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7 June 2004 Super-dynamic-range image processing system using a new structure CCD
Naoki Kubo; Kazuhiko Takemura; Kaoru Adachi; Toru Nishimura; Hiroshi Tamayama; Kazuki Iwabe; Tetsuo Yamada
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Proceedings Volume 5301, Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications V; (2004) https://doi.org/10.1117/12.547143
Event: Electronic Imaging 2004, 2004, San Jose, California, United States
Abstract
Recently the digital still camera (DSC) has achieved remarkable progress especially in terms of pixel numbers, and 3 mega-pixel cameras have become the main stream. This is owing to the progress of semi-conductor processing technology and DSC market demand. On the other hand, there are some problems accompanying increase of pixel numbers, for example degradation of S/N and increase of shooting interval. For the product described here we have applied miniaturization processing technology to incresing the dynamic range and have developed a Super Dynamic Range Image Processing System using a new structure CCD, in which a pair of different-type photodiodes is arranged under a micro lens that is located on the top surface. This makes it possible to capture a high contrast scene in which dynamic range is about 400%, and we have achieved distinct images of difficult scenes for a DSC to reproduce such as backlight scenes, short range stroke light photography, etc. Here, we explain the new CCD and LSIs which realize the super dynamic image processing system, and its algorithm.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Naoki Kubo, Kazuhiko Takemura, Kaoru Adachi, Toru Nishimura, Hiroshi Tamayama, Kazuki Iwabe, and Tetsuo Yamada "Super-dynamic-range image processing system using a new structure CCD", Proc. SPIE 5301, Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications V, (7 June 2004); https://doi.org/10.1117/12.547143
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