Image processing apparatus and image processing method

Details Image processing apparatus and image processing method Image processing apparatus and image processing method

1997-11-06

2000-11-14

Lee, Thomas D.

Image analysis

Image enhancement or restoration

Edge or contour enhancement

382264, 382270, G06K 940

Patent

active

061481157

ABSTRACT:
An image processing apparatus and image processing method for performing a smoothing process to a decoded image signal. Edge information of a pixel is detected in response to a spatial change in the pixel value of the image signal and the smoothing process is performed to the image signal based on the edge information. The present invention reduces noise generated in the plain area in a picture without degrading an edge in the picture.

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patent: 5537408 (1996-07-01), Branstadt et al.
patent: 5878172 (1999-03-01), Go
Bloks, R.H.J.: "The IEEE-1394 High Speed Serial Bus", Philips Journal of Research, NL, Elsevier, Amsterdam, vol. 50, No. 1/02, pp. 209-216, XP000627671.

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