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This paper concerns time-dependent bioluminescence imaging under low-photon conditions. In this problem, one seeks to reconstruct sources of light contained within a tissue sample from noisy boundary measurements of scattered light. The main challenge in this problem lies in processing signals that are constrained by partial differential equations. In this paper, we propose a novel two-stage method...
We present a novel, three-stage method to solve the fluorescence lifetime imaging problem under low-photon conditions. In particular, we reconstruct the fluorophore concentration along with its support and fluorescence lifetime from the time-dependent measurements of scattered light exiting the domain. Because detectors used for these problems are photon counting devices, measurements are corrupted...
Kubelka-Munk theory is an intuitive theory that approximates the flow of power through a plane parallel slab of a scattering medium. We derive it from the radiative transport equation and generalize it to three dimensions, accounting for general boundary sources and non-homogeneous terms.
Radial forces due to rotor eccentricity (or unbalanced magnetic pull) are a common source of noise and vibration in a permanent-magnet synchronous motor [1]. Previous works on radial forces due to eccentricity use an approach of harmonic superposition [2] or the assumption of linear variation in magnetic fields according to eccentricity [3]. In this paper, we use a perturbation theory to find a closed-form...
An internal finishing system for rectangular tube is simulated mathematically. The finishing pressure on the workpiece is produced by applying a magnetic field to the air-gap between the finishing tool and the magnetic poles, and the tool driving force by moving the magnetic pole. The finishing process is controllable because the finishing pressure is controlled by the input current to the winding...
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