A new scheme for extraction of affine invariant descriptor and affine motion estimation based on independent component analysis

Authors:
Xuming Huang;Bin Wang;Liming Zhang
Affiliations:
Department of Electronics Engineering, Fudan University, No. 220, Handan Road, Shanghai 200433, China;Department of Electronics Engineering, Fudan University, No. 220, Handan Road, Shanghai 200433, China;Department of Electronics Engineering, Fudan University, No. 220, Handan Road, Shanghai 200433, China
Venue:
Pattern Recognition Letters
Year:
2005

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Abstract

This paper proposes a new scheme based on independent component analysis (ICA) for object recognition with affine transformation and for affine motion estimation between video frames. For different affine shapes of a recognized object, an invariant descriptor can be extracted by ICA, and it can solve some object recognition problems. This method also can be used to estimate the affine motion between two frames, which is important in high compression rate coding such as MPEG4 or MPEG7 standard. Simulation results show that the proposed method has a better performance than other traditional methods in pattern recognition and affine motion estimation.