JP4201805B2 - 撮像方法 - Google Patents
撮像方法 Download PDFInfo
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- JP4201805B2 JP4201805B2 JP2006231384A JP2006231384A JP4201805B2 JP 4201805 B2 JP4201805 B2 JP 4201805B2 JP 2006231384 A JP2006231384 A JP 2006231384A JP 2006231384 A JP2006231384 A JP 2006231384A JP 4201805 B2 JP4201805 B2 JP 4201805B2
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- infrared
- color
- component
- output signal
- image sensor
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図2は、撮像素子の3原色フィルタおよび赤外透過フィルタを透過した入射光に対する分光感度特性の一例を示す図である。図2に示すように、当該撮像素子は3原色フィルタおよび赤外透過フィルタを透過した入射光に対して分光感度1を持つ。本実施形態におけるカラーフィルタは、赤外線成分を除去しないため、赤外線領域の波長に対しても感度をもつ。そこで、3原色の各カラーフィルタを透過した入射光の赤外線領域の波長に対する感度が実質的に等しくなるよう、上記撮像素子の各色の出力信号を補正する。
R2=α*R+β*IR ・・・(式1)
G2=γ*G+δ*IR ・・・(式2)
B2=ε*B+ζ*IR ・・・(式3)
R2=1.3*R ・・・(式4)
G2=G+0.65IR ・・・(式5)
B2=1.55*B ・・・(式6)
図4は、撮像素子の補色フィルタおよび赤外透過フィルタを透過した入射光に対する分光感度特性の一例を示す図である。図4に示すように、当該撮像素子は補色フィルタおよび赤外透過フィルタを透過した入射光に対して分光感度3を持つ。
Claims (2)
- 赤外線成分を透過する複数色のカラーフィルタを介して、入射光を受ける撮像素子の各色成分の出力信号に対して、それらの出力信号に含まれる赤外線成分が等しくなるよう、補正用の赤外線成分を加える撮像方法であって、
赤外線透過フィルタを介して前記撮像素子で受けた赤外線成分に、前記各色成分の出力信号に含まれる赤外線成分を等しくするための係数を掛けて、前記補正用の赤外線成分を色成分ごとに求め、前記各色成分の出力信号に加えることを特徴とする撮像方法。 - 前記各色成分の出力信号を増減してホワイトバランスをとり、かつ前記各色成分の出力信号に含まれる赤外線成分が等しくなるよう、前記各色成分の出力信号に補正用の赤外線成分を加えることを特徴とする請求項1に記載の撮像方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006231384A JP4201805B2 (ja) | 2006-08-28 | 2006-08-28 | 撮像方法 |
US11/889,771 US7773136B2 (en) | 2006-08-28 | 2007-08-16 | Image pickup apparatus and image pickup method for equalizing infrared components in each color component signal |
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JP2006231384A JP4201805B2 (ja) | 2006-08-28 | 2006-08-28 | 撮像方法 |
Publications (2)
Publication Number | Publication Date |
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JP2008054257A JP2008054257A (ja) | 2008-03-06 |
JP4201805B2 true JP4201805B2 (ja) | 2008-12-24 |
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JP2006231384A Expired - Fee Related JP4201805B2 (ja) | 2006-08-28 | 2006-08-28 | 撮像方法 |
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JP (1) | JP4201805B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101458569B1 (ko) * | 2008-03-13 | 2014-11-12 | 삼성디스플레이 주식회사 | 표시 장치 |
JP5259381B2 (ja) * | 2008-12-25 | 2013-08-07 | 京セラ株式会社 | 撮像装置および撮像方法 |
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- 2006-08-28 JP JP2006231384A patent/JP4201805B2/ja not_active Expired - Fee Related
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