Two-step projection iteration threshholding super resolution for passive millimeter imaging

Author

Li, Liangchao ; Yang, Jianyu ; Su, Jianzhong ; Zhou, Changlin

Author_Institution

Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China

fYear

2011

fDate

2-7 Oct. 2011

Firstpage

1

Lastpage

2

Abstract

In Passive millimeter wave (PMMW) imaging, the low-pass effect of passive millimeter wave imaging system makes the space resolution very poor. In this paper, two-step projection iteration threshholding(twPIT) algorithm is proposed for the super-resolution process of passive millimeter wave imaging. This algorithm uses the sparse prior information and the non-negative finite value information of passive millimeter wave images, which can separate the noise from the signals in the iteration process. When the image noise is existed, our algorithm is also very effective and has good super-resolution performance.

Keywords

image resolution; iterative methods; millimetre wave imaging; source separation; low-pass effect; noise separation; passive millimeter wave imaging system; space resolution; two-step projection iteration threshholding super resolution; Convergence; Image resolution; Image restoration; Imaging; Millimeter wave technology; Noise; Signal resolution;

fLanguage

English

Publisher

ieee

Conference_Titel

Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2011 36th International Conference on

Conference_Location

Houston, TX

ISSN

2162-2027

Print_ISBN

978-1-4577-0510-6

Electronic_ISBN

2162-2027

Type

conf

DOI

10.1109/irmmw-THz.2011.6104976

Filename

6104976