2014 Project Week:MultidimensionalDataSupport

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Home < 2014 Project Week:MultidimensionalDataSupport

Key Investigators

  • Queen's: Andras Lasso
  • BWH: Andriy Fedorov
  • Isomics: Steve Pieper
  • Kitware Jean-Christophe Fillion-Robin
  • UHN: Kevin Wang

Project Description

Objective

  • Add support for node sequences (e.g., time sequence, multi-parametric images, etc.)
    • All node types: not just volumes but also transforms, models, markups, and any custom nodes
    • Large data sets: up to 5000 sequence items, with any number of nodes in each item, any size of nodes
  • Operations:
    • Import from sequence metafile (time sequence of a 2D image and multiple tool tracking data)
    • Save into scene file
    • Load from scene file
    • Browsing sequence items: automatic replay, prev/next item; ability to show multiple items at the same time
    • Modification of sequence items: add/delete, change sequence item name, parameter

Approach, Plan

  • Some prototyping work has been completed: even after extensive MRML scene optimization, handling of large data sets (more 1000+ nodes) is not feasible due to the inefficiency of MRML widgets (node selector combo boxes, scene hierarchy trees; due to each widget maintaining its own qMRMLSceneModel)

Progress