Number | Date | Country | Kind |
---|---|---|---|
9-087037 | Apr 1997 | JP |
Number | Name | Date | Kind |
---|---|---|---|
5485556 | Takagi et al. | Jan 1996 | |
5615320 | Lavendel | Mar 1997 | |
5631976 | Bolle et al. | May 1997 | |
5742520 | Uchikawa et al. | Apr 1998 | |
5777689 | Dunbar | Jul 1998 | |
5999185 | Kato et al. | Dec 1999 |
Number | Date | Country |
---|---|---|
0 817 469 A1 | Jan 1996 | EP |
Entry |
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(Foley, van Dam, et al; Computer Graphics: Principles & Practice, 2nd Ed.; Chapter 16, Illumination & Shading), 1990. |