Search Results - "Robson Schwartz, William"

Deep Representations for Iris, Face, and Fingerprint Spoofing Detection by Menotti, David, Chiachia, Giovani, Pinto, Allan, Robson Schwartz, William, Pedrini, Helio, Xavier Falcao, Alexandre, Rocha, Anderson

“…Biometrics systems have significantly improved person identification and authentication, playing an important role in personal, national, and global security…”
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Face Spoofing Detection Through Visual Codebooks of Spectral Temporal Cubes by Pinto, Allan, Pedrini, Helio, Robson Schwartz, William, Rocha, Anderson

“…Despite important recent advances, the vulnerability of biometric systems to spoofing attacks is still an open problem. Spoof attacks occur when impostor users…”
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Dynamic Multicontext Segmentation of Remote Sensing Images Based on Convolutional Networks by Nogueira, Keiller, Dalla Mura, Mauro, Chanussot, Jocelyn, Schwartz, William Robson, dos Santos, Jefersson Alex

“…Semantic segmentation requires methods capable of learning high-level features while dealing with large volume of data. Toward such goal, convolutional…”
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Discriminative Layer Pruning for Convolutional Neural Networks by Jordao, Artur, Lie, Maiko, Schwartz, William Robson

“…The predictive ability of convolutional neural networks (CNNs) can be improved by increasing their depth. However, increasing depth also increases…”
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Human activity recognition based on smartphone and wearable sensors using multiscale DCNN ensemble by Sena, Jessica, Barreto, Jesimon, Caetano, Carlos, Cramer, Guilherme, Schwartz, William Robson

“…Sensor-based Human Activity Recognition (sensor-based HAR) has been used in many real-world applications providing valuable knowledge to many areas, such as…”
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ECG-based heartbeat classification for arrhythmia detection: A survey by Luz, Eduardo José da S, Schwartz, William Robson, Cámara-Chávez, Guillermo, Menotti, David

“…Highlights • Surveys the feature description methods, and the learning algorithms employed. • Also surveys the ECG signal preprocessing and the heartbeat…”
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Multi-scale gray level co-occurrence matrices for texture description by Roberti de Siqueira, Fernando, Robson Schwartz, William, Pedrini, Helio

“…Texture information plays an important role in image analysis. Although several descriptors have been proposed to extract and analyze texture, the development…”
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Real-Time Automatic License Plate Recognition through Deep Multi-Task Networks by Resende Goncalves, Gabriel, Alves Diniz, Matheus, Laroca, Rayson, Menotti, David, Robson Schwartz, William

“…With the increasing number of cameras available in the cities, video traffic analysis can provide useful insights for the transportation segment. One of such…”
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Using Visual Rhythms for Detecting Video-Based Facial Spoof Attacks by Pinto, Allan, Robson Schwartz, William, Pedrini, Helio, De Rezende Rocha, Anderson

“…Spoofing attacks or impersonation can be easily accomplished in a facial biometric system wherein users without access privileges attempt to authenticate…”
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Kernel cross-view collaborative representation based classification for person re-identification by Prates, Raphael, Schwartz, William Robson

“…Person re-identification aims at the maintenance of a global identity as a person moves among non-overlapping surveillance cameras. It is a hard task due to…”
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Histograms of Optical Flow Orientation and Magnitude and Entropy to Detect Anomalous Events in Videos by Mora Colque, Rensso Victor Hugo, Caetano, Carlos, Toledo Lustosa de Andrade, Matheus, Schwartz, William Robson

“…This paper presents an approach for detecting anomalous events in videos with crowds. The main goal is to recognize patterns that might lead to an anomalous…”
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An efficient and layout‐independent automatic license plate recognition system based on the YOLO detector by Laroca, Rayson, Zanlorensi, Luiz A., Gonçalves, Gabriel R., Todt, Eduardo, Schwartz, William Robson, Menotti, David

“…This paper presents an efficient and layout‐independent Automatic License Plate Recognition (ALPR) system based on the state‐of‐the‐art you only look once…”
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Learning Discriminative Appearance-Based Models Using Partial Least Squares by Schwartz, W.R., Davis, L.S.

“…Appearance information is essential for applications such as tracking and people recognition. One of the main problems of using appearance-based discriminative…”
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Human detection using partial least squares analysis by Schwartz, William Robson, Kembhavi, Aniruddha, Harwood, David, Davis, Larry S.

“…Significant research has been devoted to detecting people in images and videos. In this paper we describe a human detection method that augments widely used…”
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Novel approaches to human activity recognition based on accelerometer data by Jordao, Artur, Torres, Leonardo Antônio Borges, Schwartz, William Robson

“…An increasing number of works have investigated the use of convolutional neural network (ConvNets) approaches to perform human activity recognition (HAR) based…”
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Partial least squares for face hashing by dos Santos, Cassio E., Kijak, Ewa, Gravier, Guillaume, Schwartz, William Robson

“…Face identification is an important research topic due to areas such as its application in surveillance, forensics and human–computer interaction. In the past…”
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Adaptive edge-preserving image denoising using wavelet transforms by da Silva, Ricardo Dutra, Minetto, Rodrigo, Schwartz, William Robson, Pedrini, Helio

“…Image denoising is a relevant issue found in diverse image processing and computer vision problems. It is a challenge to preserve important features, such as…”
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Wearable sensors in patient acuity assessment in critical care by Sena, Jessica, Mostafiz, Mohammad Tahsin, Zhang, Jiaqing, Davidson, Andrea E, Bandyopadhyay, Sabyasachi, Nerella, Subhash, Ren, Yuanfang, Ozrazgat-Baslanti, Tezcan, Shickel, Benjamin, Loftus, Tyler, Schwartz, William Robson, Bihorac, Azra, Rashidi, Parisa

“…Acuity assessments are vital for timely interventions and fair resource allocation in critical care settings. Conventional acuity scoring systems heavily…”
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A Robust Real-Time Automatic License Plate Recognition Based on the YOLO Detector by Laroca, Rayson, Severo, Evair, Zanlorensi, Luiz A., Oliveira, Luiz S., Goncalves, Gabriel Resende, Schwartz, William Robson, Menotti, David

“…Automatic License Plate Recognition (ALPR) has been a frequent topic of research due to many practical applications. However, many of the current solutions are…”
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Covariance-free Partial Least Squares: An Incremental Dimensionality Reduction Method by Jordao, Artur, Lie, Maiko, Cunha de Melo, Victor Hugo, Robson Schwartz, William

“…Dimensionality reduction plays an important role in computer vision problems since it reduces computational cost and is often capable of yielding more…”
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