PSC NGI VH Report

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PSC NGI VH Report

• The PSC component of the University of Michigan
  NGI Visible Human

Art Wetzel, PSC awetzel_at_psc.edu
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Main areas of work

• Network performance analysis and tuning
• Volumetric data structures and compression
• API and networked serving of cubes/slices
• Data registration and fusion
• Segmentation for surface generation
• Generation of rendered surface views
• Collaboratory

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Y1 PSC Timeline

• Optical exposure correction 01/00
• First level delivery of cube volumes 02/00
• Baseline net performance to sites 03/00
• Remote serving of thorax slices 04/00
• Testbed for QOS and network hooks 05/00
• Full compressed volume data serve 06/00

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Y1 PSC Timeline 2

• Registered fusion of data sets 07/00
• Segmented surface data sets 08/00
• PC client working demo version 0 09/00
• Demo cube to Edgewarp integration 10/00
• Stage 1 surface illumination 11/00
• Labeled DS query visualization 12/00

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Current Status

• Layer extraction using GIMP
• VF VM JPEG slice delivery service
• VF slices volumes from 643 cublets
• Arbitrary plane extraction from cubelets
• Evaluating fast MMAP paging device
• Deployed collaboratory tools
• Monday 1030AM conference meetings

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Coronal Heart
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45 degree heart
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Oblique Retrieval from vhserv
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(No Transcript)
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Work in progress

• Expanding vhserv XP-1000
• Extracting CT/MRI
• Hooking VM data into existing services
• Investigating server architectures
• Volumetric Data Compression Design
• Looking at improved network connectivity
• Segmentation using layer seed points
• Prototype volume raycasted views
• Adapting for 70mm rescans when available

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Edge based segmentationcutting boundaries not
tissue
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Raycastingsimilar to MPIRE and Mitsubishi
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Horsepower vs workloadanalysis and balancing
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Arthur W. Wetzel

• awetzel_at_psc.edu
• Pittsburgh Supercomputing Center
• 403 Mellon Institute
• 4400 Fifth Ave.
• Pittsburgh, PA 15213
• 412-268-3912
• FAX [phone]