What is the center of the image?Reg G. Willson, Steven A. Shafer|Journal of the Optical Society of America A|1994Cited by 119
<title>Obtaining accurate color images for machine-vision research</title>Carol L. Novak, Reg G. Willson, Steven A. Shafer|Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE|1990Cited by 38
Active lens control for high precision computer imagingReg G. Willson, Steven A. Shafer|Unknown|2002Cited by 36
<title>Perspective projection camera model for zoom lenses</title>Reg G. Willson, Steven A. Shafer|Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE|1994Cited by 26