Garment deformation method based on input human body posture real-time generation

A technology of clothing and posture, which is applied in the field of clothing deformation generated in real time based on input human posture, can solve the problems of large memory consumption, complicated simulation process, and inability to express human posture in real time, so as to reduce calculation and memory consumption and improve accuracy Effect

Inactive Publication Date: 2016-03-23
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0008] The purpose of the present invention is to solve the problems that the simulation process of clothing simulation and deformation simulation in the current virtual fitting system is complicated, the calculation amount of the

Method used

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  • Garment deformation method based on input human body posture real-time generation
  • Garment deformation method based on input human body posture real-time generation
  • Garment deformation method based on input human body posture real-time generation

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Embodiment Construction

[0036] Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail:

[0037] In the present invention, a clothing deformation algorithm generated in real time based on the input posture of the human body needs to first input a human body posture to be simulated for clothing deformation, such as figure 1 As shown, the input human pose is subjected to bone skinning processing, and then the bone skinned model is divided into many (a certain number) areas, and each area is subjected to separate clothing deformation processing, and finally the overall fitting is carried out for wearing The final clothing deformation is obtained after various clothing effects such as penetration are processed, and the specific implementation method is as follows:

[0038] Such as figure 1As shown, a real-time clothing deformation algorithm based on human input pose includes four processes: query input pose, skin processing, partitio...

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Abstract

The invention discloses a garment deformation method based on input human body posture real-time generation. The scheme relates to main algorithms including a skeleton driven sensitivity analysis algorithm, a hybrid garment algorithm based on sensitivity and a random optimization scheme based on a greedy algorithm so as to construct a garment instance database. The algorithm flow is listed as follows: after one input posture is given, skin calculation and processing are performed on a skeleton according to the skeleton driven analysis method so that a human body skin model is obtained and subdivided into multiple single areas; garment samples similar to the posture of each area of the skin model are inquired in the constructed garment database; deformation processing is performed on each garment sample; then fitting is performed on the garment sample by using the hybrid garment algorithm so that an initialized garment deformation effect is obtained; and the penetration and friction effect processing is performed on the initialized garment deformation sample so that the final garment deformation effect is obtained. With application of the method, the garment deformation simulation process can be optimized and the lifelike garment deformation effect can be obtained.

Description

technical field [0001] The invention belongs to the fields of visual and digital clothing design and computer graphics, and in particular relates to a clothing deformation method generated in real time based on input human body gestures. Background technique [0002] In the past 20 years, physics-based clothing simulation has become a hot research field in the field of computer graphics. Its main job is to build different models for different shapes of clothing deformation behavior. These measures include the buckling effect model, the nonlinear tensile stiffness model and the contact self-collision model. In addition to the thin shell model, Kaldor et al. proposed a cloth simulation method based on yarn and knitting. Because the high-resolution cloth mesh simulation will bring a huge amount of calculation, in order to make the simulation more effective, researchers introduce adaptive mesh for clothing simulation. The current clothing simulation begins with simulating co...

Claims

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Application Information

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IPC IPC(8): G06T19/00G06T17/00G06F17/50
CPCG06F30/367G06T17/205G06T19/00G06T2210/44G06T2219/2016G06T2219/2021
Inventor 耿曼钱国明王宇
Owner NANJING UNIV OF POSTS & TELECOMM
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