[1]  Bingo Wing-Kuen Ling and Peter Kwong-Shun Tam," Edge detection using fuzzy switch," SPIE Symposium¾Image Processing: Algorithms and Systems,pp.323-333, January, 2002. (San Jose, U.S.A.)  

[2]  Bingo Wing-Kuen Ling and Peter Kwong-Shun Tam," Closed boundary extraction of cancer cells using fuzzy edge linking technique," SPIE Symposium¾Image Processing: Algorithms and Systems, pp. 43-54, January, 2002. (San Jose, U.S.A.)