CN108597015A - The automatic binding system of three dimensional biological model bone, method, equipment and computer program product - Google Patents
The automatic binding system of three dimensional biological model bone, method, equipment and computer program product Download PDFInfo
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- CN108597015A CN108597015A CN201810314055.8A CN201810314055A CN108597015A CN 108597015 A CN108597015 A CN 108597015A CN 201810314055 A CN201810314055 A CN 201810314055A CN 108597015 A CN108597015 A CN 108597015A
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Abstract
The embodiment of the invention discloses the automatic binding system of three dimensional biological model bone, method, equipment and computer software program products.The method includes：The three dimensional biological model data pre-established is obtained, using fetched data computation model volume and matches bone site；Corresponding joint in bone after positioning and model is bound；The voxel information for calculating separately bone and model skin distributes skin weight according to the incidence relation between voxel information, completes covering.The present invention binds the problem of skeletal joint technology causes to take considerable time when carrying out a large amount of biological models and binding manually for existing three dimensional biological model, it is proposed the automatic positioning based on model volume and topological structure realization bone, automatic articular is bound, the biological model bound has basic animation K frame demands, it is considerably reduced the bone binding time of biological model in this way, efficient skeletal joint binding is carried out so as to be directed to a large amount of biological models.
Description
Technical field
The present invention relates to computer image technology fields more particularly to a kind of three dimensional biological model bone to bind automatically and be
System, method, equipment and computer program product.
Background technology
Three dimensional biological model includes bone and skin, and biological model movement is transported while necessarily involving bone and skin
It is dynamic, therefore binding positioning is carried out firstly the need of the bone to biological model, so as to its movement of subsequent control.As three-dimensional animation or spy
When effect makes needs a large amount of biological models, traditional binding technology can expend a large amount of manpowers, and each biological model is required for manual
With bone site, manual setting binds joint, and the binding of a common quadruped will take a substantial amount of time.
Therefore, the prior art need further to develop.
Invention content
In view of the above technical problems, an embodiment of the present invention provides a kind of automatic binding system of three dimensional biological model bone,
Method, equipment and computer program product, to solve the problems, such as that it is long that existing three dimensional biological model bone binding technology takes.
A kind of automatic binding method of three dimensional biological model bone, wherein the method includes：
The three dimensional biological model data pre-established is obtained, using fetched data computation model volume and matches bone position
It sets；
Corresponding joint in bone after positioning and model is bound；
The voxel information for calculating separately bone and model skin, according to the incidence relation distribution skin power between voxel information
Weight completes covering.
The automatic binding method of three dimensional biological model bone, wherein obtain the three dimensional biological pattern number pre-established
According to further including before：Pre-establish three dimensional biological model, and voxelization model.
The automatic binding method of three dimensional biological model bone, wherein simultaneously using fetched data computation model volume
Matching bone site is specially：Matching is calculated using fetched data computation model volume, and using model topology structured data
Bone site.
The automatic binding method of three dimensional biological model bone, wherein calculate separately bone and the voxel of model skin
Information distributes skin weight according to the incidence relation between voxel information, completes covering and is specially：Calculate separately bone and model
The voxel information of skin determines the bone for influencing model skin, and according to the geometrical relationship between bone voxel and skin voxel, object
Reason relationship determines skin weight, completes covering.
The automatic binding method of three dimensional biological model bone, wherein after bone action, obtain the key of bone action
Frame sequence carries out interpolation calculation in adjacent crucial interframe, the new voxel information of each bone is determined, according to skin weight calculation mould
The new voxel information of type skin.
A kind of automatic binding system of three dimensional biological model bone, wherein the system comprises：
Matching module：For obtaining the three dimensional biological model data pre-established, fetched data computation model body is utilized
It accumulates and matches bone site；
Binding module：For being bound to corresponding joint in bone after positioning and model；
Covering module：Voxel information for calculating separately bone and model skin, according to the association between voxel information
Relation allocation skin weight completes covering.
A kind of electronic equipment, wherein including at least one processor；
And the memory being connect at least one processor communication；
Wherein, the memory is stored with the instruction repertorie that can be executed by least one processor, described instruction journey
Sequence is executed by least one processor, so that at least one processor is able to carry out method as described above.
A kind of computer program product used in the automatic binding system of three dimensional biological model bone, wherein the meter
Calculation machine program product includes function module as described above.
In technical solution provided in an embodiment of the present invention, skeletal joint technology is bound manually for existing three dimensional biological model
The problem of causing to take considerable time when carrying out a large amount of biological model bindings, proposes to realize based on model volume and topological structure
The automatic positioning of bone, automatic articular binding, the biological model bound have basic animation K frame demands, thus significantly
The bone binding time for reducing biological model carries out efficient skeletal joint binding so as to be directed to a large amount of biological models.
Description of the drawings
Fig. 1 is the automatic binding method flow chart of three dimensional biological model bone of the embodiment of the present invention；
Fig. 2 is the functional block diagram of the automatic binding system of three dimensional biological model bone of the embodiment of the present invention；
Fig. 3 is one embodiment schematic diagram of the electronic equipment of the embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other implementation that those skilled in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
It should be noted that when element is expressed " being fixed on " another element, it can directly on another element,
Or may exist one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be with
It is directly to another element or may exist one or more elements placed in the middle therebetween.Used in this specification
The orientation or position of the instructions such as term " vertically ", " horizontal ", "left", "right", "upper", "lower", "inner", "outside", " bottom "
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot manage
Solution is limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
Unless otherwise defined, technical and scientific term all used in this specification is led with the technology for belonging to the present invention
The normally understood meaning of technical staff in domain is identical.Used term is only in the description of the invention in this specification
The purpose of description specific embodiment is not intended to limitation the utility model.Term "and/or" used in this specification
Include any and all combinations of one or more relevant Listed Items.In addition, invention described below is different
Involved technical characteristic can be combined with each other as long as they do not conflict with each other in embodiment.
A kind of automatic binding method of three dimensional biological model bone as shown in Figure 1, wherein the method includes：
The three dimensional biological model data that S100, acquisition pre-establish, using fetched data computation model volume and matches
Bone site.
Specifically, further including before obtaining the three dimensional biological model data pre-established：Three dimensional biological model is pre-established,
And voxelization model, it builds apart from mapping relations.
Further, it using fetched data computation model volume and matches bone site and is specially：Utilize acquired number
Matching bone site is calculated according to computation model volume, and using model topology structured data.
S200, corresponding joint in bone after positioning and model is bound.
S300, the voxel information for calculating separately bone and model skin are distributed according to the incidence relation between voxel information
Skin weight completes covering.
Specifically, the voxel information of bone and model skin is calculated separately, according to the incidence relation between voxel information point
With skin weight, completing covering is specially：The voxel information of bone and model skin is calculated separately, determining influences model skin
Bone, and skin weight is determined according to geometrical relationship, the physical relation between bone voxel and skin voxel, complete covering.
After the action of model bone, the keyframe sequence of bone action is obtained, carries out interpolation calculation in adjacent crucial interframe, really
The new voxel information of fixed each bone, the voxel information new according to skin weight calculation model skin.
A kind of automatic binding system of three dimensional biological model bone as shown in Figure 2, wherein the system comprises：
Matching module 100：For obtaining the three dimensional biological model data pre-established, fetched data computation model is utilized
Volume simultaneously matches bone site, as described in step S100 in Fig. 1.
Binding module 200：For being bound to corresponding joint in bone after positioning and model, such as step in Fig. 1
Described in S200.
Covering module 300：Voxel information for calculating separately bone and model skin, according to the pass between voxel information
Join relation allocation skin weight, covering is completed, as described in step S300 in Fig. 1.
The present invention also provides a kind of computer program product used in the automatic binding system of three dimensional biological model bone,
Wherein, the computer program product includes function module as described above.
It is illustrated in figure 3 the hardware architecture diagram of electronic equipment provided by the embodiments of the present application, which includes：One
Or multiple processors 201 and memory 202.In Fig. 3 for one.Wherein, processor 201 and memory 202 can be with
It is connected by bus or other modes, in Fig. 3 for being connected by bus.
Memory 202 is used as a kind of non-volatile computer readable storage medium storing program for executing, can be used for storing non-volatile software journey
Sequence, non-volatile computer executable program and module, as the three dimensional biological model bone in the embodiment of the present invention is tied up automatically
Determine the corresponding program instruction/module of method.Processor 201 is stored in the non-volatile software journey in memory 202 by operation
Sequence, instruction and module, the various function application to execute server and data processing, that is, realize above method embodiment
The automatic binding method of three dimensional biological model bone.
Memory 202 may include storing program area and storage data field, wherein storing program area can store operation system
System, the required application program of at least one function；Storage data field can be stored to be created according to using for special effect processing system
Data etc..In addition, memory 202 may include high-speed random access memory, can also include nonvolatile memory, example
Such as at least one disk memory, flush memory device or other non-volatile solid state memory parts.In some embodiments, it deposits
It includes the memory remotely located relative to processor 201 that reservoir 202 is optional, these remote memories can pass through network connection
To the automatic binding system of three dimensional biological model bone.The example of above-mentioned network includes but not limited to internet, intranet, office
Domain net, mobile radio communication and combinations thereof.
One or more of modules are stored in the memory 202, when by one or more of processors
When 201 execution, the automatic binding method of three dimensional biological model bone in above-mentioned any means embodiment is executed.
In technical solution provided in an embodiment of the present invention, skeletal joint technology is bound manually for existing three dimensional biological model
The problem of causing to take considerable time when carrying out a large amount of biological model bindings, proposes to realize based on model volume and topological structure
The automatic positioning of bone, automatic articular binding, the biological model bound have basic animation K frame demands, thus significantly
The bone binding time for reducing biological model carries out efficient skeletal joint binding so as to be directed to a large amount of biological models.
The said goods can perform the method that the embodiment of the present application is provided, and has the corresponding function module of execution method and has
Beneficial effect.The not technical detail of detailed description in the present embodiment, reference can be made to the method that the embodiment of the present application is provided.
The apparatus embodiments described above are merely exemplary, wherein the unit illustrated as separating component can
It is physically separated with being or may not be, the component shown as unit may or may not be physics list
Member, you can be located at a place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of module achieve the purpose of the solution of this embodiment.
Through the above description of the embodiments, those of ordinary skill in the art can be understood that each embodiment
The mode of general hardware platform can be added to realize by software, naturally it is also possible to pass through hardware.Those of ordinary skill in the art can
With understand all or part of flow realized in above-described embodiment method be can be instructed by computer program it is relevant hard
Part is completed, and the program can be stored in a computer read/write memory medium, the program is when being executed, it may include as above
State the flow of the embodiment of each method.Wherein, the storage medium can be magnetic disc, CD, read-only memory (Read-
Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
It, can according to the technique and scheme of the present invention and this hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect range.
Claims (8)
1. a kind of automatic binding method of three dimensional biological model bone, which is characterized in that the method includes：
The three dimensional biological model data pre-established is obtained, using fetched data computation model volume and matches bone site；
Corresponding joint in bone after positioning and model is bound；
The voxel information for calculating separately bone and model skin distributes skin weight according to the incidence relation between voxel information,
Complete covering.
2. the automatic binding method of three dimensional biological model bone according to claim 1, which is characterized in that acquisition pre-establishes
Three dimensional biological model data before further include：Pre-establish three dimensional biological model, and voxelization model.
3. the automatic binding method of three dimensional biological model bone according to claim 2, which is characterized in that utilize acquired number
According to computation model volume and matches bone site and be specially：Using fetched data computation model volume, and utilize model topology
Structured data calculates matching bone site.
4. the automatic binding method of three dimensional biological model bone according to claim 3, which is characterized in that calculate separately bone
With the voxel information of model skin, skin weight is distributed according to the incidence relation between voxel information, completing covering is specially：Point
Not Ji Suan bone and model skin voxel information, the bone for influencing model skin is determined, and according to bone voxel and skin volume
Geometrical relationship, physical relation between element determine skin weight, complete covering.
5. the automatic binding method of three dimensional biological model bone according to claim 4, which is characterized in that after bone action,
The keyframe sequence for obtaining bone action carries out interpolation calculation in adjacent crucial interframe, determines the new voxel information of each bone,
The voxel information new according to skin weight calculation model skin.
6. a kind of automatic binding system of three dimensional biological model bone, which is characterized in that the system comprises：
Matching module：For obtaining the three dimensional biological model data pre-established, simultaneously using fetched data computation model volume
Match bone site；
Binding module：For being bound to corresponding joint in bone after positioning and model；
Covering module：Voxel information for calculating separately bone and model skin, according to the incidence relation between voxel information
Skin weight is distributed, covering is completed.
7. a kind of electronic equipment, which is characterized in that including at least one processor；
And the memory being connect at least one processor communication；
Wherein, the memory is stored with the instruction repertorie that can be executed by least one processor, described instruction program quilt
At least one processor executes, so that at least one processor is able to carry out as described in claim any one of 1-5
Method.
8. a kind of computer program product used in the automatic binding system of three dimensional biological model bone, which is characterized in that institute
It includes function module as claimed in claim 6 to state computer program product.
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| CN111445561A (en) * | 2020-03-25 | 2020-07-24 | 北京百度网讯科技有限公司 | Virtual object processing method, device, equipment and storage medium |
| CN112017295A (en) * | 2020-08-28 | 2020-12-01 | 重庆灵翎互娱科技有限公司 | Adjustable dynamic head model generation method, terminal and computer storage medium |
| CN112541969A (en) * | 2021-01-21 | 2021-03-23 | 深圳市桔子智能信息科技有限公司 | Dynamic transferring and binding method for three-dimensional human body model skeleton |
| CN112712578A (en) * | 2020-12-31 | 2021-04-27 | 魔珐(上海)信息科技有限公司 | Virtual character model creating method and device, electronic equipment and storage medium |
| CN113034691A (en) * | 2021-03-22 | 2021-06-25 | 广州虎牙科技有限公司 | Skeleton binding method and device of human body model and electronic equipment |
| WO2021155686A1 (en) * | 2020-02-04 | 2021-08-12 | 腾讯科技（深圳）有限公司 | Animation production method and apparatus, computing device, and storage medium |
| CN113658305A (en) * | 2021-07-19 | 2021-11-16 | 广州虎牙科技有限公司 | Skinning method, skinning device, skinning equipment and computer-readable storage medium for three-dimensional model |
| CN113805532A (en) * | 2021-08-26 | 2021-12-17 | 福建天泉教育科技有限公司 | Method and terminal for making physical robot action |
| WO2022252674A1 (en) * | 2021-06-01 | 2022-12-08 | 北京百度网讯科技有限公司 | Method and apparatus for generating drivable 3d character, electronic device and storage medium |
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| CN111445561B (en) * | 2020-03-25 | 2023-11-17 | 北京百度网讯科技有限公司 | Virtual object processing method, device, equipment and storage medium |
| CN112017295A (en) * | 2020-08-28 | 2020-12-01 | 重庆灵翎互娱科技有限公司 | Adjustable dynamic head model generation method, terminal and computer storage medium |
| CN112017295B (en) * | 2020-08-28 | 2024-02-09 | 重庆灵翎互娱科技有限公司 | Adjustable dynamic head model generation method, terminal and computer storage medium |
| CN112712578B (en) * | 2020-12-31 | 2022-09-27 | 魔珐(上海)信息科技有限公司 | Virtual character model creating method and device, electronic equipment and storage medium |
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| CN112541969A (en) * | 2021-01-21 | 2021-03-23 | 深圳市桔子智能信息科技有限公司 | Dynamic transferring and binding method for three-dimensional human body model skeleton |
| CN113034691A (en) * | 2021-03-22 | 2021-06-25 | 广州虎牙科技有限公司 | Skeleton binding method and device of human body model and electronic equipment |
| WO2022252674A1 (en) * | 2021-06-01 | 2022-12-08 | 北京百度网讯科技有限公司 | Method and apparatus for generating drivable 3d character, electronic device and storage medium |
| CN113658305A (en) * | 2021-07-19 | 2021-11-16 | 广州虎牙科技有限公司 | Skinning method, skinning device, skinning equipment and computer-readable storage medium for three-dimensional model |
| CN113805532A (en) * | 2021-08-26 | 2021-12-17 | 福建天泉教育科技有限公司 | Method and terminal for making physical robot action |
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Application publication date: 20180928 |