2-DIMENSIONAL BLOCK DIAGONAL LMS ADAPTIVE FILTERING

被引：28
作者：
AZIMISADJADI, MR
PAN, HY
机构：
[1] Department of Electrical Engineering, Colorado State University, Fort Collins
来源：
IEEE TRANSACTIONS ON SIGNAL PROCESSING | 1994年 / 42卷 / 09期
关键词：
D O I：
10.1109/78.317863
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：2420 / 2429
页数：10
相关论文
共 16 条
[1]  
[Anonymous], 1989, FUNDAMENTALS DIGITAL
[2]   TWO-DIMENSIONAL BLOCK PROCESSORS - STRUCTURES AND IMPLEMENTATIONS [J].
AZIMISADJADI, MR ;
KING, RA .
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS, 1986, 33 (01) :42-50
[3]   BLOCK IMPLEMENTATION OF DIGITAL FILTERS [J].
BURRUS, CS .
IEEE TRANSACTIONS ON CIRCUIT THEORY, 1971, CT18 (06) :697-+
[4]  
CLARK GA, 1981, IEEE T ACOUST SPEECH, V29, P774
[5]   THE TWO-DIMENSIONAL ADAPTIVE LMS (TDLMS) ALGORITHM [J].
HADHOUD, MM ;
THOMAS, DW .
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS, 1988, 35 (05) :485-494
[6]  
HSIA TC, 1983, IEEE T ACOUST SPEECH, P667
[7]   2-DIMENSIONAL VARIABLE STEP-SIZE SEQUENTIAL ADAPTIVE GRADIENT ALGORITHMS WITH APPLICATIONS [J].
MIKHAEL, WB ;
GHOSH, SM .
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS, 1991, 38 (12) :1577-1580
[8]   FAST ALGORITHMS FOR BLOCK FIR ADAPTIVE DIGITAL FILTERING [J].
MIKHAEL, WB ;
WU, FH .
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS, 1987, 34 (10) :1152-1160
[9]   A FAST BLOCK FIR ADAPTIVE DIGITAL FILTERING ALGORITHM WITH INDIVIDUAL ADAPTATION OF PARAMETERS [J].
MIKHAEL, WB ;
WU, FH .
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS, 1989, 36 (01) :1-10
[10]  
MIKHAEL WB, 1992, MAY P IEEE INT S CIR, P1219
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