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39 results on '"Gallardo-Caballero, Ramón"'

4. Robustness of a CAD System on Digitized Mammograms

Author

García-Manso, Antonio, García-Orellana, Carlos J., Gallardo-Caballero, Ramón, Lanconelli, Nico, González-Velasco, Horacio, Macías-Macías, Miguel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, Mana, Nadia, editor, Schwenker, Friedhelm, editor, and Trentin, Edmondo, editor

Published
2012
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6. Image Analysis Applied to Morphological Assessment in Bovine Livestock

Author

González–Velasco, Horacio M., García–Orellana, Carlos J., Macías–Macías, Miguel, Gallardo–Caballero, Ramón, García–Manso, Antonio, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Blanc-Talon, Jacques, editor, Kleihorst, Richard, editor, Philips, Wilfried, editor, Popescu, Dan, editor, and Scheunders, Paul, editor

Published
2011
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7. Comparing Feature Extraction Techniques and Classifiers in the Handwritten Letters Classification Problem

Author

García-Manso, Antonio, García-Orellana, Carlos J., González-Velasco, Horacio M., Macías-Macías, Miguel, Gallardo-Caballero, Ramón, Hutchison, David, Kanade, Takeo, Kittler, Josef, Kleinberg, Jon M., Mattern, Friedemann, Mitchell, John C., Naor, Moni, Nierstrasz, Oscar, Pandu Rangan, C., Steffen, Bernhard, Sudan, Madhu, Terzopoulos, Demetri, Tygar, Doug, Vardi, Moshe Y., Weikum, Gerhard, Diamantaras, Konstantinos, editor, Duch, Wlodek, editor, and Iliadis, Lazaros S., editor

Published
2010
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8. Effect of BI-RADS Assessment in Improving CAD of Masses

Author

García-Manso, Antonio, García-Orellana, Carlos J., Gallardo-Caballero, Ramón, González-Velasco, Horacio, Macías-Macías, Miguel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Martí, Joan, editor, Oliver, Arnau, editor, Freixenet, Jordi, editor, and Martí, Robert, editor

Published
2010
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9. A Method for Interactive Shape Detection in Cattle Images Using Genetic Algorithms

Author

González–Velasco, Horacio M., García–Orellana, Carlos J., Macías–Macías, Miguel, Gallardo–Caballero, Ramón, Álvarez–Franco, Fernando J., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Kropatsch, Walter G., editor, Kampel, Martin, editor, and Hanbury, Allan, editor

Published
2007
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10. Independent Component Analysis Applied to Detection of Early Breast Cancer Signs

Author

Gallardo-Caballero, Ramón, García-Orellana, Carlos J., González-Velasco, Horacio M., Macías-Macías, Miguel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Sandoval, Francisco, editor, Prieto, Alberto, editor, Cabestany, Joan, editor, and Graña, Manuel, editor

Published
2007
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11. Using GAs to Obtain an Optimal Set of Codes for an Ultrasonic Local Positioning System

Author

Álvarez–Franco, Fernando J., González–Velasco, Horacio M., García–Orellana, Carlos J., Macías–Macías, Miguel, Gallardo–Caballero, Ramón, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Moreno Díaz, Roberto, editor, Pichler, Franz, editor, and Quesada Arencibia, Alexis, editor

Published
2007
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12. ICA and GA Feature Extraction and Selection for Cloud Classification

Author

Macías-Macías, Miguel, García-Orellana, Carlos J., González-Velasco, Horacio, Gallardo-Caballero, Ramón, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Singh, Sameer, editor, Singh, Maneesha, editor, Apte, Chid, editor, and Perner, Petra, editor

Published
2005
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14. A Comparison of PCA and GA Selected Features for Cloud Field Classification

Author

Macías-Macías, Miguel, García-Orellana, Carlos J., González-Velasco, Horacio M., Gallardo-Caballero, Ramón, Serrano-Pérez, Antonio, Goos, G., editor, Hartmanis, J., editor, van Leeuwen, J., editor, Carbonell, Jaime G., editor, Siekmann, Jörg, editor, Garijo, Francisco J., editor, Riquelme, José C., editor, and Toro, Miguel, editor

Published
2002
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29. Motorización de un sistema de bombeo solar aislado a través de IoT

Author

González Velasco, Horacio Manuel, García Manso, Antonio, García Orellana, Carlos Javier, Asensio Nieto, Alejandro, Macías Macías, Miguel, Gallardo Caballero, Ramón, González Velasco, Horacio Manuel, García Manso, Antonio, García Orellana, Carlos Javier, Asensio Nieto, Alejandro, Macías Macías, Miguel, and Gallardo Caballero, Ramón

Published
2018

30. Desarrollo de un electrocardiógrafo portátil

Author

García Orellana, Carlos Javier, García Manso, Antonio, M. González Velasco, Horacio, Macías Macías, Miguel, Gallardo Caballero, Ramón, Flores Román, Jorge A., García Orellana, Carlos Javier, García Manso, Antonio, M. González Velasco, Horacio, Macías Macías, Miguel, Gallardo Caballero, Ramón, and Flores Román, Jorge A.

Published
2018

36. Independent Component Analysis Applied to Detection of Early Breast Cancer Signs.

Author

Hutchison, David, Kanade, Takeo, Kittler, Josef, Kleinberg, Jon M., Mattern, Friedemann, Mitchell, John C., Naor, Moni, Nierstrasz, Oscar, Pandu Rangan, C., Steffen, Bernhard, Sudan, Madhu, Terzopoulos, Demetri, Tygar, Doug, Vardi, Moshe Y., Weikum, Gerhard, Sandoval, Francisco, Prieto, Alberto, Cabestany, Joan, Graña, Manuel, and Gallardo-Caballero, Ramón

Abstract

This work evaluates the efficiency of Independent Component Analysis in conjunction with neural network classifiers to detect microcalcification clusters in digitized mammograms, the most important non invasive sign of breast cancer. The widespread Digital Database for Screening Mammography was used as the source for digitized mammograms. The results seem to suggest that this technique is suitable to deal with the noisy mammogram environment. [ABSTRACT FROM AUTHOR]

Published
2007
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37. ICA and GA Feature Extraction and Selection for Cloud Classification.

Author

Singh, Sameer, Singh, Maneesha, Apte, Chid, Perner, Petra, Macías-Macías, Miguel, García-Orellana, Carlos J., González-Velasco, Horacio, and Gallardo-Caballero, Ramón

Abstract

In this work we tackle a particular case of image segmentation, the automatic detection of the amount and type of clouds over the Iberian Peninsula using satellite images. To segment the images we classify each pixel of the image into one of the classes defined using a neural network and a set of features representative of the pixel. We emphasized in the preprocessing stage, extracting and selecting a suitable set of features from the images to carry out an optimal classification. To carry out the feature extraction we use the independent component analysis (ICA) algorithm. The features extracted with this algorithm are very dependent on the dimension of the patches, so we extract several sets of features, one for each value of the dimension of the patch. All of these sets of features are joined together to form an initial characteristic vector of the pixels of the images. Finally, we reduce the dimensionality of this initial characteristic vector by means of Genetic Algorithms (GA), choosing the best subset of features that offer the best classification results. [ABSTRACT FROM AUTHOR]

Published
2005
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38. A compact and low cost electronic nose for aroma detection.

Author

Macías Macías M, Agudo JE, García Manso A, García Orellana CJ, González Velasco HM, and Gallardo Caballero R

Subjects
Algorithms, Costs and Cost Analysis, Gases analysis, Humidity, Neural Networks, Computer, Principal Component Analysis, Temperature, Wine analysis, Electronic Nose economics, Odorants analysis
Abstract

This article explains the development of a prototype of a portable and a very low-cost electronic nose based on an mbed microcontroller. Mbeds are a series of ARM microcontroller development boards designed for fast, flexible and rapid prototyping. The electronic nose is comprised of an mbed, an LCD display, two small pumps, two electro-valves and a sensor chamber with four TGS Figaro gas sensors. The performance of the electronic nose has been tested by measuring the ethanol content of wine synthetic matrices and special attention has been paid to the reproducibility and repeatability of the measurements taken on different days. Results show that the electronic nose with a neural network classifier is able to discriminate wine samples with 10, 12 and 14% V/V alcohol content with a classification error of less than 1%.

Published
2013
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39. SVM and neural networks comparison in mammographic CAD.

Author

García-Orellana CJ, Gallardo-Caballero R, Macías-Macias M, and González-Velasco H

Subjects
Algorithms, Female, Humans, Radiographic Image Enhancement methods, Reproducibility of Results, Sensitivity and Specificity, Breast Diseases diagnostic imaging, Calcinosis diagnostic imaging, Expert Systems, Mammography methods, Neural Networks, Computer, Pattern Recognition, Automated methods, Radiographic Image Interpretation, Computer-Assisted methods
Abstract

The purpose of this work is to compare the performance of Support Vector Machines (SVM) and Multi-Layer Perceptron (MLP) in the task of detection and diagnosis of microcalcification clusters in mammograms (MCCs). As data source, the "Digital Database for Screening Mammography" (DDSM) was used. The results show a similar performance for SVM and MLP, in both tasks, detection and diagnosis (slightly better for MLP in detection).

Published
2007
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