Iterative blocking artifact reduction using a minimum mean square error filter in wavelet domain. - Ick Hoon Jang; Nam Chul Kim; Hyun Joo So (Signal Process., 2003)

Face Detection Using Sketch Operators and Vertical Symmetry. - Hyun Joo So; Mi Hye Kim; Yun Su Chung; Nam Chul Kim (FQAS, 2006)

Texture classification using wavelet-domain BDIP and BVLC features. - Hyun Joo So; Mi Hye Kim; Nam Chul Kim (EUSIPCO, 2009)

Face recognition using local statistics of gradients and correlations. - Ying Ai Ju; Hyun Joo So; Nam Chul Kim; Mi Hye Kim (EUSIPCO, 2010)

Face recognition using multi-lag directional local correlations. - Nam Chul Kim; Ying Ai Ju; Hyun Joo So; Mi Hye Kim (ICME, 2011)

Directional statistical Gabor features for texture classification. - Nam Chul Kim; Hyun Joo So (Pattern Recognit. Lett., 2018)