Pei, Soo-ChangSoo-ChangPeiDing, Jian-JiunJian-JiunDing2007-04-192018-07-062007-04-192018-07-062003http://scholars.lib.ntu.edu.tw/handle/123456789/304079http://ntur.lib.ntu.edu.tw/bitstream/246246/200704191002997/1/01199484.pdfThe generalized redial Hilbert transform and its applications to 2-D edge detection (any direction or specified directions)conference paper10.1109/icassp.2003.1199484http://ntur.lib.ntu.edu.tw/bitstream/246246/200704191002997/1/01199484.pdf