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A Robust Visible and Infrared Image Matching Algorithm for Power Equipment Based on Phase Congruency and Scale-invariant Feature by Zhengbing Wang; Xugang Feng; Guili Xu; Yuxiu Wu is a Engineering article available to read on EtoBox.

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Dense and accurate matching for visible and infrared images of power equipment is crucial to intelligent diagnosis system of power grid, but existing matching methods usually fail in aligning visible and infrared image pairs because of significant intensity, resolution and viewpoint differences. In this paper, we propose a matching algorithm based on phase congruency and scale-invariant feature to address this problem. The proposed method consists of four steps. First, the maximum moment map of phase congruency of input image is computed based on phase congruency theory, which is then used to enhance the raw image. Second, Canny operator and contour tracking method are employed to detect image contours and scale-invariant feature points are extracted by the curvature scale space (CSS) corner detector. Third, the novel histogram of phase congruency orientation (HPCO) descriptors based on phase congruency information are computed for all feature points. Finally, a set of preliminary matches is obtained by the bidirectional matching, and refinement procedures are implemented to achieve dense and accurate matching results. We conduct the experiments on public available dataset. Experim

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Author

Zhengbing Wang; Xugang Feng; Guili Xu; Yuxiu Wu

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)