Image providing method and device

Details Image providing method and device Image providing method and device

2005-02-10

2009-08-04

Philippe, Gims S (Department: 2621)

Television

Panoramic

C359S664000

Reexamination Certificate

active

07570280

ABSTRACT:
Visual-field information including information on sight-line direction (theta, phi) and on field angle (gamma) in visual-field area of input fish-eye image is input in real-time. From the input visual-field information, a drawing area of a plane is calculated in real-time that is orthogonal to the sight-line direction and has an extent determined by the field angle. A pixel position in the fish-eye image that corresponds to each pixel position in the calculated drawing area is determined. This forms in real-time a dewarped image from the fish-eye image with its distortion removed.

REFERENCES:
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patent: 6115480 (2000-09-01), Washizawa
patent: 2002/0049532 (2002-04-01), Nakamura
patent: 3051173 (2000-03-01), None
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patent: WO 92/21208 (1992-11-01), None
patent: WO 97/05741 (1997-02-01), None
patent: WO 03/010599 (2003-02-01), None

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