Coupling between Meshless FEM Modeling and Rendering on GPU for Real-time Physically-based Volumetric Deformation

Coupling between Meshless FEM Modeling and Rendering on GPU for Real-time Physically-based Volumetric Deformation

For real-time rendering of physically-based volumetric deformation, a meshless finite element method (FEM) is proposed and implemented on the new-generation Graphics Processing Unit (GPU). A tightly coupled deformation and rendering pipeline is defined for seamless modeling and rendering: First, the...

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Bibliographic Details
Main Authors: Movania, Muhammad Mobeen, Lin, Feng, Qian, Kemao, Chiew, Wei Ming, Seah, Hock Soon
Other Authors: School of Computer Engineering
Format: Article
Language:English
Published: 2016
Subjects:
Physically based deformation
GPU transform feedback
Volume rendering
Volumetric deformation
Finite element method
Meshless model
Online Access:https://hdl.handle.net/10356/81925
http://hdl.handle.net/10220/39707
http://wscg.zcu.cz/DL/wscg_DL.htm
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Institution: Nanyang Technological University
Language: English
Description
Summary:For real-time rendering of physically-based volumetric deformation, a meshless finite element method (FEM) is proposed and implemented on the new-generation Graphics Processing Unit (GPU). A tightly coupled deformation and rendering pipeline is defined for seamless modeling and rendering: First, the meshless FEM model exploits the vertex shader stage and the transform feedback mechanism of the modern GPU; and secondly, the hardware-based projected tetrahedra (HAPT) algorithm is used for the volume rendering on the GPU. A remarkable feature of the new algorithm is that CPU readback is avoided in the entire deformation modeling and rendering pipeline. Convincing experimental results are presented.

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