BIOSTEC BIOSIGNALS 2012: Vilamoura, Algarve, Portugal
Sabine Van Huffel, Carlos Manuel B. A. Correia, Ana L. N. Fred, Hugo Gamboa (Eds.): BIOSIGNALS 2012 - Proceedings of the International Conference on Bio-inspired Systems and Signal Processing, Vilamoura, Algarve, Portugal, 1-4 February, 2012. SciTePress 2012 ISBN 978-989-8425-89-8
Full Papers
Anita Sant'Anna, Nicholas Wickström, H. Eklund, R. Tranberg: A Wearable Gait Analysis System using Inertial Sensors Part II - Evaluation in a Clinical Setting. 5-14
Adrián Martín, Juan Francisco Garamendi, Emanuele Schiavi: An Efficient Numerical Resolution for MRI Rician Denoising. 15-24
Yuqian Li, Diana Maria Sima, Sofie Van Cauter, Uwe Himmelreich, Yiming Pi, Sabine Van Huffel: Tissue Type Differentiation for Brain Glioma using Non-negative Matrix Factorization. 25-31
Amirhossein Tavanaei, Alireza Ghasemi, Mohammad Tavanaei, Hossein Sameti, Mohammad Taghi Manzuri: Support Vector Data Description for Spoken Digit Recognition. 32-37
Iker Mesa, Angel Rubio, Javier Diaz, Jon Legarda, Beatriz Sedano: Reducing the Number of Channels and Signal-features for an Accurate Classification in an EMG Pattern Recognition Task. 38-48
André Lourenço, Hugo Silva, Paulo Leite, Renato Lourenço, Ana L. N. Fred: Real Time Electrocardiogram Segmentation for Finger based ECG Biometrics. 49-54
Gundars Korats, Steven Le Cam, Radu Ranta: Impact of Window Length and Decorrelation Step on ICA Algorithms for EEG Blind Source Separation. 55-60
Blanca Florentino-Liaño, Niamh O'Mahony, Antonio Artés-Rodríguez: Hierarchical Dynamic Model for Human Daily Activity Recognition. 61-68
Carlos D. Maciel, David M. Simpson, Philip L. Newland: Inference about Multiple Pathways in Motor Control Limb in Locust. 69-75
K. J. Weegink, J. J. Varghese, P. A. Bellette, T. Coyne, P. A. Silburn, P. A. Meehan: An Efficient Stochastic based Model for Simulating Microelectrode Recordings of the Deep Brain - Modelling and Analysis. 76-84
Kristien Van Loon, Geert Meyfroidt, Tim Tambuyzer, Greta Van den Berghe, Daniel Berckmans, Jean-Marie Aerts: Dynamic Autoregressive Modelling of Critical Care Patients as a Basis for Health Monitoring. 85-90
João Freitas, António J. S. Teixeira, Miguel Sales Dias: Towards a Silent Speech Interface for Portuguese - Surface Electromyography and the Nasality Challenge. 91-100
Michael Wand, Matthias Janke, Tanja Schultz: Decision-tree based Analysis of Speaking Mode Discrepancies in EMG-based Speech Recognition. 101-109
José L. Ferreira, Pierre J. M. Cluitmans, Ronald M. Aarts: Gradient Artefact Correction in the EEG Signal Recorded within the fMRI Scanner. 110-117
Shohei Kato, Hidetoshi Endo, Yuta Suzuki: Bayesian-based Early Detection of Cognitive Impairment in Elderly using fNIRS Signals during Cognitive Tests. 118-124
K. Badstübner, T. Kröger, E. Mix, U. Gimsa, R. Benecke, J. Gimsa: Characterization of the Encapsulation Process of Deep Brain Stimulation Electrodes using Impedance Spectroscopy in a Rodent Model. 125-130
Lijiang Chen, Xia Mao, Yu-Li Xue, Mitsuru Ishizuka: Speech Emotional Features Measured by Power-law Distribution based on Electroglottography. 131-136
Short Papers
Jakob Juul Larsen, Lars G. Johansen, Henrik Karstoft: Electrocardiogram Derived Respiration using an Evolutionary Algorithm. 147-152
Hannelore Eykens, Devy Widjaja, Katrien Vanderperren, Joachim Taelman, Marijke A. K. A. Braeken, Renée A. Otte, Bea Van den Bergh, Sabine Van Huffel: Phase-rectified Signal Averaging for the Quantification of the Influence of Prenatal Anxiety on Heart Rate Variability of Babies. 163-168
Ninah Koolen, Ivan Gligorijevic, Sabine Van Huffel: Reliability of Statistical Features Describing Neural Spike Trains in the Presence of Classification Errors. 169-173
Amirhossein Jafarian, Mohammad Hassan Moradi, Vahid Abootalebi, Mostafa Jafarian: Single Trail P300 Classification via Probabilistic Fuzzy Classifier and Genetic Algorithm. 174-179
Anita Sant'Anna, Nicholas Wickström, R. Zügner, R. Tranberg: A Wearable Gait Analysis System using Inertial Sensors Part I - Evaluation of Measures of Gait Symmetry and Normality against 3D Kinematic Data. 180-188
Osamu Nitta, Yasunari Fujimoto, John Surya, Yoshiyuki Takahashi: Development of a Sit-to-stand Assistance System for Parkinson's Disease Sufferers - (Intellectual Handrail). 189-192
Marc Ebner: Why Color Constancy Improves for Moving Objects. 193-198
Julien Stamatakis, Adriana Gonzalez, Benoit Caby, Stephanie Lefebvre, Yves Vandermeeren, Benoît Macq: Kinematic Features of Reach and Grasp Movements in Stroke Rehabilitation using Accelerometers. 199-205
Constantino A. García, Abraham Otero, Xosé A. Vila, María J. Lado: An Open Source Tool for Heart Rate Variability Wavelet-based Spectral Analysis. 206-211
Yuqian Li, Diana Maria Sima, Sofie Van Cauter, Uwe Himmelreich, Yiming Pi, Sabine Van Huffel: Simulation Study of Tissue Type Differentiation using Non-negative Matrix Factorization. 212-217
Solomon Zannos, Fotios Giannopoulos, Dimitris Arabadjis, Panayiotis Rousopoulos, Panos Papageorgiou, Elias Koukoutsis, Constantin Papaodysseus, Charalabos C. Papageorgiou: Classifying Event Related Potentials for Valid and Paradox Reasoning. 218-225
Katja Orlowski, Harald Loose, Karen Otte, Sebastian Mansow-Model, Angelina Thiers: Kinect and Shimmer Sensors in Motion Analysis in Health Applications. 226-231
Sérgio Okida, Pedro Giassi Junior, João Fernando Refosco Baggio, Raimes Moraes, Maurício Gonçalves de Oliveira, Gastão Fernandes Duval Neto: Noninvasive Cardiovascular System Identification using Pulse Wave Transit Time. 232-237
Fernando Perdigão, Cláudio Neves, Luís Sá: Pathological Voice Detection using Turbulent Speech Segments. 238-243
J. A. L. Marques, P. C. Cortez, J. P. V. Madeiro, Fernando S. Schlindwein: Non-linear Analysis of Fetal Heart Rate in Cardiotocography using Sample Entropy. 244-248
Vairis Caune, Juris Zagars, Radu Ranta: EEG/SEEG Signal Modelling using Frequency and Fractal Analysis. 249-253
Peter Mondrup Rasmussen, Tanya Schmah, Kristoffer Hougaard Madsen, Torben Ellegaard Lund, Grigori Yourganov, Stephen C. Strother, Lars Kai Hansen: Visualization of Nonlinear Classification Models in Neuroimaging - Signed Sensitivity Maps. 254-263
A. S. Altaan, O. Abdallah, Mohammad T. Othman, Nasser Musaab, Armin Bolz: Noninvasive Measurement of Blood Acid-base (pH) using Concentrations of Exhaled Gases. 264-269
Christopher R. O'Donnell, William B. Dunbar: Least-squares Estimation of Nanopore Channel Conductance in Voltage-varying Experiments. 270-275
Alberto A. M. Albuquerque, Arthur P. S. Braga, Bismark C. Torrico, Otacílio M. Almeida: Artificial Neural Networks in the Estimation of Measures of Temperature and Humidity inside a Neonatal Incubator. 276-281
Nicolò Malagutti, Arvin Dehghani, Rodney A. Kennedy: Improved Robust Performance in a System for Automatic Administration of a Vasoactive Drug. 282-290
O. Abdallah, Q. Qananwah, Armin Bolz, J. Hansmann, H. Walles, T. Hirth: Optical Spectroscopy and Obstacles by Non-invasive Detection of Glucose Concentration by Home Monitoring. 291-296
Carla M. Borges, Claudia Silva, Antonio J. Salazar, Ana S. Silva, Miguel V. Correia, Rubim S. Santos, João P. Vilas-Boas: Compensatory Movement Detection through Inertial Sensor Positioning for Post-stroke Rehabilitation. 297-302
Thierry Castermans, Matthieu Duvinage, Guy Cheron, Thierry Dutoit: EEG and Human Locomotion - Descending Commands and Sensory Feedback should be Disentangled from Artifacts Thanks to New Experimental Protocols Position Paper. 309-314
Posters
Siti Anom Ahmad, Mohd Asyraf Khalid, Asnor J. Ishak, Sawal H. M. Ali: Surface EMG Classification for Prosthesis Control - Fuzzy Logic vs. Artificial Neural Network. 317-320
Sandra Morales, Valery Naranjo, Jesús Angulo, Juan José Fuertes, Mariano Alcañiz Raya: Segmentation and Analysis of Retinal Vascular Tree from Fundus Images Processing. 321-324
Antje Bock, Andrea A. Kühn, Lutz Trahms, Tilmann Heinrich Sander: Cardiac Cycle Artefact Removal in Magnetoencephalographic Data of Patients with Deep Brain Electrodes - Implementation of Simultaneous Magnetoencephalographic and Local Field Potential Recordings. 325-328
Susana Brás, Nuno Ferreira, João Paulo da Silva Cunha: ECG Artefact Detection Algorithm - An Algorithm to Improve Long-term ECG Analysis. 329-333
Xosé A. Vila, Arturo J. Méndez, Abraham Otero, Leandro Rodríguez Liñares, María J. Lado: Heart Rate Variability in Siesta Polysomnograms - A Preliminary Study. 334-337
S. Orozco-Ochoa, X. A. Vila-Sobrino, Iván Gómez-Conde, María J. Lado: An Indoor Localization Algorithm based in Weibull Distribution and Bayesian Classifier. 338-341
Kris Cuppens, Bert Bonroy, Anouk Van de Vel, Berten Ceulemans, Lieven Lagae, Tinne Tuytelaars, Sabine Van Huffel, Bart Vanrumste: Automatic Video Detection of Nocturnal Epileptic Movement based on Motion Tracks. 342-345
Ali Moukadem, Alain Dieterlen, Christian Brandt: Study of Two Feature Extraction Methods to Distinguish between the First and the Second Heart Sounds. 346-350
Maria Claudia Ferrari de Castro: Linear Discriminant Analysis versus Artificial Neural Network as Classifiers for Elbow Angular Position Recognition Purposes. 351-355
Marcy A. Dias, Fernando C. Monteiro: Optic Disc Detection in Retinal Images by Pattern Distance Minimization. 356-359
Ariadna Vázquez-Sedano, Santiago T. Pérez-Suárez, Carlos Manuel Travieso-González, Jesús Bernardino Alonso Hernández: Cardiac Pathologies Detection over FPGA using Electrocardiogram. 360-364
Hao-Chiang Shao, Wei-Yun Cheng, Yung-Chang Chen, Wen-Liang Hwang: Flybow Image Segmentation - For Tracing Neuron Circuits in Drosophila Brain. 365-369
Alejandro Antonio Torres García, Carlos A. Reyes García, Luis Villaseñor Pineda: Toward a Silent Speech Interface based on Unspoken Speech. 370-373
Hamid Bagherzadeh Rafsanjani, Mozafar Iqbal, Morteza Zabihi, Hideaki Touyama: Biometry based on EEG Signals using Neural Network and Support Vector Machine. 374-380
Juan José Fuertes, Valery Naranjo, Jesús Angulo, Mariano Alcañiz Raya: 1-D Mathematical Morphology for Water Removal in 1H MR Spectroscopy Tool. 381-384
Rui Santos, Joana Sousa, Borja Sañudo, Carlos J. Marques, Hugo Gamboa: Biosignals Events Detection - A Morphological Signal-independent Approach. 385-388
João Santinha, Rui Santos, Joana Sousa, Hugo Gamboa: PLUX Real-time Sports Evaluation - A New Real-time Tool for Sports Evaluation. 389-392
Oliver P. Dewhirst, Natalia Angarita-Jaimes, David M. Simpson, Robert Allen, Carlos D. Maciel, Philip L. Newland: Neural Adaptation in Local Reflex Control of Limb Movements. 398-401
Ricardo Gomes, Neuza Nunes, Joana Sousa, Hugo Gamboa: Long Term Biosignals Visualization and Processing. 402-405
Wojciech Oleksy, Ewaryst Tkacz: Finding New EASI ECG Coefficients - Improving EASI ECG Model using Various Regression Techniques. 406-409
Marco A. F. Pimentel, David A. Clifton, Lei A. Clifton, Peter Watkinson, Lionel Tarassenko: Vital-sign Data Fusion Models for Post-operative Patients. 410-413
Bruno Barufaldi, Sarah Soares de Oliveira, Leonardo Vidal Batista, Homero Schiabel, Manuella Santos Carneiro Almeida: A Computer Aided Detection System for Microcalcifications in Breast Phantom Images. 414-418
Carlos J. Marques, Rui Santos, Hugo Gamboa, Frank Lampe, João Barreiros, Jan Cabri: Brake Response Time before and after Total Knee Arthroplasty - Tracking Possible Effects of the Surgery Technique on Motor Performance: Report of Two Cases. 419-422
Teresa Sousa, Dulce Oliveira, Sirvan Khalighi, Gabriel Pires, Urbano Nunes: Neurophysiologic and Statistical Analysis of Failures in Automatic Sleep Stage Classification. 423-428
M. Cabeleira, S. Ferreira, L. F. Silva, Carlos Manuel B. A. Correia, J. Cardoso: Face and Eye Tracking for Parameterization of Cochlear Implants. 429-433
Leonardo G. S. Zanin, Fabio Kurt Schneider, Marcelo Victor Wüst Zibetti: Regularized Reconstruction of Ultrasonic Imaging and the Regularization Parameter Choice. 438-442
Nikolay V. Manyakov, Nikolay Chumerin, Adrien Combaz, Arne Robben, Marijn van Vliet, Marc M. Van Hulle: Decoding SSVEP Responses based on Parafac Decomposition. 443-447
Algimantas Krisciukaitis, Renata Simoliuniene, Andrius Macas, Robertas Petrolis, Eimante Kamile Puodziunaite, Zita Bertasiene, Viktoras Saferis: Relationship between Quantitative T-wave Alternans Estimates and Parameters Describing Clinical Status of Patient in Accute Phase of Myocardial Infarction and Outcome Results. 448-452
Eun-Hye Jang, Byoung-Jun Park, Sang-Hyeob Kim, Jin-Hun Sohn: Emotion Classification based on Physiological Responses Induced by Negative Emotions - Discrimination of Negative Emotions by Machine Learning Algorithms. 453-457
Krzysztof Pancerz, Wieslaw Paja, Jaroslaw Szkola, Jan Warchol, Grazyna Olchowik: A Rule-based Classification of Laryngopathies based on Spectrum Disturbance Analysis - An Exemplary Study. 458-461
Boleslaw Jaskula, Jaroslaw Szkola, Krzysztof Pancerz: Complex Network Properties of Eye-tracking in the Face Recognition Process - An Initial Study. 462-465
Aleksandar Jeremic, Natasa Radosavljevic, Dejan Nikolic, Milica Lazovic: Analysis of Berg Balance Scale in Hip Fracture Patients using Fuzzy Clustering. 466-469
Special session on Multivariable Processing for Biometric Systems
Full Papers
David Crespo, Carlos M. Travieso, Jesús B. Alonso: Thermal Face Verification based on Scale-invariant Feature Transform and Vocabulary Tree - Application to Biometric Verification Systems. 475-481
Juan José Fuertes, Carlos Manuel Travieso-González, Jesús B. Alonso: Wavelet Performance in Biometric Identification System According to Users Increase. 482-487
Nefissa Khiari Hili, Sylvie Lelandais, Christophe Montagne, Kamel Hamrouni: Boosting Steerable Features for 2D Face Recognition on IV² Database. 488-493
R. Wood, J. I. Olszewska: Lighting-variable AdaBoost Based-on System for Robust Face Detection. 494-497
Short Papers
Nora Barroso, Karmele López de Ipiña, Aitzol Ezeiza: Acoustic Modelling for Speech Processing in Complex Environments. 507-516
Special session on Medical Image Analysis and Description for Diagnosis Systems
Full Papers
Ammar Mechouche, Azeddine Zidouni, Mohamed Quafafou, Omar Boucelma: Automatic Fine-grained Labeling of Brain MR Images - A CRF Approach. 521-526
Chen-Ping Yu, Guilherme C. S. Ruppert, Dan T. D. Nguyen, Alexandre X. Falcão, Yanxi Liu: Statistical Asymmetry-based Brain Tumor Segmentation from 3D MR Images. 527-533
M. Guadalupe Sánchez, Vicente Vidal, Jordi Bataller: Comparative Analysis on Metrics and Filters to Reduce Impulsive Noise in Medical Images using GPU . 534-539
Short Papers
Elizabeth Chavez-Hernandez, M. Elena Martínez-Pérez: Automatic Detection of Hard Exudates and Optic Disc in Digital Fundus Images. 543-547
M. J. Tsai, C. L. Chen, H. W. Lee, C. H. Chao, P. W. Hsu: Mandible Parameterization using a Reference Line. 548-553
J. Jiménez, A. M. López, Francisco José Esteban, Pablo Villoslada, Juan Navas, Juan Ruiz de Miras: A Software Platform to Analyze MR Images based on 3D Fractal Dimension - Application in Neurodegenerative Diseases. 554-559
Posters
Eros Montin, Paolo Potepan, Luca T. Mainardi: A Registration Framework for Evaluation of T1, T2 and DWI Signal Intensities in Multiple Myeloma. 563-566



