Yupeng Zhang Philip W. Smith Robust and Efficient Detection of Non-Lint Material in Cotton Fiber Samples. 51-56 2002 conf/wacv/2002 WACV http://csdl.computer.org/comp/proceedings/wacv/2002/1858/00/18580051abs.htm db/conf/wacv/wacv2002.html#ZhangS02