Javier Ramírez
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Efficient voice activity detection algorithms using long-term speech information
J Ramırez, JC Segura, C Benıtez, A De La Torre, A Rubio
Speech communication 42 (3-4), 271-287, 2004
5062004
Voice activity detection. fundamentals and speech recognition system robustness
J Ramirez, JM Górriz, JC Segura
Robust speech recognition and understanding 6 (9), 1-22, 2007
3102007
Statistical voice activity detection using a multiple observation likelihood ratio test
J Ramírez, JC Segura, C Benítez, L García, A Rubio
IEEE Signal Processing Letters 12 (10), 689-692, 2005
2272005
Computer-aided diagnosis of Alzheimer’s type dementia combining support vector machines and discriminant set of features
J Ramírez, JM Górriz, D Salas-Gonzalez, A Romero, M López, I Álvarez, ...
Information Sciences 237, 59-72, 2013
1912013
Early diagnosis of Alzheimer׳ s disease based on partial least squares, principal component analysis and support vector machine using segmented MRI images
L Khedher, J Ramírez, JM Górriz, A Brahim, F Segovia, ...
Neurocomputing 151, 139-150, 2015
1782015
18F-FDG PET imaging analysis for computer aided Alzheimer’s diagnosis
IA Illán, JM Górriz, J Ramírez, D Salas-Gonzalez, MM López, F Segovia, ...
Information Sciences 181 (4), 903-916, 2011
1722011
Ensembles of deep learning architectures for the early diagnosis of the Alzheimer’s disease
A Ortiz, J Munilla, JM Gorriz, J Ramirez
International journal of neural systems 26 (07), 1650025, 2016
1712016
NMF-SVM based CAD tool applied to functional brain images for the diagnosis of Alzheimer's disease
P Padilla, M López, JM Górriz, J Ramirez, D Salas-Gonzalez, I Alvarez
IEEE Transactions on medical imaging 31 (2), 207-216, 2011
1602011
Principal component analysis-based techniques and supervised classification schemes for the early detection of Alzheimer's disease
M López, J Ramírez, JM Górriz, I Álvarez, D Salas-Gonzalez, F Segovia, ...
Neurocomputing 74 (8), 1260-1271, 2011
1552011
SVM-based computer-aided diagnosis of the Alzheimer's disease using t-test NMSE feature selection with feature correlation weighting
R Chaves, J Ramírez, JM Górriz, M López, D Salas-Gonzalez, I Alvarez, ...
Neuroscience letters 461 (3), 293-297, 2009
1322009
A novel LMS algorithm applied to adaptive noise cancellation
JM Gorriz, J Ramírez, S Cruces-Alvarez, CG Puntonet, EW Lang, ...
IEEE Signal Processing Letters 16 (1), 34-37, 2008
1172008
SVM-based speech endpoint detection using contextual speech features
J Ramírez, P Yélamos, JM Górriz, JC Segura
Electronics letters 42 (7), 426-428, 2006
1152006
An effective subband OSF-based VAD with noise reduction for robust speech recognition
J Ramírez, JC Segura, C Benítez, A De la Torre, A Rubio
IEEE Transactions on Speech and Audio Processing 13 (6), 1119-1129, 2005
1122005
Computer aided diagnosis system for the Alzheimer's disease based on partial least squares and random forest SPECT image classification
J Ramírez, JM Górriz, F Segovia, R Chaves, D Salas-Gonzalez, M López, ...
Neuroscience letters 472 (2), 99-103, 2010
1072010
SVM-based CAD system for early detection of the Alzheimer's disease using kernel PCA and LDA
MM López, J Ramírez, JM Górriz, I Álvarez, D Salas-Gonzalez, F Segovia, ...
Neuroscience Letters 464 (3), 233-238, 2009
1062009
Alzheimer's diagnosis using eigenbrains and support vector machines
I Alvarez, JM Górriz, J Ramírez, D Salas-Gonzalez, M López, CG Puntonet, ...
Electronics Letters 45 (7), 342-343, 2009
1052009
Automatic tool for Alzheimer's disease diagnosis using PCA and Bayesian classification rules
M López, J Ramírez, JM Górriz, D Salas-Gonzalez, I Alvarez, F Segovia, ...
Electronics letters 45 (8), 389-391, 2009
1042009
Two fully-unsupervised methods for MR brain image segmentation using SOM-based strategies
A Ortiz, JM Górriz, J Ramírez, D Salas-Gonzalez, JM Llamas-Elvira
Applied Soft Computing 13 (5), 2668-2682, 2013
972013
A new Kullback-Leibler VAD for speech recognition in noise
J Ramírez, JC Segura, C Benítez, A De La Torre, AJ Rubio
IEEE signal processing letters 11 (2), 266-269, 2004
972004
Continuous HMM-based seismic-event classification at Deception Island, Antarctica
MC Benítez, J Ramírez, JC Segura, JM Ibanez, J Almendros, ...
IEEE Transactions on Geoscience and remote sensing 45 (1), 138-146, 2006
952006
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Artikelen 1–20