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Wavelet or sub–band coding has been quite successful in compression applications, and this success can be attributed in part to the good approximation properties of wavelets. In this paper, we revisit rate–distortion (RD) bounds for the wavelet approximati ...
In this paper, we present our RT-CORBA implementation based on the synchronous active object concepts developed at the Networking Laboratory at the author's institute. We take and redefine several of the RT-CORBA considerations. The main goal is to show th ...
The interactive mobile system RoboX is presented. Ten such robots will propose tours to visitors of the swiss national exposition during five month, seven days a week, ten hours per day. Algorithms are to find and track dynamic objects through the expositi ...
We present a new, robust algorithm for tracking fluorescent particles in dynamic image sequences obtained by brightfield or confocal microscopy. Specifically, we consider the problem of extracting the movement of chromosomal telomeres within the nucleus of ...
We study network capacity limits and optimal routing algorithms for regular sensor networks, namely, square and torus grid sensor networks, in both, the static case (no node failures) and the dynamic case (node failures). For static networks, we derive upp ...
We present an extension of Freund and Schapire's AdaBoost algorithm that allows an input-dependent combination of the base hypotheses. A separate weak learner is used for determining the input-dependent weights of each hypothesis. The error function minimi ...
Due to the steady tendency to propose highly customized products and to respond to volatile (i.e random) demands, Flexible Manufacturing Systems (FMS) are now present in most shopfloors. In this thesis, flexibility in a FMS is understood as the ability of ...
We analyze the elongation (the scaling properties of drainage area with mainstream length) in optimal channel networks (OCNs) obtained through different algorithms searching for the minimum of a functional computing the total energy dissipation of the drai ...
We explore the scheduling rules and the hedging levels that can be obtained by using a Restless Bandit Problem formulation of a make-to-stock production. The underlying dynamics are markov chain in continuous lime and the associate reward are piecewise lin ...
A high-order, multivariable, modern plasma controller has been designed using H-infinity optimal control techniques and tested oil the Tokamak Configuration Variable (TCV) tokamak. An initial design for the control of the plasma current, position, and shap ...
