A Method of Features Extraction Based on Fisheye Image

Bao Feng Zhang; Ying Kui Jiao; Zhi Jun Ma; Yong Chen Li; Jun Chao Zhu

doi:10.4028/www.scientific.net/AMM.668-669.1029

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 668-669A Method of Features Extraction Based on Fisheye...

A Method of Features Extraction Based on Fisheye Image

Abstract:

In this paper, feature extraction algorithm based on spherical perspective projection model for the matching fisheye image is proposed. The fisheye image is mapped to the image plane through spherical mapping. Then the diffusion equation is formed by convolution of the image projection and spherical Gaussian function. The feature points of image are extracted based on the SIFT at the scale of spherical correlation function. Compared with SURF(Speeded Up Robust Features), more feature points in a shorter time are obtained.

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Periodical:

Applied Mechanics and Materials (Volumes 668-669)

Pages:

1029-1032

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.668-669.1029

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Online since:

October 2014

Authors:

Bao Feng Zhang*, Ying Kui Jiao, Zhi Jun Ma, Yong Chen Li, Jun Chao Zhu

Keywords:

Feature Points, Fisheye Image, Spherical Gaussian Functions, Spherical Projection

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