نتایج جستجو برای: 0407
تعداد نتایج: 115 فیلتر نتایج به سال:
Saliency mechanisms can play an important role in the ability of recognition systems to deal with cluttered scenes. Saliency detection has also been an active area of computer vision, where existing solutions can be divided into two major classes: domain-independent and domain-dependent. In this work, it is proposed that the two classes are complementary and can be addressed within a unified fo...
This paper describes an active-set algorithm for nonlinear programming that solves a parametric linear programming subproblem at each iteration to generate an estimate of the active set. A step is then computed by solving an equality constrained quadratic program based on this active-set estimate. This approach respresents an extension of the standard sequential linear-quadratic programming (SL...
This paper presents the average error probability performance of a compact space diversity receiver for the reception of binary coherent and non-coherent modulation signals through a correlated Nakagami fading channel. Analytical expressions of the average BER are derived as a function of the covariance matrix of the multipath component signals at the antenna elements. Closed-form expressions f...
Lin Pang Wataru Nakagawa Yeshaiahu Fainman University of California, San Diego Department of Electrical and Computer Engineering 9500 Gilman Drive La Jolla, California 92093-0407 E-mail: [email protected] Abstract. We develop a method for the fabrication of optical structures in GaAs substrates using UV holographic lithography in SU-8 resist, processed to fabricate a mask, followed by chemical...
The major histocompatibility complex (MHC) is one of the biological systems of major polymorphisms. The study of HLA class II variability has allowed the identification of several alleles that are characteristic to Amerindian populations, and it is an excellent tool to define the relations and biological affinities among them. In this work, we analyzed the allelic distribution of the HLA-DRB1 c...
Center for Wireless Communications, University of California San Diego, 9500 Gilman Dr. La Jolla, CA 92093-0407, USA – fax: +1-619-534-2486 – e-mail: fzorzi,[email protected] Abstract— The requirements of emerging new communications services differ in many critical ways from traditional voice applications. The effect of errors on voice transmission and techniques to overcome them are relatively...
This paper reviews, extends and analyzes a new class of penalty methods for nonlinear optimization. These methods adjust the penalty parameter dynamically; by controlling the degree of linear feasibility achieved at every iteration, they promote balanced progress toward optimality and feasibility. In contrast with classical approaches, the choice of the penalty parameter ceases to be a heuristi...
A binary sequence satisfies a one-dimensional (d; k) run length constraint if every run of zeros has length at least d and at most k. A two-dimensional binary pattern is (d1; k1; d2; k2)-constrained if it satisfies the one-dimensional (d1; k1) run length constraint horizontally and the one-dimensional (d2; k2) run length constraint vertically. For given d1; k1; d2, and k2, the asymmetric two-di...
AIM This paper discusses the critical determinants of pressure ulcer development and proposes a new pressure ulcer conceptual framework. BACKGROUND Recent work to develop and validate a new evidence-based pressure ulcer risk assessment framework was undertaken. This formed part of a Pressure UlceR Programme Of reSEarch (RP-PG-0407-10056), funded by the National Institute for Health Research. ...
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