Removal of correlated speckle noise using sparse and overcomplete representations

@article{Deka2013RemovalOC,
  title={Removal of correlated speckle noise using sparse and overcomplete representations},
  author={Bhabesh Deka and Prabin Kumar Bora},
  journal={Biomed. Signal Proc. and Control},
  year={2013},
  volume={8},
  pages={520-533}
}
Recently, there has been a growing interest in the sparse representation of signals over learned and overcomplete dictionaries. Instead of using fixed transforms such as the wavelets and its variants, an alternative way is to train a redundant dictionary from the image itself. This paper presents a novel despeckling scheme for medical ultrasound and speckle corrupted photographic images using the sparse vailable online 12 June 2013 eywords: peckle e-speckling method parse representation… CONTINUE READING

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