Author: Steven E. Nissen

0000000000407148

AUTHOR

Steven E. Nissen

American College of Cardiology/ European Society of Cardiology international study of angiographic data compression phase III. Measurement of image quality differences at varying levels of data compression

Objectives We sought to investigate up to which level of Joint Photographic Experts Group (JPEG) data compression the perceived image quality and the detection of diagnostic features remain equivalent to the quality and detectability found in uncompressed coronary angiograms. Background Digital coronary angiograms represent an enormous amount of data and therefore require costly computerized communication and archiving systems. Earlier studies on the viability of medical image compression were not fully conclusive. Methods Twenty-one raters evaluated sets of 91 cine runs. Uncompressed and compressed versions of the images were presented side by side on one monitor, and image quality differe…

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American College of Cardiology/ European Society of Cardiology international study of angiographic data compression phase III

AbstractOBJECTIVESWe sought to investigate up to which level of Joint Photographic Experts Group (JPEG) data compression the perceived image quality and the detection of diagnostic features remain ...

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