Study on enhancing dynamic range of CCD image based on digital micro-mirror device

被引：0
作者：
Province Key Laboratory of Modern Optical Technology of Jiangsu, Modern Optical Technology Institute, Soochow University, Suzhou 215006, China [1 ]
机构：
[1] Province Key Laboratory of Modern Optical Technology of Jiangsu, Modern Optical Technology Institute, Soochow University
来源：
Guangxue Xuebao | 2009年 / 3卷 / 638-642期
关键词：
Area array CCD; Digital micro-mirror device; High dynamic range image; Image processing; Imaging system;
D O I：
10.3788/AOS20092903.0638
中图分类号：
学科分类号：
摘要：
A method based on digital micro-mirror device (DMD) as a SLM modulates an area array CCD is proposed. It is used to solve the information cossing caused by over exposed or under exposed, when shooting high-contrast sences by general CCD camera. A CCD is mapped as multi-districts and is destined for multi-times exposed through a pre-image. A CCD is able to be exposed partly as using a DMD. A data structure is designed for enhancing dynamic range of image from CCD. Experiments show that this method improves the photo quality, and shows information in high lights or shadows clearly. It also enhances the dynamic range of image data. The high quality photo and its high dynamic range data are obtained real-time without the software fuse many different exposure images.
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收藏
页码：638 / 642
页数：4
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