no code implementations • 5 Dec 2017 • Otávio A. B. Penatti, Milton F. S. Santos
In this paper, we present an approach for human activity recognition based on inertial sensors by employing recurrence plots (RP) and visual descriptors.
1 code implementation • 9 Nov 2017 • Keiller Nogueira, Samuel G. Fadel, Ícaro C. Dourado, Rafael de O. Werneck, Javier A. V. Muñoz, Otávio A. B. Penatti, Rodrigo T. Calumby, Lin Tzy Li, Jefersson A. dos Santos, Ricardo da S. Torres
Flooding is the world's most costly type of natural disaster in terms of both economic losses and human causalities.
no code implementations • 18 Jul 2016 • Leonardo A. Duarte, Otávio A. B. Penatti, Jurandy Almeida
This model is used to map low-level frame vectors into high-level vectors (e. g., classifier probability scores).
1 code implementation • 4 Feb 2016 • Keiller Nogueira, Otávio A. B. Penatti, Jefersson A. dos Santos
We present an analysis of three possible strategies for exploiting the power of existing convolutional neural networks (ConvNets) in different scenarios from the ones they were trained: full training, fine tuning, and using ConvNets as feature extractors.
no code implementations • 20 Nov 2015 • Otávio A. B. Penatti, Sandra Avila, Eduardo Valle, Ricardo da S. Torres
Results for image classification show that as visual dictionaries are based on low-level visual appearances, visual diversity is more important than semantic diversity.
no code implementations • 30 May 2015 • Leonardo A. Duarte, Otávio A. B. Penatti, Jurandy Almeida
The Bag of Genres video vector contains a summary of the activations of each genre in the video content.