CA3245137A1 - Motion-Compensating Laser Granularity Contrast Imaging - Google Patents

Motion-Compensating Laser Granularity Contrast Imaging

Info

Publication number
CA3245137A1
CA3245137A1 CA3245137A CA3245137A CA3245137A1 CA 3245137 A1 CA3245137 A1 CA 3245137A1 CA 3245137 A CA3245137 A CA 3245137A CA 3245137 A CA3245137 A CA 3245137A CA 3245137 A1 CA3245137 A1 CA 3245137A1
Authority
CA
Canada
Prior art keywords
images
image
speckle
speckle contrast
determining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3245137A
Other languages
English (en)
French (fr)
Inventor
Klaas Dijkstra
Joost Emiel Marcel Calon
Arend Jan Wilhelmus VERMEULEN
Evert Christiaan BOERMA
Original Assignee
Limis Development BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Limis Development BV filed Critical Limis Development BV
Publication of CA3245137A1 publication Critical patent/CA3245137A1/en
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • A61B5/0261—Measuring blood flow using optical means, e.g. infrared light
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • A61B5/721—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts using a separate sensor to detect motion or using motion information derived from signals other than the physiological signal to be measured
    • 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
    • G02B27/48—Laser speckle optics

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physiology (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Psychiatry (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Image Processing (AREA)
  • Endoscopes (AREA)
  • Eye Examination Apparatus (AREA)
  • Microscoopes, Condenser (AREA)
CA3245137A 2022-03-17 2023-03-03 Motion-Compensating Laser Granularity Contrast Imaging Pending CA3245137A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL2031317 2022-03-17
NL2031317 2022-03-17
PCT/NL2023/050105 WO2023177281A1 (en) 2022-03-17 2023-03-03 Motion-compensated laser speckle contrast imaging

Publications (1)

Publication Number Publication Date
CA3245137A1 true CA3245137A1 (en) 2023-09-21

Family

ID=85641109

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3245137A Pending CA3245137A1 (en) 2022-03-17 2023-03-03 Motion-Compensating Laser Granularity Contrast Imaging

Country Status (7)

Country Link
EP (1) EP4493052A1 (https=)
JP (1) JP2025509523A (https=)
KR (1) KR20240165385A (https=)
CN (1) CN119136734A (https=)
CA (1) CA3245137A1 (https=)
IL (1) IL315650A (https=)
WO (1) WO2023177281A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118485619B (zh) * 2024-03-29 2025-01-28 江苏阔然医疗科技有限公司 一种显微病理多光谱成像拆分方法
CN120894448A (zh) * 2025-07-04 2025-11-04 苏州微清医疗器械有限公司 基于眼底光学图像的血流成像方法、系统及存储介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1324051A1 (en) * 2001-12-26 2003-07-02 Kevin R. Forrester Motion measuring device
CA3173020C (en) * 2015-10-09 2026-03-17 Vasoptic Medical, Inc. System and method for rapid examination of vasculature and particulate flow using laser speckle contrast imaging
CN107862724B (zh) * 2017-12-01 2021-10-01 中国医学科学院生物医学工程研究所 一种改进的微血管血流成像方法
DE112019004340T5 (de) 2018-08-28 2021-05-12 Sony Corporation Medizinisches system, informationsverarbeitungsvorrichtung und informationsverarbeitungsverfahren
CN111476143B (zh) * 2020-04-03 2022-04-22 华中科技大学苏州脑空间信息研究院 获取多通道图像、生物多参数以及身份识别的装置
NL2026240B1 (en) 2020-08-07 2022-04-08 Limis Dev B V Device for coupling coherent light into an endoscopic system
NL2026505B1 (en) * 2020-09-18 2022-05-23 Limis Dev B V Motion-compensated laser speckle contrast imaging

Also Published As

Publication number Publication date
KR20240165385A (ko) 2024-11-22
WO2023177281A1 (en) 2023-09-21
EP4493052A1 (en) 2025-01-22
IL315650A (en) 2024-11-01
CN119136734A (zh) 2024-12-13
JP2025509523A (ja) 2025-04-11

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