Information Object Definitions (IODs)

An Information Object Definition defines a single “type” of DICOM file, such as a Segmentation, Presentation State or Structured Report. The following sections give in-depth explanations of the various IODs implemented within highdicom.

Contents:

• Segmentation (SEG) Images
  • Segments
  • Segment Descriptions
  • Segmentation Type (Binary, Fractional and Labelmap)
  • Constructing Basic Binary and Labelmap SEG Images
  • Constructing Binary/Labelmap SEG Images with Multiple Frames
  • Constructing Binary/Labelmap SEG Images of Multiframe Source Images
  • Constructing Binary SEG Images with Multiple Segments
  • Segmentations from Volumes
  • Segmentations with Arbitrary Geometries
  • Per-Frame Derivation Image Sequences
  • Constructing SEG Images from a Total Pixel Matrix
  • "TILED_FULL" and "TILED_SPARSE"
  • Multi-resolution Pyramids
  • Representation of Fractional SEGs
  • Implicit Conversion to Fractional
  • Compression
  • Multiprocessing
  • Organization of Frames in SEGs
  • Reading Existing Segmentation Images
  • Examining Segment Metadata
  • Searching For Segments
  • Accessing Segmentation Masks By Source Frame or Source Instance
  • Accessing Specific Segments
  • Accessing Segmentation Masks as “Label Maps”
  • Accessing Fractional Segmentations
  • Accessing Volumes
  • Accessing Total Pixel Matrices from Tiled Segmentations
  • Viewing DICOM SEG Images
  • FAQ: My Viewer Won’t Display My Segmentation
• Structured Report Documents (SRs)
  • Structured Report (SR) Overview
    • Content Items
    • Nesting of Content Items and Sequences
    • Structured Reporting IODs
    • Structured Reporting Templates
  • The TID1500 Measurement Report Template
    • Overview of TID1500 Content
    • Measurement Report (TID1500)
    • Measurement Groups
    • Measurements and Qualitative Evaluations
    • Putting It All Together
  • Parsing Measurement Reports
    • Searching For Measurement Groups
    • Accessing Data in Measurement Groups
    • Searching for Measurements
    • Accessing Data in Measurements
    • Searching for Evaluations
• Key Object Selection (KOS) Documents
• Microscopy Bulk Simple Annotation (ANN) Objects
  • Constructing Annotation Groups
  • Including Measurements
  • Constructing MicroscopyBulkSimpleAnnotation Objects
  • Reading Existing Bulk Annotation Objects
  • Accessing Annotation Groups
  • Extracting Information From Annotation Groups
  • Extracting Measurements From Annotation Groups
• Parametric Maps
• Presentation States
• Secondary Capture (SC) Images
• Legacy Converted Enhanced Images