A Real-Time Configurable Shader Based on Lookup Tables. - Eisaku Ohbuchi; Hiroshi Unno 004 (CW, 2002)

A Practical Image Retouching Method. - Vladimir V. Savchenko; Nikita Kojekine; Hiroshi Unno 004 (CW, 2002)

Possible Techniques for Three Dimensional Hatching. - Vladimir V. Savchenko; Hiroshi Unno 004; Nikita Kojekine (CW, 2002)