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Determining the extent of liver fibrosis has clinically been difficult due to the lack of a simple, objective method that can accurately quantify the amount of collagen in the diseased tissue. Second harmonic generation (SHG) microscopy has been shown to produce bright and robust signals from non-centrosymmetric fibrillar collagen. We designed a SHG system that can objectively measure collagen presence...
The restoration of healthy locomotion (gait) after stroke, traumatic brain injury, and spinal cord injury, is a major task in neurological rehabilitation. The rehabilitation process is labor intensive. Patient evaluation is often subjective, foiling determination of precise rehabilitation goals and assessment of treatment effects. To date it is the experienced clinician who continues to perform functional...
In color flow data processing, the eigen-regression filter has shown potential in suppressing slow-time clutter while preserving blood echoes because of its adaptability to the Doppler signal contents. However, this filter is inherently based on the use of multiple slow-time snapshots that are statistically stationary. In this article, we present a new eigen-based clutter filter called the Hankel-SVD...
The first theoretically exact spiral cone-beam CT reconstruction algorithm developed was by Katsevich. Recently, Yu et al. implemented the algorithm numerically. Although the method is very promising, the computation is very intensive. It requires huge amount of computer time. Recently, people began to parallelize the algorithm for achieving high performance computation. This paper presents an analysis...
This paper focuses on the implementation of parallel approach of Katsevich CT image reconstruction algorithm using one-sided communication technique. One-sided communication is a new feature provided by MPI-2 standard. It natively supports new network techniques such as InfiniBand and Myrinet. In this project, we implement three kinds of one-sided approaches for Katsevich algorithm. The results are...
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