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Title: An analysis and implementation of the harris corner detector
Authors: Sánchez, Javier 
Monzón, Nelson 
Salgado De La Nuez, Agustín 
UNESCO Clasification: 220990 Tratamiento digital. Imágenes
Keywords: Harris corner
feature detector
Interest point
Autocorrelation matrix
Non-maximum suppression
Issue Date: 2018
Journal: Image Processing On Line 
Abstract: In this work, we present an implementation and thorough study of the Harris corner detector. This feature detector relies on the analysis of the eigenvalues of the autocorrelation matrix. The algorithm comprises seven steps, including several measures for the classification of corners, a generic non-maximum suppression method for selecting interest points, and the possibility to obtain the corners position with subpixel accuracy. We study each step in detail and propose several alternatives for improving the precision and speed. The experiments analyze the repeatability rate of the detector using different types of transformations.
ISSN: 2105-1232
DOI: 10.5201/ipol.2018.229
Source: Image Processing On Line, v. 8, p. 305-328
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