2009, English, Article edition: Image Coding and Compression with Sparse 3D Discrete Cosine Transform Palangi, H.; Ghafari, A.; Babaie-Zadeh, Massoud; ...

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Bookmark: http://trove.nla.gov.au/version/206602
Physical Description
  • text
Published
  • HAL - CCSD
  • 2009
Language
  • English

Edition details

Title
  • Image Coding and Compression with Sparse 3D Discrete Cosine Transform
Author
  • Palangi, H.
  • Ghafari, A.
  • Babaie-Zadeh, Massoud
  • Jutten, Christian
Published
  • HAL - CCSD
  • 2009
Physical Description
  • text
Subjects
Notes
  • In this paper, an algorithm for image coding based on a sparse 3-dimensional Discrete Cosine Transform (3D DCT) is studied. The algorithm is essentially a method for achieving a sufficiently sparse representation using 3D DCT. The experimental results obtained by the algorithm are compared to the 2D DCT (used in JPEG standard) and wavelet db9/​7 (used in JPEG2000 standard). It is experimentally shown that the algorithm, that only uses DCT but in 3 dimensions, outperforms the DCT used in JPEG standard and achieves comparable results (but still less than) the wavelet transform.
  • HAL:hal-00370733, version 1
  • HAL:http:/​/​hal.archives-ouvertes.fr/​hal-00370733/​en/​
Language
  • English
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