Affine Pattern Recognition using Log-Polar Transform

T. Nakata and Y. Bao (Japan)

Keywords

Object Recognition, LogPolar transform, Detection of Affine Parameter, Pattern matching, Computer Vision

Abstract

Log-Polar transform is mentioned as one of the models of the central-fovea visual sensor in a creature sight. Up to now, in the field of image recognition, Log-Polar transform is known widely and is especially used well in recognition of face images. However, since it is the recognition method eternal only to a scaling and a rotation, it mainly remains in application in a 2D space. In this paper, a new Log-Polar transform algorithm which can detect even affine transform parameters is proposed. By using this transform, the pat tern recognition within 3D space is possible.

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