Contrast Enhancement of Luminescence Images via Point-Spread Deconvolution

被引：0

作者：

Walter, Daniel ^{[1
]}

Liu, Anyao ^{[1
]}

Franklin, Evan ^{[1
]}

Macdonald, Daniel ^{[1
]}

Mitchell, Bernhard ^{[2
]}

Trupke, Thorsten ^{[2
,3
]}

机构：

[1] Australian Natl Univ, Ctr Sustainable Energy Syst, Canberra, ACT 0200, Australia

[2] Univ New South Wales, Sch Photovoltaic & Renewable Energy Engn, Kensington, NSW, Australia

[3] BT Imaging, Surry Hills, NSW, Australia

来源：

2012 38TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) | 2012年

关键词：

point-spread function; deconvolution; luminescence imaging;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

We investigate the impact of point-spread in the silicon CCD sensor of a BT Imaging LIS-R1 luminescence imaging system. It is found that an experimental definition of the point-spread function allows for a significant restoration of CCD point-spread to be achieved. A comparison with short-pass filtering is performed, demonstrating that point-spread will still have a measurable influence on image quality while reducing the luminescence signal and increasing the relative noise level. An implementation of point-spread deconvolution is presented at a multi-crystalline silicon grain boundary, illustrating a practical enhancement of resolution in a typical high-contrast scenario. The characteristics of the point-spread presented here are specific to the experimental apparatus investigated, but the procedure described is universally applicable.

引用

页数：6

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