Wavelet de-noising of optical terahertz pulse imaging data

被引：36

作者：

Ferguson, B ^{[1
]}

Abbott, D

机构：

[1] Univ Adelaide, Dept Elect & Elect Engn, Ctr Biomed Engn, Adelaide, SA 5005, Australia

[2] Univ Adelaide, Dept Elect & Elect Engn, CRC Sensor Signal & Informat Proc, Adelaide, SA 5005, Australia

来源：

FLUCTUATION AND NOISE LETTERS | 2001年 / 1卷 / 02期

关键词：

terahertz pulse imaging; wavelet de-noising; wavelet order;

D O I：

10.1142/S0219477501000226

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Terahertz pulse imaging (TPI) systems are used to obtain sub-millimeter spectroscopic measurements for a wide range of applications. This letter highlights the use of wavelet de-noising to markedly improve the SNR of the obtained data, increasing the SNR by up to 10 dB. A comparison of different wavelet families and properties is presented and the results demonstrated on THz image data of an oak leaf and an Australian $100 note.

引用

页码：L65 / L69

页数：5

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