Improvement of Two-Dimensional Terahertz Image by Digital Image Processing

被引：0

作者：

Shon, Chae-Hwa ^{[1
]}

Jin, Yun-Sik ^{[1
]}

Jeon, Seuk-Gy ^{[1
]}

Kim, Keun-Ju ^{[1
]}

Jung, Sun-Shin ^{[1
]}

Yong, Chong Won ^{[2
]}

机构：

[1] Korea Electrotechnol Res Inst, Appl Electrophys Res Grp, Chang Won 641600, South Korea

[2] Kyungnam Univ, Informat & Commun Engn Dept, Masan Kyungnam, South Korea

来源：

KOREAN JOURNAL OF OPTICS AND PHOTONICS | 2005年 / 16卷 / 06期

关键词：

D O I：

10.3807/KJOP.2005.16.6.500

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Two-dimensional (2D) images that are produced by terahertz (THz) irradiation are presented. It is possible to obtain 2D image of various materials by observing the amplitude and the phase of the THz signals which go through them. Better images are produced by combining the amplitude and phase of the signal rather than using only one of these. Homomorphic filtering that is one of the well-known technique of digital image signal processing is effective to reduce the noise signal and can provide better quality images. The results can be applied to real-time imaging afterwards.

引用

页码：500 / 507

页数：8

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