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DICOM and Image Ontology Image Ontology Workshop 2006 Stanford University Anand Kumar MD, PhD, MBA IFOMIS, Univ. of Saarland, Germany. Siemens Medical.

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Presentation on theme: "DICOM and Image Ontology Image Ontology Workshop 2006 Stanford University Anand Kumar MD, PhD, MBA IFOMIS, Univ. of Saarland, Germany. Siemens Medical."— Presentation transcript:

1 DICOM and Image Ontology Image Ontology Workshop 2006 Stanford University Anand Kumar MD, PhD, MBA IFOMIS, Univ. of Saarland, Germany. Siemens Medical Solutions, Germany. BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY

2 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY Digital Imaging and Communications in Medicine DICOM Joint standard from American College of Radiology and National Electronic Manufacturer’s Association A standard method for transferring images and associated Information between devices manufactured by vendors Addresses the needs particularly of Radiologists

3 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY Information Object (Class): An abstraction of a real information entity (e.g., CT Image, Structured Report, etc.) which is acted upon by one or more DICOM Commands Synonym of Information Object Definition (IOD) Basic definitions Service Class: A structured description of a service which is supported by cooperating DICOM Applications using specific DICOM Commands acting on a specific class of Information Object.

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5 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY Composite Information Object Class: May additionally include Attributes which are related to but not inherent in the real-world entity. E.g. Patient Name together with Computed Tomography Image Information Object Class Information Object Classes Normalized Information Object Class: Includes only those Attributes inherent in the real-world entity represented. Expresses the communication requirements of images where image data and related data needs to be closely associated.

6 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY Entity and Relationship

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16 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY General Study Module Has-study-date Has-study-time Has-referring-physician Has-accession-number Has-physicians-of-record Has-physicians-reading-study Has-reference-study Has-procedure-code DICOM Relations and Attributes (Extra)

17 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY General Series Module Has-modality Has-laterality Has-series-date Has-series-time Has-performing-physician Has-protocol Has-operator Has-reference-performed-step Has-related-series Has-body-part-examined Has-patient-position Has-smallest-pixel-value-in-series Has-Largest-pixel-value-in-series Has-Imaging-Service-Request Has-performed-procedure-step Has-performed-procedure-step-start-time Has-performed-procedure-step-start-date Has-performed-protocol-code DICOM Relations and Attributes (Extra)

18 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY General Image Module Has-patient-orientation Has-content-date Has-content-time Has-image-type Has-Acquisition-date Has-Acquisition-time Has-referenced-image-sequence Has-derivation Has-source-image Has-referenced-waveform Has-images-in-acquisition (could be put in the acquisition process module) Has-quality-control-image Has-burned-in-annotation Has-lossy-image-compression Has-lossy-image-compression-ratio DICOM Relations and Attributes (Extra)

19 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY Image Pixel Module Has-samples-per-pixel Has-photometric-interpretation Has-rows Has-columns Has-bits-allocated Has-bits-stored Has-high-bit Has-pixel-representation Has-pixel-data Has-planar-configuration Has-pixel-aspect-ratio Has-smallest-image-pixel-value Has-largest-image-pixel-value Has-red-palette-color-lookup-table-descriptor Has-blue-palette-color-lookup-table-descriptor Has-green-palette-color-lookup-table-descriptor Has-red-palette-color-lookup-table-data Has-blue-palette-color-lookup-table-data Has-green-palette-color-lookup-table-data DICOM Relations and Attributes (Extra)

20 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY Mutiframe Images: Large number of images can be sent as one object All attributes equal to all images or their groups sent once Modality independent functional groups Modality dependent functional groups Multiframe Images

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26 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY Image Series Study Patient Visit Secondary Capture Image Based Reporting Image Based Diagnosis Radiotherapy Clinical Trials What should Image Ontology Cover?

27 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY DICOM Structured Reporting Template Specifications which include: Concept Name, Requirement, Value Type, Value Multiplicity, Value Set Restriction, Relationship Types

28 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY

29 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY Examples Reporting DICOM Image-Related Object

30 BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY Advice Cover the depth to the extent DICOM does Use DICOM types Reclassify them Provide correct relations FMA is a reference ontology too FMA is not small

31 DICOM and Image Ontology Image Ontology Workshop 2006 Stanford University Anand Kumar MD, PhD, MBA IFOMIS, Univ. of Saarland, Germany. Siemens Medical Solutions, Germany. BIOMEDICALONTOLOGYBIOMEDICALONTOLOGY


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