A Novel High Accuracy Sub-Pixel Corner Detection Algorithm for Camera Calibration


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This paper presents a novel sub-pixel corner detection algorithm for camera calibration. In order to achieve high accuracy and robust performance, the pixel level candidate regions are firstly identified by Harris detector. Within these regions, the center of gravity (COG) method is used to gain sub-pixel corner detection. Instead of using the intensity value of the regions, we propose to use corner response function (CRF) as the distribution of the weights of COG. The results of camera calibration experiments show that the proposed algorithm is more accurate and robust than traditional COG sub-pixel corner detection methods.



Edited by:

Prasad Yarlagadda and Yun-Hae Kim






F. J. Yu et al., "A Novel High Accuracy Sub-Pixel Corner Detection Algorithm for Camera Calibration", Applied Mechanics and Materials, Vols. 239-240, pp. 713-716, 2013

Online since:

December 2012




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