Differentiating half tone areas and edge areas in image...

Details Differentiating half tone areas and edge areas in image... Differentiating half tone areas and edge areas in image...

2005-07-07

2009-12-01

Kim, Charles (Department: 2624)

Image analysis

Image enhancement or restoration

Image filter

C358S003270

Reexamination Certificate

active

07627192

ABSTRACT:
An image processing apparatus is provided with a luminance component extracting system adapted to extract a luminance component from image data consisting of a plurality of image pixels arrange in a matrix, a first filter, first data being generated as the first filter is applied to the luminance component, an edge detecting system that detects an edge in the first data, a second filter, second data being generated as the second filter is applied to the luminance component, a third filter, third data being generated as the third filter is applied to the luminance component, an outputting system adapted to output the second data and the third data, and a selection controlling system adapted to control, in response to the result of edge detection, the outputting system to selectively output one of the second data and the third data.

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JP Office Action dtd Sep. 9, 2008, JP App. 2004-200886.
JP Office Action dtd Feb. 24, 2009, JP Appln. 2004-200886.

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