JP2010028487A - 撮像装置、及び撮像装置の制御方法 - Google Patents
撮像装置、及び撮像装置の制御方法 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
- H04N25/68—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to defects
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Abstract
【解決手段】撮像装置は、複数の画素が配列された画素配列と、前記画素配列から信号を読み出す読み出し部と、前記画素配列が遮光された状態で前記画素配列から前記読み出し部により読み出された信号を用いて、前記画素配列における欠陥画素を検出する検出手段と、前記検出手段により検出された欠陥画素の信号を、前記検出された欠陥画素に隣接する画素の信号を用いて補間する補間手段とを備え、前記読み出し部は、前記検出手段による欠陥画素の検出を行うための検出モードにおいて、1フレーム期間中に前記画素配列から欠陥が発生しやすい条件で信号を読み出す。
【選択図】図4
Description
Claims (4)
- 複数の画素が配列された画素配列と、
前記画素配列から信号を読み出す読み出し部と、
前記画素配列が遮光された状態で前記画素配列から前記読み出し部により読み出された信号を用いて、前記画素配列における欠陥画素を検出する検出手段と、
前記検出手段により検出された欠陥画素の信号を、前記検出された欠陥画素に隣接する画素の信号を用いて補間する補間手段と、
を備え、
前記読み出し部は、前記検出手段による欠陥画素の検出を行うための検出モードにおいて、1フレーム期間中に前記画素配列から欠陥が発生しやすい条件で信号を読み出す
ことを特徴とする撮像装置。 - 前記読み出し部は、前記検出モードにおいて、1フレーム期間中に前記画素配列から信号を複数回読み出す
ことを特徴とする請求項1に記載の撮像装置。 - 前記読み出し部は、前記画素配列から信号を読み出すためのゲート電極を含み、
前記検出モードにおける前記ゲート電極に供給される電圧は、撮影を行う撮影モードにおける前記ゲート電極に供給される電圧より高い
ことを特徴とする請求項1又は2に記載の撮像装置。 - 複数の画素が配列された画素配列と、前記画素配列から信号を読み出す読み出し部と、前記画素配列が遮光された状態で前記画素配列から前記読み出し部により読み出された信号を用いて、前記画素配列における欠陥画素を検出する検出手段と、前記検出手段により検出された欠陥画素の信号を、前記検出された欠陥画素に隣接する画素の信号を用いて補間する補間手段とを有する撮像装置の制御方法であって、
駆動モードを、前記検出手段による欠陥画素の検出を行うための検出モードに設定する工程と、
前記検出モードにおいて、1フレーム期間中に前記画素配列から欠陥が発生しやすい条件で信号を読み出すように、前記読み出し部を制御する工程と、
を備えたことを特徴とする撮像装置の制御方法。
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JP2008187909A JP5300356B2 (ja) | 2008-07-18 | 2008-07-18 | 撮像装置、及び撮像装置の制御方法 |
US12/504,376 US8159570B2 (en) | 2008-07-18 | 2009-07-16 | Image sensing apparatus and control method for the image sensing apparatus |
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JP2010028487A true JP2010028487A (ja) | 2010-02-04 |
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