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Usage of Presentation State (PR) Objects for Ultrasound 3D images

Usage of Presentation State (PR) Objects for Ultrasound 3D images. Ramanjini Dasari Philips Healthcare Sr. Technical Specialist Bangalore, India Co-Authors: Rupam Sarkar Software Architect Bangalore, India. Usage of Presentation State (PR) Objects for Ultrasound 3D images. Agenda

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Usage of Presentation State (PR) Objects for Ultrasound 3D images

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  1. Usage of Presentation State (PR) Objects for Ultrasound 3D images Ramanjini Dasari Philips Healthcare Sr. Technical Specialist Bangalore, India Co-Authors: Rupam Sarkar Software Architect Bangalore, India

  2. Usage of Presentation State (PR) Objects for Ultrasound 3D images • Agenda • DICOM Presentation State • Relationship to Image • 3D Presentation State Object • Examples • Conclusions Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  3. DICOM Presentation State • An independent DICOM Information Object Definition (IOD) • Contains no pixel data • Lightweight object • Saves visual display specification • Multiple presentation states • Manually adjusting visual display settings Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  4. Relationship to Image • A set of standard DICOM attributes • (0008,1115) ReferencedSeriesSequence • (0008,1140) ReferencedImageSequence • (0008,1150) ReferencedSOPClassUID • (0008,1155) ReferencedSOPInstanceUID Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  5. Relationship to Image (Contd..) Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  6. 3D Presentation State Object • Need to transfer studies with 3D images • Implemented DICOM 3D Presentation State object creation • Render the 3D volume same as before capture • Store\Retrieve to\from a PACS system • Use of private tags Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  7. 3D Presentation State Object(Contd..) • 3D Presentation State object stores the information given below: • Volume orientation and rotation matrices • Zoom factor, Gray map, Chroma map (colorization) • Echo and color vision setting, smoothing, gain • Brightness, Compression (dynamic range) • Rotation style (absolute or relative) • Volume look direction (Top, bottom, left, right, front and back) • Color baseline, Volume crop info Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  8. 3D Presentation State Object (Contd..) • Original image with default Presentation State object Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  9. 3D Presentation State Object (Contd..) • Same image with different orientation Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  10. 3D Presentation State Object (Contd..) • Same image with different rotation info Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  11. 3D Presentation State Object (Contd..) • Same image with different colorization Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  12. 3D Presentation State Object (Contd..) • Same image with change in Zoom factor Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  13. Conclusions • An independent DICOM IOD • Helps to display\view DICOM images with different visual display specifications • 3D image volumes in different orientations and rotations • Multiple presentation states • Store\Retrieve to\from a PACS system • DICOM Working Group - Defining an N dimensional Presentation State object • Enhances interoperability Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  14. References http://dicom.nema.org/ Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

  15. Author Contacts • Ramanjini.Dasari@philips.com • Rupam.Sarkar@philips.com Thank you for your attention! Usage Of Presentation State (PR) Objects for Ultrasound 3D Images

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