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  4. New corner detection algorithm by tangent and vertical axes and case table
 
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New corner detection algorithm by tangent and vertical axes and case table

Journal
Proceedings - International Conference on Image Processing, ICIP
Journal Volume
1
Pages
365-368
Date Issued
2005-09
Author(s)
SOO-CHANG PEI  
JIAN-JIUN DING  
DOI
10.1109/ICIP.2005.1529763
URI
http://scholars.lib.ntu.edu.tw/handle/123456789/317599
https://www.scopus.com/inward/record.uri?eid=2-s2.0-33749590646&doi=10.1109%2fICIP.2005.1529763&partnerID=40&md5=7b7aa013162cc1c7a0e70b69f1375fca
Abstract
In this paper, we introduce a new algorithm for corner detection. Instead of calculating the gradients along x and y-axes, which is the common step of many existed algorithms, we use the sum of differences to observe the variations along the adaptive vertical and tangent axes. We classify the variations into 36 types and use the 'case table' to determine whether a pixel is a corner. We do some experiments and show that our algorithm can detect almost all the corners of a complicated natural image (such as Lena image and Fruit image) successfully. In addition to comer detection, it is also possible to use our algorithm to detect the edges, ridges, valleys, isolated dots, saddles, and plain regions of a natural image. © 2005 IEEE.
Other Subjects
Corner detection algorithms; Natural images; Tangent axes; Adaptive control systems; Algorithms; Image analysis; Edge detection
Type
conference paper
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