CN109829976A - One kind performing method and its system based on holographic technique in real time - Google Patents
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Abstract
Technical solution of the present invention performs method and its system based on holographic technique including a kind of in real time, for realizing: by making three-dimensional idol model, the position and movement for capturing object to be measured obtain to move and catch data and generate three-dimensional skeleton model and three-dimensional bone action data, the three-dimensional skeleton model of acquisition and three-dimensional idol model are bound, according to the three-dimensional bone action data of acquisition, real-time linkage is carried out with object to be measured, and by three-dimensional idol model projection to specified region, realize that the holographic interaction of three-dimensional personage is shown.The invention has the benefit that virtual idol is made really to have lived, rather than just the video recorded, rely on this set system, virtual idol can be interacted with spectators under platform, greatly improve entertainment and interest.
Description
Technical field
The present invention relates to one kind to perform method and its system based on holographic technique in real time, belongs to field of information acquisition.
Background technique
" virtual idol ", it may be possible to which in these years everybody hears a most words.Virtual idol is novel by its
The form of expression, it is graceful can people figure image, the versatile stage style sung and danced festively obtained public extensive joyous gradually
It meets.In Japan, huge success is obtained by the virtual idol of representative of first sound.These virtual idols are also held in some countries
Cross some virtual concerts, but be all the form of expression using recorded broadcast, lack the uncertain sense of true man, at the same also lack with very
The link of people's interaction.
Summary of the invention
To solve the above problems, performing method in real time based on holographic technique the purpose of the present invention is to provide one kind and its being
System, by making three-dimensional idol model, the position and movement for capturing object to be measured, which obtain to move, catches data and generates three-dimensional bone
Bone model and three-dimensional bone action data, the three-dimensional skeleton model of acquisition and three-dimensional idol model are bound, according to
The three-dimensional bone action data of acquisition, with object to be measured carry out real-time linkage, and by three-dimensional idol model projection to specify
Region realizes that the holographic interaction of three-dimensional personage is shown.
On the one hand technical solution used by the present invention solves the problems, such as it is: one kind being based on the holographic technique side of performance in real time
Method, which is characterized in that the described method comprises the following steps: production three-dimensional idol model；Capture object to be measured position and
Movement obtains to move and catches data and generate three-dimensional skeleton model and three-dimensional bone action data；By the three-dimensional skeleton model of acquisition and three
Virtual idol model is tieed up to be bound；Three-dimensional idol model obtains three-dimensional bone action data, according to the three-dimensional bone of acquisition
Bone action data carries out real-time linkage with object to be measured, and by three-dimensional idol model projection to specified region.
Further, the three-dimensional bone action data include the three dimensional space coordinate of moving target, human synovial 6 from
By degree kinematic parameter.
Further, the three-dimensional skeleton model and three-dimensional idol model include skeleton nodal information.
Further, the three-dimensional skeleton model by acquisition is bound with three-dimensional idol model, comprising: by three
The bone of the skeleton nodal information and three-dimensional idol model of tieing up skeleton model carries out binding matching.
Further, the three-dimensional idol model obtains three-dimensional bone action data, comprising: using based on XML's
File memory format is used for for storing three-dimensional bone action data using the proprietary application layer protocol based on TCP of customization
Real-time Transmission three-dimensional bone action data, three-dimensional idol model obtain and store three-dimensional bone action data.
Further, the three-dimensional bone action data according to acquisition carries out real-time linkage with object to be measured, comprising:
According to the three-dimensional bone action data of acquisition, the detection of three-dimensional idol model collision, including virtual idol physical feeling are executed
Between, the collision detection between virtual idol and between virtual idol and virtual scene and object；It is created in formulating region
The activity scene of three-dimensional idol, wherein activity scene is used to limit the drop shadow spread of three-dimensional idol；Three-dimensional is even
As model calls three-dimensional bone action data, for driving three-dimensional idol model to execute respective action, realize with it is to be measured right
The real-time linkage of elephant；By three-dimensional idol model projection into the activity scene formulated in region.
On the other hand technical solution used by the present invention solves the problems, such as it is: one kind is based on the real-time Acting Department of holographic technique
System, for realizing the method as described in claim 1 characterized by comprising three-dimensional modeling module, for establishing three-dimensional void
Quasi- idol model；Infrared motion capture module, position and movement for capturing object to be measured, which obtain to move, catches data；Skeleton model
Module is established, for generating three-dimensional skeleton model according to object to be measured and generating three-dimensional bone action data according to dynamic data of catching；
Bone binding module, for three-dimensional skeleton model and three-dimensional idol model to be carried out binding matching；Interlocking module is used for root
Dynamic according to capture catches data and drives to three-dimensional idol model, realizes and carries out real-time linkage with object to be measured；Projective module
Block, three-dimensional idol model projection for that will generate is to formulating region；Receiving module is projected, for receiving projection module hair
Picture signal out.
Further, the interlocking module includes: memory module, for storing three-dimensional bone action data；Bone matching
Module makes respective action for driving three-dimensional idol model according to three-dimensional bone action data.
Further, the interlocking module includes: collision detection module, for acting number according to the three-dimensional bone of acquisition
According to, the detection of three-dimensional idol model collision is executed, including between virtual idol physical feeling, it is between virtual idol and virtual
Collision detection between idol and virtual scene and object.
Further, the projection receiving module is tempered glass reflectance coating pyramid curtain；The projection module is laser
Away from projector.
The beneficial effects of the present invention are: one kind that the present invention uses is based on holographic technique performs method and its system in real time,
So that virtual idol has really been lived, rather than just the video recorded, rely on this set system, virtual idol can and platform
Lower spectators interact, and greatly improve entertainment and interest.
Detailed description of the invention
Fig. 1 show overview flow chart according to the method for the present invention；
Fig. 2 show the system module block diagram of preferred embodiment according to the present invention；
Fig. 3 show the flow chart of preferred embodiment according to the method for the present invention.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu, complete description, to be completely understood by the purpose of the present invention, scheme and effect.
It should be noted that unless otherwise specified, the descriptions such as upper and lower, left and right used in the disclosure are only opposite
In attached drawing for the mutual alignment relation of each component part of the disclosure." the one of used singular in the disclosure
Kind ", " described " and "the" are also intended to including most forms, unless the context clearly indicates other meaning.In addition, unless otherwise
Definition, all technical and scientific terms used herein and the normally understood meaning phase of those skilled in the art
Together.Term used in the description is intended merely to description specific embodiment herein, is not intended to be limiting of the invention.
The use of provided in this article any and all example or exemplary language (" such as ", " such as ") is intended merely to more
Illustrate the embodiment of the present invention well, and unless the context requires otherwise, otherwise the scope of the present invention will not be applied and be limited.
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
It show overview flow chart according to the method for the present invention referring to Fig.1,
Make three-dimensional idol model；
Shape modeling
Three-dimension object is showed, most basic is the profile for drawing out three-dimension object, and entire three are constructed using Points And lines
The outer boundary for tieing up object, i.e., indicate three-dimension object using only boundary.With the most universal of boundary representation in 3-D graphic object
Mode is that the description of object is stored using the surface polygon of one group of encirclement interior of articles, and polyhedral Polygons Representation is accurate
The surface characteristics for defining object can then be generated more than one by the way that surface is embedded into object but to other objects
Side shape grid approaches, and is approached and can be improved by the way that curved surface is divided into smaller polygon using polygonal mesh on curved surface.
Surface texture is illustrated with summary since wire frame outline can quickly be shown, it is this to indicate in design and physical model application
In generally use.Polygonal Boundary is eliminated or reduces by carrying out Lightness disposal along polygon surface, to realize that authenticity is drawn
System.
Appearance modeling
The appearance of object is the texture characteristic that a kind of object is different from other objects, and the appearance of virtual objects is true in VR system
True feeling depends primarily on its surface reflection and texture.In general, as long as the time is well-to-do enough, with increase object polygon
Method can draw out the patterned surface being really true to life.But VR system is typical calculating and display system in limited time, to real-time
Property require it is very high.Therefore, texture mapping (Texture Mapping) technology in timesaving obtains extensively in VR system Geometric Modeling
Using.The appearance dealt with objects with mapping technology, first is that increasing the sense of reality of level of detail and scenery；Two are to provide
Better three dimensional spatial cues；Three are the reduction of the number of what comes into a driver's polygon, thus improve frame refresh rate, enhance complexity
The Real time dynamic display effect of scene.
The position and movement for capturing object to be measured obtain to move and catch data and generate three-dimensional skeleton model and three-dimensional bone movement
Data；
It catches performer firstly, dynamic and enters between the dynamic police station for arranging infrared optics positioning device, caught equipment by dynamic and moved
It captures, and it is connected to system, then moves and catch performer and start to perform according to drama, it is dynamic to catch equipment the dynamic of acquisition is caught into number
It is transmitted in system when factually, skeleton model establishes module and generates three-dimensional bone action data using these dynamic data of catching and establish
Three-dimensional skeleton model, while the dynamic head movement for catching performer of scene drawing controller acquisition and eye motion are caught to which judgement is dynamic and are drilled
Member's direction of visual lines and the depth of field draw out corresponding three-dimensional scenic so as to real-time rendering module, obtain three-dimensional idol model animation
After real-time three-dimensional scene, rendering module is incorporated into being rendered.
The three-dimensional skeleton model of acquisition and three-dimensional idol model are bound；
The bone of the skeleton nodal information of three-dimensional skeleton model and three-dimensional idol model is subjected to binding matching,
The movement and move agreeing with for the practical performance for catching performer that guarantee three-dimensional idol model is made according to three-dimensional bone action data
Degree, is unlikely to too indisposed.
Three-dimensional idol model obtains three-dimensional bone action data, according to the three-dimensional bone action data of acquisition, with to
It surveys object and carries out real-time linkage, and by three-dimensional idol model projection to specified region.
Using the file memory format based on XML for storing three-dimensional bone action data, and using customization based on TCP
Proprietary application layer protocol be used for real-time Transmission three-dimensional bone action data, three-dimensional idol model obtains and stores three-dimensional bone
Bone action data executes the detection of three-dimensional idol model collision according to the three-dimensional bone action data of acquisition, including virtual even
As the collision detection between physical feeling, between virtual idol and between virtual idol and virtual scene and object；It is formulating
The activity scene of three-dimensional idol is created in region, wherein activity scene is used to limit the drop shadow spread of three-dimensional idol；
Three-dimensional idol model calls three-dimensional bone action data, real for driving three-dimensional idol model to execute respective action
Now with the real-time linkage of object to be measured；By three-dimensional idol model projection into the activity scene formulated in region, by linking
Module drives the virtual idol in the glass pyramid among long-range stage in real time.Complete performance
The system module block diagram for showing preferred embodiment according to the present invention referring to 2, comprising:
Three-dimensional modeling module, for establishing three-dimensional idol model；
Infrared motion capture module, position and movement for capturing object to be measured, which obtain to move, catches data；
Skeleton model establishes module, for generating three-dimensional skeleton model according to object to be measured and generating three according to dynamic data of catching
Tie up bone action data；Bone binding module, for three-dimensional skeleton model and three-dimensional idol model to be carried out binding matching；
Interlocking module is realized and is carried out with object to be measured for catching data according to the dynamic of capture and driving to three-dimensional idol model
Real-time linkage；Projection module, three-dimensional idol model projection for that will generate is to formulating region；Receiving module is projected, is used
In the picture signal for receiving projection module sending.Interlocking module includes: memory module, for storing three-dimensional bone action data；
Bone matching module makes respective action for driving three-dimensional idol model according to three-dimensional bone action data；Collision inspection
Module is surveyed, for the three-dimensional bone action data according to acquisition, executes the detection of three-dimensional idol model collision, including virtual even
As the collision detection between physical feeling, between virtual idol and between virtual idol and virtual scene and object.
Projecting receiving module can be tempered glass reflectance coating pyramid curtain；The projection module can be laser away from projector.
The flow chart of preferred embodiment according to the method for the present invention is shown referring to Fig. 3,
The lazy movement of conjecture face bag is staggered track
Key technology has at 3 points: obtaining the exercise data, the dense network model of driving and realization unspecified person of everybody danger
Face danger animation.Different application scenarios can be directed to, corresponding technology can be used, adaptively to track skeleton
The data of node and the dense network data on face surface.Such as under the scene of single low coverage sitting posture, as long as tracking is above the waist
The posture of bone node, it is preferred that emphasis is both hands and human face expression.
The dimensional Modeling Technology of virtual portrait
The visual effect of three-dimensional idol is constructed by Unity3D, and the movement of virtual idol and the control source of expression are
It is dynamic to catch data, it needs to include several functions:
A) binding of skeleton nodal information and visual human's bone.
B) binding of human facial expression information and conjecture face.
C) 3D location information of the visual human in virtual scene, especially relative to virtual camera between dummy object
Hiding relation.
D) between collision detection, including virtual idol physical feeling, between virtual idol, virtual idol and virtual scene and
Collision detection between object.
The interaction that virtual portrait is concentrated in virtual environment field
Virtual scene and object are largely the movement that static or brother king first sets, and by identifying the appearance of human body shot
Gesture can be used to control dummy object (such as virtual screen or virtual item etc.).
System needs to set a set of posture standard, and people shot can interact with dummy object, for example is working it out one
After kind of posture, when detect and identify for set in standard virtual screen start to play VCR regard the posture of volume after, interlocking module is opened
Begin to drive virtual idol performance.
Tradition and the movement capturing technology based on depth image
The usually used method of virtual portrait action emulation is main at present
Have role animation software (the Motion Builder role animation software of such as autodesk, inc. }, video actions
The methods of extraction and sensor hardware capturing movement.Traditional movement capturing technology there are several types of:
Electromagnetic type motion capture system
Mechanical motion captures system
Acoustics formula motion capture system
Optical motion captures system
The system application of optical motion capture at present is more universal, and a mark point is worn with the object that it is tracked
(Marker), the physical parameter of some video cameras is demarcated in special place.It is identified from image sequence when capturing software
After mark point therein, this moment position of point in space, continuous bat are determined by the way that captured image and parameter are raw
Take the photograph the motion profile that can be obtained by the point.
On the whole, traditional movement capturing technology is operationally more complicated, seeks more natural human body attitude tracking
Mode is the emphasis of current industry research.The Attitude Tracking (skeleton tracking) of human body is obtained by depth information rice
Excessive preparation is not needed, the requirement to equipment and personnel is reduced.
The real-time analysis of human bone marrow's joint movements state
After having obtained the depth data of three-dimensional scenic, can by the method for machine learning from depth data mallet take out people
Object ' quotient bows the motion state data of node, and for driving virtual role model.
The agreement of transmission and storage human body information
A kind of proprietary application layer protocol based on TCP and the file storage format based on XML are worked out, for passing in real time
Skeleton node and human facial expression information are sent and store, these data are recorded, when people not really is for acting
When capture, the athletic performance of virtual idol can be directly created with these data.
The dimensional Modeling Technology of virtual portrait
The dimensional Modeling Technology of visual human is relatively mature, can use business software next life, for example Poser is a three
Modelling of human body software is tieed up, built-in model abundant, these models are stored in data tablet in the form of library.Constitute each of model
Component part can modify moulding, such as head, hand and the foot of people, the setting of adjusting parameter disk by control parameter
It can be convenient the posture for optionally adjusting model, to establish out the aspectual character moulding an of specific role.
The movement of conjecture face expression is simulated
Method used by modeling according to face is different, and face modeling can be broadly divided into four classes: parameter model, physiology flesh
Meat model, the vision mode based on image and the built-up pattern based on face database.
Interaction in the present near-ring mirror scene of virtual portrait
Gesture and gesture recognition technology are studied, can be used to control dummy object such as virtual screen or virtual road
Tool by the Euclidean distance between certain two artis of utilization, and passes through the angle between calculating field connecting joint point line
It spends to carry out the identification of given pose, is convenient to dummy object id interaction, should also establish gesture and the posture library of standard.
The above, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as
It reaches technical effect of the invention with identical means, all should belong to protection scope of the present invention.In protection model of the invention
Its technical solution and/or embodiment can have a variety of different modifications and variations in enclosing.
Claims (10)
1. one kind performs method based on holographic technique in real time, which is characterized in that the described method comprises the following steps:
Make three-dimensional idol model；
The position and movement for capturing object to be measured obtain to move and catch data and generate three-dimensional skeleton model and three-dimensional bone action data；
The three-dimensional skeleton model of acquisition and three-dimensional idol model are bound；
Three-dimensional idol model obtains three-dimensional bone action data, and to be measured right according to the three-dimensional bone action data of acquisition
As carrying out real-time linkage, and by three-dimensional idol model projection to specified region.
2. according to claim 1 perform method based on holographic technique in real time, which is characterized in that the three-dimensional bone movement
Data include the 6DOF kinematic parameter of the three dimensional space coordinate of moving target, human synovial.
3. according to claim 1 perform method based on holographic technique in real time, which is characterized in that the three-dimensional skeleton model
It include skeleton nodal information with three-dimensional idol model.
4. according to claim 1 perform method based on holographic technique in real time, which is characterized in that the three-dimensional by acquisition
Skeleton model is bound with three-dimensional idol model, comprising:
The bone of the skeleton nodal information of three-dimensional skeleton model and three-dimensional idol model is subjected to binding matching.
5. according to claim 1 perform method based on holographic technique in real time, which is characterized in that the three-dimensional idol
Model obtains three-dimensional bone action data, comprising:
Using the file memory format based on XML for storing three-dimensional bone action data, and using customization based on the special of TCP
There is application layer protocol for real-time Transmission three-dimensional bone action data, three-dimensional idol model obtains and stores three-dimensional bone and moves
Make data.
6. according to claim 1 perform method based on holographic technique in real time, which is characterized in that described according to the three of acquisition
Bone action data is tieed up, carries out real-time linkage with object to be measured, comprising:
According to the three-dimensional bone action data of acquisition, the detection of three-dimensional idol model collision, including virtual idol body are executed
Collision detection between position, between virtual idol and between virtual idol and virtual scene and object；
The activity scene of three-dimensional idol is created in formulating region, wherein activity scene is for limiting three-dimensional idol
Drop shadow spread；
Three-dimensional idol model calls three-dimensional bone action data, corresponding dynamic for driving three-dimensional idol model to execute
Make, realizes the real-time linkage with object to be measured；
By three-dimensional idol model projection into the activity scene formulated in region.
7. one kind is based on the real-time performance system of holographic technique, for realizing the method as described in claim 1, which is characterized in that
Include:
Three-dimensional modeling module, for establishing three-dimensional idol model；
Infrared motion capture module, position and movement for capturing object to be measured, which obtain to move, catches data；
Skeleton model establishes module, for generating three-dimensional skeleton model according to object to be measured and generating three-dimensional bone according to dynamic data of catching
Bone action data；
Bone binding module, for three-dimensional skeleton model and three-dimensional idol model to be carried out binding matching；
Interlocking module is realized and object to be measured for catching data according to the dynamic of capture and driving to three-dimensional idol model
Carry out real-time linkage；
Projection module, three-dimensional idol model projection for that will generate is to formulating region；
Receiving module is projected, for receiving the picture signal of projection module sending.
8. according to claim 7 be based on the real-time performance system of holographic technique, which is characterized in that the interlocking module packet
It includes:
Memory module, for storing three-dimensional bone action data；
Bone matching module makes respective action for driving three-dimensional idol model according to three-dimensional bone action data.
9. according to claim 7 be based on the real-time performance system of holographic technique, which is characterized in that the interlocking module packet
It includes:
Collision detection module executes the detection of three-dimensional idol model collision for the three-dimensional bone action data according to acquisition,
Including between virtual idol physical feeling, the collision between virtual idol and between virtual idol and virtual scene and object is examined
It surveys.
10. according to claim 7 be based on the real-time performance system of holographic technique, which is characterized in that the projection receives mould
Block is tempered glass reflectance coating pyramid curtain；The projection module is laser away from projector.
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