Titlebook: Information Theory and Applications II; 4th Canadian Worksho Jean-Yves Chouinard,Paul Fortier,T. Aaron Gulliver Conference proceedings 1996

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Reduced complexity soft-output maximum Likelihood Sequence Estimation of 4-ary CPM signals transmitcase of transmission over a Rayleigh flat-fading channel, an attractive receiver is in the form of the Viterbi algorithm with the trellis updates being computed using a bank of FIR filters and square operations. The FIR filters are functions of the CPM pulse shape, of the channel model and of the tr

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A novel receiver structure for MPSK in the presence of rapidly changing phase,s receiver uses a parallel structure, and its output approximates a Maximum Likelihood detection of the data. We apply this receiver to the special case of data detection of MPSK in the presence of rapidly changing unknown phase; here, the rate of phase change is such that phase change over two symb

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Choice of wavelets for image compression,e search procedures to find the optimal basis (type, order and tree). In this paper, we show that searching for optimal wavelet does not always offer a substantial improvement in coding performance over “good” standard wavelets. We propose some guidelines for determining the need to search for the “

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Information in Markov random fields and image redundancy,mputer Vision to define models of image redundancy. Houzelle et Giraudon applied information theory to a simple model considering an image as a set of isolated pixels. We introduce a Markov Random Field model to take into account the spatial neighbourhood of a pixel. We show that we have to determin

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Jens Peter Pedersen,Despina Polemiversal explanatory instrument to understand social policies..This open access edited volume introduces the concept of causal mechanisms to explore new ways of explaining the global dynamics of social policy, and shows that a mechanism-based approach provides several advantages over established appro