JP3803699B2 - 分光画像取得装置 - Google Patents
分光画像取得装置 Download PDFInfo
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- JP3803699B2 JP3803699B2 JP2004161869A JP2004161869A JP3803699B2 JP 3803699 B2 JP3803699 B2 JP 3803699B2 JP 2004161869 A JP2004161869 A JP 2004161869A JP 2004161869 A JP2004161869 A JP 2004161869A JP 3803699 B2 JP3803699 B2 JP 3803699B2
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- image
- spectral
- external light
- imaging
- optical system
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- 230000003595 spectral effect Effects 0.000 title claims description 121
- 238000003384 imaging method Methods 0.000 claims description 78
- 230000003287 optical effect Effects 0.000 claims description 31
- 238000005259 measurement Methods 0.000 description 38
- 238000005286 illumination Methods 0.000 description 27
- 238000013075 data extraction Methods 0.000 description 7
- 238000012937 correction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000003702 image correction Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Spectrometry And Color Measurement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
2 分光用フィルタ
3 二次結像光学系(レンズ)
4 撮像装置 4A 撮像面
5 一次像面
6 遮光板
11 集光レンズ
12 反射手段(ミラー)
20 ライトガイド
41 画像記録部
42 外部光データ抽出部
43 分光画像補正部
S0 外部光のスポット出射領域
S01 外部光のスポット像
Claims (4)
- 被計測対象からの反射光を、分光用フィルタを介して撮像装置の撮像面に結像させる結像光学系を備えた分光画像取得装置であって、
前記結像光学系は、前記分光用フィルタの前方に一次像面を形成する一次結像光学系と、前記一次像面を前記撮像面に結像させる二次結像光学系とを備え、
前記一次像面上に、周辺から取り込んだ外部光のスポット出射領域を形成する外部光取り込み手段を備え、
前記分光用フィルタを介した前記外部光を前記二次結像光学系によって前記撮像面に結像させることを特徴とする分光画像取得装置。 - 前記外部光取り込み手段は、前記外部光を前記一次像面上に集光する集光レンズと、前記外部光を前記結像光学系の光軸と平行に前記一次像面に向けて反射する反射手段とを備えることを特徴とする請求項1に記載された分光画像取得装置。
- 前記外部光取り込み手段は、入射された前記外部光を出射する出射面を備えたライトガイドからなり、前記出射面を前記一次像面上に配置したことを特徴とする請求項1に記載された分光画像取得装置。
- 前記撮像装置から出力される分光画像データを一静止画像単位で記録する画像記録手段と、該画像記録手段に記録された一静止画像単位の分光画像データの中から前記外部光のスポット像を撮像した画像データを抽出する外部光データ抽出手段と、該外部光データ抽出手段によって抽出された画像データに基づいて前記画像記録手段に記録された分光画像データを補正する分光画像補正手段とを備えることを特徴とする請求項1〜3のいずれかに記載された分光画像取得装置。
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JP2004161869A JP3803699B2 (ja) | 2004-05-31 | 2004-05-31 | 分光画像取得装置 |
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JP2004161869A JP3803699B2 (ja) | 2004-05-31 | 2004-05-31 | 分光画像取得装置 |
Publications (2)
Publication Number | Publication Date |
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JP2005345130A JP2005345130A (ja) | 2005-12-15 |
JP3803699B2 true JP3803699B2 (ja) | 2006-08-02 |
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JP2004161869A Expired - Lifetime JP3803699B2 (ja) | 2004-05-31 | 2004-05-31 | 分光画像取得装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104090320A (zh) * | 2014-06-12 | 2014-10-08 | 中国科学院上海技术物理研究所 | 一种用于超光谱成像系统中的消二级光谱集成滤光片 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4904377B2 (ja) * | 2009-04-28 | 2012-03-28 | 住友電気工業株式会社 | ハイパースペクトル画像処理装置及びハイパースペクトル画像処理方法 |
JP2014075780A (ja) | 2012-09-14 | 2014-04-24 | Ricoh Co Ltd | 撮像装置及び撮像システム |
CN104406917B (zh) * | 2014-11-26 | 2016-08-31 | 浙江大学 | 用于多个不同藻液检测的透射高光谱图像采集装置 |
CN104568777A (zh) * | 2015-01-12 | 2015-04-29 | 南京理工大学 | 基于频谱编码的共焦显微成像装置及方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5560913A (en) * | 1978-10-31 | 1980-05-08 | Fujitsu Ltd | Infrared video apparatus |
JPH05223638A (ja) * | 1992-02-12 | 1993-08-31 | Tokyu Constr Co Ltd | 測定画像の補正方法 |
JP2001525534A (ja) * | 1997-07-12 | 2001-12-11 | オプティカル インサイツ,リミティド ライアビリティー カンパニー | 多重スペクトル二次元画像分光計 |
JP4541481B2 (ja) * | 2000-02-22 | 2010-09-08 | キヤノン株式会社 | 位置検出装置、露光装置、およびデバイス製造方法 |
JP4198325B2 (ja) * | 2001-03-06 | 2008-12-17 | 株式会社フォトロン | 多画面分光撮影装置 |
JP3565338B2 (ja) * | 2001-04-11 | 2004-09-15 | 日本電気株式会社 | 赤外線撮像装置及びドリフト補正方法 |
JP2004077501A (ja) * | 2003-12-01 | 2004-03-11 | Olympus Corp | 色分類装置 |
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2004
- 2004-05-31 JP JP2004161869A patent/JP3803699B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104090320A (zh) * | 2014-06-12 | 2014-10-08 | 中国科学院上海技术物理研究所 | 一种用于超光谱成像系统中的消二级光谱集成滤光片 |
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