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Leo Sampaio Ferraz Ribeiro
Leo Sampaio Ferraz Ribeiro
Professora Doutora, ICMC-USP
Verified email at icmc.usp.br
Title
Cited by
Cited by
Year
Everything you wanted to know about deep learning for computer vision but were afraid to ask
MA Ponti, LSF Ribeiro, TS Nazare, T Bui, J Collomosse
2017 30th SIBGRAPI conference on graphics, patterns and images tutorials …, 2017
2032017
Sketchformer: Transformer-based representation for sketched structure
LSF Ribeiro, T Bui, J Collomosse, M Ponti
Proceedings of the IEEE/CVF conference on computer vision and pattern …, 2020
1732020
Compact descriptors for sketch-based image retrieval using a triplet loss convolutional neural network
T Bui, L Ribeiro, M Ponti, J Collomosse
Computer Vision and Image Understanding 164, 27-37, 2017
1072017
Sketching out the details: Sketch-based image retrieval using convolutional neural networks with multi-stage regression
T Bui, L Ribeiro, M Ponti, J Collomosse
Computers & Graphics 71, 77-87, 2018
822018
Generalisation and sharing in triplet convnets for sketch based visual search
T Bui, L Ribeiro, M Ponti, J Collomosse
arXiv preprint arXiv:1611.05301, 2016
552016
Generalization of feature embeddings transferred from different video anomaly detection domains
FP dos Santos, LSF Ribeiro, MA Ponti
Journal of Visual Communication and Image Representation 60, 407-416, 2019
442019
Unsupervised representation learning using convolutional and stacked auto-encoders: a domain and cross-domain feature space analysis
GB Cavallari, LSF Ribeiro, MA Ponti
2018 31st SIBGRAPI conference on graphics, patterns and images (SIBGRAPI …, 2018
442018
Training deep networks from zero to hero: avoiding pitfalls and going beyond
MA Ponti, FP dos Santos, LSF Ribeiro, GB Cavallari
2021 34th SIBGRAPI Conference on Graphics, Patterns and Images (SIBGRAPI), 9-16, 2021
172021
Scene designer: a unified model for scene search and synthesis from sketch
LSF Ribeiro, T Bui, J Collomosse, M Ponti
Proceedings of the IEEE/CVF International Conference on Computer Vision …, 2021
142021
Deep manifold alignment for mid-grain sketch based image retrieval
T Bui, L Ribeiro, M Ponti, J Collomosse
Asian Conference on Computer Vision, 314-329, 2018
132018
Sketch-an-anchor: Sub-epoch fast model adaptation for zero-shot sketch-based image retrieval
LSF Ribeiro, MA Ponti
arXiv preprint arXiv:2303.16769, 2023
72023
Leveraging self-supervised learning for scene classification in child sexual abuse imagery
PHV Valois, J Macedo, LSF Ribeiro, JA dos Santos, S Avila
Forensic Science International: Digital Investigation 53, 301918, 2025
6*2025
Mastering Scene Understanding: Scene Graphs to the Rescue
C Caetano, LSF Ribeiro, C Laranjeira, GO dos Santos, A Barros, ...
2024 37th SIBGRAPI Conference on Graphics, Patterns and Images (SIBGRAPI), 01-06, 2024
52024
Minimizing Risk Through Minimizing Model-Data Interaction: A Protocol For Relying on Proxy Tasks When Designing Child Sexual Abuse Imagery Detection Models
T Coelho, LSF Ribeiro, J Macedo, JA dos Santos, S Avila
Proceedings of the 2025 ACM Conference on Fairness, Accountability, and …, 2025
42025
Neglected Risks: The Disturbing Reality of Children’s Images in Datasets and the Urgent Call for Accountability
C Caetano, GO Santos, C Petrucci, A Barros, C Laranjeira, LSF Ribeiro, ...
Proceedings of the 2025 ACM Conference on Fairness, Accountability, and …, 2025
32025
Bearing failure prognostics using recurrent neural networks: A spectral data based architecture
R Cosin, LSF Ribeiro, KC Branco
2023 36th SIBGRAPI Conference on Graphics, Patterns and Images (SIBGRAPI), 91-96, 2023
32023
Transformers-Based Few-Shot Learning for Scene Classification in Child Sexual Abuse Imagery
T Coelho, LSF Ribeiro, J Macedo, JA dos Santos, S Avila
Conference on Graphics, Patterns and Images (SIBGRAPI), 8-14, 2024
22024
Scene designer: compositional sketch-based image retrieval with contrastive learning and an auxiliary synthesis task
L Sampaio Ferraz Ribeiro, T Bui, J Collomosse, M Ponti
Multimedia tools and applications 82 (24), 38117-38139, 2023
22023
Child Sexual Abuse Datasets: A Systematic Review
J Macedo, C Laranjeira, LSF Ribeiro, C Caetano, F Benevenuto, S Avila, ...
2025
Transformed Multi-view 3D Shape Features with Contrastive Learning
MVL Costa, SA da Silva, BC Benato, LSF Ribeiro, MA Ponti
arXiv preprint arXiv:2510.19955, 2025
2025
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Articles 1–20