C.8.23 Surface Segmentation

This section describes the specific modules for the Surface Segmentation IOD.

C.8.23.1 Surface Segmentation Module

Table C.8.23-1 defines the general Attributes of the Surface Segmentation Module.

Table C.8.23-1SURFACE SEGMENTATION MODULE ATTRIBUTES

Attribute Name Tag Type Attribute Description
Include ‘Content Identification Macro’ Table 10-12
Content Date (0008,0023) 1 The date the content creation started.
Content Time (0008,0033) 1 The time the content creation started.
Segment Sequence (0062,0002) 1 Describes the segments that are contained within the data. One or more Items shall be included in this sequence.
>Segment Number (0062,0004) 1 Identification number of the segment. Uniquely identifies a segment within the SOP Instance.
>Segment Label (0062,0005) 1 User-defined label identifying this segment. This may be the same as the Code Meaning (0008,0104) of the Segmented Property Type Code Sequence (0062,000F).
>Segment Description (0062,0006) 3 User-defined description for this segment.
>Segment Algorithm Type (0062,0008) 1 Type of algorithm used to generate the segment. Enumerated Values are: AUTOMATIC = calculated segment SEMIAUTOMATIC = calculated segment with user assistance MANUAL = user-entered segment
>Include ‘General Anatomy Mandatory Macro’ Table 10-5
>Segmented Property Category Code Sequence (0062,0003) 1 Sequence defining the general category of this segment. Only a single item shall be included in this sequence.
>>Include ‘Code Sequence Macro’ Table 8.8-1 Baseline CID 7150.
>Segmented Property Type Code Sequence (0062,000F) 1 Sequence defining the specific property type of this segment. Only a single item shall be included in this sequence.
>>Include ‘Code Sequence Macro’ Table 8.8-1
>Surface Count (0066,002A) 1 The number of surfaces which comprise this segment. Shall be greater than zero.
>Referenced Surface Sequence (0066,002B) 1 Sequence referencing the surfaces composed to construct this segment. One or more Items shall be included in this sequence. The number of Items shall equal the value of Surface Count (0066,002A).
>>Referenced Surface Number (0066,002C) 1 Identifies the Surface Number (0066,0003) within the Surface Sequence (0066,0002) to which this reference applies.
>>Segment Surface Generation Algorithm Identification Sequence (0066,002D) 1 A description of how this segment surface was derived. Only a single Item shall be included in this sequence.
>>>Include ‘Algorithm Identification Macro’ Table 10-19 Baseline Context ID for Algorithm Family Code Sequence (0066,002F) is 7162.
>>Segment Surface Source Instance Sequence (0066,002E) 2 A Sequence that identifies the set of Instances by their SOP Class/Instance pair that were used to derive this segment surface. Zero or more items shall be included in this Sequence.
>>>Include ‘Image SOP Instance Reference Macro’ Table C.10-3