Self-tuning filters and predictors for two-dimensional systems Part 1: Algorithms
作者:
P. E. WELLSTEAD,
J. R. CALDAS PINTO,
期刊:
International Journal of Control
(Taylor Available online 1985)
卷期:
Volume 42,
issue 2
页码: 457-478
ISSN:0020-7179
年代: 1985
DOI:10.1080/00207178508933375
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The filtering of two-dimensional (2-D) signals is treated using a self-tuning technique based on a truncated innovations model of the data. The resultant algorithms offer two key advantages over their fixed-coefficient counterparts. First, the self-tuning filters quickly and automatically set their own coefficients, thus avoiding the normal off-line design cycle. Secondly, self-tuning filters can function in an adaptive manner, such that the filter retunes to track time variations in the two-dimensional data. The self-tuning algorithms are formulated in terms of input/output models and thus complement the more usual state-space approach to the 2-D filtering problem.
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