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Shadow effects in simulated ultrasound images derived from computed tomography images using a focused beam tracing model

Authors
Publisher
Acoustical Society of America
Publication Date
Keywords
  • Simulation Of Ultrasound Images Based On Computed Tomography (Ct) Data Has Previously Been Performed
  • Shadow Effects Are Normally Pronounced In Ultrasound Images
  • So They Should Be Included In The Simulation
  • In This Study
  • A Method To Capture The Shadow Effects Has Been Developed
  • Which Makes The Simulated Ultrasound Images Appear More Realistic
  • <Br/>The Method Using A Focused Beam Tracing Model Gives Diffuse Shadows That Are Similar To The One
  • Ultrasound Images Of A Cod (Gadus Morhua) Were Obtained With A Bk Medical 2202 Profocus Ultrasound S
  • Herlev
  • Denmark) Equipped With A Dedicated Research Interface Giving Access To Beamformed Radio Frequency Da
  • <Br/>Ct Images Were Obtained With An Aquilion One Toshiba Ct Scanner (Toshiba Medical Systems Corp
  • Tochigi
  • Japan)
  • Ct Data Were Mapped From Hounsfield Units To Backscatter Strength
  • Attenuation Coefficients
  • And Characteristic Acoustic Impedance
  • The Focused Beam Tracing Model Was Used To Create Maps Of The Transmission Coefficient And Scatterin
  • Field Ii Was Then Used To Simulate An Ultrasound Image Of 38
  • 955
  • 34
  • 5 Mm
  • Using 106 Point Scatterers
  • As There Is No Quantitative Method To Assess Quality Of A Simulated Ultrasound Image Compared To A M
  • Visual Inspection Was Used For Evaluation
Disciplines
  • Medicine

Abstract

Shadow effects in simulated ultrasound images derived from computed tomography images using a focused beam tracing model - DTU Orbit (26/04/14) Shadow effects in simulated ultrasound images derived from computed tomography images using a focused beam tracing model - DTU Orbit (26/04/14) Pham, AH, Lundgren, B, Stage, B, Pedersen, MM, Hemmsen, MC, Nielsen, MB & Jensen, JA 2012, 'Shadow effects in simulated ultrasound images derived from computed tomography images using a focused beam tracing model' Acoustical Society of America. Journal, vol 132, no. 1, pp. 487-497., 10.1121/1.4726031

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