Utilizing Hierarchical Multiprocessing for Medical Image Registration

William Plishker, Omkar Dandekar, Shuvra S. Bhattacharyya, Raj Shekhar
University of Maryland
IEEE Signal Processing Magazine, 2009


   title={Utilizing hierarchical multiprocessing for medical image registration},

   author={Plishker, W. and Dandekar, O. and Bhattacharyya, S. and Shekhar, R.},

   journal={Signal Processing Magazine, IEEE},







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This work discusses an approach to utilize hierarchical multiprocessing in the context of medical image registration. By first organizing application parallelism into a domain-specific taxonomy, an algorithm is structured to target a set of multicore platforms.The approach on a cluster of graphics processing units (GPUs) requiring the use of two parallel programming environments to achieve fast execution times is demonstrated.There is negligible loss in accuracy for rigid registration when employing GPU acceleration, but it does adversely effect our nonrigid registration implementation due to our usage of a gradient descent approach.
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