2015년도 대한수학회 가을 연구발표회, 2015-10-25
2015년도 대한수학회 봄 연구발표회, 2015-04-25
KMS Fall Meeting 2011, 2011-10-21
2010 Global KMS International Congerence, 2010-10-22
2009 Joint Meeting of the KMS and the AMS, 2009-12-18
10th Workshop on Image Processing and Understanding, page. 259 - 265, 1998-01-14
8th Workshop on Image Processing and Understanding, page. 259 - 265, 1996-01-23