JP7314976B2 - 撮像装置及び撮像方法 - Google Patents
撮像装置及び撮像方法 Download PDFInfo
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- JP7314976B2 JP7314976B2 JP2021139783A JP2021139783A JP7314976B2 JP 7314976 B2 JP7314976 B2 JP 7314976B2 JP 2021139783 A JP2021139783 A JP 2021139783A JP 2021139783 A JP2021139783 A JP 2021139783A JP 7314976 B2 JP7314976 B2 JP 7314976B2
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- 238000003384 imaging method Methods 0.000 title claims description 90
- 230000005284 excitation Effects 0.000 claims description 36
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000002194 synthesizing effect Effects 0.000 claims description 10
- 230000001678 irradiating effect Effects 0.000 claims 3
- 239000011295 pitch Substances 0.000 description 23
- 230000035945 sensitivity Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- MOFVSTNWEDAEEK-UHFFFAOYSA-M indocyanine green Chemical compound [Na+].[O-]S(=O)(=O)CCCCN1C2=CC=C3C=CC=CC3=C2C(C)(C)C1=CC=CC=CC=CC1=[N+](CCCCS([O-])(=O)=O)C2=CC=C(C=CC=C3)C3=C2C1(C)C MOFVSTNWEDAEEK-UHFFFAOYSA-M 0.000 description 5
- 229960004657 indocyanine green Drugs 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000003333 near-infrared imaging Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N21/6456—Spatial resolved fluorescence measurements; Imaging
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
- G02B27/1013—Beam splitting or combining systems for splitting or combining different wavelengths for colour or multispectral image sensors, e.g. splitting an image into monochromatic image components on respective sensors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/201—Filters in the form of arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
-
- 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
- H04N23/13—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths with multiple sensors
- H04N23/16—Optical arrangements associated therewith, e.g. for beam-splitting or for colour correction
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Color Television Image Signal Generators (AREA)
- Studio Devices (AREA)
- Endoscopes (AREA)
Description
Claims (2)
- 被写体に励起光と可視光とを切り替えて照射して、前記励起光を照射することによって励起された蛍光による近赤外画像と可視光画像とを撮像する撮像装置において、
前記被写体に前記励起光と前記可視光とを切り替えて照射する照射部と、
前記被写体からの光を結像させる光学系と、
入射光を近赤外域の所定波長以下の波長の光と近赤外域の前記所定波長より長い波長の光とに分光するビームスプリッタと、
前記近赤外域の所定波長以下の波長の光の光路に配置され、可視光域の赤色以外に前記蛍光の少なくとも一部を透過させる赤色フィルタを有するカラー撮像素子と、
前記近赤外域の前記所定波長より長い波長の光の光路に配置される白黒撮像素子と、
前記カラー撮像素子の前に配置され、前記励起光の帯域をカットするバンドストップフィルタとを含み、
前記所定波長は、前記励起光の波長より長波長であり、
前記被写体に前記励起光が照射された際に、前記カラー撮像素子が撮像した画像と前記白黒撮像素子が撮像した画像とを合成した画像を前記近赤外画像として出力し、前記被写体に前記可視光が照射された際に、前記カラー撮像素子が撮像した画像を前記可視光画像として出力する撮像装置。 - 被写体からの光を撮像素子に結像させる光学系を用いて励起光を照射することによって励起された蛍光による近赤外光映像と可視光映像とを撮像する撮像方法であって、
被写体に前記励起光と可視光とを切り替えて照射するステップと、
ビームスプリッタによって、入射光を近赤外域の所定波長以下の波長の光と近赤外域の前記所定波長より長い波長の光とに分光するステップと、
バンドストップフィルタにより、前記ビームスプリッタによって分光された前記所定波長以下の波長の光から、バンドストップフィルタにより前記励起光の帯域をカットするステップと、
可視光域の赤色以外に前記蛍光の少なくとも一部を透過させる赤色フィルタを有するカラー撮像素子により、前記バンドストップフィルタを透過した光を撮像するステップと、
白黒撮像素子により、前記ビームスプリッタによって分光された前記所定波長より長い波長の光を撮像するステップと
を有し、
前記所定波長は、前記励起光の波長より長波長であり、
前記被写体に前記励起光が照射された際に、前記カラー撮像素子が撮像した画像と前記白黒撮像素子が撮像した画像を合成した画像を近赤外画像として出力し、前記被写体に前記可視光が照射された際に、前記カラー撮像素子が撮像した画像を可視光画像として出力する撮像方法。
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CN111248855A (zh) * | 2018-11-30 | 2020-06-09 | 财团法人金属工业研究发展中心 | 光学显影装置以及光学显影方法 |
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CN110365878B (zh) * | 2019-07-04 | 2022-05-17 | 华为技术有限公司 | 一种摄像装置和方法 |
CN110868551A (zh) * | 2019-11-23 | 2020-03-06 | 英特灵达信息技术(深圳)有限公司 | 一种时间同步和空间对齐的暗光-亮光成对视频获取系统 |
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CN112929521A (zh) * | 2021-01-12 | 2021-06-08 | 辽宁省视讯技术研究有限公司 | 一种基于多面阵传感器融合的超宽视频摄像系统 |
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CN116245740A (zh) * | 2021-12-07 | 2023-06-09 | 中兴通讯股份有限公司 | 三维识别装置、终端、图像增强方法、存储介质 |
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JP6939000B2 (ja) | 2021-09-22 |
JP2021192534A (ja) | 2021-12-16 |
JP2018160800A (ja) | 2018-10-11 |
US10659703B2 (en) | 2020-05-19 |
US20180278857A1 (en) | 2018-09-27 |
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