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BIAC Processing Pipeline

BIAC Processing Pipeline. Jimmy Dias BIAC September 8, 2003. Outline. Data Flow Data Processing* Current Processing Additional Processing Extra files Storage Options Work in Progress: Server Side Processing* *information on BIAC website . Data Flow. Scanners: 1.5T + 4.0T.

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BIAC Processing Pipeline

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  1. BIAC Processing Pipeline Jimmy Dias BIAC September 8, 2003

  2. Outline • Data Flow • Data Processing* • Current Processing • Additional Processing • Extra files • Storage Options • Work in Progress: Server Side Processing* *information on BIAC website

  3. Data Flow Scanners: 1.5T + 4.0T Processing Servers: Fourier, Dirac Storage: Huxley, Hodgkin, Bristol Data Access: BIAC, non-BIAC CCN UNC GSK BIAC …. Tape Backup

  4. Processing Overview • Transfer daemon • Pfile Transfer • Additional Data Paths • Processing Daemon • Experiment ID specific Processing options • Fully automated • Transfer to Storage

  5. Transfer Daemon • Tech responsibilities • Patient ID field (case insensitive) • Pfiles – functionals and spectroscopy • Checkstatus • Monitoring Disk Space • Recon on the Console (testing) • Anatomicals (DICOM) • Works in Progress • ADW file transfer • Paradigm File Transfer

  6. Current Processing • Reconstruction • Recons available –spiral, invspiral, epiduke • PSD mapping • Output File format options • 3d versus 4d • Compression • Additional Files • BIAC XML Header • Pfile Header • Quality Assurance – Stability Plots

  7. Additional Processing • Time Slice Correction • SPM windowed sinc interpolation • Cubic spline interpolation • Motion Correction using AIR • Parameters: rigid body 6 parameter model with least squares with intensity rescaling • Normalization using AIR • Surface reconstruction (currently being tested)

  8. Storage • Storage Area Network (SAN) • 1.3 TB backed by 10+ TB near-line storage • Bristol • Netapp Boxes • Huxley and Hodgkin • Quotas • SFTP Server • Access to Netapp from outside BIAC

  9. Work in Progress: Server Processing • UNIX processing • Processing scripts available • LoadLeveler • Client/Server Software • Security (Kerberos authentication) • Safe and reliable access to data • Uses numerous powerful packages • Insight Toolkit • UCLA’s AIR • SPM

  10. Contributors • Syam Gadde • Charles Michelich • Michael Wu • Jeff Hoerle • Jim Voyvodic • Francis Favorini • Allen Song • Stergios Anastiasiadis

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