[1] [1] Ames A L, Nadeau D R, Moreland J L. VRML 2.0 Sourcebook, New York: John Wiley & Sons, Inc. 1997.

[2] [2] Srinivasan V, Liu H C, Halioua M. Automated phase measuring profilometry of 3-D diffuse objects. Appl. Opt., 1984, 23(18):3105～3108

[4] [4] Grasso D N. Applications of the HIS color transformation for 1:2400-scale geologic mapping: A low cost spot alternative. Photogrammetric Engineering & Romote Sensing, 1993, 59(1):73～80