Constant Resolution Omnidirectional Cameras

  • Authors:
  • José Gaspar;Cláudia Deccó;Jun Okamoto Jr.;José Santos-Victor

  • Affiliations:
  • -;-;-;-

  • Venue:
  • OMNIVIS '02 Proceedings of the Third Workshop on Omnidirectional Vision
  • Year:
  • 2002

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Abstract

In this paper we present a general methodology for designing mirrors ofcatadioptric omnidirectional sensors encompassing linear projectionproperties, the so called constant resolution cameras. The linearity isstatedbetween 3D distances (or angles) and pixel coordinates.We include three practical cases of interest of linear constraints for bothstandard (cartesian pixel distribution) and log-polar cameras: constantvertical, horizontal and angular resolution.Finally, the formulation is applied in designing a camera combining some ofthe presented practical cases. Resulting images show that the design wassuccessful as the desired linear properties were obtained.