DICOM PS3.18 2017e - Web Services

4 Terms and Definitions
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# 4 Terms and Definitions

For the purposes of this part of DICOM, the following terms and definitions apply.

Accept Query Parameter

  A query parameter that specifies one or more media types acceptable for the representation(s) contained in the response. See Section 6.1.1.5.

Acceptable Character Sets

  One or more character sets acceptable to the user agent in the response. See Section 6.1.2.1.

Acceptable Media Types

  One or more media type acceptable to the user agent in the response. See Section 6.1.1.4.

BulkDataURI

  A Uniform Resource Identifier in accordance with [RFC3986] that identifies an octet-stream representing the value of a DICOM attribute.

  ### Note

  The octet-stream does not include the Attribute Tag, Value Representation, or Attribute Length. For the value of a frame of a Pixel Data attribute encoded in a compressed Transfer Syntax, it does not include the Basic Offset Table and Data Stream Fragment Item tags and lengths.

Bulk Data Media Type

  A media type in which bulk data (such as Pixel Data) extracted from DICOM instances is encoded. See Section 6.1.1.8.

DICOM Media Type

  A media type in which DICOM instances are encoded. See Section 6.1.1.8.

Charset Query Parameter

  A query parameter that specifies one or more character sets for the representation(s) contained in the response. See Section 6.1.2.2.

DICOM Object

  An instance of a data object as defined by PS3.3 that has been allocated an unique identifier in the format specified for SOP Instance UID in PS3.3 and has been chosen as an object to be saved securely for some period of time. Within the DICOM Standard, a DICOM Object is referred to as a Composite Service Object Pair (SOP) Instance.

DICOM Resource Categories

  A set of categories for the content of DICOM SOP Instances. Examples include images, video, and text. See Section 6.1.1.2.

HTTP

  The term HTTP as used in this Standard means the Hypertext Transport Protocol versions 1.0, 1.1, 2 or later. See [RFC1945], [RFC7230] and [RFC7540].

HTTPS

  The term HTTPS as used in this Standard means the Hypertext Transport Protocol Secure versions 1.0, 1.1, 2 or later. See [RFC2818] and [RFC7230].

Origin-Server

  See [RFC7230] Section 2.1 Client/Server Messaging.

Rendered Media Type

  A non-DICOM media type into which DICOM instances may be transformed in order to display them using commonly available non-DICOM software, for example browsers. See Section 6.1.1.3.

Selected Character Set

  The character sets selected by the origin server for the response payload. See Section 6.1.2.4.

Selected Media Type

  The media type selected by the origin server for the response payload. See Section 6.1.1.7.

User-Agent

  See [RFC7230] Section 2.1 Client/Server Messaging.

Web Access to DICOM Objects

  A service enabling the user agent to retrieve DICOM Objects managed by an origin serven, through HTTP/HTTPS protocol.

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DICOM PS3.18 2017e - Web Services