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Proceedings Paper

Two-dimensional block diagonal LMS adaptive algorithm
Author(s): Hongye Pan; Mahmood R. Azimi-Sadjadi
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Paper Abstract

This paper is concerned with the development of a two-dimensional (2-D) adaptive filtering using block diagonal least mean squared (BDLMS) method. In this adaptive filtering scheme, the image is scanned and processed block by block in a diagonal fashion, and the filter weights are adjusted once per each block rather than once per each pixel. As a result, this method takes into account the correlations of the pixels along both vertical and horizontal directions. The properties of this 2-D adaptive filter, including convergence behavior, adaptation speed, and adaptation accuracy, have been studied. Simulation results are presented which indicate the effectiveness of the 2-D BDLMS when used for image enhancement and estimation applications.

Paper Details

Date Published: 8 April 1993
PDF: 12 pages
Proc. SPIE 1903, Image and Video Processing, (8 April 1993); doi: 10.1117/12.143143
Show Author Affiliations
Hongye Pan, Colorado State Univ. (United States)
Mahmood R. Azimi-Sadjadi, Colorado State Univ. (United States)

Published in SPIE Proceedings Vol. 1903:
Image and Video Processing
Majid Rabbani; M. Ibrahim Sezan; A. Murat Tekalp, Editor(s)

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