![]() ![]() There are a number of DICOM viewers available which allow medical images to be displayed, processed and analyzed. Finally DICOM facilitates security mechanism including access control and authorization rules implemented by the application level software using passwords or biometric access controls coupled with an audit and logging mechanism. In addition to the principal objectives of the DICOM standard for image visualization, it includes structured reporting which is an object that can be exchanged, very similar to an image, except that instead of pixel data, the message body is a Structured Report. This means that input values are mapped into a space that is perceived as linear by a human observer. This function specifies exactly what luminance or density level should be produced for a certain input value, based on the Barten curve, which maps the values into a range that is perceptually linear. DICOM achieves consistency in the image presentation on different monitors, as well as on film, independent of the make or type of characteristics of the medium using the DICOM Greyscale Standard Display Function. Image quality is the principal issue with regard to the DICOM standardization. The other service in this category is the DICOM Storage Commitment, which transfers the responsibility for images to the receiver, so they can be safely removed from the local disk. DICOM uses information management services which include a Modality Work List allowing scheduling information to be retrieved by a modality. ![]() details about exception and error handling and often contain complete specifications for the information objects (e.g. ![]()
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