CT Filters (smooth filters and sharp filters, FBP Recon)

Описание к видео CT Filters (smooth filters and sharp filters, FBP Recon)

CT Filters are a crucial part of image reconstruction and image viewing in all computed tomography images. In this video we go over what is a smoothing filter and how does it work. As well as what are sharpening filters.
Within the FBP (Filtered Back-Projection) image reconstruction a filter is required to generate the proper images, i.e. non blurred images. We cover why this filter is called a ramp filter and how the name comes from the shape of this filter in the frequency or Fourier space.

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