Perceptual indicators of multimedia quality have to be taken into account in order to build the truly end-toend communication architectures of the future. This paper investigates the perceptual impact of differing multimedia presentation frame rates on user information assimilation and level of satisfaction. We apply the Quality of Perception (QoP) concept, which encompasses not only a user’s a...

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Abstract Nanochanneled silicon targets with high positron/positronium (Ps) conversion rate and efficient Ps cooling were produced. Morphological parameters of the nanochannels, such as their diameter length, adjusted to get a large fraction thermalized at room temperature being emitted into vacuum. measurements conducted combining single-shot positron annihilation lifetime spectroscopy Doppler ...