Medical Imaging, Acquisition and Processing

Size: px
Start display at page:

Download "Medical Imaging, Acquisition and Processing"

Transcription

1 Medical Imaging, Acquisition and Processing J. Kybic Center for Machine Perception, CTU Prague Medical Imaging, Acquisition and Processing p.1/59

2 Overview Introduction and motivation Modalities (acquisition devices) Microscopy, X-rays, CT, Ultrasound, PET/SPECT, EEG/MEG,... Data processing Preprocessing, Reconstruction, Segmentation, Registration, Classification,... Conclusions Medical Imaging, Acquisition and Processing p.2/59

3 Medical imaging pipeline Medical Imaging, Acquisition and Processing p.3/59

4 Medical imaging pipeline example patient/subject Physical property Raw data Improved data Images/volumes Quantitative/qualitative inf. Imaging device Preprocessing Reconstruction Interpretation physician Decision Medical Imaging, Acquisition and Processing p.4/59

5 Medical imaging pipeline example patient/subject Physical property Raw data Improved data Images/volumes Quantitative/qualitative inf. Imaging device Preprocessing Reconstruction Interpretation physician Decision Medical Imaging, Acquisition and Processing p.4/59

6 Medical imaging pipeline example patient/subject Physical property Raw data Improved data Images/volumes Quantitative/qualitative inf. Statistical processing Imaging device Preprocessing Reconstruction Interpretation physician Decision Medical Imaging, Acquisition and Processing p.4/59

7 Imaging device Physical property: density, absorbance, conductivity,... Imaging device Raw data Examples: CT, X-rays, MRI, ultrasound,... Medical Imaging, Acquisition and Processing p.5/59

8 Preprocessing A priori knowledge Raw data Preprocessed, cleaned, enhanced data Preprocessing Examples: Noise suppression, contract enhancement, intensity equalization, outlier elimination, bias compensation, time/space filtering,... Medical Imaging, Acquisition and Processing p.6/59

9 Reconstruction Physics of the acquisition device Preprocessed raw data Reconstruction Physically meaningfu images, volumes, sequences Inverse problem Examples: Tomographic reconstruction MRI, ultrasound... Medical Imaging, Acquisition and Processing p.7/59

10 Interpretation A priori knowledge Images, volumes, sequences Examples: Interpretation High-level processing Quantitative & qualitative inf. size, changes, metabolic inf. Registration, segmentation, classification, tracking,... Medical Imaging, Acquisition and Processing p.8/59

11 Modalities Medical Imaging, Acquisition and Processing p.9/59

12 Microscopy Optical microscopy since 17th century; Jensen, van Leeuwenhoek, Galilei,... Medical Imaging, Acquisition and Processing p.10/59

13 Microscopy examples placenta cross-section Medical Imaging, Acquisition and Processing p.11/59

14 Microscopy examples muscle capillaries Medical Imaging, Acquisition and Processing p.11/59

15 Microscopy examples crocodile ear slice Medical Imaging, Acquisition and Processing p.11/59

16 Microscopy examples retina Medical Imaging, Acquisition and Processing p.11/59

17 Microscopy types & trends Electron microscopy Electron transmission microscopy Confocal microscopy reject out-of-focus light, scanning Phase-contrast microscopy Fluorescence microscopy fluorescent dyes multiple sensing channels/filters multiple light sources visible, UV CCD cameras supercooled superresolution Moveable specimen tray Auto-focussing Automated acquisition, mosaicking Medical Imaging, Acquisition and Processing p.12/59

18 Microscopy Advantages High-spatial resolution Colour and texture information Affordable (optical microscopy) Proven technique large body of experts available Disadvantages Difficulties of in-vivo observations Inherently 2D Missing large-scale perspective Medical Imaging, Acquisition and Processing p.13/59

19 X-rays / Radiography 1895, W. Röntgen B. Röntgen hand modern hand Medical Imaging, Acquisition and Processing p.14/59

20 X-rays / Radiography (2) Modern chest radiography machine Medical Imaging, Acquisition and Processing p.15/59

21 X-rays / Radiography (3) Chest X-ray: Medical Imaging, Acquisition and Processing p.16/59

22 X-rays / Radiography (4) Advantages Widely used and available Experts available High-spatial resolution Excelent imaging of hard tissues (bones) Disadvantages Radiation exposure Difficulty in imaging soft-tissues 2D projection, hidden parts Medical Imaging, Acquisition and Processing p.17/59

23 X-rays / Radiography (5) New trends CCD sensors replace film higher sensitivity, faster exposure, lower dose dynamic imaging Medical Imaging, Acquisition and Processing p.18/59

24 Computed tomography The machine: Medical Imaging, Acquisition and Processing p.19/59

25 Computed tomography (2) Principle:? Medical Imaging, Acquisition and Processing p.20/59

26 Computed tomography (3) Example, lungs: Medical Imaging, Acquisition and Processing p.21/59

27 Computed tomography (3) Example, head: Medical Imaging, Acquisition and Processing p.21/59

28 Computed tomography (4) Advantages 3D volume High-spatial resolution Disadvantages Increased radiation dose Longer acquisition times Shadows, difficulties imaging soft-tissues Costly equipment Medical Imaging, Acquisition and Processing p.22/59

29 Ultrasound Equipment Medical Imaging, Acquisition and Processing p.23/59

30 Ultrasound Equipment Medical Imaging, Acquisition and Processing p.23/59

31 Ultrasound (2) Examples Fetus Medical Imaging, Acquisition and Processing p.24/59

32 Ultrasound (2) Examples Heart Medical Imaging, Acquisition and Processing p.24/59

33 Ultrasound (2) Examples Heart, Doppler Medical Imaging, Acquisition and Processing p.24/59

34 Ultrasound (3) Advantages Low-cost Proven technique Experts available Not invasive, no harmful effects Good imaging of soft tissues Easy dynamic acquisition Disadvantages Low-signal quality, speckle noise Low penetration depth or low spatial resolution Shadows from bones and other thick tissues Mostly 2D Medical Imaging, Acquisition and Processing p.25/59

35 Ultrasound (4) New trends 3D ultrasound High-frequency ultrasound Doppler ultrasound Medical Imaging, Acquisition and Processing p.26/59

36 MEG and EEG Magnetoencephalography Electroencephalography Medical Imaging, Acquisition and Processing p.27/59

37 MEG sensors SQUID array Gradiometers Medical Imaging, Acquisition and Processing p.28/59

38 Currents in the brain Quadripolar structure of action potential Action Potential 100 mv Propagation -80 mv K+ 1 ms + 20 mv Na+ -80mV Axon Membrane K+ Ion-pump Repolarization Na+ Ion-pump Depolarization Primary currents J p [A/m 2 ] Medical Imaging, Acquisition and Processing p.29/59

39 Magnetic measurements Medical Imaging, Acquisition and Processing p.30/59

40 Source localization Surface field: Brain field: Medical Imaging, Acquisition and Processing p.31/59

41 MEG and EEG Advantages EEG widely available Excellent temporal resolution, can observe brain activities at ms resolution Disadvantages MEG extremely expensive Poor spatial sampling / resolution Good reconstruction algorithms not yet available Necessity of a good head model Medical Imaging, Acquisition and Processing p.32/59

42 Magnetic resonance imaging (MRI) Larmor, Bloch, Purcell, Rabi, Lauterbur,... around Medical Imaging, Acquisition and Processing p.33/59

43 MRI Principles ω = γb Medical Imaging, Acquisition and Processing p.34/59

44 MRI Machine from inside Medical Imaging, Acquisition and Processing p.35/59

45 MRI Example Brain slice: Medical Imaging, Acquisition and Processing p.36/59

46 MRI Advantages Good spatial resolution True 3D acquisition Excellent contrast for all tissue types In vivo, non-invasive, no radiation Disadvantages Very expensive Acquisition somewhat long (3D) Poor temporal resolution (3D) Patient discomfort noise, claustrophoby Strong magnetic field Medical Imaging, Acquisition and Processing p.37/59

47 MRI Types and trends Sequences: gradient-echo, spin-echo,... Weighting: T1, T2, PD, BOLD,... Acceleration: EPI, FLASH, parallel,... Modalities: fmri, perfusion, flow,... Medical Imaging, Acquisition and Processing p.38/59

48 Other imaging methods Positron emission tomography (PET) Single positron emission tomography (SPECT) Gamma camera Termography... Medical Imaging, Acquisition and Processing p.39/59

49 Medical data processing Medical Imaging, Acquisition and Processing p.40/59

50 Medical imaging specificities (wrt. Computer vision) We want the physical reality, not to emulate human perception. We deal with many modalities, optical intuition often does not apply. Data are rare and expensive maximum information must be extracted. Approximations to be avoided if possible. Data are continuous, result is continuous we do not decide, we help to decide Algorithms must be robust and safe give no answer or a conservative answer, rather than a wrong answer. Physician is the ultimate judge computer is a tool. Accountability and verifyiability help credibility. Medical comunity wants clinical trials. Medical Imaging, Acquisition and Processing p.41/59

51 Basic data processing tasks Low level operations Segmentation Registration Classification Reconstruction / Inverse problems... Medical Imaging, Acquisition and Processing p.42/59

52 Contract enhancement original enhanced Medical Imaging, Acquisition and Processing p.43/59

53 Edge detection retinal cells Medical Imaging, Acquisition and Processing p.44/59

54 Segmentation Divide image into classes. Medical Imaging, Acquisition and Processing p.45/59

55 Segmentation (2) Easy for humans, difficult for computers. We do not know how brain perform segmentation. Algorithm is image and task dependent, needs a priori knowledge. Useful for: Separating objects, masking background Image simplification Shape, size and other statistics Medical Imaging, Acquisition and Processing p.46/59

56 How do we segment? Cells are black. Medical Imaging, Acquisition and Processing p.47/59

57 How do we segment? Cells are homogeneous connected components. Medical Imaging, Acquisition and Processing p.47/59

58 How do we segment? Arteries are bright and elongated. Medical Imaging, Acquisition and Processing p.47/59

59 Segmentation BRAIN MRI, SEGMENTATION fromresult MRI (T1) 10/25 original, gray and white brain matter, CSF Medical Imaging, Acquisition and Processing p.48/59

60 Image registration Find corresponding points Manual, automatic, semi-automatic Useful for: Comparing images from different times Comparing images from different methods Comparing images from different subjects Analyzing movement Segmentation Provides qualitative and quantitative information. Medical Imaging, Acquisition and Processing p.49/59

61 Image registration (2) reference image registration test image deformation warping warped image Medical Imaging, Acquisition and Processing p.50/59

62 Image alignment reference test before Medical Imaging, Acquisition and Processing p.51/59

63 Image alignment reference test before warped Medical Imaging, Acquisition and Processing p.51/59

64 Manual registration Landmark identification Landmark interpolation Medical Imaging, Acquisition and Processing p.52/59

65 Registration as minimization difference reference image criterion E optimization deformation function g(x) deformation test image deformed image Medical Imaging, Acquisition and Processing p.53/59

66 Registration examples EPI distortion After Medical Imaging, Acquisition and Processing p.54/59

67 Registration examples EPI distortion MRI atlas Atlas Medical Imaging, Acquisition and Processing p.54/59

68 Registration examples EPI distortion MRI atlas CT alignment After Medical Imaging, Acquisition and Processing p.54/59

69 Registration examples EPI distortion MRI atlas CT alignment SPECT atlas (with University Hospital in Geneva) Medical Imaging, Acquisition and Processing p.54/59

70 Registration examples EPI distortion MRI atlas CT alignment SPECT atlas Ultrasound velocity (with María J. Ledesma-Carbayo) Medical Imaging, Acquisition and Processing p.54/59

71 Registration examples EPI distortion MRI atlas CT alignment SPECT atlas Ultrasound MRI heart sequence Medical Imaging, Acquisition and Processing p.54/59

72 Registration examples EPI distortion MRI atlas CT alignment SPECT atlas Ultrasound MRI heart sequence MRI perfusion original uncorrected corrected Medical Imaging, Acquisition and Processing p.54/59

73 Tomographic reconstruction? The problem Medical Imaging, Acquisition and Processing p.55/59

74 Tomographic reconstruction Solution Medical Imaging, Acquisition and Processing p.55/59

75 Tomographic reconstruction Another solution Medical Imaging, Acquisition and Processing p.55/59

76 Radon transform s i,1 s i,2 u s i,j t angle θ i (Rf)(θ i, u j ) = f ( t cos θ i u j sin θ i, t sin θ i + u j cos θ i ) dt Medical Imaging, Acquisition and Processing p.56/59

77 Radon transform s i,1 s i,2 u s i,j t angle θ i (Rf)(θ i, u j ) = f ( ) t cos θ i u j sin θ i, t sin θ i + u j cos θ i dt ( ) I = I 0 exp ρ(r)ds(r) r S Medical Imaging, Acquisition and Processing p.56/59

78 Reconstruction algorithms Phantom Phantom Medical Imaging, Acquisition and Processing p.57/59

79 Reconstruction algorithms Backprojection Backprojection nt=8 nu=32 50 Variational reconstruction Variational reconstruction nu=32 nt=8 gamma= angles (each 22 ), 32 samples per angle Medical Imaging, Acquisition and Processing p.57/59

80 Other algorithms and topics Inverse problems MEG, optical tomography,... Classification is the patient/sample healthy? Optical, shape reconstruction provide 3D shape Texture analysis Machine learning, uncertainty Related subjects: Databases and information infrastructure PACS (Picture Archiving and Communication Systems) Expert systems, knowledge engineering, data mining... Medical Imaging, Acquisition and Processing p.58/59

81 Medical imaging Conclusions Medical imaging experiences a recent boom: Many modalities Instruments are digitalized and more widespread More powerful and affordable computers Large quantity of data is produced. Computers can help to: make data meaningful extract previously unavailable information visualize, compare and analyse scan for abnormalities provide the right information for physicians to make the decision Medical Imaging, Acquisition and Processing p.59/59

82 Medical imaging Conclusions Medical imaging experiences a recent boom: Many modalities Instruments are digitalized and more widespread More powerful and affordable computers Large quantity of data is produced. Computers can help to: make data meaningful extract previously unavailable information visualize, compare and analyse scan for abnormalities provide the right information for physicians to make the decision Medical Imaging, Acquisition and Processing p.59/59

Functional neuroimaging. Imaging brain function in real time (not just the structure of the brain).

Functional neuroimaging. Imaging brain function in real time (not just the structure of the brain). Functional neuroimaging Imaging brain function in real time (not just the structure of the brain). The brain is bloody & electric Blood increase in neuronal activity increase in metabolic demand for glucose

More information

X-Rays were discovered accidentally in 1895 by Wilhelm Conrad Röntgen

X-Rays were discovered accidentally in 1895 by Wilhelm Conrad Röntgen X-Rays were discovered accidentally in 1895 by Wilhelm Conrad Röntgen Due to their short wavelength, on the order of magnitude of cells, and their high energy, they can penetrate skin and other soft tissue.

More information

FXA UNIT G485 Module DIAGNOSIS METHODS. Candidates should be able to :

FXA UNIT G485 Module DIAGNOSIS METHODS. Candidates should be able to : 1 Candidates should be able to : RADIOACTIVE MEDICAL TRACERS Describe the use of medical tracers like technetium-99m to diagnose the function of organs. These are radioactive elements or compounds which

More information

ParaVision 6. Innovation with Integrity. The Next Generation of MR Acquisition and Processing for Preclinical and Material Research.

ParaVision 6. Innovation with Integrity. The Next Generation of MR Acquisition and Processing for Preclinical and Material Research. ParaVision 6 The Next Generation of MR Acquisition and Processing for Preclinical and Material Research Innovation with Integrity Preclinical MRI A new standard in Preclinical Imaging ParaVision sets a

More information

C1 Medical Imaging Modalities & Characteristics. 4005-759 Linwei Wang

C1 Medical Imaging Modalities & Characteristics. 4005-759 Linwei Wang C1 Medical Imaging Modalities & Characteristics 4005-759 Linwei Wang Major Types of Medical Imaging Modalities X-ray Imaging Computed Tomography (CT) Magnetic Resonance Imaging (MRI) Nuclear Imaging Positron

More information

Introducing MIPAV. In this chapter...

Introducing MIPAV. In this chapter... 1 Introducing MIPAV In this chapter... Platform independence on page 44 Supported image types on page 45 Visualization of images on page 45 Extensibility with Java plug-ins on page 47 Sampling of MIPAV

More information

MRI: Magnetic resonance imaging:

MRI: Magnetic resonance imaging: MRI: Magnetic resonance imaging: Like CT, MRI produces detailed cross sectional images of body regions. However the physical principles of image acquisition are different and very complicated. The following

More information

Medical Image Processing on the GPU. Past, Present and Future. Anders Eklund, PhD Virginia Tech Carilion Research Institute andek@vtc.vt.

Medical Image Processing on the GPU. Past, Present and Future. Anders Eklund, PhD Virginia Tech Carilion Research Institute andek@vtc.vt. Medical Image Processing on the GPU Past, Present and Future Anders Eklund, PhD Virginia Tech Carilion Research Institute andek@vtc.vt.edu Outline Motivation why do we need GPUs? Past - how was GPU programming

More information

Image analysis. Daniel Smutek

Image analysis. Daniel Smutek Image analysis Daniel Smutek Biological imaging Radiology (clinical imaging) Endoscopy Microscopy Maps from biomedical signals electroencephalography (EEG) magnetoencephalography (MEG) Clinical/Medical

More information

Molecular Imaging and Prostate Cancer

Molecular Imaging and Prostate Cancer Molecular Imaging and Prostate Cancer Prostate cancer is the second leading cause of cancer death in American men, behind only lung cancer. Based on rates from 2004 2006, the National Cancer Institute

More information

Radiology. Floron C. Faries, Jr. DVM, MS

Radiology. Floron C. Faries, Jr. DVM, MS Radiology Floron C. Faries, Jr. DVM, MS Objectives Determine the appropriate machine settings for making a radiograph Describe essential radiograph accessories Describe the positions used to perform radiographs

More information

Computed Tomography, Head Or Brain; Without Contrast Material, Followed By Contrast Material(S) And Further Sections

Computed Tomography, Head Or Brain; Without Contrast Material, Followed By Contrast Material(S) And Further Sections 1199SEIU BENEFIT AND PENSION FUNDS High Tech Diagnostic Radiology and s # 1 70336 Magnetic Resonance (Eg, Proton) Imaging, Temporomandibular Joint(S) 2 70450 Computed Tomography, Head Or Brain; Without

More information

12. CONFOCAL MICROSCOPY. Confocal microscopy can render depth-resolved slices through a 3D object by

12. CONFOCAL MICROSCOPY. Confocal microscopy can render depth-resolved slices through a 3D object by 12. CONFOCAL MICROSCOPY Confocal microscopy can render depth-resolved slices through a 3D object by rejecting much of the out of focus light via a pinhole. The image is reconstructed serially, i.e. point

More information

X-Rays Benefits and Risks. Techniques that use x-rays

X-Rays Benefits and Risks. Techniques that use x-rays X-Rays Benefits and Risks X-rays are a form of electromagnetic radiation, just like light waves and radiowaves. Because X-rays have higher energy than light waves, they can pass through the body. X-rays

More information

Q1. Both X-ray machines and CT scanners are used to produce images of the body.

Q1. Both X-ray machines and CT scanners are used to produce images of the body. Q. Both X-ray machines and CT scanners are used to produce images of the body. (a) The diagram shows an X-ray photograph of a broken leg. Before switching on the X-ray machine, the radiographer goes behind

More information

Short Courses in Imaging Sciences

Short Courses in Imaging Sciences Short Courses in Imaging Sciences The Centre for In Vivo Imaging Science (CIVIS) is delighted to offer online Continuing Professional Education to support your educational objectives, career goals and

More information

Cognitive Neuroscience. Questions. Multiple Methods. Electrophysiology. Multiple Methods. Approaches to Thinking about the Mind

Cognitive Neuroscience. Questions. Multiple Methods. Electrophysiology. Multiple Methods. Approaches to Thinking about the Mind Cognitive Neuroscience Approaches to Thinking about the Mind Cognitive Neuroscience Evolutionary Approach Sept 20-22, 2004 Interdisciplinary approach Rapidly changing How does the brain enable cognition?

More information

Basic principles of computed tomography. MUDr. Lukáš Mikšík, KZM FN Motol

Basic principles of computed tomography. MUDr. Lukáš Mikšík, KZM FN Motol Basic principles of computed tomography MUDr. Lukáš Mikšík, KZM FN Motol Tomography tomos = slice; graphein = to write definition - imaging of an object by analyzing its slices Damien Hirst Autopsy with

More information

AI CPT Codes. x x. 70336 MRI Magnetic resonance (eg, proton) imaging, temporomandibular joint(s)

AI CPT Codes. x x. 70336 MRI Magnetic resonance (eg, proton) imaging, temporomandibular joint(s) Code Category Description Auth Required Medicaid Medicare 0126T IMT Testing Common carotid intima-media thickness (IMT) study for evaluation of atherosclerotic burden or coronary heart disease risk factor

More information

BME 501 - Introduction to BME. Bioelectrical Engineering Part: Medical Imaging

BME 501 - Introduction to BME. Bioelectrical Engineering Part: Medical Imaging BME 501 - Introduction to BME Bioelectrical Engineering Part: Medical Imaging Reference Textbook: Principles of Medical Imaging, by Shung, Smith and Tsui Lecturer: Murat EYÜBOĞLU, Ph.D. Dept. of Electrical

More information

RADIOLOGY SERVICES. By Dr Lim Eng Kok 1

RADIOLOGY SERVICES. By Dr Lim Eng Kok 1 INTRODUCTION RADIOLOGY SERVICES By Dr Lim Eng Kok 1 Radiology is the branch of medicine that deals with the use of ionising (e.g. x- rays and radio-isotopes) and non-ionising radiation (e.g. ultrasound

More information

Image Area. View Point. Medical Imaging. Advanced Imaging Solutions for Diagnosis, Localization, Treatment Planning and Monitoring. www.infosys.

Image Area. View Point. Medical Imaging. Advanced Imaging Solutions for Diagnosis, Localization, Treatment Planning and Monitoring. www.infosys. Image Area View Point Medical Imaging Advanced Imaging Solutions for Diagnosis, Localization, Treatment Planning and Monitoring www.infosys.com Over the years, medical imaging has become vital in the early

More information

PHYSICAL METHODS, INSTRUMENTS AND MEASUREMENTS Vol. III - Medical and Industrial Tomography - W.B.Gilboy

PHYSICAL METHODS, INSTRUMENTS AND MEASUREMENTS Vol. III - Medical and Industrial Tomography - W.B.Gilboy MEDICAL AND INDUSTRIAL TOMOGRAPHY Department of Physics, University of Surrey, Guildford, Surrey, U.K. Keywords: Radiography, transmission tomography, emission tomography, microtomography, SPECT (single

More information

Magnetic Resonance Imaging

Magnetic Resonance Imaging Magnetic Resonance Imaging What are the uses of MRI? To begin, not only are there a variety of scanning methodologies available, but there are also a variety of MRI methodologies available which provide

More information

Analysis of Image Processing for Digital X-Ray

Analysis of Image Processing for Digital X-Ray Analysis of Image Processing for Digital X-Ray Akshay Trimbak Chikhalekar Dept. of MCA, Dr. G.D. Pol Foundation YMT College of Management, Maharashtra, India ---------------------------------------------------------------------***---------------------------------------------------------------------

More information

A Comparison of Five Methods for Signal Intensity Standardization in MRI

A Comparison of Five Methods for Signal Intensity Standardization in MRI A Comparison of Five Methods for Signal Intensity Standardization in MRI Jan-Philip Bergeest, Florian Jäger Lehrstuhl für Mustererkennung, Friedrich-Alexander-Universität Erlangen-Nürnberg jan.p.bergeest@informatik.stud.uni-erlangen.de

More information

Chapter 1 Introduction

Chapter 1 Introduction Chapter 1 Introduction 1.1 What is digital image processing 1.2 The origins of digital image processing 1.3 Examples of fields that use DIP 1.4 Fundamental Steps in DIP 1.5 Components of an image processing

More information

Introduction. Stefano Ferrari. Università degli Studi di Milano stefano.ferrari@unimi.it. Elaborazione delle immagini (Image processing I)

Introduction. Stefano Ferrari. Università degli Studi di Milano stefano.ferrari@unimi.it. Elaborazione delle immagini (Image processing I) Introduction Stefano Ferrari Università degli Studi di Milano stefano.ferrari@unimi.it Elaborazione delle immagini (Image processing I) academic year 2011 2012 Image processing Computer science concerns

More information

Image Registration and Fusion. Professor Michael Brady FRS FREng Department of Engineering Science Oxford University

Image Registration and Fusion. Professor Michael Brady FRS FREng Department of Engineering Science Oxford University Image Registration and Fusion Professor Michael Brady FRS FREng Department of Engineering Science Oxford University Image registration & information fusion Image Registration: Geometric (and Photometric)

More information

5.4 CT Number Accuracy and Noise

5.4 CT Number Accuracy and Noise 186 Chapter 5 5.4 CT Number Accuracy and Noise In many clinical practices, radiologists rely on the value of measured CT numbers to differentiate healthy tissue from disease pathology. Although this practice

More information

Concussion Rates per Sport

Concussion Rates per Sport PSE4U UNIT 1: SPORTS-RELATED HEAD INJURIES DUE DATE: LATE PENALTY (-5% PER WEEK): K/U T/I C A FINAL MARK 10 10 10 32 62 PART A: BRAINSTORMING [T/I /10] [C /10] 1.) Construct a mind-map: research the amount

More information

Digital Tomosynthesis: Advanced Breast Cancer Imaging Technique. Max Wiedmann

Digital Tomosynthesis: Advanced Breast Cancer Imaging Technique. Max Wiedmann Digital Tomosynthesis: Advanced Breast Cancer Imaging Technique Max Wiedmann Digital Tomosynthesis An imaging technique in which multiple X-rays of one object are take from a discrete number angles. These

More information

CPT Radiology Codes Requiring Review by AIM Effective 01/01/2016

CPT Radiology Codes Requiring Review by AIM Effective 01/01/2016 CPT Radiology Codes Requiring Review by AIM Effective 01/01/2016 When a service is authorized only one test per group is payable. *Secondary codes or add-on codes do not require preauthorization or separate

More information

COLLEGE ON MEDICAL PHYSICS

COLLEGE ON MEDICAL PHYSICS COLLEGE ON MEDICAL PHYSICS (30 August - 22 September 2004) Miramare - Trieste, Italy Directors: A. Benini, P. Sprawls and S. Tabakov Local Organizer: L. Bertocchi FINAL PROGRAMME (all lectures were held

More information

Computed Tomography Scientific/Technological fact sheet

Computed Tomography Scientific/Technological fact sheet Students material Medical Imaging The Glass Patient Computed Tomography Scientific/Technological fact sheet Introduction In conventional X-ray imaging, the entire thickness of the body is projected on

More information

runl I IUI%I/\L Magnetic Resonance Imaging

runl I IUI%I/\L Magnetic Resonance Imaging runl I IUI%I/\L Magnetic Resonance Imaging SECOND EDITION Scott A. HuetteS Brain Imaging and Analysis Center, Duke University Allen W. Song Brain Imaging and Analysis Center, Duke University Gregory McCarthy

More information

DIAGNOSTIC MEDICAL IMAGING 1st Part --Introduction. Ing. Tommaso Rossi tommaso.rossi@uniroma2.it

DIAGNOSTIC MEDICAL IMAGING 1st Part --Introduction. Ing. Tommaso Rossi tommaso.rossi@uniroma2.it DIAGNOSTIC MEDICAL IMAGING 1st Part --Introduction Ing. Tommaso Rossi tommaso.rossi@uniroma2.it Tommaso Rossi - Modulo di SEGNALI, a.a. 2013/2014 Overview 2 How we can look on the inside of human body?

More information

R/F. Efforts to Reduce Exposure Dose in Chest Tomosynthesis Targeting Lung Cancer Screening. 3. Utility of Chest Tomosynthesis. 1.

R/F. Efforts to Reduce Exposure Dose in Chest Tomosynthesis Targeting Lung Cancer Screening. 3. Utility of Chest Tomosynthesis. 1. R/F Efforts to Reduce Exposure Dose in Chest Tomosynthesis Targeting Lung Cancer Screening Department of Radiology, National Cancer Center Hospital East Kaoru Shimizu Ms. Kaoru Shimizu 1. Introduction

More information

Society of Nuclear Medicine 1850 Samuel Morse Drive Reston, VA 20190-5316 www.snm.org

Society of Nuclear Medicine 1850 Samuel Morse Drive Reston, VA 20190-5316 www.snm.org What is nuclear medicine? Nuclear medicine is a medical specialty that is used to diagnose and treat diseases in a safe and painless way. Nuclear medicine procedures permit the determination of medical

More information

How lasers work. The laser medium. Population Inversion. L 36 Modern Physics [2] Spontaneous vs Stimulated Emission.

How lasers work. The laser medium. Population Inversion. L 36 Modern Physics [2] Spontaneous vs Stimulated Emission. L 36 Modern Physics [2] How lasers work Medical applications of lasers Applications of high power lasers Medical imaging techniques CAT scans MRI s How lasers work First we must understand the difference

More information

Chapter 5 X-ray imaging 5.1 The physics of diagnostic X-rays

Chapter 5 X-ray imaging 5.1 The physics of diagnostic X-rays Chapter 5 X-ray imaging 5.1 The physics of diagnostic X-rays Learning objectives: How are X-rays produced in an X-ray tube? How is the energy of the photons from an X-ray tube controlled? Why are photons

More information

Biomedical Imaging Modalities

Biomedical Imaging Modalities 1 Biomedical Imaging Modalities The introduction of advanced imaging techniques has improved significantly the quality of medical care available to patients. Noninvasive imaging modalities allow a physician

More information

Multi-modal image registration of CT and Optical Coherence Tomography (OCT) images

Multi-modal image registration of CT and Optical Coherence Tomography (OCT) images Multi-modal image registration of CT and Optical Coherence Tomography (OCT) images (Dipl.-Math.) Jesús Díaz Díaz Research Assistant Insitute of Mechatronic Systems (imes) - University of Hannover www:

More information

Introduction to Medical Imaging - Medical Student Clerkship Lecture

Introduction to Medical Imaging - Medical Student Clerkship Lecture PATIENT CARE IN RADIOLOGY Introduction to Medical Imaging CLINICAL Kalpana M. Kanal, PhD, DABR Assistant Professor, Diagnostic Physics Dept. of Radiology UW Medicine a copy of this lecture may be found

More information

Automatic Liver Segmentation using the Random Walker Algorithm

Automatic Liver Segmentation using the Random Walker Algorithm Automatic Liver Segmentation using the Random Walker Algorithm F. Maier 1,2, A. Wimmer 2,3, G. Soza 2, J. N. Kaftan 2,4, D. Fritz 1,2, R. Dillmann 1 1 Universität Karlsruhe (TH), 2 Siemens Medical Solutions,

More information

Avera Health Plans Imaging Preauthorization List Managed By EviCore 7/1/16

Avera Health Plans Imaging Preauthorization List Managed By EviCore 7/1/16 Avera Health Plans Imaging Preauthorization List Managed By EviCore 7/1/16 70336 Magnetic resonance (eg, proton) imaging, temporomandibular joint(s) 70450 Computed tomography, head or brain; without contrast

More information

Integration and Visualization of Multimodality Brain Data for Language Mapping

Integration and Visualization of Multimodality Brain Data for Language Mapping Integration and Visualization of Multimodality Brain Data for Language Mapping Andrew V. Poliakov, PhD, Kevin P. Hinshaw, MS, Cornelius Rosse, MD, DSc and James F. Brinkley, MD, PhD Structural Informatics

More information

Neuro imaging: looking with lasers in the brain

Neuro imaging: looking with lasers in the brain Neuro imaging: looking with lasers in the brain Aim: To image life cells, label free, with cellular resolution in deep tissue Marloes Groot Vrije Universiteit Amsterdam Faculteit Exacte Wetenschappen Natuurkunde

More information

Exposure SURE. Low Dose Diagnostic Image Quality. Erin Angel, PhD. Manager, Clinical Sciences, CT Toshiba America Medical Systems, Inc.

Exposure SURE. Low Dose Diagnostic Image Quality. Erin Angel, PhD. Manager, Clinical Sciences, CT Toshiba America Medical Systems, Inc. Exposure Low Dose Diagnostic Image Quality Erin Angel, PhD Manager, Clinical Sciences, CT Toshiba America Medical Systems, Inc. Exposure: Low Dose Diagnostic Image Quality 1 Since its inception, Computed

More information

Scientific Data Visualization Foundation

Scientific Data Visualization Foundation Scientific Data Visualization Foundation Data Sources Scientific Visualization Pipelines Data Acquisition Methods GeoVisualization 1 Scientific Data Sources Common data sources: Scanning devices Computation

More information

NHS Imaging and Radiodiagnostic activity in England. 2012/13 Release. August 2013

NHS Imaging and Radiodiagnostic activity in England. 2012/13 Release. August 2013 NHS Imaging and Radiodiagnostic activity in England 2012/13 Release August 2013 Commentary This National Statistics release covers Imaging and Radiodiagnostic examinations or tests carried out in the NHS

More information

Choosing a digital camera for your microscope John C. Russ, Materials Science and Engineering Dept., North Carolina State Univ.

Choosing a digital camera for your microscope John C. Russ, Materials Science and Engineering Dept., North Carolina State Univ. Choosing a digital camera for your microscope John C. Russ, Materials Science and Engineering Dept., North Carolina State Univ., Raleigh, NC One vital step is to choose a transfer lens matched to your

More information

Brain Imaging and Mental Health Issues in Criminal Cases. Wm. F. Klumpp, Jr. Assistant Attorney General August 27, 2013

Brain Imaging and Mental Health Issues in Criminal Cases. Wm. F. Klumpp, Jr. Assistant Attorney General August 27, 2013 Brain Imaging and Mental Health Issues in Criminal Cases Wm. F. Klumpp, Jr. Assistant Attorney General August 27, 2013 Graham v Florida, 130 S Ct 2011 (2010) 8 th Amendment prohibits life w/o parole on

More information

Advances in scmos Camera Technology Benefit Bio Research

Advances in scmos Camera Technology Benefit Bio Research Advances in scmos Camera Technology Benefit Bio Research scmos camera technology is gaining in popularity - Why? In recent years, cell biology has emphasized live cell dynamics, mechanisms and electrochemical

More information

CPT * Codes Included in AIM Preauthorization Program for 2013 With Grouper Numbers

CPT * Codes Included in AIM Preauthorization Program for 2013 With Grouper Numbers CPT * Codes Included in AIM Preauthorization Program for 2013 With Grouper Numbers Computerized Tomography (CT) CPT Description Abdomen 74150 CT abdomen; w/o contrast 6 74160 CT abdomen; with contrast

More information

Magnetic Resonance (Eg, Proton) Imaging, Temporomandibular Joint(S) MRI

Magnetic Resonance (Eg, Proton) Imaging, Temporomandibular Joint(S) MRI High Tech Radiology and s (Sorted by s) # Full Description 1 70336 Magnetic Resonance (Eg, Proton) Imaging, Temporomandibular Joint(S) 2 70450 Computed Tomography, Head Or Brain; Without Contrast Material

More information

3.0 Goals: Understanding how ultrasound works; its uses, strengths, and weaknesses

3.0 Goals: Understanding how ultrasound works; its uses, strengths, and weaknesses 46 CHAPTER THREE ULTRASOUND 3.0 Goals: Understanding how ultrasound works; its uses, strengths, and weaknesses Objective questions: 3.1 What is ultrasound? 3.2 How does ultrasound work? 3.3 How is an image

More information

First floor, Main Hospital North Services provided 24/7 365 days per year

First floor, Main Hospital North Services provided 24/7 365 days per year First floor, Main Hospital North Services provided 24/7 365 days per year General Radiology (X-ray) Fluoroscopy Ultrasound (Sonography) Nuclear Medicine P.E.T. imaging Computed Tomography (CT scan) Magnetic

More information

Diagnostic Imaging Prior Review Code List 3 rd Quarter 2016

Diagnostic Imaging Prior Review Code List 3 rd Quarter 2016 Computerized Tomography (CT) Abdomen 6 Abdomen/Pelvis Combination 101 Service 74150 CT abdomen; w/o 74160 CT abdomen; with 74170 CT abdomen; w/o followed by 74176 Computed tomography, abdomen and pelvis;

More information

Volume visualization I Elvins

Volume visualization I Elvins Volume visualization I Elvins 1 surface fitting algorithms marching cubes dividing cubes direct volume rendering algorithms ray casting, integration methods voxel projection, projected tetrahedra, splatting

More information

Introduction. Imaging with CARE. With nuclear medicine and molecular imaging, physicians. can obtain unique insights into a patient s body that allow

Introduction. Imaging with CARE. With nuclear medicine and molecular imaging, physicians. can obtain unique insights into a patient s body that allow With nuclear medicine and molecular imaging, physicians can obtain unique insights into a patient s body that allow for a more personalized approach to the evaluation and management of heart disease, cancer

More information

Michał Strzelecki, Paweł Strumiłło [mstrzel,pstrumil]@p.lodz.pl

Michał Strzelecki, Paweł Strumiłło [mstrzel,pstrumil]@p.lodz.pl Michał Strzelecki, Paweł Strumiłło [mstrzel,pstrumil]@p.lodz.pl One picture is worth more than ten thousand words Anonymous Literature: 1. Lecture notes (*.pdf files) www.eletel.p.lodz.pl 2. R.C. Gonzales,

More information

X-ray (Radiography), Bone

X-ray (Radiography), Bone X-ray (Radiography), Bone What is Bone X-ray (Radiography)? An x-ray (radiograph) is a noninvasive medical test that helps physicians diagnose and treat medical conditions. Imaging with x-rays involves

More information

2013 CPT Code and Physician Work RVU Changes Relevant to Neuroradiology

2013 CPT Code and Physician Work RVU Changes Relevant to Neuroradiology and Changes Relevant to Neuroradiology The Changes and Relative Value Units (RVUs) have been released with an effective date of January 1,. Note: The below physician work RVUs reflect the national payment

More information

A Three-Dimensional Correlation Method for Registration of Medical Images in Radiology

A Three-Dimensional Correlation Method for Registration of Medical Images in Radiology A Three-Dimensional Correlation Method for Registration of Medical Images in Radiology Michalakis F. Georgiou 1, Joachim H. Nagel 2, George N. Sfakianakis 3 1,3 Department of Radiology, University of Miami

More information

Image Acquisition. Fluorescent Microscope. Imaging Device. Four Types of Images. Benefits of Electronic Detectors. The Imaging Triangle 5.12.

Image Acquisition. Fluorescent Microscope. Imaging Device. Four Types of Images. Benefits of Electronic Detectors. The Imaging Triangle 5.12. Fluorescent Microscope Image Acquisition Lightsource Optics Detector Fluorescence Microscopy and Quantitative Imaging Image acquired can not be better than image generated by microscope (but it can be

More information

MI Software. Innovation with Integrity. High Performance Image Analysis and Publication Tools. Preclinical Imaging

MI Software. Innovation with Integrity. High Performance Image Analysis and Publication Tools. Preclinical Imaging MI Software High Performance Image Analysis and Publication Tools Innovation with Integrity Preclinical Imaging Molecular Imaging Software Molecular Imaging (MI) Software provides high performance image

More information

2 Neurons. 4 The Brain: Cortex

2 Neurons. 4 The Brain: Cortex 1 Neuroscience 2 Neurons output integration axon cell body, membrane potential Frontal planning control auditory episodes soma motor Temporal Parietal action language objects space vision Occipital inputs

More information

Modern methods for solving inverse problems

Modern methods for solving inverse problems Modern methods for solving inverse problems Jürgen Hesser Experimental Radiation Oncology University Medical Center Mannheim University of Heidelberg 1 Motivation Image Guided Radiation Therapy (IGRT)

More information

Robot Perception Continued

Robot Perception Continued Robot Perception Continued 1 Visual Perception Visual Odometry Reconstruction Recognition CS 685 11 Range Sensing strategies Active range sensors Ultrasound Laser range sensor Slides adopted from Siegwart

More information

COURSE DESCRIPTION FOR NONDESTRUCTIVE TESTING

COURSE DESCRIPTION FOR NONDESTRUCTIVE TESTING COURSE DESCRIPTION FOR NONDESTRUCTIVE TESTING TULSA, OKLAHOMA 1 P a g e INTRODUCTION TO NONDESTRUCTIVE TESTING QCT1808 COURSE DESCRIPTION: In this course students will learn about materials and processes,

More information

Cone Beam Reconstruction Jiang Hsieh, Ph.D.

Cone Beam Reconstruction Jiang Hsieh, Ph.D. Cone Beam Reconstruction Jiang Hsieh, Ph.D. Applied Science Laboratory, GE Healthcare Technologies 1 Image Generation Reconstruction of images from projections. textbook reconstruction advanced acquisition

More information

Nuclear Medicine Scientific/Technological fact sheet

Nuclear Medicine Scientific/Technological fact sheet Students material Medical Imaging The Glass Patient Nuclear Medicine Scientific/Technological fact sheet Introduction Suppose we want to find bone tumours. These are difficult to detect with a CT scanner,

More information

Radiation therapy involves using many terms you may have never heard before. Below is a list of words you could hear during your treatment.

Radiation therapy involves using many terms you may have never heard before. Below is a list of words you could hear during your treatment. Dictionary Radiation therapy involves using many terms you may have never heard before. Below is a list of words you could hear during your treatment. Applicator A device used to hold a radioactive source

More information

Contrast enhancement of soft tissues in Computed Tomography images

Contrast enhancement of soft tissues in Computed Tomography images Contrast enhancement of soft tissues in Computed Tomography images Roman Lerman, Daniela S. Raicu, Jacob D. Furst Intelligent Multimedia Processing Laboratory School of Computer Science, Telecommunications,

More information

How are Parts of the Brain Related to Brain Function?

How are Parts of the Brain Related to Brain Function? How are Parts of the Brain Related to Brain Function? Scientists have found That the basic anatomical components of brain function are related to brain size and shape. The brain is composed of two hemispheres.

More information

X-ray (Radiography) - Bone

X-ray (Radiography) - Bone Scan for mobile link. X-ray (Radiography) - Bone Bone x-ray uses a very small dose of ionizing radiation to produce pictures of any bone in the body. It is commonly used to diagnose fractured bones or

More information

Data compression of X-ray images

Data compression of X-ray images Strahlenschutzkommission Geschäftsstelle der Strahlenschutzkommission Postfach 12 06 29 53048 Bonn http://www.ssk.de Data compression of X-ray images Recommendation by the German Commission on Radiological

More information

Digital Image Processing with DragonflyPACS

Digital Image Processing with DragonflyPACS Digital Image Processing with DragonflyPACS The Smarter PACS The smartest image processing system in veterinary medicine. Outstanding image quality that s compliant with DICOM 3.0 standards. Compatible

More information

PROFESSIONAL CERTIFICATION PROGRAMS FOR MEDICAL PHYSICISTS. Andy Miller, MS, CHP VA Medical Center Nashville, TN

PROFESSIONAL CERTIFICATION PROGRAMS FOR MEDICAL PHYSICISTS. Andy Miller, MS, CHP VA Medical Center Nashville, TN PROFESSIONAL CERTIFICATION PROGRAMS FOR MEDICAL PHYSICISTS Andy Miller, MS, CHP VA Medical Center Nashville, TN Introduction Medical Physics Areas of Specialization in Medical Physics Certifying Organizations

More information

Confocal Microscopy - principles and applications

Confocal Microscopy - principles and applications Confocal Microscopy - principles and applications Dave Johnston / Anton Page Biomedical Imaging Unit Confocal Microscopy 1 focus - standard microscopy In standard microscopy, unless the specimen is very

More information

Medical Imaging Introduction to Medical Imaging

Medical Imaging Introduction to Medical Imaging Micha Strzelecki Institute of Electronics Medical Imaging Biomedical Engineering, IFE, 2013 Medical Imaging Introduction Image quality Imaging technology: Radiography Computed Tomography Magnetic Resonance

More information

Patient Prep Information

Patient Prep Information Stereotactic Breast Biopsy Patient Prep Information Imaging Services Cannon Memorial Hospital Watauga Medical Center Table Weight Limits for each facility Cannon Memorial Hospital Watauga Medical Center

More information

Prepublication Requirements

Prepublication Requirements Issued Prepublication Requirements The Joint Commission has approved the following revisions for prepublication. While revised requirements are published in the semiannual updates to the print manuals

More information

PROCEDURE DESCRIPTION RADIOLOGY STUDIES

PROCEDURE DESCRIPTION RADIOLOGY STUDIES CPT CODE PROCEDURE DESCRIPTION RADIOLOGY STUDIES CT SCANS: 70450 CT HEAD/BRAIN W/O CONTRAST 70460 CT HEAD/BRAIN W/ CONTRAST 70470 CT HEAD/BRAIN W/O & W/ CONTRAST 70480 CT ORBIT W/O CONTRAST 70481 CT ORBIT

More information

Information for. Patients with an Abnormal Lung X-Ray

Information for. Patients with an Abnormal Lung X-Ray Information for Patients with an Abnormal Lung X-Ray Some of the materials in this resource were adapted, with permission, from: Understanding Lung Cancer, Juravinski Cancer Centre, Hamilton Health Sciences,

More information

USE OF TEXTURES FOR MONITORING THE TREATMENT OF LEG ULCERS

USE OF TEXTURES FOR MONITORING THE TREATMENT OF LEG ULCERS USE OF TEXTURES FOR MONITORING THE TREATMENT OF LEG ULCERS Gilmar Caiado Fleury Medeiros a João Eduardo Borelli b Adilson Gonzaga c a, c University of São Paulo, São Carlos Engineering School, Electrical

More information

PETER PAZMANY CATHOLIC UNIVERSITY Consortium members SEMMELWEIS UNIVERSITY, DIALOG CAMPUS PUBLISHER

PETER PAZMANY CATHOLIC UNIVERSITY Consortium members SEMMELWEIS UNIVERSITY, DIALOG CAMPUS PUBLISHER PETER PAZMANY CATHOLIC UNIVERSITY SEMMELWEIS UNIVERSITY Development of Complex Curricula for Molecular Bionics and Infobionics Programs within a consortial* framework** Consortium leader PETER PAZMANY

More information

Understanding Digital Modalities: System Integration and Use

Understanding Digital Modalities: System Integration and Use Understanding Digital Modalities: System Integration and Use Donald J. Peck, PhD Henry Ford Health System Detroit, MI donaldp@rad.hfh.edu Dicom Digital Imaging and Communications in Medicine Part 3: Information

More information

Image Processing Introduction and Overview

Image Processing Introduction and Overview Image Processing Introduction and Overview Prof. Eric Miller elmiller@ece.tufts.edu Fall 2007 EN 74-ECE Image Processing Lecture 1-1 Today s Lecture All the dull administrative stuff first Introduction

More information

Q a u nt n itta t titve v e 3D D Wh W o h l o e Breast timagi g ng n g with t Trans n mission o n and n d Reflfec e tion o n Ultr t aso s u o n u d

Q a u nt n itta t titve v e 3D D Wh W o h l o e Breast timagi g ng n g with t Trans n mission o n and n d Reflfec e tion o n Ultr t aso s u o n u d Quantitative 3D Whole Breast Imaging with Transmission and Ultrasound Michael Andre, PhD,James Wiskin, PhD, Haydee Ojeda- Fournier, MD, Linda Olson, MD, David Borup, PhD, Melissa Ledgerwood, B.S., Steven

More information

Procedures/risks: Radiology (CT, DXA, MRI, ultrasound, X-ray)

Procedures/risks: Radiology (CT, DXA, MRI, ultrasound, X-ray) Procedures/risks: Radiology (CT, DXA, MRI, ultrasound, X-ray) Computerized Axial Tomography (CT): Procedure: A Computerized Axial Tomography (CT) scan [of your heart] involves holding your breath for a

More information

Hunting Bats. Diagnostic Ultrasound. Ultrasound Real-time modality

Hunting Bats. Diagnostic Ultrasound. Ultrasound Real-time modality Diagnostik Ultrasound Basic physics, image reconstruction and signal processing Per Åke Olofsson Dpt of Biomedical Engineering, Malmö University Hospital, Sweden Ultrasound Real-time modality 17-WEEK FETAL

More information

with Light Arjun G. Yodh University of Pennsylvania U n i v e r s i t y o f P e n n s y l v a n i a

with Light Arjun G. Yodh University of Pennsylvania U n i v e r s i t y o f P e n n s y l v a n i a Imaging g Inside the Human Body with Light Arjun G. Yodh University of Pennsylvania Department of Physics & Astronomy Goals Dreams Red/Near-infrared Transmission Window Why is this hard? How does light

More information

Computer Vision for Quality Control in Latin American Food Industry, A Case Study

Computer Vision for Quality Control in Latin American Food Industry, A Case Study Computer Vision for Quality Control in Latin American Food Industry, A Case Study J.M. Aguilera A1, A. Cipriano A1, M. Eraña A2, I. Lillo A1, D. Mery A1, and A. Soto A1 e-mail: [jmaguile,aciprian,dmery,asoto,]@ing.puc.cl

More information

GE 3.0T NPW,TRF,FAST,F R NPW,TRF,FAST,F R

GE 3.0T NPW,TRF,FAST,F R NPW,TRF,FAST,F R GE 3.0T 3.0T WRIST Invivo 8CH Wrist Coil Sequence Ax T2 Cor PD Cor PDFS Cor T1 Cor PD (Small FOV) FOV (mm) 80 80 80 80 40 Matrix 384x224 384x256 320x256 384x320 320x192 Phase Direction RL RL RL RL RL #

More information

Segmentation of Bony Structures with Ligament Attachment Sites

Segmentation of Bony Structures with Ligament Attachment Sites Segmentation of Bony Structures with Ligament Attachment Sites Heiko Seim 1, Hans Lamecker 1, Markus Heller 2, Stefan Zachow 1 1 Visualisierung und Datenanalyse, Zuse-Institut Berlin (ZIB), 14195 Berlin

More information

Scans in Neurofibromatosis

Scans in Neurofibromatosis Scans in Neurofibromatosis A scan creates an image or picture of internal organs of the body such as bone or soft tissue. Scans are used by doctors to help to identify the cause of your symptoms. Your

More information

IBA Proton Therapy. Biomed days 2015. Vincent Bossier. System Architect Vincent.bossier@iba-group.com. Protect, Enhance and Save Lives

IBA Proton Therapy. Biomed days 2015. Vincent Bossier. System Architect Vincent.bossier@iba-group.com. Protect, Enhance and Save Lives Vincent Bossier System Architect Vincent.bossier@iba-group.com IBA Proton Therapy Biomed days 2015 Protect, Enhance and Save Lives 1 Agenda AN INTRODUCTION TO IBA WHY PROTON THERAPY CLINICAL WORKFLOW TREATMENT

More information

Physics testing of image detectors

Physics testing of image detectors Physics testing of image detectors Parameters to test Spatial resolution Contrast resolution Uniformity/geometric distortion Features and Weaknesses of Phantoms for CR/DR System Testing Dose response/signal

More information