BUILDING A DATA MODEL TO HANDLE EXTREMELY LARGE MEDICAL IMAGES IN PICTURE ARCHIVING AND COMMUNICATION SYSTEMS (PACS) (original) (raw)

Extremely large medical images, like ones in the virtual slide microscopy, are beyond some limitations (e.g., a 4Gbyte barrier, caused by 32-bit architecture) of the DICOM (Digital Image Communication in Medicine) standard. There are some solutions and trade-offs already proposed and included in the DICOM standard such as the usage of JPEG2000 image compression standard, JPEG2000 interactive protocol [JPIP]. Currently, the division of images into smaller parts is being discussed for storing them in the PACS. The problems of alternative solutions for images of typical size (e.g. radiological) and large size virtual slide microscopy images have been discussed which could be implemented on the same PACS serving. The paper deals with the data and the interaction model of images within PACS, providing both conventional DICOM services and image interchange using JPIP (JPEG2000 interactive protocol).

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