Search Results - "Carvalho, João B."

Laplacian energy of diameter 3 trees by Trevisan, Vilmar, Carvalho, João B., Del Vecchio, Renata R., Vinagre, Cybele T.M.

“…Let T n be the set of all trees of diameter 3 and n vertices. We show that the Laplacian energy of any tree in T n is strictly between the Laplacian energy of…”
Get full text

Robustness of the quadratic partial eigenvalue assignment using spectrum sensitivities for state and derivative feedback designs by Araújo, José M, Dórea, Carlos ET, Gonçalves, Luiz MG, Carvalho, João BP, Datta, Biswa N

“…Based on the notions of spectrum sensitivities, proposed by us earlier, we develop a novel optimization approach to deal with robustness in the closed-loop…”
Get full text

Comparative study of fecal bacterial decay models for the simulation of plumes of submarine sewage outfalls by FEITOSA, Renato C, ROSMAN, Paulo C. C, CARVALHO, João L. B, CORTES, Myriam B. V, WASSERMAN, Julio C

“…In the literature, analytical models have been shown to be extremely useful for estimating the decay rates of coliform as fecal indicator microorganisms,…”
Get full text

A new algorithm for generalized Sylvester-observer equation and its application to state and velocity estimations in vibrating systems by Carvalho, João B., Datta, Biswa N.

“…We propose a new algorithm for block‐wise solution of the generalized Sylvester‐observer equation XA−FXE = GC, where the matrices A, E, and C are given, the…”
Get full text

Use of performance information by local politicians: a field study in the Portuguese context by Gomes, Patrícia, Fernandes, Maria José, Carvalho, João B.

“…Abstract This paper presents a qualitative study that aims to investigate whether and how local politicians use perform ance info rmation to evaluate top…”
Get full text

Effect of temperature on the fatigue behavior of asphalt binder by Kuchiishi, André K., Carvalho, João Paulo B., Bessa, Iuri S., Vasconcelos, Kamilla L., Bernucci, Liedi L.B.

“…Asphalt pavement is under different climatic conditions throughout its service life, which means that fatigue cracking does not occur at a specific…”
Get full text

Prediction of failure probability of oil wells by Carvalho, João B., Valença, Dione M., Singer, Julio M.

“…We consider parametric accelerated failure time models with random effects to predict the probability of possibly correlated failures occurring in oil wells…”
Get full text

Ovarian morphology and follicular dynamics associated with ovarian aging in Bos indicus beef cows by Alvarez, Rafael H., Duarte, Keila M.R., Carvalho, João B.P., Rocha, Cecília C., Junior, Gilmar A.A., Trevisol, Eduardo, Melo, Alfredo J.F., Pugliesi, Guilherme

“…This study characterizes the ovarian volume, antral follicle count (AFC), and ovarian dynamics of cows at different ages. Nellore cows (Bos taurus indicus)…”
Get full text

Domain Generalization for Diagnosis of Pulmonary Fibrosis Using Dose-Invariant Feature Selection by Carvalho, Joao B. S., Cotrini, Carlos, Laumer, Fabian, Euler, Andre, Martini, Katharina, Frauenfelder, Thomas, Buhmann, Joachim M.

“…Automated methods for diagnosing pulmonary fibrosis based on deep learning have achieved promising results in recent times. However, their accuracy depends on…”
Get full text

Automatic Detection and Segmentation of Lung Lesions using Deep Residual CNNs by Carvalho, Joao B. S., Moreira, Jose-Maria, Figueiredo, Mario A. T., Papanikolaou, Nickolas

“…Early detection of lung cancer has shown to significantly improve patient survival. Apart from lesion detection, tumour segmentation is critical for developing…”
Get full text

Symmetry preserving eigenvalue embedding in finite-element model updating of vibrating structures by Carvalho, Joao B., Datta, Biswa N., Lin, Wen-Wei, Wang, Chern-Shuh

“…The eigenvalue embedding problem addressed in this paper is the one of reassigning a few troublesome eigenvalues of a symmetric finite-element model to some…”
Get full text

Field Observations of Ipanema Beach Outfall by Carvalho, João L. B, Roberts, Philip J. W, Roldão, João

“…Field observations of the Ipanema Beach, Rio de Janeiro, Brazil, ocean sewage outfall were obtained by adding dye tracers to the effluent and simultaneously…”
Get full text

The composite character of the twenty-second Fermat number by Trevisan, Vilmar, Carvalho, Jo o B.

“…A machine computation has been carried out to show that the twenty-second Fermat number F sub(22) identical with 2 super(2(22)) + 1 is composite…”
Get full text

Use of performance information by local politicians: a field study in the Portuguese context by Gomes, Patrícia, Fernandes, Maria José, Carvalho, João B

“…This article presents a qualitative study that aims to investigate whether and how local politicians use perfor­mance information to evaluate top managers’…”
Get full text

Measuring Orthogonality in Representations of Generative Models by Geyer, Robin C, Torcinovich, Alessandro, Carvalho, João B, Meyer, Alexander, Buhmann, Joachim M

“…In unsupervised representation learning, models aim to distill essential features from high-dimensional data into lower-dimensional learned representations,…”
Get full text

Invariant Anomaly Detection under Distribution Shifts: A Causal Perspective by Carvalho, João B. S, Zhang, Mengtao, Geyer, Robin, Cotrini, Carlos, Buhmann, Joachim M

“…Anomaly detection (AD) is the machine learning task of identifying highly discrepant abnormal samples by solely relying on the consistency of the normal…”
Get full text

A new block algorithm for generalized Sylvester-observer equation and application to state estimation of vibrating systems by Carvalho, J.B., Datta, B.N.

“…We propose a new block algorithm for the generalized Sylvester-observer equation : XA - FXE = GC, where the matrices A, E, and C are given, the matrices X, F,…”
Get full text

Improving Explainability of Disentangled Representations using Multipath-Attribution Mappings by Klein, Lukas, Carvalho, João B. S, El-Assady, Mennatallah, Penna, Paolo, Buhmann, Joachim M, Jaeger, Paul F

“…Proceedings of The 5th International Conference on Medical Imaging with Deep Learning, PMLR 172:689-712, 2022 Explainable AI aims to render model behavior…”
Get full text

Spatially Dependent U-Nets: Highly Accurate Architectures for Medical Imaging Segmentation by Carvalho, João B. S, Santinha, João A, Miladinović, Đorđe, Buhmann, Joachim M

“…In clinical practice, regions of interest in medical imaging often need to be identified through a process of precise image segmentation. The quality of this…”
Get full text

Use of performance information by local politicians: a field study in the Portuguese context/O uso da informacao de desempenho pelos politicos locais: um estudo de caso no contexto portugues/El uso de la informacion de desempeno por los politicos locales: un estudio de caso en el contexto portugues by Gomes, Patricia, Fernandes, Maria Jose, Carvalho, Joao B

“…This paper presents a qualitative study that aims to investigate whether and how local politicians use performance information to evaluate top managers'…”
Get full text