Method and apparatus for selecting an adaptive filter for image

Details Method and apparatus for selecting an adaptive filter for image Method and apparatus for selecting an adaptive filter for image

1995-12-27

1998-10-06

Rogers, Scott

Image analysis

Pattern recognition

Feature extraction

382261, 382275, 358463, G06K 940, G06T 500, H04N 1409

Patent

active

058189645

ABSTRACT:
A device and method for filtering out the noise generated due to coding of image data signals. The device has a threshold determining unit, a binary index unit, a filter selecting unit, and an adaptive filtering unit. The threshold determining unit 4 divides each pixel of the input image data into two gray levels. The binary indexes defined by the gray level are checked by a window with a prescribed size. If the region in the window is determined to be a homogeneous region, a heterogeneous region, or an impulse noise region (block 5), the filter selecting unit selects a filter corresponding to the determined region, and the image data is processed by the selected filter.

REFERENCES:
patent: 5245445 (1993-09-01), Fujisawa
patent: 5333211 (1994-07-01), Kanda et al.
patent: 5408337 (1995-04-01), Kanda

Affiliated with

Also associated with

Rating

Method and apparatus for selecting an adaptive filter for image does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for selecting an adaptive filter for image , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for selecting an adaptive filter for image will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-87901