Sérgio Colcher

According to our database, Sérgio Colcher authored at least 42 papers between 2001 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Noise-Robust Automatic Speech Recognition: A Case Study for Communication Interference.

Julio Cesar Duarte, Sérgio Colcher

J. Interact. Syst., 2024

Learning Self-distilled Features for Facial Deepfake Detection Using Visual Foundation Models: General Results and Demographic Analysis.

Yan Martins Braz Gurevitz Cunha, Bruno Rocha Gomes, José Matheus Carvalho Boaro, Daniel de Sousa Moraes, Antonio José Grandson Busson, Julio Cesar Duarte, Sérgio Colcher

J. Interact. Syst., 2024

Using Zero-shot Prompting in the Automatic Creation and Expansion of Topic Taxonomies for Tagging Retail Banking Transactions.

Daniel de S. Moraes, Pedro T. C. Santos, Polyana B. da Costa, Matheus A. S. Pinto, Ivan de J. P. Pinto, Álvaro Mário G. da Veiga, Sérgio Colcher, Antonio José G. Busson, Rafael H. Rocha, Rennan Gaio, Rafael Miceli, Gabriela Tourinho, Marcos Rabaioli, Leandro Santos, Fellipe Marques, David Favaro

CoRR, 2024

A Middleware Architecture for Enhancing Multimedia Flows with High-Level Semantic Information.

José Matheus Carvalho Boaro, Polyana Bezerra da Costa, Daniel de Sousa Moraes, Pedro Thiago Cutrim dos Santos, João G. Ribeiro, Julio Cesar Duarte, Alberto Sardinha, Sérgio Colcher

Proceedings of the 2024 ACM International Conference on Interactive Media Experiences, 2024

Experimenting with Planning and Reasoning in Ad Hoc Teamwork Environments with Large Language Models.

Polyana Bezerra da Costa, Pedro Thiago Cutrim dos Santos, José Matheus Carvalho Boaro, Daniel de Sousa Moraes, Julio Cesar Duarte, Sérgio Colcher

Proceedings of the 16th International Conference on Agents and Artificial Intelligence, 2024

2023

Hierarchical Classification of Financial Transactions Through Context-Fusion of Transformer-based Embeddings and Taxonomy-aware Attention Layer.

Antonio José G. Busson, Rafael H. Rocha, Rennan Gaio, Rafael Miceli, Ivan Pereira, Daniel de S. Moraes, Sérgio Colcher, Álvaro M. da Veiga, Bruno Rizzi, Francisco Evangelista, Leandro Santos, Fellipe Marques, Marcos Rabaioli, Diego Feldberg, Debora Mattos, João Pasqua, Diogo Dias

CoRR, 2023

Realistic Facial Deep Fakes Detection Through Self-Supervised Features Generated by a Self-Distilled Vision Transformer.

Bruno Rocha Gomes, Antonio José G. Busson, José M. C. Boaro, Sérgio Colcher

Proceedings of the 29th Brazilian Symposium on Multimedia and the Web, 2023

2022

110K Sensitive Video Dataset.

Pedro Vinicius Almeida de Freitas, Gabriel Noronha Pereira dos Santos, Antonio José Grandson Busson, Álan Lívio Vasconcelos Guedes, Sérgio Colcher

Dataset, February, 2022

Unsupervised method for video action segmentation through spatio-temporal and positional-encoded embeddings.

Guilherme de A. P. Marques, Antonio José G. Busson, Álan Lívio Vasconcelos Guedes, Julio Cesar Duarte, Sérgio Colcher

Proceedings of the MMSys '22: 13th ACM Multimedia Systems Conference, Athlone, Ireland, June 14, 2022

2021

Building a Noisy Audio Dataset to Evaluate Machine Learning Approaches for Automatic Speech Recognition Systems.

Julio Cesar Duarte, Sérgio Colcher

CoRR, 2021

Generating Data Augmentation samples for Semantic Segmentation of Salt Bodies in a Synthetic Seismic Image Dataset.

Luis Felipe M. O. Henriques, Sérgio Colcher, Ruy Luiz Milidiú, André Bulcão, Pablo Barros

CoRR, 2021

Should I See or Should I Go: Automatic Detection of Sensitive Media in Messaging Apps.

Arthur C. Serra, Paulo Renato C. Mendes, Pedro V. A. de Freitas, Antonio José G. Busson, Álan L. V. Guedes, Sérgio Colcher

Proceedings of the WebMedia '21: Brazilian Symposium on Multimedia and the Web, 2021

Quality Enhancement of Highly Degraded Music Using Deep Learning-Based Prediction Models for Lost Frequencies.

Arthur C. Serra, Antonio José G. Busson, Álan L. V. Guedes, Sérgio Colcher

Proceedings of the WebMedia '21: Brazilian Symposium on Multimedia and the Web, 2021

A Cluster-Based Method for Action Segmentation Using Spatio-Temporal and Positional Encoded Embeddings.

Guilherme de A. P. Marques, Antonio José G. Busson, Álan Lívio Vasconcelos Guedes, Sérgio Colcher

Proceedings of the WebMedia '21: Brazilian Symposium on Multimedia and the Web, 2021

2020

Prior Flow Variational Autoencoder: A density estimation model for Non-Intrusive Load Monitoring.

Luis Felipe M. O. Henriques, Eduardo Morgan, Sérgio Colcher, Ruy Luiz Milidiú

CoRR, 2020

Seismic Shot Gather Noise Localization Using a Multi-Scale Feature-Fusion-Based Neural Network.

Antonio José G. Busson, Sérgio Colcher, Ruy Luiz Milidiú, Bruno Pereira Dias, André Bulcão

CoRR, 2020

SucupiraBot: An Interactive Question-Answering System for the Sucupira Platform.

Ivan Pereira, Jessica Sousa, Polyana B. da Costa, Simone D. J. Barbosa, Sérgio Colcher

Proceedings of the WebMedia '20: Brazillian Symposium on Multimedia and the Web, São Luís, Brazil, November 30, 2020

A Cluster-Matching-Based Method for Video Face Recognition.

Paulo Renato C. Mendes, Antonio José G. Busson, Sérgio Colcher, Daniel Schwabe, Álan Lívio Vasconcelos Guedes, Carlos Laufer

Proceedings of the WebMedia '20: Brazillian Symposium on Multimedia and the Web, São Luís, Brazil, November 30, 2020

Decoder-Side Quality Enhancement of JPEG Images Using Deep Learning-Based Prediction Models for Quantized DCT Coefficients.

Antonio José G. Busson, Paulo Renato C. Mendes, Daniel de S. Moraes, Álvaro Mário G. da Veiga, Sérgio Colcher, Álan Lívio Vasconcelos Guedes

Proceedings of the WebMedia '20: Brazillian Symposium on Multimedia and the Web, São Luís, Brazil, November 30, 2020

A Clustering-Based Method for Automatic Educational Video Recommendation Using Deep Face-Features of Lecturers.

Paulo Renato C. Mendes, Eduardo S. Vieira, Álan L. V. Guedes, Antonio José G. Busson, Sérgio Colcher

Proceedings of the IEEE International Symposium on Multimedia, 2020

Video Quality Enhancement Using Deep Learning-Based Prediction Models for Quantized DCT Coefficients in MPEG I-frames.

Antonio José G. Busson, Paulo Renato C. Mendes, Daniel de S. Moraes, Álvaro M. da Veiga, Álan L. V. Guedes, Sérgio Colcher

Proceedings of the IEEE International Symposium on Multimedia, 2020

An Authoring Model for Interactive 360 Videos.

Paulo Renato C. Mendes, Álan L. V. Guedes, Daniel de S. Moraes, Roberto Gerson de Albuquerque Azevedo, Sérgio Colcher

Proceedings of the 2020 IEEE International Conference on Multimedia & Expo Workshops, 2020

Stocks Clustering Based on Textual Embeddings for Price Forecasting.

André D. C. M. de Oliveira, Pedro F. A. Pinto, Sérgio Colcher

Proceedings of the Intelligent Systems - 9th Brazilian Conference, 2020

2019

A Deep Convolutional Network for Seismic Shot-Gather Image Quality Classification.

Eduardo Betine Bucker, Antonio José Grandson Busson, Ruy Luiz Milidiú, Sérgio Colcher, Bruno Pereira Dias, André Bulcão

CoRR, 2019

A Multimodal CNN-based Tool to Censure Inappropriate Video Scenes.

Pedro V. A. de Freitas, Paulo Renato C. Mendes, Gabriel N. P. dos Santos, Antonio José G. Busson, Álan Lívio Vasconcelos Guedes, Sérgio Colcher, Ruy Luiz Milidiú

CoRR, 2019

Deep learning methods for video understanding.

Gabriel N. P. dos Santos, Pedro V. A. de Freitas, Antonio José G. Busson, Álan L. V. Guedes, Ruy Milidiú, Sérgio Colcher

Proceedings of the 25th Brazillian Symposium on Multimedia and the Web, 2019

An introduction to data stream processing: a complex event processing approach.

Marcos Roriz, Fernando B. V. Magalhães, Álan L. V. Guedes, Sérgio Colcher, Markus Endler

Proceedings of the 25th Brazillian Symposium on Multimedia and the Web, 2019

A baseline for NSFW video detection in e-learning environments.

Pedro V. A. de Freitas, Gabriel N. P. dos Santos, Antonio José G. Busson, Álan L. V. Guedes, Sérgio Colcher

Proceedings of the 25th Brazillian Symposium on Multimedia and the Web, 2019

An ergonomic evaluation method using a mobile depth sensor and pose estimation.

Pedro Vinicius A. de Freitas, Paulo Renato C. Mendes, Antonio José G. Busson, Álan Lívio Vasconcelos Guedes, Giovanni Lucca França da Silva, Anselmo Cardoso de Paiva, Sérgio Colcher

Proceedings of the 25th Brazillian Symposium on Multimedia and the Web, 2019

Subjective Evaluation of 360-degree Sensory Experiences.

Álan L. V. Guedes, Roberto Gerson de Albuquerque Azevedo, Pascal Frossard, Sérgio Colcher, Simone Diniz Junqueira Barbosa

Proceedings of the 21st IEEE International Workshop on Multimedia Signal Processing, 2019

A CNN-Based Tool to Index Emotion on Anime Character Stickers.

Ivan Jesus, Jessica Cardoso, Antonio José G. Busson, Álan Lívio Vasconcelos Guedes, Sérgio Colcher, Ruy Luiz Milidiú

Proceedings of the IEEE International Symposium on Multimedia, 2019

Modeling Multimodal-Multiuser Interactions in Declarative Multimedia Languages.

Álan L. V. Guedes, Roberto Gerson De Albuquerque Azevedo, Sérgio Colcher, Simone D. J. Barbosa

Proceedings of the ACM Symposium on Document Engineering 2019, 2019

2018

Dynamic Integration of Foreign-Language Parsers into an NCL Player.

Jorge P. Dodsworth, Lucas de Macêdo Terças, Álan L. V. Guedes, Guilherme F. Lima, Carlos de Salles Soares Neto, Sérgio Colcher

Proceedings of the 24th Brazilian Symposium on Multimedia and the Web, 2018

Developing Deep Learning Models for Multimedia Applications in TensorFlow.

Antonio José G. Busson, Lucas Caracas de Figueiredo, Gabriel N. P. dos Santos, André Luiz de Brandão Damasceno, Sérgio Colcher, Ruy Milidiú

Proceedings of the 24th Brazilian Symposium on Multimedia and the Web, 2018

2017

Converting NCL Documents to Smix and Fixing Their Semantics and Interpretation in the Process.

Guilherme Augusto Ferreira Lima, Roberto Gerson De Albuquerque Azevedo, Sérgio Colcher, Edward Hermann Haeusler

Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web, 2017

A Hypervideo Model for Learning Objects.

Antonio José G. Busson, André Luiz de Brandão Damasceno, Roberto Gerson De Albuquerque Azevedo, Carlos de Salles Soares Neto, Thacyla de Sousa Lima, Sérgio Colcher

Proceedings of the 28th ACM Conference on Hypertext and Social Media, 2017

The Fábulas Model for Authoring Web-based Children's eBooks.

Hedvan Fernandes Pinto, Carlos de Salles Soares Neto, Sérgio Colcher, Roberto Gerson De Albuquerque Azevedo

Proceedings of the 2017 ACM Symposium on Document Engineering, 2017

2016

Extending NCL to Support Multiuser and Multimodal Interactions.

Álan Lívio Vasconcelos Guedes, Roberto Gerson De Albuquerque Azevedo, Sérgio Colcher, Simone D. J. Barbosa

Proceedings of the 22nd Brazilian Symposium on Multimedia and the Web, 2016

Synchronization Abstractions and Separation of Concerns as Key Aspects to the Interoperability in IoT.

Márcio Ferreira Moreno, Renato Cerqueira, Sérgio Colcher

Proceedings of the Interoperability, Safety and Security in IoT, 2016

2006

Adaptable Resource Management Based on the Virtual Resource Tree Model.

Marcelo Ferreira Moreno, Sérgio Colcher, Luiz Fernando Gomes Soares

Proceedings of the Fifth International Conference on Networking and the International Conference on Systems (ICN / ICONS / MCL 2006), 2006

2001

Towards a Descriptive Approach to Model Adaptable Communication Environments.

Antônio Tadeu A. Gomes, Sérgio Colcher, Luiz Fernando Gomes Soares

Proceedings of the Networking, 2001

Modeling QoS provision on adaptable communication environments.

Antônio Tadeu A. Gomes, Sérgio Colcher, Luiz Fernando Gomes Soares

Proceedings of the IEEE International Conference on Communications, 2001