Search Results for author: Erickson R. Nascimento

Found 20 papers, 9 papers with code

Improving the matching of deformable objects by learning to detect keypoints

1 code implementation1 Sep 2023 Felipe Cadar, Welerson Melo, Vaishnavi Kanagasabapathi, Guilherme Potje, Renato Martins, Erickson R. Nascimento

We propose a novel learned keypoint detection method to increase the number of correct matches for the task of non-rigid image correspondence.

Keypoint Detection Retrieval

Learning to Detect Good Keypoints to Match Non-Rigid Objects in RGB Images

1 code implementation13 Dec 2022 Welerson Melo, Guilherme Potje, Felipe Cadar, Renato Martins, Erickson R. Nascimento

We present a novel learned keypoint detection method designed to maximize the number of correct matches for the task of non-rigid image correspondence.

Keypoint Detection Retrieval

Semantic Segmentation under Adverse Conditions: A Weather and Nighttime-aware Synthetic Data-based Approach

1 code implementation11 Oct 2022 Abdulrahman Kerim, Felipe Chamone, Washington Ramos, Leandro Soriano Marcolino, Erickson R. Nascimento, Richard Jiang

Recent semantic segmentation models perform well under standard weather conditions and sufficient illumination but struggle with adverse weather conditions and nighttime.

Domain Adaptation Multi-Task Learning +2

Leveraging Synthetic Data to Learn Video Stabilization Under Adverse Conditions

1 code implementation26 Aug 2022 Abdulrahman Kerim, Washington L. S. Ramos, Leandro Soriano Marcolino, Erickson R. Nascimento, Richard Jiang

In this paper, we propose a synthetic-aware adverse weather robust algorithm for video stabilization that does not require real data and can be trained only on synthetic data.

Video Stabilization

Text-Driven Video Acceleration: A Weakly-Supervised Reinforcement Learning Method

1 code implementation29 Mar 2022 Washington Ramos, Michel Silva, Edson Araujo, Victor Moura, Keller Oliveira, Leandro Soriano Marcolino, Erickson R. Nascimento

The growth of videos in our digital age and the users' limited time raise the demand for processing untrimmed videos to produce shorter versions conveying the same information.

reinforcement-learning Reinforcement Learning (RL)

Learning Geodesic-Aware Local Features from RGB-D Images

no code implementations22 Mar 2022 Guilherme Potje, Renato Martins, Felipe Cadar, Erickson R. Nascimento

Most of the existing handcrafted and learning-based local descriptors are still at best approximately invariant to affine image transformations, often disregarding deformable surfaces.

Retrieval

Extracting Deformation-Aware Local Features by Learning to Deform

1 code implementation NeurIPS 2021 Guilherme Potje, Renato Martins, Felipe Cadar, Erickson R. Nascimento

Despite the advances in extracting local features achieved by handcrafted and learning-based descriptors, they are still limited by the lack of invariance to non-rigid transformations.

Creating and Reenacting Controllable 3D Humans with Differentiable Rendering

no code implementations22 Oct 2021 Thiago L. Gomes, Thiago M. Coutinho, Rafael Azevedo, Renato Martins, Erickson R. Nascimento

It also infers texture appearance with a convolutional network in the texture domain, which is trained in an adversarial regime to reconstruct human texture from rendered images of actors in different poses.

Neural Rendering SSIM

Learning to dance: A graph convolutional adversarial network to generate realistic dance motions from audio

1 code implementation25 Nov 2020 João P. Ferreira, Thiago M. Coutinho, Thiago L. Gomes, José F. Neto, Rafael Azevedo, Renato Martins, Erickson R. Nascimento

Our method uses an adversarial learning scheme conditioned on the input music audios to create natural motions preserving the key movements of different music styles.

A Two-Step Learning Method For Detecting Landmarks on Faces From Different Domains

no code implementations12 Sep 2018 Bruna Vieira Frade, Erickson R. Nascimento

The detection of fiducial points on faces has significantly been favored by the rapid progress in the field of machine learning, in particular in the convolution networks.

Domain Adaptation

Fast forwarding Egocentric Videos by Listening and Watching

no code implementations12 Jun 2018 Vinicius S. Furlan, Ruzena Bajcsy, Erickson R. Nascimento

The remarkable technological advance in well-equipped wearable devices is pushing an increasing production of long first-person videos.

A Weighted Sparse Sampling and Smoothing Frame Transition Approach for Semantic Fast-Forward First-Person Videos

no code implementations CVPR 2018 Michel Silva, Washington Ramos, João Ferreira, Felipe Chamone, Mario Campos, Erickson R. Nascimento

Thanks to the advances in the technology of low-cost digital cameras and the popularity of the self-recording culture, the amount of visual data on the Internet is going to the opposite side of the available time and patience of the users.

Cultural Vocal Bursts Intensity Prediction

A Robust Indoor Scene Recognition Method based on Sparse Representation

no code implementations24 Aug 2017 Guilherme Nascimento, Camila Laranjeira, Vinicius Braz, Anisio Lacerda, Erickson R. Nascimento

In this paper, we present a robust method for scene recognition, which leverages Convolutional Neural Networks (CNNs) features and Sparse Coding setting by creating a new representation of indoor scenes.

Scene Recognition

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