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Modeling representations of image patches that are quasi-invariant to spatial deformations is an important problem in computer vision. In this paper, we propose a novel concept, the texture trace, that allows sparse patch representations which are quasi-invariant to smooth deformations and robust against occlusions. We first propose a continuous domain model, the profile trace, which is a function...
In this paper, we propose a new method to approximate deforming models based on torsion detection. We propose the use of surface torsion to represent local features on the original model, and consider it as an additional weight factor when calculating the edge contraction cost during the simplification process. The approximations of the original deforming models are generated progressively from the...
In this paper, an algorithm for data points approximation with deformable models based on gradient vector flow is proposed. Firstly, the data points are projected onto an image plane to define the digital image composed of data points. The external force of data points is calculated as gradient vector flow. The kind of external force is a static force field, which calculated as a diffusion of the...
In computer graphics, investigation has been made in many years in mesh simplification to alleviate the workload of visualization processing. However, most of the simplification algorithms proposed focus on static meshes, and very little works are to deal with deforming surfaces. In this paper, we propose a novel method for generating progressive multiresolution models of deforming surfaces base on...
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