Daniel Welfer

37 papers B 2C 8Misc 1Journal 10Unranked 15
YearRankTypeTitle / Venue / Authors
2025 J jnl
On the Performance of Cyber-Biomedical Features for Intrusion Detection in Healthcare 5.0.
CoRR
Pedro H. Lui, Lucas P. Siqueira, Juliano F. Kazienko, Vagner Ereno Quincozes, Silvio E. Quincozes, Daniel Welfer
2025 — conf
Retinal Lesion Detection and Segmentation Using a Region of Interest-Based Approach with YOLO11.
BRACIS (2)
Marcelo Dias, Carlos Silva, Alejandro Pereira, Marilton S. de Aguiar, Daniel Welfer
2024 — conf
An Improved Approach for Semantic Segmentation of Fundus Lesions using R2U-Net.
EMBC
Alejandro Pereira, Carlos Santos, Marilton S. de Aguiar, Daniel Welfer, Marcelo Dias, Rafaela de Menezes, Paulo Roberto Ferreira, Fábio D. Rossi, Marcos Cordeiro d'Ornellas, Carlos Jesus Pereira Haygert, Juliano F. Kazienko, Fábio Comim, Aurélio Hoppe, Juliano Weber, Leandro Tavares, Leonardo Guths, Rodrigo Guerra
2024 — conf
DRAT: A semi-supervised tool for automatic annotation of lesions caused by diabetic retinopathy.
SBSI
Marcelo Dias, Carlos Santos, Marilton S. de Aguiar, Daniel Welfer, Alejandro Pereira, Fernando Ollé
2023 J jnl
A New Approach for Fundus Lesions Instance Segmentation Based on Mask R-CNN X101-FPN Pre-Trained Architecture.
IEEE Access
Carlos Silva, Marilton S. de Aguiar, Daniel Welfer, Marcelo Dias, Alejandro Pereira, Marcelo Ribeiro, Bruno Belloni
2023 B conf
Detection of retinal microlesions through YOLOR-CSP architecture and image slicing with the SAHI algorithm.
IJCNN
Alejandro Pereira, Carlos Silva, Marilton S. de Aguiar, Daniel Welfer, Marcelo Dias, Marcelo Ribeiro, Reza Ahmadi
2022 — conf
A Method Based on Deep Neural Network for Instance Segmentation of Retinal Lesions Caused by Diabetic Retinopathy.
CSCI
Carlos Santos, Marilton S. de Aguiar, Daniel Welfer, Marcelo Silva, Alejandro Pereira, Marcelo Ribeiro, Bruno Belloni
2022 J jnl
A New Approach for Detecting Fundus Lesions Using Image Processing and Deep Neural Network Architecture Based on YOLO Model.
Sensors
Carlos Santos, Marilton S. de Aguiar, Daniel Welfer, Bruno Belloni
2021 — conf
A New Method Based on Deep Learning to Detect Lesions in Retinal Images using YOLOv5.
BIBM
Carlos Santos, Marilton S. de Aguiar, Daniel Welfer, Bruno Belloni
2021 C conf
Comparison of Different Processing Methods of Joint Coordinates Features for Gesture Recognition with a RNN in the MSRC-12.
ISDA
Júlia Schubert Peixoto, Anselmo Rafael Cukla, Daniel Welfer, Daniel Fernando Tello Gamarra
2021 B conf
Deep Neural Network Model based on One-Stage Detector for Identifying Fundus Lesions.
IJCNN
Carlos Santos, Marilton Sanchotene de Aguiar, Daniel Welfer, Bruno Belloni
2021 — conf
Detection of Fundus Lesions through a Convolutional Neural Network in Patients with Diabetic Retinopathy.
EMBC
Carlos Santos, Marilton Sanchotene de Aguiar, Daniel Welfer, Bruno Belloni
2020 C conf
Analysis of the Superpixel Slic Algorithm for Increasing Data for Disease Detection Using Deep Learning.
ISDA
Luiz Daniel Garay Trindade, Fábio Paulo Basso, Elder de Macedo Rodrigues, Maicon Bernardino, Daniel Welfer, Daniel Müller
2020 C conf
Comparison of Different Processing Methods of Joint Coordinates Features for Gesture Recognition with a CNN in the MSRC-12 Database.
ISDA
Júlia Schubert Peixoto, Miguel Pfitscher, Marco Antônio De Souza Leite Cuadros, Daniel Welfer, Daniel Fernando Tello Gamarra
2019 — conf
A Mathematical Morphology-Based Filter for Noise Reduction and Detail Preservation in Low-Dose Dental CT Images.
MedInfo
Rômulo Marconato Stringhini, Daniel Welfer, Marcos Cordeiro d'Ornellas, Daniel Fernando Tello Gamarra
2019 J jnl
Article Users Activity Gesture Recognition on Kinect Sensor Using Convolutional Neural Networks and FastDTW for Controlling Movements of a Mobile Robot.
Inteligencia Artif.
Miguel Pfitscher, Daniel Welfer, Evaristo José Do Nascimento, Marco Antônio De Souza Leite Cuadros, Daniel Fernando Tello Gamarra
2019 — conf
Low-Dose CT Dental Image Denoising by Morphological Operators and 3D Filtering.
SIBGRAPI
Rômulo Marconato Stringhini, Daniel Welfer, Marcos Cordeiro d'Ornellas, Daniel Fernando Tello Gamarra
2019 J jnl
Mobile Robot Navigation Using an Object Recognition Software with RGBD Images and the YOLO Algorithm.
Appl. Artif. Intell.
Douglas Henke Dos Reis, Daniel Welfer, Marco Antônio De Souza Leite Cuadros, Daniel Fernando Tello Gamarra
2019 C conf
Noise Reduction with Detail Preservation in Low-Dose Dental CT Images by Morphological Operators and BM3D.
ISDA
Rômulo Marconato Stringhini, Daniel Welfer, Daniel Fernando Tello Gamarra, Gustavo Nogara Dotto
2019 C conf
Object Recognition Software Using RGBD Kinect Images and the YOLO Algorithm for Mobile Robot Navigation.
ISDA
Douglas Henke Dos Reis, Daniel Welfer, Marco Antônio De Souza Leite Cuadros, Daniel Fernando Tello Gamarra
2018 — conf
Activity Gesture Recognition on Kinect Sensor Using Convolutional Neural Networks and FastDTW for the MSRC-12 Dataset.
ISDA (1)
Miguel Pfitscher, Daniel Welfer, Marco Antônio De Souza Leite Cuadros, Daniel Fernando Tello Gamarra
2018 — conf
Image Processing Algorithm to Detect Defects in Optical Fibers.
NAFIPS
Marcelo Mafalda, Daniel Welfer, Marco Antônio De Souza Leite Cuadros, Daniel Fernando Tello Gamarra
2018 J jnl
The Pattern Recognition in Cattle Brand using Bag of Visual Words and Support Vector Machines Multi-Class.
Inteligencia Artif.
Carlos Silva, Daniel Welfer, Cláudia Dornelles
2017 — conf
Automatic Identification of Glaucoma Using Deep Learning Methods.
MedInfo
Allan Cerentini, Daniel Welfer, Marcos Cordeiro d'Ornellas, Carlos Jesus Pereira Haygert, Gustavo Nogara Dotto
2017 — conf
CTdBem - A New Protocol for Ultra Low Radiation Dose MDCT.
MedInfo
Carlos Jesus Pereira Haygert, Marcos Cordeiro d'Ornellas, Daniel Welfer, Rubens Martins Bastos, Gustavo Nogara Dotto
2017 C conf
Deep Learning Techniques Applied to the Cattle Brand Recognition.
CIARP
Carlos Silva, Daniel Welfer, Juliano Weber
2017 — conf
Locally Adaptive Operators for Red Lesions Detection in Eye Fundus Images.
MedInfo
Luiza Dri Bagesteiro, Daniel Welfer, Marcos Cordeiro d'Ornellas, Juliano F. Kazienko, Carlos Jesus Pereira Haygert, Gustavo Nogara Dotto
2017 — conf
Use of Flowchart for Automation of Clinical Protocols in mHealth.
MedInfo
Karine Nóra Dias, Daniel Welfer, Marcos Cordeiro d'Ornellas, Carlos Jesus Pereira Haygert, Gustavo Nogara Dotto
2016 — conf
A Novel Method for Detecting the Fovea in Fundus Images of the Eye.
SIBGRAPI
Pedro de Moura Garcia, Diego Luis Kreutz, Daniel Welfer
2014 C conf
A mobile application system for diagnosis and management of Community-Acquired Pneumonia.
Healthcom
Daniel Welfer, Renato Cassol Ferreira da Silva, Juliano F. Kazienko
2014 C conf
MobiCAP: A mobile application prototype for management of community-acquired pneumonia.
Healthcom
Daniel Welfer, Renato Cassol Ferreira da Silva, Juliano F. Kazienko
2013 J jnl
A morphologic two-stage approach for automated optic disk detection in color eye fundus images.
Pattern Recognit. Lett.
Daniel Welfer, Jacob Scharcanski, Diane Ruschel Marinho
2011 J jnl
Fovea center detection based on the retina anatomy and mathematical morphology.
Comput. Methods Programs Biomed.
Daniel Welfer, Jacob Scharcanski, Diane Ruschel Marinho
2011 — —
Métodos computacionais para identificar automaticamente estruturas da retina e quantificar a severidade do edema macular diabético em imagens de fundo de olho.
Daniel Welfer
2010 J jnl
A coarse-to-fine strategy for automatically detecting exudates in color eye fundus images.
Comput. Medical Imaging Graph.
Daniel Welfer, Jacob Scharcanski, Diane Ruschel Marinho
2010 Misc conf
A morphologic three-stage approach for detecting exudates in color eye fundus images.
SAC
Daniel Welfer, Jacob Scharcanski, Diane Ruschel Marinho
2010 J jnl
Segmentation of the optic disk in color eye fundus images using an adaptive morphological approach.
Comput. Biol. Medicine
Daniel Welfer, Jacob Scharcanski, Cleyson M. Kitamura, Melissa M. Dal Pizzol, Laura W. B. Ludwig, Diane Ruschel Marinho