The information content of MR images

Miha Fuderer

Research output: Contribution to journalArticleProfessional


The theoretical information content, defined by Shannon, is proposed as an objective measure of M R image quality. This measure takes into account the contrast-to-noise ratio (CNR),scan reso-
lution, and field of view. It is used to derive an optimum in the trade-off problem between image resolution and CNR, and as a criterion to assess the usefulness of high-resolution (512’) M R images. The result tells that, for a given total acquisition time, an optimum value of the
resolution can be found. This optimum is very broad. To apply Shannon’s theory on information content to M R images, a model for the spatial spectral power density of these images is required. Such a model has been derived from experimental observations of ordinary M R images, as well as from theoretical considerations.
Original languageEnglish
Pages (from-to)368-380
JournalIEEE Transactions on Medical Imaging
Issue number4
Publication statusPublished - 1988


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