AM-FM hybrid color screen design to reduce brightness variation. - Byongmin Kang; Byong Tae Ryu; Choon-Woo Kim; Sang Ho Kim (Color Imaging: Processing, Hardcopy, and Applications, 2006)

Resolution enhancement techniques for halftoned images. - Byong Tae Ryu; Jong Ok Lee; Choon-Woo Kim; Hokeun Lee; Sang Ho Kim (Color Imaging: Processing, Hardcopy, and Applications, 2007)

Extraction of memory colors for preferred color correction in digital TVs. - Byong Tae Ryu; Jee Young Yeom; Choon-Woo Kim; Ji Young Ahn; Dong-Woo Kang; Hyun-Ho Shin (Color Imaging: Displaying, Processing, Hardcopy, and Applications, 2009)

Optimum memory color extraction for digital TVs based on genetic algorithm. - Byong Tae Ryu; Choon-Woo Kim (IEEE Trans. Consumer Electron., 2011)