What is instance number in DICOM?

Instance Number. 1. A number that identifies this Waveform. Waveform Identification Module Attributes. (0020,0013)

What is unique ID DICOM?

Privately defined Unique Identifiers (UIDs) are used in DICOM to uniquely identify items such as Specialized or Private SOP Classes, Image SOP Instances, Study SOP Instances, etc.

What is SOP in DICOM?

A Service-Object Pair (SOP) Class is defined by the union of an Information Object Definition (IOD) and a DICOM Service Elements (DIMSE). The SOP Class definition contains the rules and semantics which may restrict the use of the services in the DIMSE Service Group or the Attributes of the IOD.

What is slice location?

Slice Location (0020,1041) is defined as the relative position of the image plane expressed in mm. This information is relative to an unspecified implementation specific reference point.

What is UID example?

Examples of UIDs A Universal Unique Identifier (UUID) is a 128-bit number used to uniquely identify some object or entity on the Internet. A unique device identifier (UDID) is a 40-character string assigned to certain Apple devices including the iPhone, iPad and iPod Touch.

What is an example of a unique identifier?

Examples include (1) the media access control address MAC address uniquely assigned to each individual hardware network interface device produced by the manufacturer of the devices, (2) consumer product bar codes assigned to products using identifiers assigned by manufacturers that participate in GS1 identification …

What is implementation class UID?

The Implementation Class UID identifies in a unique manner a specific class of implementation.

What is pixel spacing Dicom?

In the DICOM standard, Imager Pixel Spacing is defined as: Physical distance measured at the front plane of the detector housing between the center of each image pixel specified by a numeric pair – row spacing value(delimiter) column spacing value in mm.

What is image orientation in Dicom?

Image Orientation (0020,0037) specifies the direction cosines of the first row and the first column with respect to the patient. These Attributes shall be provide as a pair. Row value for the x, y, and z axes respectively followed by the Column value for the x, y, and z axes respectively.

What is a UID in DICOM?

Different classes of objects, instance of objects and information entities can be distinguished from one another across the DICOM universe of discourse irrespective of any semantic context. UID consists of two parts: Organization root: This part of UID ensures the uniqueness across organizations. There are service providers who offer this for free.

What are unique identifiers (UIDs)?

2017a Part 5 – Data Structures and Encoding(9 Unique Identifiers (UIDs)) Unique Identifiers (UIDs) provide the capability to uniquely identify a wide variety of items. They guarantee uniqueness across multiple countries, sites, vendors and equipment.

Can the study UID and series UID be derived from same root?

Related to the above, there is no expectation or requirement that the Study UID, Series UID and Instance UID for images should be derived from the same root (though in practice, Series UID and Instance UID normally are, as both must be generated internally by the equipment which generates the images)

Should sopinstance UIDs be unique?

As per DICOM specifications, all UIDs including SOPInstanceUID in question should be unique. This is irrelevant to what data (gated PET data or other) you are working on. Following is from specifications: 2017a Part 5 – Data Structures and Encoding(9 Unique Identifiers (UIDs))