FRACTAL MODEL OF A ONE-DIMENSIONAL DISCRETE SIGNAL AND ITS IMPLEMENTATION

被引：7
|
作者：
ZHU, X [1 ]
CHENG, B [1 ]
TITTERINGTON, DM [1 ]
机构：
[1] UNIV KENT,INST MATH & STAT,CANTERBURY CT2 7NF,KENT,ENGLAND
来源：
IEE PROCEEDINGS-VISION IMAGE AND SIGNAL PROCESSING | 1994年 / 141卷 / 05期
关键词：
SIGNAL PROCESSING; IFS THEORY; SUBOPTIMAL SEARCH ALGORITHMS; FRACTAL INTERPOLATION; AFFINE TRANSFORMATION PARAMETERS;
D O I：
10.1049/ip-vis:19941344
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：
An extended iterated-function-system (IFS) interpolation method is presented for modelling for a given discrete signal. To reduce the computing complexity a suboptimal search algorithm with a robust technique for estimating the IFS affine-map parameters is introduced. Simulation results show that the IFS approach achieves a higher signal-to-noise ratio than does an existing approach based on autoregressive modelling.
引用
收藏
页码：318 / 324
页数：7
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