We introduce a coe cient update procedure into existing batch and online dictionary learning algorithms. We rst propose an algorithm which is a coe cient updated version of the Method of Optimal Directions (MOD) dictionary learning algorithm (DLA). The MOD algorithm with coe cient updates presents a computationally expensive dictionary learning iteration with high convergence rate. Secondly, we...

We show that various surface parameters in two-dimensional diffusion limited aggregation (DLA) grow linearly with the number of particles. We find the ratio of the average length of the perimeter and the accessible perimeter of a DLA cluster together with its external perimeters to the cluster size, and define a microscopic schematic procedure for attachment of an incident new particle to the c...

Although a number of Artiicial Neural Network models have been used for object recognition tasks, most do not provide desirable invariances to various transformations of the image. The Dynamic Link Architecture (DLA) provides these desired properties by representing objects as labeled graphs. Object recognition therefore amounts to a labeled graph matching task. The DLA is a biologically inspir...

Operation of any kind of machinery is always connected to efficiency and losses. The part of energy is always being dissipated to the surroundings. In the case of electric machines the losses result in heat generation. Present contribution introduces the numerical method for predicting and analysing the heat transfer including conduction, convection, and radiation at the specific operating regi...

Funkcjonalne twierdzenia graniczne na ogół dowodzi się sprawdzając zbieżność rozkładów skończenie wymiarowych oraz ciasność rozkładów w odpowiedniej topologii w przestrzeni Skorochoda [1]. W przypadku zależnych zmiennych losowych, gdy procesem granicznym jest niegaussowski proces Lévy’ego, badanie ciasności rozkładów może być zadaniem wręcz niewykonalnym. Ponadto, nabiera także znaczenia proble...

The present paper will approach the design and analysis of a permanent magnet synchronous motor (PMSM) for automotive electromechanical braking (EMB) system. Due to technological and cost constraints, for the PMSM prototype a slightly different topology of the rotor is proposed. Finite element method will be used for analyzing the static performances of the former topology, and compare them wit...

A parallel algorithm for diffusion-limited aggregation (DLA) is described and analyzed from the perspective of computational complexity. The dynamic exponent z of the algorithm is defined with respect to the PRAM model of parallel computation according to T ∼ L z , where T is the running time and L the cluster size. It is argued that z = D − D 2 /3, where D is the fractal dimension and D 2 is t...

In this paper we present the results of a practical exercise in matching records from two different legacy databases. This exercise is a portion of our work for the US Defense Logistics Agency, (DLA). It addresses the problem of identifying parts in the database of DLA managed items that match parts available from a commercial online catalog. A method of automatically generating approximate mat...

The High Energy Transmission Grating (HETG) Spectrometer on the Advanced X-ray Astrophysics Facility (AXAF) (scheduled for launch in August, 1998) will provide a new tool for the study of absorption in the X-ray spectra of high redshift quasars due to the material along the line of sight. In this paper we try to explore the possibility of using AXAF HETG to detect resonance absorption lines fro...

PURPOSE To investigate the relationship between neuroretinal rim (NRR) differential light absorption (DLA, a measure of spectral absorption properties) and visual field (VF) sensitivity in primary open-angle glaucoma (POAG). METHODS Patients diagnosed with (n = 22) or suspected of having (n = 7) POAG were imaged with a multispectral system incorporating a modified digital fundus camera, 250-W...