Compression changes notable in images may not affect diagnosis

May 15, 2008 Compression changes notable in images may not affect diagnosis John C. Hayes -------------------------------------------------------------------------------- Changes in images introduced by compression algorithms at levels as low as 8:1 can be observed by readers when they are compared with uncompressed images, according to a research report presented at the Society of Imaging Informatics in Medicine conference Thursday. But researchers were unable to say what impact compression has on diagnosis, a question the study did not address.

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