APPROXIMATION OF 2-D FILTERS USING CANONIC SEPARABLE DENOMINATOR STATE-SPACE MODELS

被引：0
|
作者：
HINAMOTO, T [1 ]
FAIRMAN, FW [1 ]
MUNEYASU, M [1 ]
MAEKAWA, S [1 ]
机构：
[1] KOBE UNIV,DEPT SYST ENGN,KOBE 657,JAPAN
来源：
INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE | 1985年 / 16卷 / 10期
关键词：
2-D FILTERS - CANONIC SEPARABLE DENOMINATOR STATE-SPACE MODELS;
D O I：
10.1080/00207728508926744
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A state-space model capable of representing 2-D transfer functions having separable denominators is introduced. The coordinates for the state space are chosen so that the number of adjustable scalar parameters in the model is minimized. This minimum-parameter model is used to approximate a 2-D filter by adjusting the model parameters so as to minimize a weighted sum of the squared difference between the 2-D filter and model impulse responses over the closed quarter-plane. This adjustment is done using the Davidon-Fletcher and Powell optimization algorithm. An example is given to illustrate the utility of the proposed method.
引用
收藏
页码：1207 / 1216
页数：10
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