Multi-layer pyramidal displacement mapping. - Youngjae Chun; Kyoungsu Oh; Haedong Kim (VRCAI, 2008)

Multiple Layer Displacement Mapping with Lossless Image Compression. - Youngjae Chun; Sunyong Park; Kyoungsu Oh (Edutainment, 2010)

Image mosaic using Log-polar binning. - Le Thanh Hoan; Youngjae Chun; Kyoungsu Oh (ACPR, 2011)

An Efficient Soft Shadow Mapping for Area Lights in Various Shapes and Colors. - Youngjae Chun; Kyoungsu Oh (IEICE Trans. Inf. Syst., 2017)