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Articles 933 registres trobats  inicianterior920 - 929següent  anar al registre: La cerca s'ha fet en 0.01 segons. 
920.
23 p, 686.1 KB A novel approach to sparse histogram image lossless compression using JPEG / Aguzzi, Marco (Università degli Studi di Pavia. Dipartimento di Informatica e Sistemistica) ; Albanesi, Maria Grazia (Università degli Studi di Pavia. Dipartimento di Informatica e Sistemistica)
In this paper a novel approach to the compression of sparse histogram images is proposed. First, we define a sparsity index which gives hints on the relationship between the mathematical concept of matrix sparsity and the visual information of pixel distribution. [...]
2006 - 10.5565/rev/elcvia.116
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 5 n. 4 (2006) p. 24-46  
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921.
12 p, 683.5 KB A Comparison Framework for Walking Performances using aSpaces / Villanueva Pipaón, Juan José (Universitat Autònoma de Barcelona. Departament de Ciències de la Computació) ; Gonzàlez, Jordi (Universitat Autònoma de Barcelona. Departament de Ciències de la Computació) ; Varona, Javier (Universitat de les Illes Balears. Departament de Ciències Matemàtiques i Informàtica) ; Roca i Marvà, Francesc Xavier (Universitat Autònoma de Barcelona. Departament de Ciències de la Computació) ; Gonzàlez, Jordi
In this paper, we address the analysis of human actions by comparing different performances of the same action executed by different actors. Specifically, we present a comparison procedure applied to the walking action, but the scheme can be applied to other different actions, such as bending, running, etc. [...]
2005 - 10.5565/rev/elcvia.110
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 5 n. 3 (2005) p. 105-116  
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922.
20 p, 2.1 MB Improvement of Modal Matching Image Objects in Dynamic Pedobarography using Optimization Techniques / Tavares, João Manuel R. S. (Universidade do Porto. Departamento de Engenharia Mecânica e Gestão Industrial) ; Ferreira Bastos, Luísa (Instituto de Engenharia Mecânica e Gestão Industria (Porto, Portugal). Laboratório de Óptica e Mecânica Experimental)
This paper presents an approach for matching objects in dynamic pedobarography image sequences, based on finite element modeling and modal analysis. The determination of correspondences between nodal objects is improved using optimization techniques and, because the number of elements of each object is not necessary the same, a new algorithm to match excess nodes is proposed. [...]
2005 - 10.5565/rev/elcvia.102
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 5 n. 3 (2005) p. 1-20  
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923.
7 p, 119.8 KB Texture Segmentation using LBP embedded Region Competition / Xu, Qing (Shanghai Jiao tong University. Institute of Image Processing & Pattern Recognition) ; Yang, Jie (Shanghai Jiao tong University. Institute of Image Processing & Pattern Recognition) ; Ding, Siyi (Shanghai Jiao tong University. Institute of Image Processing & Pattern Recognition)
In this paper, we modify the region competition method to segment textures. First, local Binary pattern (LBP) histogram is adopted to capture the texture information. Then, considering the specific goal of texture segmentation, we propose new assumption about region competition and rewrite the energy function based on LBP histograms. [...]
2005 - 10.5565/rev/elcvia.83
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 5 n. 1 (2005) p. 41-47  
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924.
17 p, 165.9 KB Optimization of Weights in a Multiple Classifier Handwritten Word Recognition System Using a Genetic Algorithm / Günter, Simon (University of Bern (Suïssa). Department of Computer Science) ; Bunke, Horst (University of Bern (Suïssa). Department of Computer Science)
Automatic handwritten text recognition by computer has a number of interesting applications. However, due to a great variety of individual writing styles, the problem is very difficult and far from being solved. [...]
2004 - 10.5565/rev/elcvia.67
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 3 n. 1 (2004) p. 25-44  
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925.
13 p, 574.4 KB MRF-based image segmentation using Ant Colony System / Salima, Ouadfel (Mentouri University (Algèria). Computer Science Department) ; Mohamed, Batouche (Mentouri University (Algèria). Computer Science Department)
In this paper, we propose a novel method for image segmentation that we call ACS-MRF method. ACS-MRF is a hybrid ant colony system coupled with a local search. We show how a colony of cooperating ants are able to estimate the labels field and minimize the MAP estimate. [...]
2003 - 10.5565/rev/elcvia.63
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 2 n. 1 (2003) p. 12-24  
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926.
20 p, 1002.9 KB Classification of breast mass abnormalities using denseness and architectural distortion / Baeg, Soon (Texas Instruments, Inc. (Dallas, Estats Units d'Amèrica)) ; Kehtarnavaz, Nasser (University of Texas at Dallas. Department of Electrical Engineering)
This paper presents an electronic second opinion system for the classification of mass abnormalities in mammograms into benign and malignant categories. This system is designed to help radiologists to reduce the number of benign breast cancer biopsies. [...]
2002 - 10.5565/rev/elcvia.59
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 1 n. 1 (2002) p. 1-20  
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927.
15 p, 190.7 KB On the origin of present Neotropical biodiversity : a preliminary meta-analysis about speciation timing using molecular phylogenies / Rull, Valentí (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
The evolutionary origin of extant species has been largely debated. The controversy is especially vivid in the Neotropics, one of the more biodiverse regions of the world. One hypothesis is that Neotropical species emerged primarily during the Quaternary (the last ~2 million years), favored by the alternating glacial/interglacial climates. [...]
L'origen evolutiu de les espècies actuals és un tema encara polèmic, especialment al neotròpic, que és una de les regions amb més biodiversitat del planeta. Una hipòtesi planteja que aquestes espècies s'han originat principalment durant el quaternari (els darrers ~2 milions d'anys), gràcies a l'alternança climàtica representada per les glaciacions i els interglaciars. [...]
2007
Orsis, V. 22 (2007) p. 105-119  
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928.
24 p, 265.8 KB El análisis de los procesos de trabajo mediante métodos etnográficos : el caso del trabajo administrativo de consultas externas hospitalarias / Verd Pericàs, Joan Miquel (Universitat Autònoma de Barcelona. Departament de Sociologia) ; Barranco Font, Oriol (Universitat Autònoma de Barcelona. Departament de Sociologia) ; Moreno Colom, Sara, 1978- (Universitat Autònoma de Barcelona. Departament de Sociologia)
Se exponen en el artículo los aspectos que consideramos más novedosos del diseño metodológico llevado a cabo para la identificación y el análisis de los procesos de trabajo en el área de consultas externas de un hospital catalán. [...]
The article presents the most outstanding elements of the methodological design carried out in a research aiming at the identification and analysis of work processes in the area of specialty consults in a Catalan hospital. [...]
2007 - 10.5565/rev/papers/v83n0.1144
Papers : revista de sociologia, N. 83 (2007) p. 145-168  
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929.
20 p, 623.4 KB Valoración de los aspectos visuales del paisaje mediante la utilización de un sistema de información geográfica / Bosque Sendra, Joaquín ; Gómez Delgado, Montserrat ; Rodríguez Durán, Ana Esther ; Rodríguez Espinosa, Víctor Manuel ; Vela Gayo, Antonia
Los estudios del paisaje han sido siempre un tema que ha resultado de gran interés desde el punto de vista geográfico. Sin duda la valoración es una labor compleja y tediosa, ya que presenta un doble inconveniente: la subjetividad y el empleo de técnicas manuales. [...]
Els estudis del paisatge han estat sempre un tema de gran interès des del punt de vista geogràfic. No hi ha dubte que la valoració és una tasca complexa i tediosa, ja que presenta un doble inconvenient: la subjectivitat i la utilització de tècniques manuals. [...]
Les études du paysage ont toujours été un sujet fort interessant du point de vue géographique. Sans doute, c'est l'évaluation la tâche la plus complexe et la plus ennuyante, car elle présente un double inconvénient: la subjectivité et l'emploi de techniques manuelles. [...]
Studies of the landscape have always been a subject of interest in Geography. The evaluation of landscape has been complex and tedious and has had two shortcomings: subjectivity and the use of manual techniques. [...]
1997
Documents d'anàlisi geogràfica, N. 30 (1997) p. 19-38  
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Articles : 933 registres trobats   inicianterior920 - 929següent  anar al registre:
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