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An evaluation of JPEG and JPEG 2000 irreversible compression algorithms applied to neurologic computed tomography and magnetic resonance images

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Abstract

We performed visual comparison of 200 head magnetic resonance (MR) and 200 head computed tomography (CT) images compressed at two levels using standard Joint Photographic Experts Group (JPEG) irreversible compression and a preliminary version of the JPEG 2000 irreversible algorithm. Blinded evaluations by neuroradiologists compared original versus either JPEG or JPEG 2000. We found that this version of JPEG 2000 did not perform as well as the current JPEG for head CTs, but for MR images, JPEG 2000 performed as well or better. Around 7∶1 compression ratio seemed to be a conservative point where there was no perceptible difference.

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Reference

  1. Wallace GK: The JPEG still picture compression standard. Comm ACM 34:30–44, 1991

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Authors and Affiliations

  1. Department of Diagnostic Radiology, Mayo Clinic, Building., E2, 200 1st St SW, 55905, Rochester, MN

    V. Savcenko, B. J. Erickson MD, PhD, K. R. Persons, N. G. Campeau, J. Huston, C. P. Wood & S. A. Schreiner

  2. Department of Information Services, Mayo Clinic, Building., E2, 200 1st St SW, 55905, Rochester, MN

    V. Savcenko, B. J. Erickson MD, PhD, K. R. Persons, N. G. Campeau, J. Huston, C. P. Wood & S. A. Schreiner

Authors
  1. V. Savcenko
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  2. B. J. Erickson MD, PhD
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  3. K. R. Persons
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  4. N. G. Campeau
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  5. J. Huston
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  6. C. P. Wood
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  7. S. A. Schreiner
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Corresponding author

Correspondence to B. J. Erickson MD, PhD.

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Savcenko, V., Erickson, B.J., Persons, K.R. et al. An evaluation of JPEG and JPEG 2000 irreversible compression algorithms applied to neurologic computed tomography and magnetic resonance images. J Digit Imaging 13 (Suppl 1), 183–185 (2000). https://doi.org/10.1007/BF03167656

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  • DOI: https://doi.org/10.1007/BF03167656

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