PRZEGLĄD METOD BEZSTRATNEJ KOMPRESJI OBRAZÓW MEDYCZNYCH

Streszczenie. Niniejszy artykul zawiera zwarty przegląd algorytmow z zakresu bezstratnej kompresji statycznych obrazow medycznych. Uwzgledniono zarowno agorytmy, ktore uznawane są za standardy w medycznych systemach skladowania i transmisji obrazow, jak rowniez inne algorytmy praktycznie stosowane do kompresji takich danych. Przedstawiono rowniez ogolną charakterystyke klas obrazow medycznych, wyrozniając te cechy omawianych klas obrazow, ktore są istotne przy konstrukcji lub wyborze algorytmu kompresji obrazow nalezących do tych klas. Slowa kluczowe: bezstratna kompresja obrazow medycznych, CT, X-ray, MR, USG, PACS, DICOM, RLE, JPEG, JPEG-LS, JPEG 2000 Summary. In this paper we present a brief overview of lossless medical image compression algorithms. We overview both algorithms that are considered to be standards in medical image transmitting and archiving systems and other algorithms used for compressing medical images. We also generally describe main classes of medical images, distinguishing features that are crucial in development and selection of algorithms appropriate for compressing images belonging to those classes.

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