dicom standards committee 2010-04-13 bordeaux workitem - proposal “optical surface scan iod”...
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DICOM Standards Committee2010-04-13 Bordeaux
Workitem - Proposal“Optical Surface Scan IOD”
Christian Dressler
Working Principle
The deformation of structured light, such as a known pattern is captured and a point cloud is calculated
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Use cases
Use cases structured by content of publications
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Interested Surface Scanner Manufacturers4
FARO Technologies Inc., USA GOM mbH, Germany Konica-Minolta, Germany RSI GmbH, Germany Steinbichler Optotechnik GmbH, Germany ViALUX GmbH, Germany Vitro Lasertechnologie AG, Germany
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Reconstruction with Paraview
Reconstruction from point cloud with uv-mapping and bitmap with arbitrary application
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Reconstruction with Paraview
Point cloud contains x,y,z,u and v values Here: ascii file, semicolon separated
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Reconstruction with Paraview
Importing the point cloud
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Reconstruction with Paraview
Assigning the columns to coordinate system
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Reconstruction with Paraview
Display the point cloud
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Reconstruction with Paraview
Calculate mesh (multiple algorithms and parameters)
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Reconstruction with Paraview
Apply texture according to uv map
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Reconstruction with Paraview
Smooth surface (multiple algorithms and parameters)
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
What is this all about?
Two types which contain different information
Scanner
ExternalPost-processing PACS
Point clouds,surface meshes, textures,device-specific attributes,
3D graphics
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Point clouds
No support of uv coordinates
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Photo
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Open Issues
Is there enough commonality between optical and mechanical scanners to use one IOD for both?
How to store the normal, which defines inside/outside?
The origin of the coordinate system of the bitmap has to be defined.
Mapping: uv-mapping and/or point values over LUT? Define two different SOPs for raw data/3D model? Support of multiple textures per object? How to store multiple clouds? Only same
coordinate system allowed?
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Accomplishment
New modality (Surface Scanner) Use of existing modules (fotos, point clouds,
surfaces) New modules (Scanner device attributes) New IOD(s) New SOP(s)
Scanner
ExternalPost-processing PACS
Point clouds,surface meshes, textures,device-specific attributes,
3D graphics
Workitem Proposal „Optical Scanner“, DSC, Bordeaux 2010-04-13
Time Schedule
Reporting current workiten state to scanner and 3d software manufacturers and to related DICOM WGs
First meeting with interested companies at WG 24 meeting at CARS in Geneva in July 2010
Thank you for your attention!
AcknowledgementsThe Innovation Center Computer Assisted Surgery (ICCAS) at the Faculty of Medicine at the University of Leipzig is funded by the German Federal Ministry for Education and Research (BMBF) and the Saxon Ministry of Science and the Fine Arts (SMWK) in the scope of the initiative “Unternehmen Region” with the grant numbers 03 ZIK 031 and 03 ZIK 032. It is also sponsored by funds of the European Regional Development Fund (ERDF) and the state of Saxony within the frame of measures to support the technology sector.