Abstract
Segmenting the touching objects in an image has been remaining as a hot subject due to the problematic complexities, and a vast number of algorithms designed to tackle this issue have come into being since a decade ago. In this paper, a new granule segmentation algorithm is developed using saddle point as the cutting point. The image is binarized and then sequentially eroded to form a gray-scale topographic counterpart, followed by using Hessian matrix computation to search for the saddle point. The segmentation is performed by cutting through the saddle point and along the maximal gradient path on the topographic surface. The results of the algorithm test on the given real images indicate certain superiorities in both the segmenting robustness and execution time to the referenced methods.
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Funded by Ningbo Natural Science Foundation (No.2006A610016), and Foundation of the Ministry of Education Ministry for Returned Overseas Students & Scholars (SRF for ROCS, SEM. No.2006699).
Communication author: Chen Ken, born in 1962, male, Ph.D., Associate Professor.
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Chen, K., Wang, Y. & Yang, R. Hessian matrix based saddle point detection for granules segmentation in 2D image. J. Electron.(China) 25, 728–736 (2008). https://doi.org/10.1007/s11767-008-0038-3
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DOI: https://doi.org/10.1007/s11767-008-0038-3