'Filtered back projection' presentation slideshows

Computed Tomography

Computed Tomography. CT, CAT tomos = slice, graphein = to write. Magdalena Bazalova. 1. What is a CT scanner?. an X-ray device capable of cross-sectional imaging creates images of slices through the patient. What is a CT scanner?. doughnut shaped gantry with moving patient table. Why CT?.

1.43k views • 74 slides

Images reconstruction. Radon transform

634 views • 61 slides

Computed Tomography

Computed Tomography. Tomos = slice. CT scan. Mathematical idea developed by Radon in 1917 Cormack did the instrumentation research 1963 published it A practical x-ray CT scanner was built by Hounsfield. When was the first computer introduced in laboratories?. The main idea.

833 views • 51 slides

Computed Tomography

Computed Tomography. References The Essential Physics of Medical Imaging 2 nd ed n . Bushberg J.T. et.al Computed Tomography 2 nd ed n : Seeram Physics of Radiology : Wolboarst A.B. COMPUTED TOMOGRAPHY. Invented by Godfrey Hounsfield in 1971

726 views • 37 slides

Imaging

Imaging. PET. Course Layout. Talk Layout. Repetition of PET princinples PET image reconstruction -FBP Physics of NMR Application to imaging of NMR -MRI. PET. Positron emission. PET. 5a. 5b. 4. 1. 2. 3. Coincidence Events. 1. Detected True Coincidence Event.

445 views • 29 slides

Image reproduction +fMRI

Image reproduction +fMRI. Filtered Back Projection. Filtered Back Projection. Filtered backprojection. Filter the measured projection data at different projection angles with a special function. Backproject the filtered projection data to form the reconstructed image.

259 views • 25 slides

Medical Imaging

381 views • 23 slides

MRI, FBP and phase encoding

MRI, FBP and phase encoding. Spins. Precession. RF pulse. T1 and T2. Bloch Equations. Receiver. T1 and T2. Effect of tissue. Slice selection. Slice selection. FBP. Filtered Back Projection. Filtered B a ck Projection. Filtered Back Projection. Filtered backprojection.

410 views • 23 slides

Fast Hierarchical Back Projection

ECE558 Final Project. Fast Hierarchical Back Projection. Jason Chang Professor Kamalabadi May 8, 2007. Outline. Direct Filtered Back Projection (FBP) Fast Hierarchical Back Projection (FHBP) FHBP Results and Comparisons. Filtered Back Projection.

353 views • 15 slides

Computed Tomography

Computed Tomography. DANGER DETECTOR production. Typical CT scanner. So how old is the CT scanner?. http://www.impactscan.org/slides/impactcourse/basic_principles_of_ct/img24.html. 2 nd generation. http://www.impactscan.org/slides/impactcourse/basic_principles_of_ct/img25.html.

446 views • 13 slides

Scientific Computing on Graphics Hardware

Scientific Computing on Graphics Hardware. GPGPU Applications Examples Showcase. Overview. Interactive Demos, Videos Computational Fluid Dynamics Scientific Visualization Protein Matching Path Planning FFT Applications Adaptive Data Structures Feel free to ask questions!.

237 views • 10 slides