نتایج جستجو برای: successive projections algorithm

تعداد نتایج: 830484  

Journal: :Mathematical Modelling and Numerical Analysis 2022

We consider the numerical homogenization of a class fractal elliptic interface problems inspired by related mechanical contact from geosciences. A particular feature is that solution space depends on actual geometry. Our main results concern construction projection operators with suitable stability and approximation properties. The existence such projections then allows for application existing...

Journal: :Hepatology 2012
Jérôme Boursier Victor de Ledinghen Jean-Pierre Zarski Isabelle Fouchard-Hubert Yves Gallois Frédéric Oberti Paul Calès

UNLABELLED The sequential algorithm for fibrosis evaluation (SAFE) and the Bordeaux algorithm (BA), which cross-check FibroTest with the aspartate aminotransferase-to-platelet ratio index (APRI) or FibroScan, are very accurate but provide only a binary diagnosis of significant fibrosis (SAFE or BA for Metavir F ≥ 2) or cirrhosis (SAFE or BA for F4). Therefore, in clinical practice, physicians h...

Journal: :Perception & psychophysics 1997
M A Hogervorst A M Kappers J J Koenderink

We measured thresholds for the monocular discrimination of rigidly and nonrigidly moving objects defined by motion parallax. The retinal projections of rigidly moving objects are subject to certain constraints. By applying smooth 2-D transformations to the projections of rigidly moving objects, we created stimuli in which these constraints were affected. Thresholds for (generic) nonrigid transf...

2010
Mohammad Ghavamzadeh Alessandro Lazaric Odalric-Ambrym Maillard Rémi Munos

We consider the problem of reinforcement learning in high-dimensional spaces when the number of features is bigger than the number of samples. In particular, we study the least-squares temporal difference (LSTD) learning algorithm when a space of low dimension is generated with a random projection from a highdimensional space. We provide a thorough theoretical analysis of the LSTD with random p...

1998
Jim McElwaine

This paper describes an algorithm for selecting a consistent set within the consistent histories approach to quantum mechanics and investigates its properties. The algorithm select from among the consistent sets formed by projections defined by the Schmidt decomposition by making projections at the earliest possible time. The algorithm unconditionally predicts the possible events in closed quan...

Journal: :Brain research 2004
Anna Kosmal Monika Malinowska Agnieszka Woźnicka Josef P Rauschecker

The composite posterior and sylvian gyri of the canine temporal cortex show cytoarchitectonic features of poorly differentiated isocortex. Quantitative evaluation of connections examined with retrogradely transported fluorescent tracers indicated that both gyri received strong thalamic projections from the medial geniculate body (MG) and the lateromedial-suprageniculate (LM-Sg) complex, and a w...

Journal: :Advances in Complex Systems 2008
Olof Görnerup Martin Nilsson Jacobi

Complex systems may often be characterized by their hierarchical dynamics. In this paper do we present a method and an operational algorithm that automatically infer this property in a broad range of systems; discrete stochastic processes. The main idea is to systematically explore the set of projections from the state space of a process to smaller state spaces, and to determine which of the pr...

2012
Siavash Heydarzadeh S. Heydarzadeh

Implemented 5-bit 125-MS/s successive approximation register (SAR) analog to digital converter (ADC) on FPGA is presented in this paper.The design and modeling of a high performance SAR analog to digital converter are based on monotonic capacitor switching procedure algorithm .Spartan 3 FPGA is chosen for implementing SAR analog to digital converter algorithm. SAR VHDL program writes in Xilinx ...

Journal: :Australasian Physical & Engineering Sciences in Medicine 2011

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