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3-070474 | Mar 1991 | JPX |
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4835532 | Fant | May 1989 | |
4933864 | Evans, Jr. et al. | Jun 1990 | |
4994989 | Usami et al. | Feb 1991 | |
5046852 | Hametner et al. | Sep 1991 |
Number | Date | Country |
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0220461 | May 1987 | EPX |
61-267182 | Nov 1986 | JPX |
Entry |
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R. S. Weiss et al., "An error analysis for surface orientation from vanishing points", Proc. SPIE, vol. 974, 1988, pp. 187-194 (abstract only from INSPEC database). |
C. W. A. M. van Overveld, "Application of a perspective cursor as a 3D locator device", Computer-Aided Design, vol. 21, No. 10, Dec. 1989, pp. 619-629. |