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Unversidad Nacional de La Plata (19)

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Aproximadamente 19 registro(s) hasta el momento: (journal)

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Recurso libre

Image processing with nonseparable multiwavelets
Ruedín, Ana M. C.

Formato:	Articulo, Articulo
Enlaces:	In a general context we introduce image processing with 1-dimensional wavelets and show the diferences with nonseparable 2-dimensional wavelets having quincunx decimation, in the first place, and with balanced nonseparable 2-dimensional multiwavelets, in the second place. All of them are…
Fecha:	2004-04-22
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Memory disambiguation hardware: a review
Castro, Fernando - Chaver, Daniel - Piñuel, Luis - Prieto, Manuel - Tirado, Francisco

Formato:	Articulo, Articulo
Enlaces:	One of the main challenges of modern processor designs is the implementation of scalable and efficient mechanisms to detect memory access order violations as a result of out-of-order execution. Conventional structures performing this task are complex, inefficient and power-hungry. This…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

TCP Performance
Marrone, Luis Armando - Barbieri, Andrés - Robles, Matías

Formato:	Articulo, Articulo
Enlaces:	At present there are different TCP versions providing different performances. In this work the three of them: Reno, CUBIC and Vegas are considered. We simulate a WAN type network analyzing the throughput and performance of these TCP variants in order…
Fecha:	2013-03-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Analysis of suitable languages to teach Procedural Programming at the Universidad Nacional del Noroeste de la provincia de Buenos Aires
Osella Massa, Germán Leandro - Russo, Claudia Cecilia - Sarobe, Mónica - Pompei, Sabrina

Formato:	Articulo, Articulo
Enlaces:	Based on the need to update the language and tools used to teach Procedural Programming during the first year of computer science careers, a cross descriptive research was conducted by assessing different programming languages. The analysis involved a total of…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Quality of Service in mobile ad hoc networks
Soufy, Khaled Abdullah Mohammed Al

Formato:	Articulo, Revision
Enlaces:	To support multimedia applications, it is desirable that an ad hoc network has a provision of Quality of Service (QoS). However, the provision of QoS in an ad hoc network is a challenging task due to its inherent…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Model evolution and system evolution
Pons, Claudia - Baum, Gabriel Alfredo - Kutsche, Ralf-Detlef

Formato:	Articulo, Articulo
Enlaces:	In this paper we define an evolution mechanism with formal semantics using the metamodeling methodology [Geisler et al.98] based on dynamic logic. A remarkable feature of the metamodeling methodology is the ability to define the relation of intentional and extensional…
Fecha:	2004-04-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Performance of scientific processing in networks of workstations: matrix multiplication example
Tinetti, Fernando Gustavo

Formato:	Articulo, Articulo
Enlaces:	Parallel computing on networks of workstations are intensively used in some application areas such as linear algebra operations. Topics such as processing as well as communication hardware heterogeneity are considered solved by the use of parallel processing libraries, but experimentation…
Fecha:	2004-04-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

MINIX4RT: Real-time Semaphores
Pessolani, Pablo Andrés

Formato:	Articulo, Articulo
Enlaces:	MINIX4RT is an extension of the well-known MINIX Operating System that adds Hard Real-Time services in a new microkernel but keeping backward compatibility with standard MINIX versions. Semaphores are the primitive synchronization and mutual exclusion mechanism in many operating systems,…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Nearest neighbor affinity scheduling in heterogeneous multi-core architectures
Sibai, Fadi N.

Formato:	Articulo, Articulo
Enlaces:	Asymmetric or heterogeneous multi-core (AMC) architectures have definite performance, performance per watt and fault tolerance advantages for a wide range of workloads. We propose a 16 core AMC architecture mixing simple and complex cores, and single and multiple thread cores…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Comparing marker definition algorithms for watershed segmentation in microscopy images
González, Mariela A. - Cuadrado, Teresita R. - Ballarín, Virginia Laura

Formato:	Articulo, Articulo
Enlaces:	Segmentation is often a critical step in image analysis. Microscope image components show great variability of shapes, sizes, intensities and textures. An inaccurate segmentation conditions the ulterior quantification and parameter measurement. The Watershed Transform is able to distinguish extremely complex…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

Optimizing constrained problems through a T-Cell artificial immune system
Aragón, Victoria S. - Esquivel, Susana Cecilia - Coello Coello, Carlos

Formato:	Articulo, Articulo
Enlaces:	In this paper, we present a new model of an artificial immune system (AIS), based on the process that suffers the T-Cell, it is called T-Cell Model. It is used for solving constrained (numerical) optimization problems. The model operates on…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

E711 - A public emergency wireless phone system
Matos, Victor - Blake, Ben

Formato:	Articulo, Articulo
Enlaces:	This paper introduces the conceptual design of a new information technology integrating wireless telephony and Internet services to assist in locating lost or displaced people in a moment of crisis. This public safety service is based on a novel text…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

Relative signal strength coverage optimization in indoor and outdoor wireless LAN environments
Ekpenyong, Moses E. - Umoren, UduakObong M. - Bassey, Udoma J.

Formato:	Articulo, Articulo
Enlaces:	Fading and obstacles constitute major threats to effective quality of service (QoS) delivery in wireless local area network (WLAN) environments. In this contribution, we investigate the signal quality of indoor and outdoor WLANs over a defined coverage area. We present…
Fecha:	2013-03-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

Development of multi-level system of steganography
Ogundele, Tunde Joseph - Adetunmbi, Adebayo Olusola

Formato:	Articulo, Articulo
Enlaces:	Internet world is characterized by many users among which are crackers and thieves. Hence, the need for a secured system to safely exchange confidential information among users across the web is required. Of such tool is steganography that simply hides…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

Smart cameras
Leiva, Lucas - Acosta, Nelson

Formato:	Articulo, Revision
Enlaces:	The computer vision based applications market is increasing since several years ago. A lot of new application areas are incorporating this type of systems to solve particular problems. An emergent trend in last decades is incorporate dedicated devices to particular…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

An economic view of indirect reputation management for grids
Echaiz, Javier - Ardenghi, Jorge Raúl

Formato:	Articulo, Articulo
Enlaces:	Scientific collaboration are becoming interdisciplinary, and scientists are working in informal collaboration to solve complex problems that require multiple types of large resources. An option is a computational grid. A computational grid is a distributed infrastructure that appears to the…
Fecha:	2009-04-13
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

Throughput quantitative analysis of EDCA 802.11e in different scenarios
Perez, Santiago Cristobal - Facchini, Higinio Alberto - Mercado, Gustavo - Bisaro, Luis - Campos, Javier

Formato:	Articulo, Articulo
Enlaces:	This document presents a quantitative analysis of the direct and relative throughput of IEEE 802.11e. The global throughput of an 802.11e WLAN is determined by EDCA (Enhanced Distributed Channel Access) parameters, among other aspects, that are usually configured with predetermined…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

Spanish sign language interpreter for mexican linguistics
Juan Barragán, Francisco Javier - Pérez Grana, José Arturo - Cervantes, Francisco - Schwarzblat y Katz, Morris - Olide Márquez, María Guadalupe - Pérez Sánchez, Ana Paola

Formato:	Articulo, Articulo
Enlaces:	We present here the first visual interface for a Mexican Spanish Sign Language translator on its first development stage: sign-writing recognition. The software was developed for the unique characteristics of Mexican linguistics and was designed in order to use sentences…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

Knowledge extraction in large databases using adaptive strategies
Hasperué, Waldo

Formato:	Articulo, Revision
Enlaces:	The general objective of this thesis is the development of an adaptive technique for extracting knowledge in large databases. Nowadays, technology allows storing huge volumes of information. For this reason, the availability of techniques that allow, as a first stage,…
Fecha:	2013-03-26
Recurso:	Unversidad Nacional de La Plata