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A multi-level preconditioned Krylov method for the efficient solution of algebraic tomographic reconstruction problems.
Siegfried Cools
Pieter Ghysels
Wim van Aarle
Jan Sijbers
Wim Vanroose
Published in:
J. Comput. Appl. Math. (2015)
Keyphrases
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iterative methods
image compression
detection method
feature extraction
computational complexity
preprocessing
image quality
test images