Derivate statistics for Karhunen-Loeve transform

被引:0
|
作者
Hanzlík, P [1 ]
Páta, P [1 ]
机构
[1] CTU FEE Prague, Dept Radio Elect, Technicka 2, Prague 16627 6, Czech Republic
来源
关键词
Karhunen-Loeve transform; image processing; video compression; integral transform; Gaussian; Laplacean; optical implementation;
D O I
10.1117/12.675849
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
This paper introduces video compression and image processing methods for fast multimedia channels. Standards designed for image and video coding (JPEG2000, MPEG-4 and MPEG-7), being not strictly defined, present a large field for further experiments and improvements. Our method was developed on fundamentals of Vector Quantization (VQ) and the most advantageous qualities of Karhunen-Loeve Transform (KLT) (known also as Principal Component Analysis - PCA). We also present a direct an idea of how to implement optical transform that can be used with accordance to the methods presented. Among other compression techniques, KLT optimality is discussed as a purpose for further improvement to the method.
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页数:7
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