Generation of training database using a noise model for OCR systems. - Do Yen; Soo-Hyung Kim; Sang-Cheol Park; Ha Le; Yanjuan Chen; Sun Hwa Jeong; In Seop Na (ICUIMC, 2012)

Image retrieval system using a decomposition of shape information. - Do Yen; Soo-Hyung Kim; In Seop Na (ISSPIT, 2012)

Image retrieval using wavelet transform and shape decomposition. - Do Yen; Soo-Hyung Kim; In Seop Na; Dae Wook Kang; Jin Hyung Kim (ICUIMC, 2013)