CT Reconstruction: (Radon transform, Fourier Slice Theorem, & Convolution Backprojection)
Автор: JP Academia
Загружено: 2020-10-29
Просмотров: 27454
Описание:
You can use mathematical tools to reconstruct a 3D representation of the anatomy being image. This is done first by acquiring multiple 2D projection images from many angles. With this imaging principle, we acquire 3D images in medical imaging modalities such as Computed Tomography, Positron Emission Tomography, and Single Photon Emission Tomography.
0:00 Introduction & Outline
0:52 Line Integral
1:34 Projection
3:44 Introduction to CT Reconstruction
6:42 Three Domains in Tomographic Reconstruction
7:58 Radon Transform (Projection Integral)
11:25 Fourier Slice Theorem
13:05 Fourier Transform to Projection & Reconstruction
16:14 Convolution Backprojection
19:00 Summary
19:30 Outro
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