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Image Sharpening by Flows Based on Triple Well Potentials
image filtering image enhancement image sharpening,nonlinear diffusion hyperdiffusion variational image processing
2010/1/7
Image sharpening in the presence of noise is formulated as a non-convex variational problem. The energy functional incorporates a gradient-dependent potential, a convex fidelity criterion and a high o...
Image Sharpening by Flows Based on Triple Well Potentials
image filtering image enhancement image sharpening,nonlinear diffusion hyperdiffusion variational image processing
2010/1/7
Image sharpening in the presence of noise is formulated as a non-convex variational problem. The energy functional incorporates a gradient-dependent potential, a convex fidelity criterion and a high o...
Physics-driven CFD modeling of complex anatomical cardiovascular flows-a TCPC case study
Fontan operation Digital particle image velocimetry Flow instability Computational Fluid Dynamics
2009/12/23
Recent developments in medical image acquisition combined with the latest advancements in numerical methods for solving the Navier-Stokes equations have created unprecedented
opportunities for develo...
Modified control grid interpolation for the volumetric reconstruction of fluid flows
Modified control grid interpolation volumetric reconstruction fluid flows
2009/12/23
Complex applications in fluid dynamics research often require more highly resolved velocity data than direct measurements or simulations provide. The advent of stereo PIV and PCMR techniques has advan...
Development of a New Method for Discriminating Embolus from Air Bubble by Active Ultrasound Doppler Method. 1 (Experiments of Ultrasound Irradiation Perpendicular to a Tube Axis in Flows of Water and Modeled Blood)
USD TCD cerebral embolism characteristic acoustic impedance acoustic radiation force
2009/8/24
An “active” ultrasound Doppler method was newly developed in order to directly and easily discriminate emboli from micro bubbles flowing in blood vessel. The principle of this method is based on measu...