JP2012029728A - ホワイトバランス調整方法および撮像装置 - Google Patents
ホワイトバランス調整方法および撮像装置 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
- H04N23/11—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths for generating image signals from visible and infrared light wavelengths
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
- H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
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Abstract
【解決手段】所定波長の赤外光を被写体に照射して、被写体から発せられる照射赤外光とは異なる所定波長の赤外光を受光して、このときのカメラの撮像出力におけるホワイトバランスを調整して入射赤外光を白表示とするステップ(S11,S12)と、被写体にRGB光源からの白色の可視光を照射して、被写体から発せられる可視光を受光して、RGB光源のRGB別の強度を調整することで、撮像画像におけるホワイトバランスを調整するステップ(S13,S14)と、を有する。
【選択図】図2
Description
Claims (2)
- 所定波長の赤外光を被写体に照射して、被写体から発せられる照射赤外光とは異なる所定波長の赤外光を受光して、このときのカメラの撮像出力におけるホワイトバランスを調整して入射赤外光を白表示とするステップと、
被写体にRGB光源からの白色の可視光を照射して、被写体から発せられる可視光を受光して、RGB光源のRGB別の強度を調整することで、撮像画像におけるホワイトバランスを調整するステップと、
を含むホワイトバランス調整方法。 - 所定波長の赤外光を被写体に照射する赤外線照射手段と、
被写体にRGB光を照射する手段であって、射出光強度がRGB独立して調整可能なRGB光源と、
被写体からの光から前記赤外線照射手段から発生される所定波長の赤外線を除去するフィルタと、
このフィルタを通った光を受光して撮像信号を出力するカメラと、
前記赤外線照射手段からの赤外線を被写体に照射しているときに、前記カメラで受光した撮像信号について白色となるようにホワイトバランスを調整するホワイトバラン調整手段と、
前記RGB光源からの光を被写体に照射しているときに、前記ホワイトバランス調整手段におけるホワイトバランスを固定した状態で前記RGB光源からのRGB別の射出強度を調整してカメラからの撮像信号のホワイトバランスを調整するRGB調整手段と、
を含む撮像装置。
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JP2010169802A JP5507376B2 (ja) | 2010-07-28 | 2010-07-28 | 撮像装置 |
US13/188,680 US9900484B2 (en) | 2010-07-28 | 2011-07-22 | White balance adjustment method and imaging device for medical instrument |
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JP2010169802A JP5507376B2 (ja) | 2010-07-28 | 2010-07-28 | 撮像装置 |
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JP2012029728A true JP2012029728A (ja) | 2012-02-16 |
JP5507376B2 JP5507376B2 (ja) | 2014-05-28 |
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