A convolution back projection algorithm for local tomography

@inproceedings{Sastry2005ACB,
  title={A convolution back projection algorithm for local tomography},
  author={Challa S. Sastry and Paritosh Chandra Das},
  year={2005}
}
The present work deals with the problem of recovering a local image from localised projections using the concept of approximation identity. It is based on the observation that the Hilbert transform of an approximation identity taken from a certain class of compactly supported functions with sufficiently many zero moments has no significant spread of support. The associated algorithm uses data pertaining to the local region along with a small amount of data from its vicinity. The main features… CONTINUE READING

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