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Detecting and Matching Related Objects with One Proposal Multiple Predictions


Apr 23, 2021
Yang Liu, Luiz G. Hafemann, Michael Jamieson, Mehrsan Javan

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* CVPR workshop 2021 

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Group Activity Detection from Trajectory and Video Data in Soccer


Apr 21, 2020
Ryan Sanford, Siavash Gorji, Luiz G. Hafemann, Bahareh Pourbabaee, Mehrsan Javan

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* Accepted to the 6th International Workshop on Computer Vision in Sports (CVsports) at CVPR 2020 

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Meta-learning for fast classifier adaptation to new users of Signature Verification systems


Oct 17, 2019
Luiz G. Hafemann, Robert Sabourin, Luiz S. Oliveira

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* Accepted for the IEEE Transactions on Information Forensics and Security 

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Universal Adversarial Audio Perturbations


Aug 12, 2019
Sajjad Abdoli, Luiz G. Hafemann, Jerome Rony, Ismail Ben Ayed, Patrick Cardinal, Alessandro L. Koerich

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Characterizing and evaluating adversarial examples for Offline Handwritten Signature Verification


Jan 10, 2019
Luiz G. Hafemann, Robert Sabourin, Luiz S. Oliveira

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* Accepted for the IEEE Transactions on Information Forensics and Security 

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Decoupling Direction and Norm for Efficient Gradient-Based L2 Adversarial Attacks and Defenses


Nov 26, 2018
Jérôme Rony, Luiz G. Hafemann, Luiz S. Oliveira, Ismail Ben Ayed, Robert Sabourin, Eric Granger

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Fixed-sized representation learning from Offline Handwritten Signatures of different sizes


Apr 24, 2018
Luiz G. Hafemann, Robert Sabourin, Luiz S. Oliveira

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* This is a pre-print of an article published in the International Journal on Document Analysis and Recognition 

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DESlib: A Dynamic ensemble selection library in Python


Feb 16, 2018
Rafael M. O. Cruz, Luiz G. Hafemann, Robert Sabourin, George D. C. Cavalcanti

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* Paper introducing DESlib: A dynamic ensemble selection library in Python 

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Offline Handwritten Signature Verification - Literature Review


Oct 16, 2017
Luiz G. Hafemann, Robert Sabourin, Luiz S. Oliveira

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* Accepted to the International Conference on Image Processing Theory, Tools and Applications (IPTA 2017) 

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Learning Features for Offline Handwritten Signature Verification using Deep Convolutional Neural Networks


May 16, 2017
Luiz G. Hafemann, Robert Sabourin, Luiz S. Oliveira

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