Image processing apparatus and imaging device

Details Image processing apparatus and imaging device Image processing apparatus and imaging device

2007-03-23

2010-11-16

Kassa, Yosef (Department: 2624)

Image analysis

Image transformation or preprocessing

Combining image portions

C382S260000, C382S274000, C382S275000

Reexamination Certificate

active

07835590

ABSTRACT:
An image processing apparatus generates a brightness component image of a low-sensitivity image by applying a smoothing filter to the low-sensitivity image, generates a brightness component image of a high-sensitivity image by applying the smoothing filter to the high-sensitivity image, generates a contrast component image of the low-sensitivity image by dividing the low-sensitivity image by the brightness component image of the low-sensitivity image, generating a contrast component image of the high-sensitivity image by dividing the high-sensitivity image by the brightness component image of the high-sensitivity image, generates a combined brightness component image by combining the brightness component images of the low-sensitivity image and of the high-sensitivity image, generates a combined contrast component image by combining the contrast component images of the low-sensitivity image and of the high-sensitivity image, and finally generates a contrast-expanded image by multiplying the combined brightness component image and the combined contrast component image.

REFERENCES:
patent: 7006881 (2006-02-01), Hoffberg et al.
patent: 7027054 (2006-04-01), Cheiky et al.
patent: 7110864 (2006-09-01), Restrepo et al.
patent: 7112762 (2006-09-01), Finley et al.
patent: 7124041 (2006-10-01), Johnson et al.
patent: 2001-352486 (2001-12-01), None
patent: 2003-8935 (2003-01-01), None

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