Real-time wide-angle image correction system and method for...

Details Real-time wide-angle image correction system and method for... Real-time wide-angle image correction system and method for...

2006-08-29

2006-08-29

Patel, Kanjibhai (Department: 2624)

Image analysis

Image transformation or preprocessing

C382S275000, C345S660000, C348S207990

Reexamination Certificate

active

07099521

ABSTRACT:
The present invention includes a real-time wide-angle image correction system and a method for alleviating distortion and perception problems in images captured by wide-angle cameras. In general, the real-time wide-angle image correction method generates warp table from pixel coordinates of a wide-angle image and applies the warp table to the wide-angle image to create a corrected wide-angle image. The corrections are performed using a parametric class of warping functions that include Spatially Varying Uniform (SVU) scaling functions. The SVU scaling functions and scaling factors are used to perform vertical scaling and horizontal scaling on the wide-angle image pixel coordinates. A horizontal distortion correction is performed using the SVU scaling functions at and at least two different scaling factors. This processing generates a warp table that can be applied to the wide-angle image to yield the corrected wide-angle image.

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