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American Journal of Roentgenology, Vol 169, 23-26, Copyright © 1997 by American Roentgen Ray Society

ARTICLES

Wavelet transform-based image compression for transmission of MR data [published erratum appears in AJR Am J Roentgenol 1997 Sep;169(3):919]

JA Maldjian, WC Liu, D Hirschorn, R Murthy and W Semanczuk
Department of Radiology, University of Medicine and Dentistry of New Jersey-New Jersey Medical School, Newark 07103, USA.

OBJECTIVE: The purpose of this study was to develop an effective, inexpensive teleradiology image-transmission system for transfer of MR studies using wavelet transform image compression. CONCLUSION: We describe an efficient system for implementing teleradiology capability for transmission of diagnostic MR images. The system uses the wavelet transform to achieve greater than 90% image compression, with standard modern transmission times of less than 5 sec per compressed image. The method is inexpensive and can be implemented using commonly available workstation and MR scanner capabilities.
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Copyright © 1997 by the American Roentgen Ray Society.