Robust Entropy Based Voice Activity Detection Using Parameter Reconstruction in Noisy Environment. - Hagyong Han; Kwang-Seok Lee; Si-Young Koh; Kang-In Hur (J. Inform. and Commun. Convergence Engineering, 2003)

The Audio Signal Classification System Using Contents Based Analysis. - Kwang-Seok Lee; Young-Sub Kim; Hagyong Han; Kang-In Hur (J. Inform. and Commun. Convergence Engineering, 2007)

An Image Signal Processor for Ultra Small HDGrade Video Sensor with 3A in Camera Phones. - Won-Woo Jang; Joohyun Kim 005; Hagyong Han; Hoongee Yang; Bongsoon Kang (J. Inform. and Commun. Convergence Engineering, 2009)

Improvement of Ringing Artifact Reduction Using a K-Means Method for Color Moving Pictures. - Wonwoo Jang; Hagyong Han; Wontae Choi; Gidong Lee; Bongsoon Kang (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

New video enhancement preprocessor using the region-of-interest for the videoconferencing. - Homin Kwon; Hagyong Han; Sungmok Lee; Wontae Choi; Bongsoon Kang (IEEE Trans. Consumer Electron., 2010)

A Space-Variant Luminance Map based Color Image Enhancement. - Sungmok Lee; Homin Kwon; Hagyong Han; Gidong Lee; Bongsoon Kang (IEEE Trans. Consumer Electron., 2010)

An Effective Noise Estimator for Use in Noise Reduction. - Hagyong Han; Homin Kwon; Sungmok Lee; Gidong Lee; Bongsoon Kang (J. Inform. and Commun. Convergence Engineering, 2011)