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3783271 | Abott et al. | Jan 1974 | |
4786164 | Kawata | Nov 1988 | |
4931937 | Kakinami et al. | Jun 1990 | |
4948246 | Sigematsu | Aug 1990 | |
4988189 | Kroupa et al. | Jan 1991 | |
5014200 | Chundrlik et al. | May 1991 | |
5039217 | Maekawa et al. | Aug 1991 | |
5053979 | Etoh | Oct 1991 | |
5166681 | Bottesch et al. | Nov 1992 |
Number | Date | Country |
---|---|---|
63-129212 | Jan 1988 | JPX |
Entry |
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"Advanced Mathematics For Engineers," Wilfred Kaplan, Addison-Wesley Publishing, Dec. 1981, pp. 5-8 & 782-788. |
"Traffic Spatial Measurements Using Video Image Processing," S. Beucher, et al., SPIE vol. 848, Intelligent Robots and Computer Vision, Dec. 1987. |