodiment, the motion capture device V (is schemed by the way of being wirelessly connected with host computer
In be not shown) communication, send host computer for the position data of the characteristic point of record and corresponding time data.
In a preferred embodiment, the clock synchronization apparatus K includes the second optical signal source L, can be to institute
State acquisition the second optical signalling of objective emission；The movement acquisition equipment can receive the second optics of the acquisition target reflection
Signal, and it is according to second optical signalling that local clock is synchronous with master clock.
In a preferred embodiment, the clock synchronization apparatus can be sent out to the acquisition target from different directions
Penetrate the second optical signalling.
In a preferred embodiment, the clock synchronization apparatus include can be in the device and/or energy of ground run
Enough devices to fly in the sky.For example, the clock synchronization apparatus may include flying in the sky according to fixed route
Unmanned plane or other Multi-axis aircrafts can fly according to the route around acquisition target M, thus from different directions
To the second optical signalling of the acquisition objective emission.
The clock apparatus can also include can be on the ground according to the wheeled of fixed route traveling, crawler type or track
Formula toter, single wheel or two wheeled balance cars, remote control carriage, railcar etc., it can be according to around acquisition target
The route running of M, thus from different directions to the second optical signalling of the acquisition objective emission.
The present invention is described in detail above, specific case used herein is to the principle of the present invention and embodiment party
Formula is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas.For this
The those skilled in the art in field, according to the thought of the present invention, there will be changes in the specific implementation manner and application range,
In conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of collecting method for three-dimensional animation production, includes the following steps：
Target identification mark point is arranged in acquisition target in step S1；
Characteristic point corresponding with the mark point is arranged in step S2 on three-dimensional animation model；
At least two points of observation are arranged, so that each mark point can be from least two in the point of observation in step S3
It observes；
Step S4, the clock of each point of observation is synchronous with master clock respectively；
Step S5 acquires the mark point of the acquisition target in the point of observation；
The action process of the mark point is mapped to the characteristic point by step S6, generates three using the three-dimensional animation model
Tie up animation.
2. the collecting method according to claim 1 for three-dimensional animation production, which is characterized in that the mark point
Seizable first optical signalling can be generated, to acquire the action process of the acquisition target.
3. the collecting method according to claim 1 for three-dimensional animation production, which is characterized in that the step S2
In characteristic point include the point that is connected of motion parts of the acquisition target and/or on the acquisition objective contour
Point.
4. the collecting method according to any one of claim 1-3 for three-dimensional animation production, which is characterized in that
By the clock of each point of observation, the process synchronous with master clock includes the following steps respectively in the step S4：
Step S41 projects the second optical signalling to the acquisition target, and second optical signalling is according to the letter of the master clock
Number modulation；
Step S42 acquires second optical signalling of the acquisition target reflection in each point of observation, according to second light
Learn signal the clock of each point of observation local is synchronous with master clock.
5. the collecting method according to claim 1 for three-dimensional animation production, which is characterized in that the step
It can be from different directions to the second optical signalling of the acquisition objective emission in S41.
6. a kind of data collection system for three-dimensional animation production, including：
Labelling apparatus, for target identification mark point to be arranged in acquisition target；
At least two motion capture devices are separately positioned on each point of observation, for acquiring the acquisition in each point of observation
The action process of target；
Clock synchronization apparatus can export the optical signalling modulated according to master clock signal, so that the motion capture be filled
The clock set is synchronous with master clock；
The action process of the mark point can be mapped to the characteristic point by animation producing device, using described three-dimensional dynamic
It draws model and generates three-dimensional animation.
7. the data collection system according to claim 6 for three-dimensional animation production, which is characterized in that the label dress
It sets including the first optical signal source corresponding with the target identification mark point, being used to generate can be filled by the motion capture
Set the first optical signalling of capture.
8. the data collection system according to claim 6 for three-dimensional animation production, which is characterized in that the label dress
It installs on the motion parts and/or the acquisition objective contour of the acquisition target.
9. the data collection system according to claim 6 for three-dimensional animation production, which is characterized in that the clock is same
Walking device includes the second optical signal source, can be to the second optical signalling of the acquisition objective emission；The movement capture dress
Set the second optical signalling that can receive the acquisition target reflection, and according to second optical signalling by local clock with
Master clock is synchronous.
10. the data collection system according to claim 9 for three-dimensional animation production, which is characterized in that the clock
Synchronizing device can be from different directions to the second optical signalling of the acquisition objective emission.
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| CN201810675364.8A CN108921921A (en) | 2018-06-27 | 2018-06-27 | A kind of collecting method and system for three-dimensional cartoon design |
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| CN201810675364.8A CN108921921A (en) | 2018-06-27 | 2018-06-27 | A kind of collecting method and system for three-dimensional cartoon design |
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| CN105472224A (en) * | 2016-01-05 | 2016-04-06 | 北京度量科技有限公司 | Passive optical motion capture device and application thereof |
| CN106228119A (en) * | 2016-07-13 | 2016-12-14 | 天远三维（天津）科技有限公司 | A kind of expression catches and Automatic Generation of Computer Animation system and method |
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2018
- 2018-06-27 CN CN201810675364.8A patent/CN108921921A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020097245A1 (en) * | 2000-12-27 | 2002-07-25 | Il-Kwon Jeong | Sensor fusion apparatus and method for optical and magnetic motion capture systems |
| CN202120328U (en) * | 2011-07-08 | 2012-01-18 | 东莞市科学技术博物馆 | Motion capture system |
| CN104267815A (en) * | 2014-09-25 | 2015-01-07 | 黑龙江节点动画有限公司 | Motion capturing system and method based on inertia sensor technology |
| CN105472224A (en) * | 2016-01-05 | 2016-04-06 | 北京度量科技有限公司 | Passive optical motion capture device and application thereof |
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Application publication date: 20181130 |