Richard Radke

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Using only the audio signals from two real microphones and the distance separating them, we synthesize the audio that would have been heard at any point along the line connecting the two microphones. The method is valid in anechoic environments. The interpolated audio can be calculated directly, with no need to estimate the number of sources present in the(More)
In this paper, a novel hybrid genetic algorithm is presented for optimization in radiation therapy treatment planning. The proposed Reduced Order Memetic Algorithm (ROMA) is a combination of an evolutionary multi-objective optimization algorithm and gradient-based local search in a reduced order space. The gradient-based optimizer is used for a fast local(More)
PURPOSE Investigate the feasibility of reduced order prioritized optimization for IMRT treatments. METHODS The proposed method consists of three stages. Firstly, we sample the intensities space by solving a series of unconstrained optimizations of a scalar weighted sum of partial objectives for the target and the organs at risk (OARs). Secondly, the(More)
PURPOSE A prioritized optimization scheme is introduced to improve the previously proposed Reduced Order Constrained Optimization (ROCO) method for generating clinically competitive IMRT plans. The improvement eliminates manual repetition of the ROCO constrained optimization stage to automatically produce an IMRT plan with target coverage equivalent to and(More)
Most research on distance collaboration using virtual environments treats audio and video problems as essentially independent. However, recent studies on virtual immersive systems have established a significant correlation between the relative qualities of audio and video displays and the overall sense of realism perceived by the participants. This is a(More)
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