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Recently developed computer applications provide tools for planning cranio-maxillofacial interventions based on 3-dimensional (3D) virtual models of the patient's skull obtained from computed-tomography (CT) scans. Precise knowledge of the location of the mid-facial plane is important for the assessment of deformities and for planning reconstructive(More)
PURPOSE The generation of digitally reconstructed radiographs (DRRs) is the most time consuming step on the CPU in intensity based two-dimensional x-ray to three-dimensional (CT or 3D rotational x-ray) medical image registration, which has application in several image guided interventions. This work presents optimized DRR rendering on graphical processor(More)
The authors analysed the CT-findings in 100 normal subjects who underwent a modified double-contrast technique (D.C.). The mean gastric wall thickness in four areas was measured and the contribution of the D.C. technique is discussed.
Endometriosis affecting the urinary tract is very rare. We report on a female patient with a single kidney who presented with anuria due to ureteral endometriosis. Initially a limited ureterectomy with an end-to-end anastomosis was performed. After removing the stent, endometriosis recurred. On reexploration, the terminal ureter was removed and the sound(More)
A complete system for the implementation of digital logic in a fine-grain reconfigurable platform is introduced. The system is composed of two parts: The fine-grain reconfigurable hardware platform (FPGA) on which the logic is implemented and the set of CAD tools for mapping logic to the FPGA platform. A novel energy-efficient FPGA architecture is presented(More)
In this paper we present and compare four different models of implementing a Bandwidth Broker in a DiffServ network. We describe the relevant implementation aspects in the well-known ns-2 simulator and present a number of experiments that were conducted in order to verify our implementation, analyze the performance characteristics of the various(More)
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