| 2005 | KES | Video Rate Control Using an Adaptive Quantization Based on a Combined Activity Measure. | Si-Woong Lee, Sung-Hoon Hong, Jae-Gark Choi, Yun-Ho Ko, Byoung-Ju Yun |
| 2004 | IWCIA | A Study on Supervised Classification of Remote Sensing Satellite Image by Bayesian Algorithm Using Average Fuzzy Intracluster Distance. | Young-Joon Jeon, Jae-Gark Choi, Jin-il Kim |
| 2004 | KES | A Fast Motion Estimation Using Prediction of Motion Estimation Error. | Hyun Soo Kang, Seong-Mo Park, Si-Woong Lee, Jae-Gark Choi, Byoung-Ju Yun |
| 2004 | KES | A New Vertex Selection Scheme Using Curvature Information. | Byoung-Ju Yun, Si-Woong Lee, Jae-Soo Cho, Jae-Gark Choi, Hyun Soo Kang |
| 2003 | IWDW | RST-Resistant Image Watermarking Using Invariant Centroid and Reordered Fourier-Mellin Transform. | Bum-Soo Kim, Jae-Gark Choi, Kil-Houm Park |
| 2003 | IWDW | Normalization Domain Watermarking Method Based on Pattern Extraction. | Si-Woong Lee, Jae-Gark Choi, Hyun Soo Kang, Jin Woo Hong, Hyoung Joong Kim |
| 2002 | IWDW | Image Normalization Using Invariant Centroid for RST Invariant Digital Image Watermarking. | Bum-Soo Kim, Jae-Gark Choi, Kil-Houm Park |
| 1997 | ICASSP | Video segmentation based on spatial and temporal information. | Jae-Gark Choi, Si-Woong Lee, Seong-Dae Kim |
| 1995 | ICASSP | Segmentation and motion estimation of moving objects for object-oriented analysis-synthesis coding. | Jae-Gark Choi, Si-Woong Lee, Seong-Dae Kim |