Method and device of image correction

Details Method and device of image correction Method and device of image correction

2005-02-17

2008-08-26

Mehta, Bhavesh (Department: 2624)

Image analysis

Image enhancement or restoration

Edge or contour enhancement

C382S103000, C382S107000, C382S274000, C382S275000, C345S690000, C345S063000, C345S589000, C345S616000

Reexamination Certificate

active

07418152

ABSTRACT:
An Image correction device for detecting an image area having movement according to an image signal, and providing the image signal with image correction and switching correction methods according to a control signal. The image correction device further detects the boundary area of the image area having movement; detects an image area with great gradational change by comparing gradation of image signals corresponding to adjoining pixels; and provides the boundary area of the image area having movement with a diffusion process in an area excluding the image area with great gradational change. The correcting methods performed by the image correcting device can be switched according to the movement signal, thereby improving image correction.

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Supplementary European Search Report issued Jan. 16, 2008 in the International (PCT) Application of which the present application is the U.S. National Stage.

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