Two-dimensional block diagonal LMS adaptive filtering Azimi-Sadjadi, Mahmood R. ; Pan, Hongye This paper is concerned with the development of a two-dimensional (2-D) adaptive filters using the 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 block rather than once per pixel. The diagonal scanning is adopted to avoid the problems inherent in the 1-D standard scanning schemes and to account for the correlations in two directions. The weight updating equation for 2-D BDLMS is derived and the convergence properties of the algorithms are investigated. Simulation results that indicate the effectiveness of the 2-D BDLMS when used for image enhancement, estimation, and detection applications are presented. Colorado State University. Libraries 1994 text ; image application/pdf ECEmra00038.pdf FACFECEN100518ARTI eng c1994 IEEE
Two-dimensional block diagonal LMS adaptive filtering
Azimi-Sadjadi, Mahmood R. ; Pan, Hongye
This paper is concerned with the development of a two-dimensional (2-D) adaptive filters using the 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 block rather than once per pixel. The diagonal scanning is adopted to avoid the problems inherent in the 1-D standard scanning schemes and to account for the correlations in two directions. The weight updating equation for 2-D BDLMS is derived and the convergence properties of the algorithms are investigated. Simulation results that indicate the effectiveness of the 2-D BDLMS when used for image enhancement, estimation, and detection applications are presented.
Colorado State University. Libraries
1994
text ; image
application/pdf
ECEmra00038.pdf
FACFECEN100518ARTI
eng
c1994 IEEE