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：

PHOTONICS, DEVICES, AND SYSTEMS III | 2006年 / 6180卷

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.

引用

页数：7

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