3D Deformable Spatial Pyramid for Dense 3D Motion Flow of Deformable Object

Title
3D Deformable Spatial Pyramid for Dense 3D Motion Flow of Deformable Object
Authors
허준화임화섭안상철
Keywords
motion flow; deformable object
Issue Date
2014-12
Publisher
Lecture notes in computer science
Citation
VOL 8887, 118-127
Abstract
This paper presents an algorithm for nding the dense motion ow of deformable objects from RGB-D images. We introduce a 3D deformable spatial pyramid model by reformulating the previous 2D deformable spatial pyramid model [1] with depth information. Our algorithm recasts the problem of estimating 3D motion of deformable objects as a problem of estimating 2D motions of a set of grid cells where each pixel contains a viewpoint-invariant feature vector. These grid cells are controlled by a pyramid graph model. Our approach signi cantly reduces the computational cost through a 2D correspondence search and e fficiently handles even large deformations with the pyramid graph model. As demonstrated in the experimental results, the proposed algorithm shows robustness in various deformation scenarios.
URI
http://pubs.kist.re.kr/handle/201004/49108
ISSN
03029743
Appears in Collections:
KIST Publication > Article
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