An improved approach for design of the catadioptric omnidirectional camera with horizontal scene
undistorted imaging is described. In the proposed approach, the influence of the lens distortion on the
imaging quality of the omnidirectional camera is taken into account. We establish a radial distortion
model for an image pickup lens and retain some opposite distortion in the mirror to correct the distortion
existing in the image pickup lens. A horizontal scene undistorted catadioptric omnidirectional camera is
designed with an off-the-shelf TV short focus lens using our approach; the numerical simulation
shows that the distortion introduced by the imaging lens is eliminated effectively.
© 2006 Optical Society of America
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