Search Results - "Dias, José"

Semisupervised Hyperspectral Image Segmentation Using Multinomial Logistic Regression With Active Learning by Jun Li, Bioucas-Dias, José M, Plaza, Antonio

“…This paper presents a new semisupervised segmentation algorithm, suited to high-dimensional data, of which remotely sensed hyperspectral image data sets are an…”
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COVID-19 pandemics modeling with modified determinist SEIR, social distancing, and age stratification. The effect of vertical confinement and release in Brazil by Lyra, Wladimir, do Nascimento, Jr, José-Dias, Belkhiria, Jaber, de Almeida, Leandro, Chrispim, Pedro Paulo M, de Andrade, Ion

“…The ongoing COVID-19 epidemics poses a particular challenge to low and middle income countries, making some of them consider the strategy of "vertical…”
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Hyperspectral Image Segmentation Using a New Bayesian Approach With Active Learning by Jun Li, Bioucas-Dias, José M., Plaza, Antonio

“…This paper introduces a new supervised Bayesian approach to hyperspectral image segmentation with active learning, which consists of two main steps. First, we…”
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Recent Advances in Poly(vinylidene fluoride) and Its Copolymers for Lithium-Ion Battery Separators by Barbosa, João C, Dias, José P, Lanceros-Méndez, Senentxu, Costa, Carlos M

“…The separator membrane is an essential component of lithium-ion batteries, separating the anode and cathode, and controlling the number and mobility of the…”
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Pressure Sensors: Working Principles of Static and Dynamic Calibration by Pereira, José Dias

“…This paper starts with an overview of the main principles used for pressure measurements, focusing on their usage in industrial applications' domains. Then,…”
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Multiplicative Noise Removal Using Variable Splitting and Constrained Optimization by Bioucas-Dias, José M, Figueiredo, Mário A T

“…Multiplicative noise (also known as speckle noise) models are central to the study of coherent imaging systems, such as synthetic aperture radar and sonar, and…”
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Total Variation Spatial Regularization for Sparse Hyperspectral Unmixing by Iordache, M.-D, Bioucas-Dias, J. M., Plaza, A.

“…Spectral unmixing aims at estimating the fractional abundances of pure spectral signatures (also called endmembers) in each mixed pixel collected by a remote…”
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Spectral-Spatial Hyperspectral Image Segmentation Using Subspace Multinomial Logistic Regression and Markov Random Fields by Jun Li, Bioucas-Dias, J. M., Plaza, A.

“…This paper introduces a new supervised segmentation algorithm for remotely sensed hyperspectral image data which integrates the spectral and spatial…”
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Clustering financial time series: New insights from an extended hidden Markov model by Dias, José G., Vermunt, Jeroen K., Ramos, Sofia

“…•A model-based clustering technique is used in mining financial time series data.•The model allows unobserved heterogeneity between and within time series.•In…”
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Hyperspectral Unmixing Overview: Geometrical, Statistical, and Sparse Regression-Based Approaches by Bioucas-Dias, José M., Plaza, Antonio, Dobigeon, Nicolas, Parente, Mario, Du, Qian, Gader, Paul, Chanussot, Jocelyn

“…Imaging spectrometers measure electromagnetic energy scattered in their instantaneous field view in hundreds or thousands of spectral channels with higher…”
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Stellar Cycles in Fully Convective Stars and a New Interpretation of Dynamo Evolution by Irving, Zackery A., Saar, Steven H., Wargelin, Bradford J., do Nascimento, José-Dias

“…An α Ω dynamo, combining shear and cyclonic convection in the tachocline, is believed to generate the solar cycle. However, this model cannot explain cycles in…”
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Tgfβ signaling regulates temporal neurogenesis and potency of neural stem cells in the CNS by Dias, José M, Alekseenko, Zhanna, Applequist, Joanna M, Ericson, Johan

“…How the sequential specification of neurons and progressive loss of potency associated with aging neural progenitors are regulated in vertebrate brain…”
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Mechanistic Differences in the Transcriptional Interpretation of Local and Long-Range Shh Morphogen Signaling by Oosterveen, Tony, Kurdija, Sanja, Alekseenko, Zhanna, Uhde, Christopher W., Bergsland, Maria, Sandberg, Magnus, Andersson, Elisabet, Dias, José M., Muhr, Jonas, Ericson, Johan

“…Morphogens orchestrate tissue patterning in a concentration-dependent fashion during vertebrate embryogenesis, yet little is known of how positional…”
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Quantifying political influence on COVID-19 fatality in Brazil by de Almeida, Leandro, Carelli, Pedro V, Cavalcanti, Nara Gualberto, do Nascimento, José-Dias, Felinto, Daniel

“…The COVID-19 pandemic was severely aggravated in Brazil due to its politicization by the country’s federal government. However, the impact of diffuse political…”
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Confidence intervals for means and variances of nonnormal distributions by Curto, José Dias

“…In this article, we propose new confidence intervals for the population mean and variance, the ratio of two populations variance, and the difference in the…”
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Genomic data reveal international lineages of critical priority Escherichia coli harbouring wide resistome in Andean condors (Vultur gryphus Linnaeus, 1758) by Fuentes‐Castillo, Danny, Esposito, Fernanda, Cardoso, Brenda, Dalazen, Gislaine, Moura, Quézia, Fuga, Bruna, Fontana, Herrison, Cerdeira, Louise, Dropa, Milena, Rottmann, Jürgen, González‐Acuña, Daniel, Catão‐Dias, José L., Lincopan, Nilton

“…Critical priority pathogens have globally disseminated beyond clinical settings, thereby threatening wildlife. Andean Condors (Vultur gryphus) are essential…”
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18 Sco: A SOLAR TWIN RICH IN REFRACTORY AND NEUTRON-CAPTURE ELEMENTS. IMPLICATIONS FOR CHEMICAL TAGGING by Melendez, Jorge, Ramirez, Ivan, Karakas, Amanda I, Yong, David, MONROE, TALAWANDA R, Bedell, Megan, Bergemann, Maria, Asplund, Martin, MAIA, MARCELO TUCCI

“…We study with unprecedented detail the chemical composition and stellar parameters of the solar twin 18 Sco in a strictly differential sense relative to the…”
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To keep faith with homoskedasticity or to go back to heteroskedasticity? The case of FATANG stocks by Curto, José Dias

“…Did the pattern of US stock market volatility change due to COVID-19 or have the US stock markets been less volatile despite the pandemic shock? And as for…”
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SDG7 and renewable energy consumption: The influence of energy sources by Estevão, João, Lopes, José Dias

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Inference about the arithmetic average of log transformed data by Curto, José Dias

“…A common practice in statistics is to take the log transformation of highly skewed data and construct confidence intervals for the population average on the…”
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