116 results about "Skeletal animation" patented technology

The invention discloses an implementation method of skinned skeletal animation. The implementation method comprises the following steps: A, constructing a skeleton model and a skinned mesh model which constitute a role model; B, determining a skeleton which influences the mesh vertexes on the skinned mesh model, and determining the influence weight according to a geometrical relationship and a physical relationship between the skeleton and the vertexes; C, carrying out calculus of interpolation between each two adjacent key frames according to a key frame sequence of skeleton movement, which is stored in a role model file, and determining new position and new orientation of each skeleton at certain moment; and D, calculating new position and new orientation of each vertex under a world coordinate system according to skeleton index and corresponding influence weight which influence each vertex and are stored in each vertex on the skinned mesh model, and thus achieving skinned skeleton animation. According to the implementation method disclosed by the invention, the joint problem in skeletal animation is solved, the effect is real and vivid, and is more flexible compared with that of vertex animation, and little memory space is occupied while a favorable animation effect is finished; the skinned skeletal animation can be constructed more easily and rapidly.

The present invention discloses a method of surveillance comprising the steps of matching skeletal animation data representative of recorded motion to a pre-defined animation. The pre-defined animation is associated with a risk value. An end-user is also provided with at least the recorded motion as well as a risk value. The method may be carried out in real time and the skeletal animation data may be three-dimensional.

The technical scheme of the invention provides a game dress-up system and a game dress-up method. The game dress-up method comprises the following steps: saving a game role body part and to-be-dressed information, and establishing a corresponding null object role; acquiring command information, a data table of to-be-dressed body part of the game role, and calling information of a corresponding to-be-dressed body part under a storage path of the data table; traversing the game role body part information, acquiring a game role part model mesh, a part model skeleton list and a part model map, and performing merging; and rendering the null object role by using a skin mesh renderer. The game dress-up system and method have the beneficial effects that the drawing efficiency can be improved by adopting a skin mesh renderer after mesh merging; and the number of drawcall can be reduced after materials are merged, so that the dress-up efficiency is improved, and application and extension of skeletal animation are conveniently combined.

The embodiment of the invention discloses a method and apparatus for synthetizing animations in videos in real time. The method and apparatus are applied to videos which are acquired in real time. The method includes the following steps that: action data and action coordinates which are acquired in real time by action capture equipment as well as face data and face coordinates which are acquired in real time by face capture equipment are obtained, and a skeleton model and a face model are generated in a target region in a virtual area; a virtual camera keeps synchronous with a main camera, so that skeleton animations which are generated by the skeleton model in the virtual area according to the action data and face animations generated according to the face data are obtained; the skeleton animations and the face animations of the face model are extracted from a rendering engine, and synthetic video data can be obtained through the animation data of the skeleton animations and the face animations which are synthetized in real time by a 3D coordinate system in video data, and the synthetic video data are outputted in real time. With the method and apparatus of the invention adopted, the animations can be synthetized in the videos in real time, and existing video visual communication requirements can be satisfied.

The disclosure provides a virtual object motion control method and apparatus. A virtual object comprises a plurality of associated virtual articles. The control method comprises steps of: analogically calculating the motion parameters of the virtual articles in the virtual object by a physical engine when predetermined actions are performed; creating a skeleton structure comprising a plurality of skeletal structures, each of the skeletal structures wrapping the virtual articles; assigning, to the corresponding skeletal structures, the analogically calculated motion parameters of the virtual articles to be used as motion parameters of the skeletal structures performing the predetermined actions. The virtual object motion control method and apparatus enable the skeletal animation to have a more realistic physical effect and improve the production efficiency of skeletal animation.

The invention relates to the technical field of computer graphics, in particular to a skeletal animation implementation method. The skeletal animation implementation method is based on the secondary extraction of skeletal animation of virtual skeletons, is used for unifying the skeletal animation of different skeletons to realize the purpose of reuse, and reuses the skeletal animation to the most extent by partitioning virtual points according to kinematics logic. Most of the reuse adopts the storage mode of virtual skeletons; and by constructing a set of standard virtual skeletons, the skeletal animation data link and reuse of different skeletons are realized. The reuse ratio of skeletal animation is increased, and the memory space required by the skeletal animation is reduced.

The invention relates to a method and a system for realizing local real-time movement of a role model. The method comprises steps: an end point where a dummy skeleton is connected with other skeletons serves as a first particle and the other end point serves as a second particle, wherein the dummy skeleton is added to a local part in need of movement and is provided with a skeleton skin; during a role movement process, the position of the second particle is calculated; and according to the position of the second particle, the dummy skeleton performs corresponding rotation. According to the method and the system for realizing local real-time movement of the role model, certain local parts of the role model can move naturally along with movement of the role model, the role model can present a more vivid animation performance effect, the role model does not rely on a physical engine of the third party and can be conveniently integrated in the existing skeletal animation making development process, and the workload of an art production person is greatly reduced.

The invention discloses a rendering processing method and device and mobile terminal equipment. The rendering processing method includes the following steps: enabling a vertex shader of a graphic processing unit (GPU) to acquire skeletal animation data that is pre-sampled by a central processing unit (CPU) from the texture in an offline mode; decoding pixel points in the acquired skeletal animation data into a transformation matrix to perform a vertex transformation operation; and performing GPU instantiation rendering according to the skeletal animation data subjected to the vertex transformation operation. According to the scheme provided by the invention, the smooth real-time rendering of large-scale crowds can be achieved on the mobile terminal equipment.

The invention relates to the technical field of computer graphics technology, and in particular relates to an optimization method of skeletal animation rendering, which comprises the following steps of: depending on a required water surface effect, making a corresponding Bump map by a graphic designer, for simulating a water surface height; by a vertex texture technology, disturbing on a grid height of a water surface in a vertex Shader, and reducing a calculation amount to the greatest extent through the Bump which reads a normal and a height, to achieve a real effect; meanwhile, aiming at the characteristic of comparatively serious consumption of the vertex texture filter, a height map is optimized and stored, so that the times of texture addressing is greatly reduced, and the water surface rendering depend on a normal map to implement illumination calculation because the normal map can faithfully represent all details under a high-frequency waveform. In addition, a low-frequency and high-amplitude wave is used for disturbing the water surface grid; and a water surface model is based on overlap of a plurality of height maps which are segmented on both space and time.

The invention provides a batch rendering method, device and system for skeletal animations and a storage medium, and the method comprises the steps: obtaining skeletal textures and vertex data of thesame batch of components to be rendered, the skeletal textures being floating point textures for storing skeletal matrixes of the same batch of components; Analyzing the vertex data to obtain component serial numbers corresponding to all vertexes respectively, wherein the component serial numbers are serial numbers of skeleton matrixes of all components in the same batch of components in skeletontextures; Reading a skeleton matrix corresponding to each vertex from the skeleton texture according to the component sequence number; And performing batch rendering on the same batch of components according to the vertex data and the read skeleton matrix. Therefore, dynamic batch combination of a plurality of models with different skeletal animations is realized, the number of batches is reduced,the number of Draw Call needed to be drawn by each frame is reduced, the problem of jamming caused by too much Draw Call is solved, the frame rate of a picture is improved, and the occupied time, theheating value and the energy consumption of a CPU are reduced.

The embodiment of the invention discloses a skeletal animation driving method. The method comprises the steps of when skeletal animation needs to be driven, obtaining a target posture of a main driving skeleton, determining the weights of the key postures of the affiliated skeletons corresponding to the main driving skeleton under different key postures, enabling the weights to reflect contribution values of the different key postures of the affiliated skeletons to deformation of the target posture driving role model, and fusing the key postures of the affiliated skeletons according to the weights to obtain incremental postures of the affiliated skeletons. Due to the fact that the key postures of the affiliated skeletons enable the deformation of the role model to meet the preset requirements under the key postures of the corresponding main driving skeletons, the target role model obtained by driving the role model to deform according to the incremental postures meets the preset requirements. The method does not need to make a new role model, does not need to increase the workload of a modeler, and reduces the complexity of a production process. Compared with a newly-added role model, the additional data volume brought by the affiliated skeleton can be ignored, the occupation amount of the storage space is greatly reduced, and the software operation experience is improved.

The invention relates to the field of computer graphic processing and provides a motion capture data presentation method and device based on multi-Kinect and UE4. The invention aims to solve the problems that a capture range is limited and a model skeleton structure and articulation point quantity are limited in animation display of motion capture data of kinect. The specific implementation mode of the method comprises the following steps: receiving skeleton data captured by a plurality of pieces of kinect, and calibrating human body skeleton data according to a preset coordinate transformation matrix to acquire coordinate data of each piece of human body skeleton data under a reference coordinate system to serve as reference skeleton data; performing weighted average processing to acquirean average skeleton of a person; transforming the average skeleton into role model data corresponding to a role model in a UE4 graphic program through a preset mapping relationship; according to theangle model data, using a UE4 engine to perform skeleton animation exhibition. The capture range is enlarged in the human body skeleton animation exhibition process; the skeleton structure and the articulation point quantity of a 3D model in the UE4 are not limited.

The invention relates to a system and method for generating physiological restriction of skeletal joints of cartoon characters. The system comprises a skeletal animation producing module, a skeletal animation screening module, a skeletal animation analyzing module and a skeletal joint restricting database, wherein the skeletal animation producing module is used for producing each animation and generating a skeletal animation library; the skeletal animation screening module is used for screening animation in the skeletal animation library to form a selective skeletal animation library; the skeletal animation analyzing module is used for traversing the selective skeletal animation library, incrementally adding the range of activity of each joint and generating the restricted data of each joint; and the skeletal joint restricting database is used for recording the restriction information of each skeletal joint. The method has the following beneficial effects: (1) the method has the characteristic of automation; an action library responding to the body type can be generated in the presence of sufficient skeletal animation libraries (the condition is easy to satisfy for many companies with many animation industries) without manual intervention; and (2) the method has the characteristics of extensibility and incremental improvement; as the skeletal animation entering into the library has more action types and better quality, the generated restriction of skeletal joints is more comprehensive and the effect is better.

The invention discloses a skeletal animation key frame compression method, which comprises the following steps of: reading the content of an animation file, and generating a skeletal node tree of eachthree-dimensional model in the animation file;counting the number of the indirect progenies of each node, and sorting the nodes of the skeleton node tree from large to small according to the number of the indirect progenies of each node to form a skeleton node sequence; distributing corresponding error thresholds for the nodes in the skeleton node sequence from front to back according to a sequence from small to large; and comparing the error threshold value corresponding to each node with the distance between the animation frame and the skeleton parameter corresponding to each node in the adjacent front and back frames so as to retain or remove the nodes in the animation frame to form a compressed animation file. The invention further discloses a corresponding skeletal animation key frame compression device. The method and the device have the beneficial effects that the key frame density of the tail end skeleton nodes is specifically compressed, so that the distribution cost of gamesoftware or video animations and the like is reduced on the premise of ensuring the overall quality of the animations.

The invention discloses a skeletal animation data processing method and device. The skeletal animation data processing method comprises the following steps: a first skeletal animation data set and a second skeletal animation data set of a game character are acquired, wherein the first skeletal animation data set corresponds to an initial state of the game character, and the second skeletal animation data set corresponds to a to-be-switched state of the game character; the first skeletal animation data set and the second skeletal animation data set are adjusted synchronously in preset duration, and to-be-output animation is determined. The method solves the technical problems that game pictures are disharmonious and user experience is affected due to the fact that sudden change of animation is produced easily when the game character is switched between different states in related technology.

The invention discloses an animation generation method. The method comprises the steps of obtaining a target animation model and an animation file; obtaining a coordinate map and a normal map according to the target animation model and the animation file; according to the coordinate map and the normal map, creating an animation material corresponding to the target animation model; when an interface corresponding to the dynamic parameter is called, obtaining a particle parameter set for the target animation model through a particle editor; and generating an animation rendering file set according to the target animation model, the coordinate map, the normal map, the animation material and the particle parameters. The invention also discloses an animation playing method and device, the animation rendering file set can be generated based on the same target animation model, and the animation rendering file set can enable the particle cluster to simulate the motion postures of a plurality ofanimation roles, thereby getting rid of the constraint of a conventional skeletal animation, and improving the animation production efficiency.

The invention provides a skeleton animation vertex correction method and a model learning method, device and apparatus. The method comprises the steps of collecting the whole body images and posture data of various motions including T-shaped postures of different people, and obtaining the model training data, wherein the model training data comprises the posture data P and Pm of a standard 3D mesh model, the coordinates Gr of N vertexes, N vertex coordinates T and n joint point coordinates J of a T-shaped posture 3D mesh model; constructing and training a joint position prediction model, constructing a postures regression network model and a skeleton animation vertex correction model comprising a standard skin function, the trained joint position prediction model and the postures regression network model, and training. The skeleton animation vertex correction model provided by the invention can compensate and correct the unreasonable deformation generated on the original skin surface in the movement process of a character role, so that the character role looks vivid and natural, the animation quality is improved, the workload of an animator is reduced, and the time spent on making animations with the same quality is shorter.

The invention relates to the technical field of computer images and particularly relates to an optimization method for skeletal animation rendering. According to initial data of skeletal animation, the skeletal matrix calculation is conducted off line, the standard frame is 30 frames, the example technology and new characteristics of top point access texture of a Shader 3.0 standard are applied, the principle of skeletal animation is combined and the skeletal animation batch rendering problem is solved.

The invention discloses an animation data processing method, a nonvolatile storage medium and an electronic device. The method comprises the steps of acquiring target motion description information of a target virtual character model, wherein the target motion description information records position information of key node skeletons of a character skeleton of the target virtual character model in each frame of character animation, and the key node skeletons are partial skeletons in complete skeletons of the character skeleton; inputting the target motion description information into a target neural network model corresponding to the target virtual character model to obtain target animation data of the target virtual character model; and driving the target virtual character model to execute a corresponding action according to the target animation data. According to the method, the technical problems that the skeleton animation used in the game scene provided in the related art not only needs to consume relatively long loading time, but also needs to occupy too much memory are solved.