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29 October 2014 High dynamic range coding imaging system
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We present a high dynamic range (HDR) imaging system design scheme based on coded aperture technique. This scheme can help us obtain HDR images which have extended depth of field. We adopt Sparse coding algorithm to design coded patterns. Then we utilize the sensor unit to acquire coded images under different exposure settings. With the guide of the multiple exposure parameters, a series of low dynamic range (LDR) coded images are reconstructed. We use some existing algorithms to fuse and display a HDR image by those LDR images. We build an optical simulation model and get some simulation images to verify the novel system.
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Renfan Wu, Yifan Huang, and Guangqi Hou "High dynamic range coding imaging system", Proc. SPIE 9273, Optoelectronic Imaging and Multimedia Technology III, 927309 (29 October 2014);

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