JP5522305B1 - 光学的測定システムおよびその作動方法 - Google Patents
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Abstract
【解決手段】本発明の光学的測定方法は、測定対象物からの後方反射光と参照光とが干渉してなる干渉光のスペクトルを取得し、前記干渉光スペクトルに基づいてOCTにより前記測定対象物の2次元の反射率画像を作成し、前記反射率画像において前記測定対象物の複数の組織それぞれが占める領域および前記複数の組織の間の境界を抽出し、前記領域および前記境界に基づいて解析対象範囲および空間平均化範囲を設定し、前記解析対象範囲および前記空間平均化範囲に基づいて分光OCTにより前記複数の組織それぞれにおける構成成分の濃度分布を計算し、前記領域および計算された前記構成成分の濃度分布に基づいて組織の種類を分類して組織分類画像を生成する。
【選択図】図3
Description
Claims (4)
- 複数の組織を含む測定対象物からの後方反射光と参照光とが干渉してなる干渉光のスペクトルを測定する干渉光学系と、この干渉光のスペクトルを分析する分析部と、を備える光学的測定システムの作動方法において、
前記分析部が、
干渉光学系を用いて測定対象物からの後方反射光と参照光とが干渉してなる干渉光のスペクトルを取得する取得ステップと、
取得された前記干渉光のスペクトルに基づいて、OCTにより前記測定対象物の2次元の反射率画像を作成する反射率画像作成ステップと、
作成された前記反射率画像における輝度分布に基づいて、前記反射率画像において前記複数の組織それぞれが占める領域および前記複数の組織の間の境界を抽出する抽出ステップと、
抽出された前記領域および前記境界に基づいて、解析対象範囲および空間平均化範囲を設定する設定ステップと、
設定された前記解析対象範囲内の各画素に対して、分光OCTにより得た構成成分の濃度分布を前記各画素を含む前記空間平均化範囲で平均化して前記各画素における構成成分の濃度とすることにより、前記複数の組織それぞれにおける構成成分の濃度分布を計算する計算ステップと、
抽出された前記領域および計算された前記構成成分の濃度分布に基づいて、組織の種類を分類する分類ステップと、
分類された前記組織の種類に基づいて組織分類画像を生成する組織分類画像生成ステップと、
を行う
光学的測定システムの作動方法。 - 前記干渉光学系が1.70〜1.75μmを含む波長帯において干渉光のスペクトルを測定し、
前記構成成分は脂質である、
請求項1に記載の光学的測定システムの作動方法。 - 複数の組織を含む測定対象物からの後方反射光と参照光とが干渉してなる干渉光のスペクトルを測定する干渉光学系と、この干渉光のスペクトルを分析する分析部と、を備え、
前記分析部が、
干渉光学系を用いて測定対象物からの後方反射光と参照光とが干渉してなる干渉光のスペクトルを取得し、
取得された前記干渉光のスペクトルに基づいて、OCTにより前記測定対象物の2次元の反射率画像を生成し、
生成された前記反射率画像における輝度分布に基づいて、前記反射率画像において前記複数の組織それぞれが占める領域および前記複数の組織の間の境界を抽出し、
抽出された前記領域および前記境界に基づいて、解析対象範囲および空間平均化範囲を設定し、
設定された前記解析対象範囲内の各画素に対して、分光OCTにより得た構成成分の濃度分布を前記各画素を含む前記空間平均化範囲で平均化して前記各画素における構成成分の濃度とすることにより、前記複数の組織それぞれにおける構成成分の濃度分布を計算し、
抽出された前記領域および計算された前記構成成分の濃度分布に基づいて、組織の種類を分類し、
分類された前記組織の種類に基づいて組織分類画像を生成する、
光学的測定システム。 - 前記干渉光学系が1.70〜1.75μmを含む波長帯において干渉光のスペクトルを測定し、
前記構成成分は脂質である、
請求項3に記載の光学的測定システム。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013196894A JP5522305B1 (ja) | 2013-09-24 | 2013-09-24 | 光学的測定システムおよびその作動方法 |
| PCT/JP2013/080817 WO2015045191A1 (ja) | 2013-09-24 | 2013-11-14 | 光学的測定方法および光学的測定システム |
| US14/350,782 US20150248770A1 (en) | 2013-09-24 | 2013-11-14 | Optical measurement method and optical measurement system |
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| JP2013196894A JP5522305B1 (ja) | 2013-09-24 | 2013-09-24 | 光学的測定システムおよびその作動方法 |
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| Publication Number | Publication Date |
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| JP5522305B1 true JP5522305B1 (ja) | 2014-06-18 |
| JP2015064218A JP2015064218A (ja) | 2015-04-09 |
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| JP2013196894A Active JP5522305B1 (ja) | 2013-09-24 | 2013-09-24 | 光学的測定システムおよびその作動方法 |
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| Country | Link |
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| US (1) | US20150248770A1 (ja) |
| JP (1) | JP5522305B1 (ja) |
| WO (1) | WO2015045191A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023169197A (ja) * | 2015-04-16 | 2023-11-29 | ジェンテュイティ・リミテッド・ライアビリティ・カンパニー | 撮像システム |
| JP2024063096A (ja) * | 2019-02-14 | 2024-05-10 | 大日本印刷株式会社 | 医療機器用色修正装置 |
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|---|---|---|---|---|
| JP6581923B2 (ja) * | 2016-03-03 | 2019-09-25 | 富士フイルム株式会社 | 画像処理装置とその作動方法および作動プログラム |
| JP6745349B2 (ja) * | 2016-10-28 | 2020-08-26 | 富士フイルム株式会社 | 光干渉断層画像撮像装置および計測方法 |
| US20200268447A1 (en) * | 2016-12-27 | 2020-08-27 | Sony Corporation | Medical laser irradiation device and medical laser irradiation method |
| US11583186B2 (en) | 2017-01-24 | 2023-02-21 | Koninklijke Philips N.V. | Device for determining information relating to a suspected occluding object |
| US10806334B2 (en) * | 2017-02-28 | 2020-10-20 | Verily Life Sciences Llc | System and method for multiclass classification of images using a programmable light source |
| WO2019161284A1 (en) * | 2018-02-16 | 2019-08-22 | Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | Ionizing radiation-free dental imaging by near-infrared fluorescence, and related systems |
| US11971960B2 (en) * | 2018-10-23 | 2024-04-30 | The Johns Hopkins University | Deep learning based image enhancement |
| US11361481B2 (en) * | 2019-09-18 | 2022-06-14 | Topcon Corporation | 3D shadow reduction signal processing method for optical coherence tomography (OCT) images |
| CN112508066A (zh) * | 2020-11-25 | 2021-03-16 | 四川大学 | 一种基于残差全卷积分割网络的高光谱图像分类方法 |
| CN113160160B (zh) * | 2021-04-12 | 2022-07-08 | 哈尔滨医科大学 | 一种基于oct光衰图像的钙化识别方法 |
| JPWO2023127785A1 (ja) * | 2021-12-28 | 2023-07-06 | ||
| KR102847457B1 (ko) * | 2022-09-19 | 2025-08-19 | 부산대학교 산학협력단 | 근적외선 광원을 이용한 동맥경화반 성분분석이 가능한 광단층 내시경 시스템 및 이의 제어 방법 |
| KR102901285B1 (ko) * | 2022-09-19 | 2025-12-18 | 부산대학교 산학협력단 | 근적외선 광원을 이용한 뇌종양의 병변 분석이 가능한 광단층 영상 시스템 및 이의 제어 방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11337475A (ja) * | 1997-11-13 | 1999-12-10 | Seitai Hikari Joho Kenkyusho:Kk | 光計測装置 |
| JP2011095005A (ja) * | 2009-10-27 | 2011-05-12 | Topcon Corp | 光画像計測装置 |
| JP2011125569A (ja) * | 2009-12-18 | 2011-06-30 | Canon Inc | 画像処理装置、画像処理方法、画像処理システム及びプログラム |
-
2013
- 2013-09-24 JP JP2013196894A patent/JP5522305B1/ja active Active
- 2013-11-14 US US14/350,782 patent/US20150248770A1/en not_active Abandoned
- 2013-11-14 WO PCT/JP2013/080817 patent/WO2015045191A1/ja not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11337475A (ja) * | 1997-11-13 | 1999-12-10 | Seitai Hikari Joho Kenkyusho:Kk | 光計測装置 |
| JP2011095005A (ja) * | 2009-10-27 | 2011-05-12 | Topcon Corp | 光画像計測装置 |
| JP2011125569A (ja) * | 2009-12-18 | 2011-06-30 | Canon Inc | 画像処理装置、画像処理方法、画像処理システム及びプログラム |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023169197A (ja) * | 2015-04-16 | 2023-11-29 | ジェンテュイティ・リミテッド・ライアビリティ・カンパニー | 撮像システム |
| JP2024063096A (ja) * | 2019-02-14 | 2024-05-10 | 大日本印刷株式会社 | 医療機器用色修正装置 |
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| Publication number | Publication date |
|---|---|
| JP2015064218A (ja) | 2015-04-09 |
| US20150248770A1 (en) | 2015-09-03 |
| WO2015045191A1 (ja) | 2015-04-02 |
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