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  • 标题:2/3インチ200万画素スタックCCDカラーカメラの高ダイナミックレンジ化
  • 本地全文:下载
  • 作者:中村 信男 ; 坂口 夏絵 ; 江川 佳孝
  • 期刊名称:映像情報メディア学会誌
  • 印刷版ISSN:1342-6907
  • 电子版ISSN:1881-6908
  • 出版年度:1997
  • 卷号:51
  • 期号:2
  • 页码:219-227
  • DOI:10.3169/itej.51.219
  • 出版社:The Institute of Image Information and Television Engineers
  • 摘要:Three kinds of operations for a STACK-CCD of a 2/3-in 2 million-pixel high-definition-television (HDTV) imager to expand its dynamic range and a S/N ratio are proposed and evaluated. A high-light signal suppression operation, knee control operation, can expand the dynamic range up to 90 dB without a fixed-pattern noise for the STACK-CCD imager. A small signal reset (SSR) operation reduces the random noise generated in the storage diode (SD) from 30 electrons to 26 electrons. The fixed-pattern noise generated in the SD is also suppressed by up to 10 electrons by the accumulation operation and a surrounding channel stop region. Using these operations, the dynamic range of 90 dB, the S/N ratio of 54 dB can be obtained for the 2/3-in 2 million-pixel STACK-CCD imager with the incomplete-transfer type storage-diode.
  • 关键词:STACK-CCDセンサ;ハイビジョンカラーカメラ;ダイナミックレンジ拡大;ニー動作;ランダム雑音;固定パターン雑音
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