JP4739242B2 - 埋込構造物の画像化 - Google Patents
埋込構造物の画像化 Download PDFInfo
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- A—HUMAN NECESSITIES
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0064—Body surface scanning
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4887—Locating particular structures in or on the body
- A61B5/489—Blood vessels
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
- A61B2562/0242—Special features of optical sensors or probes classified in A61B5/00 for varying or adjusting the optical path length in the tissue
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- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
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- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
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- G—PHYSICS
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- Engineering & Computer Science (AREA)
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- Vascular Medicine (AREA)
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- Radiology & Medical Imaging (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
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Description
NIR−エッジ−ピクセル<NIR_閾値 AND VIS−エッジ−ピクセル<VIS_閾値 (閾値は両方ともソフトウェア設定可能)
第2のNIR−マスク×(第1の修正されたNIR画像)N=最終的な強調マスク
Claims (20)
- 対象の埋込構造物の画像を取得する方法であって、
可視および赤外画像を画像化するためのカメラを提供するステップと、
赤外光源束を提供するステップと、
前記光源束によって前記対象の一部を照射するステップと、
前記埋込構造物を画像化するように前記カメラで前記対象の非照射領域を画像化するステップと、
前記埋込構造物画像を前記対象の可視画像と組み合わせるステップと、
前記赤外光源を可視光源と整合させるステップと、
前記赤外画像の第1のエッジ分析を提供するステップと、
前記可視画像の第2のエッジ分析を提供するステップと、
前記第1および第2のエッジ分析を比較するステップと、
前記可視画像でも検出されるエッジを前記赤外画像で除去するステップとを含む方法。
を含む方法。 - 前記照射を時間内で変化させて、続く部分画像との組合せによって完全画像を提供する請求項1に記載の方法。
- 前記画像が前記対象上で光線を走査することによって取得される、請求項1または2に記載の方法。
- 前記画像は、続いて前記対象を所定のパターンで照射することによって取得される、請求項1または2に記載の方法。
- 前記部分画像が、前記所定の相補的パターンで前記対象を交互に照射することによって取得される、請求項4に記載の方法。
- 前記パターンがマトリックス・パターン、ライン・パターン、ドット・パターン、または同軸パターンである、請求項4または5に記載の方法。
- 前記対象は、離間された所定の位置のみで照射される、請求項4から6のいずれかに記載の方法。
- 前記画像がCMOSカメラで取得される、請求項1から7のいずれかに記載の方法。
- 飽和画像領域を除去するように前記赤外画像を修正するステップをさらに含む、請求項1に記載の方法。
- 前記画像が立体視的に提供される、請求項1から9のいずれかに記載の方法。
- 前記赤外画像がスペクトル分析され、前記スペクトル分析が前記可視画像に投影される、請求項1から10のいずれかに記載の方法。
- 前記スペクトル分析が脈動分析および/または心拍周波数分析および/または呼吸周波数分析を含む、請求項11に記載の方法。
- 対象の埋込構造物の画像化を強調する方法であって、
前記埋込構造物を画像化する波長の第1の光を提供するための第1の光源を提供するステップと、
前記第1の光源と整合された、前記対象を可視的に画像化する波長の第2の光を提供するステップと、
前記対象に前記第1の光を照射することによって第1の画像を取得するステップと、
前記埋込構造物のエッジを検出するために、前記第1の画像のエッジ分析を提供するステップと、
前記対象に前記第2の光を照射することによって第2の画像を取得するステップと、
前記第2の画像のエッジ分析を提供するステップと、
前記第2の画像の前記エッジ分析を前記第1の画像の前記エッジ分析と比較するステップと、
前記第2の画像にも検出されるエッジを前記第1の画像で除去するステップと、
前記可視画像における前記埋込構造物のエッジを定義するために前記第1および第2の画像を組み合わせるステップとを含む方法。 - 飽和画像領域を除去するように前記第1の画像を修正するステップをさらに含む、請求項13に記載の方法。
- 対象の埋込構造物の画像を取得するためのシステムであって、
可視光源と整合させられた、光によって前記対象の一部を照射するための赤外光源束と、
前記対象の非照射領域における第1の埋込構造物画像と、前記対象の第2の可視画像とを取得するためのカメラ・デバイスと、
・前記埋込構造物のエッジを検出するために、前記第1の埋込構造物画像の勾配分析を提供し、前記第2の可視画像の勾配分析を提供し、
・前記第2の可視画像の勾配分析を前記第1の埋込構造物画像の勾配分析と比較し、
・前記第2の可視画像にも検出されるエッジを前記第1の埋込構造物画像で除去し、
・前記可視画像における前記埋込構造物のエッジを定義するために前記第1および第2の画像を組み合わせる、
処理デバイスと、
を含むシステム。 - ヒト組織を穿刺するための穿刺器具と、
前記穿刺器具で提供されるIR光源とをさらに含む、請求項15に記載のシステム。 - 前記IR光が前記穿通器具に沿って整合される、請求項16に記載のシステム。
- 前記IR光が前記穿通器具の先端に提供される、請求項16または17に記載のシステム。
- 前記穿刺器具がIR放射被覆を備える、請求項16から18のいずれかに記載のシステム。
- 前記IR光源および前記光源束が交互に作動される、請求項16から19のいずれかに記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04075541A EP1566142A1 (en) | 2004-02-19 | 2004-02-19 | Imaging of buried structures |
EP04075541.5 | 2004-02-19 | ||
PCT/NL2005/000108 WO2005079662A1 (en) | 2004-02-19 | 2005-02-15 | Imaging of buried structures |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007522869A JP2007522869A (ja) | 2007-08-16 |
JP4739242B2 true JP4739242B2 (ja) | 2011-08-03 |
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006554039A Expired - Fee Related JP4739242B2 (ja) | 2004-02-19 | 2005-02-15 | 埋込構造物の画像化 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8630465B2 (ja) |
EP (2) | EP1566142A1 (ja) |
JP (1) | JP4739242B2 (ja) |
AT (1) | ATE447880T1 (ja) |
DE (1) | DE602005017588D1 (ja) |
ES (1) | ES2336577T3 (ja) |
WO (1) | WO2005079662A1 (ja) |
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- 2004-02-19 EP EP04075541A patent/EP1566142A1/en not_active Withdrawn
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2005
- 2005-02-15 JP JP2006554039A patent/JP4739242B2/ja not_active Expired - Fee Related
- 2005-02-15 AT AT05710889T patent/ATE447880T1/de active
- 2005-02-15 WO PCT/NL2005/000108 patent/WO2005079662A1/en active Application Filing
- 2005-02-15 EP EP05710889A patent/EP1729629B1/en not_active Not-in-force
- 2005-02-15 US US10/598,077 patent/US8630465B2/en not_active Expired - Fee Related
- 2005-02-15 DE DE602005017588T patent/DE602005017588D1/de active Active
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JP2003508735A (ja) * | 1999-08-31 | 2003-03-04 | ネイダーランゼ、オルガニザティー、ボー、トゥーゲパストナトゥールウェテンシャッペルーク、オンダーツォーク、ティーエヌオー | 濃度比率決定用撮像装置 |
Also Published As
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EP1566142A1 (en) | 2005-08-24 |
DE602005017588D1 (de) | 2009-12-24 |
EP1729629A1 (en) | 2006-12-13 |
US20090028461A1 (en) | 2009-01-29 |
JP2007522869A (ja) | 2007-08-16 |
US8630465B2 (en) | 2014-01-14 |
ATE447880T1 (de) | 2009-11-15 |
WO2005079662A1 (en) | 2005-09-01 |
EP1729629B1 (en) | 2009-11-11 |
ES2336577T3 (es) | 2010-04-14 |
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