Bio medical Course

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Medical Image Acquisition  ENSC 477/895 Dr.. Marinko Sarunic and Dr Dr Dr.. Teresa Cheung Fall 2015

What is Medical Imaging •

  Wikipedia:  Medical imaging refers to the techniques and processes used  to create images of  the human body (or parts thereof) for   –

clinical  purposes  (medical  procedures  seeking  to reveal,    the  diagnose  or examine  disease)  or medical  science (including study of  normal anatomy and function). •

  Engineering and Medical Imaging   Understanding the physical process  Generating the “probe”  Detecting the signal   Signal processing   Image display  –

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  Design Considerations  Safety to patient !!  Information extracted from data  –

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First published  Medical Image: The  hand of  Roentgen’s  wife acquired in  Dec 1895. 

X-ray

Ultrasound

3D images http://youtu.be/9UCaxkvWe‐8

MRI

 

BME 477: Biomedical Image Acquisition •

  Course Synopsis  –



  Pre‐Requisites  –



 –

  Medical Imaging Signals and Systems,  2nd Edition Prince, J.L., and Links, J.M. Pearson Prentice  Hall, New Jersey, 2015

  Additional Material  –



  Dr. Dr. Marinko  V. Sarunic ASB 8809 [email protected]   Dr. Dr. Teresa Cheung ASB 9872 [email protected]

  Required Textbook  –



  ENSC  380

  Instructors  –



  This course provides an understanding  of  the scientific  principles, physics  and engineering  technology that provide the basis for the various techniques  (radiography, sonography, computed   tomography, magnetic resonance imaging), by which medical images are acquired.

  The Essential Physics of  Medical Imaging Bushberg J.T J.T.. et al,  Lippincott  Williams and Wilkins, Philadelphia, 2002 

  Grading Scheme  –  –  –  –

       

HW Laboratory  Midterm Final

20% 20% 20% 40%

Important Dates / Places •







  Mon: 2:30‐4:20 SECB1012   Wed: 2:30 ‐ 3:20 SECB1010    Tutorial: Wed 3:30  –  – 4:20 SECB1010    Lab Friday 10:30  –  – 12:20 ASB 10878  When announced.  –

Exams   Midterm    Wed Oct 12, 2015    (2 hours, during class and tutorial) •



 –

Final  Exam   Fri Dec 9, 2015 at 12:00 pm (noon)  –  – 3:00 pm •

 

Syllabus Week Date

Topic / Chapter Part I: Basic Imaging Principles Chapter 2: Signals and Systems. Chapter 3: Image Quality Part II: Radiographic Imaging Chapter 4: Physics of  Radiography. Chapter 5: Projection Radiography. Chapter 6: Computed Tomography. Part V: MEG

1

9/9/2015

2 3 4

9/14/2015 9/21/2015 9/28/2015

5 6

10/5/2015 10/12/2015

7

10/19/2015

8 9

10/26/2015 11/2/2015

10 11

11/9/2015 11/16/2015

12

11/23/2015

1/2 Chapter 13: Magnetic Resonance Imaging. 1/2 NMI

13 14

11/30/2015 12/7/2015 12/9/2015

Chapter 7 and 8: Nuclear Medicine and Planar Scintigraphy. Chapter 9: Emission Computed Tomography. Final Exam at 12 Noon

On‐line notes. MidTerm Part V: MEG Cont'd On‐line notes. Part IV: Ultrasound Imaging Chapter 10: The Physics of  Ultrasound. Chapter 11: Ultrasound Imaging Systems. Part VI: Magnetic Resonance Imaging. Chapter 12: Physics of  Magnetic Resonance. Chapter 13: Magnetic Resonance Imaging. Part III: Nuclear Medicine Imaging (Cont'd)

Imaging Modalities Imaging Method

Resolution

Penetration Depth

Source of contrast

2 – 3 mm

Entire body

Attenuation

(X-rays) Magnetic Resonance Imaging

2 – 3 mm

Entire body

[ H+ ]

Ultrasound

500 m

10 – 20 20 cm

Acoustic scattering

Visual Examination

100 m

Surface

Computed Tomography

Optical Imaging Histology

Natural Colouring Optical

1 – 10 m

2 – 3 mm mm

scattering absorption&

1 m

5 – 10 m sections

Histological stains

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