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Proceedings Paper

Registration of infrared and visual images based on phase grouping and mutual information of gradient orientation
Author(s): Zhilong Zhang; Guopeng Yang; Dong Chen; Jicheng Li; Weiping Yang
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Paper Abstract

This paper presents a novel infrared and visual image registration method based on phase grouping and mutual information of gradient orientation. The method is specially designed for infrared image navigation, which is different from familiar multi-sensor image registration methods in the field of remote sensing. The central idea is to firstly extract common salient structural features from visual and infrared images through phase grouping, then registering infrared image to visual image and estimating the exterior parameters of the infrared camera. Two subjects are involved in this reports: (1) In order to estimate image gradient orientation accurately, a new method based on Leguerre-Gauss filter is presented. Then the image are segmented by grouping of pixels based on their gradient orientations and ling support regions are extracted as common salient structural features from infrared and visual images of the same ground scene. (2)In order for registering infrared and visual image, coordinate systems are constructed, coordinate transformations are formularized, and the new similarity measures based on orientation mutual information is presented. Quantitative evaluations on real and simulated image data reviews that the proposed method can provide registration results with improved robustness and accuracy.

Paper Details

Date Published: 29 April 2016
PDF: 20 pages
Proc. SPIE 9899, Optical Sensing and Detection IV, 98991W (29 April 2016); doi: 10.1117/12.2223359
Show Author Affiliations
Zhilong Zhang, National Univ. of Defense Technology (China)
Guopeng Yang, Institute of Electrics (China)
Dong Chen, Institute of Electrics (China)
Jicheng Li, National Univ. of Defense Technology (China)
Weiping Yang, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 9899:
Optical Sensing and Detection IV
Francis Berghmans; Anna G. Mignani, Editor(s)

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