2014 Summer Project Week:Intelligent Steering

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  Projects List

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  2D slice views of fixed image using different PCA axis combinations

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  2D slice views of moving image using different PCA axis combinations

Key Investigators

• Marcel Prastawa, GE
• Jim Miller, GE
• Steve Pieper, Isomics

Project Description

Steered image registration in Slicer using intelligent interaction rather than direct interaction where user specifies deformation changes.

Objective

• Develop interaction schemes that allows users to indicate incorrect regions
• Provide intelligent interfaces so users provide minimal interaction without detailed control of image deformations

Approach, Plan

• Investigate data exploration techniques for highlighting common registration errors (local rotation, shift, and scaling)
• Implement efficient, responsive extensions using the Slicer 4 Python extension platform and PyOpenCL

Progress

• Testing the use of robust PCA for providing hints on rotational misalignment
• Investigating the modeling of appropriate correction steps given the possible misalignments

References

Video of Direct Steering Interaction