A novel color mapping method for preferred color reproduction. - Kyeong-Man Kim; Hyung-Soo Ohk; Sang Ho Kim; Don-Chul Choi (Color Imaging: Processing, Hardcopy, and Applications, 2007)

Removal of blocking and ringing artifacts in JPEG-coded images. - Ekaterina V. Tolstaya; Michael N. Rychagov; Sang Ho Kim; Don-Chul Choi (Digital Photography, 2010)

A restoration method for distorted image scanned from a bound book. - Hyung-Soo Ohk; Hyunseok Seo; KiMin Kang; Sang Ho Kim; Don-Chul Choi (Color Imaging: Displaying, Processing, Hardcopy, and Applications, 2011)

Fast approach for toner saving. - Ilia V. Safonov; Ilya Kurilin; Michael N. Rychagov; Hokeun Lee; Sang Ho Kim; Don-Chul Choi (Color Imaging: Displaying, Processing, Hardcopy, and Applications, 2011)

Bio-inspired color sketch for eco-friendly printing. - Ilia V. Safonov; Ekaterina V. Tolstaya; Michael N. Rychagov; Hokeun Lee; Sang Ho Kim; Don-Chul Choi (Color Imaging: Displaying, Processing, Hardcopy, and Applications, 2012)

Generation of PDF with vector symbols from scanned document. - Ilya Kurilin; Ilia V. Safonov; Michael N. Rychagov; Hokeun Lee; Sang Ho Kim; Don-Chul Choi (IQSP, 2013)