Distortion-corrected image generation unit and...

Details Distortion-corrected image generation unit and... Distortion-corrected image generation unit and...

2011-06-21

2011-06-21

Ye, Lin (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S241000, C348S335000, C348S360000, C348S345000, C359S016000, C382S274000, C382S275000

Reexamination Certificate

active

07965325

ABSTRACT:
An internal parameter storage unit stores, in advance, a plurality of sets of internal parameters each of which can be applied to correct a pixel position in a direction from an image principal point, i.e., a plurality of sets of internal parameters for accommodating errors of different magnitudes that occur in individual directions from an image principal point. An internal parameter selection unit selects a set of internal parameters from the plurality of sets of internal parameters stored in advance on the basis of the direction of a pixel position to be corrected from the image principal point, and a distortion-corrected image generator corrects distortion on the basis of the selected set of internal parameters, so that, even when a surface of a lens is not exactly parallel to a surface of an image pickup device, distortion is corrected more accurately.

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patent: 2009/0046179 (2009-02-01), Aoyama et al.
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