Search Results - "Loza, Carlos A."
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1
Hippocampal place cell sequences differ during correct and error trials in a spatial memory task
Published in Nature communications (07-06-2021)“…Theta rhythms temporally coordinate sequences of hippocampal place cell ensembles during active behaviors, while sharp wave-ripples coordinate place cell…”
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2
RobOMP: Robust variants of Orthogonal Matching Pursuit for sparse representations
Published in PeerJ. Computer science (13-05-2019)“…Sparse coding aims to find a parsimonious representation of an example given an observation matrix or dictionary. In this regard, Orthogonal Matching Pursuit…”
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3
Discrimination of Movement-Related Cortical Potentials Exploiting Unsupervised Learned Representations From ECoGs
Published in Frontiers in neuroscience (22-11-2019)“…Brain-Computer Interfaces (BCI) aim to bypass the peripheral nervous system to link the brain to external devices via successful modeling of decoding…”
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4
A Marked Point Process Framework for Extracellular Electrical Potentials
Published in Frontiers in systems neuroscience (18-12-2017)“…Neuromodulations are an important component of extracellular electrical potentials (EEP), such as the Electroencephalogram (EEG), Electrocorticogram (ECoG) and…”
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5
Transient model of EEG using Gini Index-based matching pursuit
Published in 2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (01-03-2016)“…We introduce a novel, transient model for the electroencephalogram (EEG) as the noisy addition of linear filters responding to trains of delta functions. We…”
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Conference Proceeding Journal Article -
6
Robust Variants of Dictionary Learning Exploiting M-Estimators
Published in 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON) (01-11-2019)“…We propose a robust alternative the well known dictionary learning technique K-SVD. Specifically, we exploit the theory behind M-Estimators to incorporate…”
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Conference Proceeding -
7
The Embedding Transform. A Novel Analysis of Non-Stationarity in the EEG
Published in 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) (01-07-2018)“…We introduce a novel technique to analyze nonstationarity in single-channel Electroencephalogram (EEG) traces: the Embedding Transform. The approach is based…”
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8
Dinámica de inundaciones ambientales en humedales de la Cuenca baja del Rio Grijalva: enfoque espaciotemporal a través de imágenes Landsat
Published in Revista de teledetección (29-07-2024)“…La diversidad de metodologías existentes para definir y analizar la dinámica de las superficies de agua muestra la dificultad que genera investigar su…”
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9
Estimation and modeling of EEG amplitude-temporal characteristics using a marked point process approach
Published in 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) (01-08-2016)“…We propose a novel interpretation of single channel Electroencephalogram (EEG) traces based on the transient nature of encoded processes in the brain. In…”
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Conference Proceeding Journal Article -
10
A marked point process approach for identifying neural correlates of tics in Tourette Syndrome
Published in 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) (01-07-2017)“…We propose a novel interpretation of local field potentials (LFP) based on a marked point process (MPP) framework that models relevant neuromodulations as…”
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Conference Proceeding Journal Article -
11
Classification of hand movement direction based on EEG high-gamma activity
Published in 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (01-01-2014)“…The Electroencephalogram (EEG) is a non-invasive technique used in the medical field to record and analyze brain activity. In particular, Brain Machine…”
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12
La evaporación en la cuenca del lago de Pátzcuaro, México
Published in Tecnología y ciencias del agua (01-09-2010)“…La composición anual de la evaporación en la cuenca del lago de Pátzcuaro se integró por la evapotranspiración de la vegetación, las pérdidas por intercepción,…”
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13
Deep Neural Dynamic Bayesian Networks applied to EEG sleep spindles modeling
Published 16-10-2020“…We propose a generative model for single-channel EEG that incorporates the constraints experts actively enforce during visual scoring. The framework takes the…”
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14
Sparse Wave Packets Discriminate Motor Tasks in EEG-based BCIs
Published in 2019 9th International IEEE/EMBS Conference on Neural Engineering (NER) (01-03-2019)“…We propose a novel non-linear source separation technique for single-channel, multi-trial Electroencephalogram (EEG). First, a generative model is posited as…”
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Conference Proceeding -
15
Robust Estimation of Shift-Invariant Patterns Exploiting Correntropy
Published in 2018 IEEE Third Ecuador Technical Chapters Meeting (ETCM) (01-10-2018)“…We propose a novel framework for robust estimation of recurring patterns in time series. Particularly, we utilize correntropy and a shift-invariant adaptation…”
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Conference Proceeding -
16
A robust maximum correntropy criterion for dictionary learning
Published in 2016 IEEE 26th International Workshop on Machine Learning for Signal Processing (MLSP) (01-09-2016)“…We introduce a method that incorporates robustness to one of the main building blocks of sparse modeling: dictionary learning. Particularly, we exploit…”
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Conference Proceeding -
17
Unsupervised robust detection of behavioral correlates in ECoG
Published in 2017 8th International IEEE/EMBS Conference on Neural Engineering (NER) (01-05-2017)“…Electrocorticogram (ECoG) based Brain-Computer Interfaces (BCI) provide finer spatial resolution and improved signal-to-noise ratio than its noninvasive…”
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Conference Proceeding -
18
Generalized Correntropy Matching Pursuit: A novel, robust algorithm for sparse decomposition
Published in 2016 International Joint Conference on Neural Networks (IJCNN) (01-07-2016)“…We introduce a novel variation on the well-known Matching Pursuit (MP) algorithm. In particular, the sparse approximation problem is solved in a greedy scheme…”
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Conference Proceeding -
19
Hierarchical Linear Dynamical Systems: A new model for clustering of time series
Published in 2014 International Joint Conference on Neural Networks (IJCNN) (01-07-2014)“…The auditory cortex in the brain does effortlessly a better job of extracting information from the acoustic world than our current generation of signal…”
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Conference Proceeding