ATE537456T1 - Bildgebende vorrichtungen und verfahren - Google Patents

Bildgebende vorrichtungen und verfahren

Info

Publication number
ATE537456T1
ATE537456T1 AT08843697T AT08843697T ATE537456T1 AT E537456 T1 ATE537456 T1 AT E537456T1 AT 08843697 T AT08843697 T AT 08843697T AT 08843697 T AT08843697 T AT 08843697T AT E537456 T1 ATE537456 T1 AT E537456T1
Authority
AT
Austria
Prior art keywords
sensor
output
another example
doppler signal
laser doppler
Prior art date
Application number
AT08843697T
Other languages
English (en)
Inventor
Stephen Morgan
Barrie Hayes-Gill
John Crowe
Malcolm Woolfson
Original Assignee
Univ Nottingham
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 Univ Nottingham filed Critical Univ Nottingham
Application granted granted Critical
Publication of ATE537456T1 publication Critical patent/ATE537456T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/26—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/661—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters using light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/663—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by measuring Doppler frequency shift
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
    • G01P3/366—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light by using diffraction of light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/001—Full-field flow measurement, e.g. determining flow velocity and direction in a whole region at the same time, flow visualisation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50—Systems of measurement based on relative movement of target
    • G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • 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
    • A61B5/7235—Details of waveform analysis
    • A61B5/7242—Details of waveform analysis using integration

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Power Engineering (AREA)
  • Biophysics (AREA)
  • Multimedia (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of Radiation (AREA)
AT08843697T 2007-10-30 2008-10-30 Bildgebende vorrichtungen und verfahren ATE537456T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0721165.9A GB0721165D0 (en) 2007-10-30 2007-10-30 Laser doppler imaging
PCT/GB2008/003660 WO2009056825A2 (en) 2007-10-30 2008-10-30 Improvements in or relating to apparatus and methods for imaging

Publications (1)

Publication Number Publication Date
ATE537456T1 true ATE537456T1 (de) 2011-12-15

Family

ID=38830106

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08843697T ATE537456T1 (de) 2007-10-30 2008-10-30 Bildgebende vorrichtungen und verfahren

Country Status (5)

Country Link
US (1) US20100294917A1 (de)
EP (1) EP2205982B1 (de)
AT (1) ATE537456T1 (de)
GB (1) GB0721165D0 (de)
WO (1) WO2009056825A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007023826A1 (de) * 2007-05-21 2008-11-27 Polytec Gmbh Verfahren und Vorrichtung zur berührungslosen Schwingungsmessung
DE102010006770B4 (de) * 2010-01-27 2012-12-13 Technische Universität Dresden Verfahren zur Bestimmung von Strömungsgeschwindigkeiten in mit Partikeln versetzten Fluiden mittels Doppler-Global-Velozimeter
US20150049177A1 (en) * 2012-02-06 2015-02-19 Biooptico Ab Camera Arrangement and Image Processing Method for Quantifying Tissue Structure and Degeneration
KR101941907B1 (ko) * 2013-01-03 2019-01-24 삼성전자주식회사 깊이 정보를 이용하는 내시경 및 깊이 정보를 이용하는 내시경에 의한 용종 검출 방법
RU2599371C1 (ru) * 2015-04-28 2016-10-10 Государственное бюджетное учреждение здравоохранения Московской области "Московский областной научно-исследовательский клинический институт им. М.Ф. Владимирского" (ГБУЗ МО МОНИКИ им. М.Ф. Владимирского) Устройство для измерения кожного кровотока
EP3372145A1 (de) * 2017-03-08 2018-09-12 Y-Ybar Sarl Verfahren zur verarbeitung eines elektrischen signals, das durch einen laser-doppler-durchflussmesser bereitgestellt wird, sowie laser-doppler durchflussmesser
US11573305B2 (en) * 2018-12-03 2023-02-07 Flir Systems Trading Belgium Bvba Direction and doppler shift in ranging systems and methods
CN110596693B (zh) * 2019-08-26 2021-10-22 杭州电子科技大学 一种迭代更新的多传感器gmphd自适应融合方法
US12471795B2 (en) * 2022-08-04 2025-11-18 Hamad Bin Khalifa University Integrated laser doppler blood flow measurement system and methods of use

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10221159A (ja) * 1997-02-12 1998-08-21 Toshiba Corp レ−ザドプラ方式振動分布測定装置
EP1332718A1 (de) * 2002-02-01 2003-08-06 Stichting Voor De Technische Wetenschappen Laser-Doppler Perfusionsdarstellung mit einem CMOS Bildsensor

Also Published As

Publication number Publication date
WO2009056825A3 (en) 2009-12-10
US20100294917A1 (en) 2010-11-25
GB0721165D0 (en) 2007-12-05
EP2205982A2 (de) 2010-07-14
WO2009056825A2 (en) 2009-05-07
EP2205982B1 (de) 2011-12-14

Similar Documents

Publication Publication Date Title
ATE537456T1 (de) Bildgebende vorrichtungen und verfahren
Ngo et al. Wideband receiver for a three-dimensional ranging LADAR system
US20080135735A1 (en) Signal-enhancement system for photodetector outputs
ATE444596T1 (de) Abzweigungsunterdrückung für einen empfänger in einem drahtlosen kommunikationssystem
US20160025777A1 (en) Circuit architecture for mode switch
US11233525B2 (en) Receiver and time-of-flight system with high dynamic range having a coupling capacitor respectively connected to a photodiode and a sigma delta analog to digital converter
TW200746335A (en) Weighting function to enhance measured diffraction signals in optical metrology
TW200721521A (en) Semiconductor device
US20150333712A1 (en) Four-stage circuit architecture for detecting pulsed signals
WO2008066645A3 (en) Integrated proximity sensor and light sensor
EP2709271A3 (de) Ruhestrombestimmung mittels paketinterner Spannungsmessungen
DE60237908D1 (de) Datensignalverstärker mit automatisch steuerbarem dynamischem signalumfang
DE602007012182D1 (de) Vorrichtung zur Messung der Empfangszeit eines Lichtimpulses sowie Abstandsmessung damit
Kim et al. Ambient light cancellation in photoplethysmogram application using alternating sampling and charge redistribution technique
EP3023794A3 (de) Offset-unterdrückungsvorrichtung für mikro-elektromechanisches system
JP2023052921A (ja) 生理学的変化を測定するためのフォトプレチスモグラフィ（ｐｐｇ）装置および方法
GB2412047A (en) Device for recovering missing frequency components
RU2017138262A (ru) Система и способ оптического анализа
US11096600B2 (en) Demodulating a signal from intermittently illuminated region
ATE493631T1 (de) Sensorsignaldetektionsschaltung
MY199693A (en) Moisture amount detection device
CN204013408U (zh) 一种微弱电信号放大检测电路
EP1841101A3 (de) Optisches Übertragungssystem
CN107817009A (zh) 一种激光自混合探测监测装置
WO2008013812A3 (en) Light source with tailored output spectrum