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Raphael Baena Email / Scholar / Twitter / Github I am a postdoctoral researcher in computer vision at École des Ponts ParisTech (ENPC), under the guidance of Mathieu Aubry. I am part of the Imagine group of the A3SI team, LIGM lab (UMR 8049). I completed my PhD at IMT Atlantique under the direction of Vincent Gripon and supervision of Lucas Drumetz. I am interested in computer vision and deep learning, particularly in transfer learning. My current research focuses on applying these techniques to handwritten recognition in historical documents. |
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Research |
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General Detection-based Text Line Recognition
R. Baena, S. Kalleli, M. Aubry. Conference: NeurIPS, 2024 Arxiv, Github, Project page |
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On Transfer in Classification: How Well do Subsets of Classes Generalize?
R. Baena, L. Drumetz, V. Gripon Conference: EUSIPCO, 2024 Arxiv |
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Local Mixup: Interpolation of closest input signals to prevent manifold intrusion
R. Baena, L. Drumetz, V. Gripon Journal Elsevier Signal Processing, 2024 Arxiv , Github |
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Entropy based feature regularization to improve transferability of deep learning models
R. Baena, L. Drumetz, V. Gripon Conference: ICASSP, 2023 Arxiv, Github |
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Inferring Graph Signal Translations as Invariant Transformations for Classification Tasks
R. Baena, L. Drumetz, V. Gripon Conference: EUSIPCO, 2021 Arxiv |
Teaching |
| Teaching Assistant in Deep Leaning | Course Supervisor: Mathieu Aubry |
| ENPC | 2nd Semester 2024 |
| Teaching Assistant in Machine Leaning (15 hrs) | Course Supervisor: David Picard |
| ENPC | 1st Semester 2024 |
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Teaching Assistant in Advanced Algorithmics
and Graph Theory with Python (32 hrs) |
Course Supervisor: Vincent Gripon |
| IMT Atlantique | 1st Semester 2022 |
| Supervision of Master's students for research Projects (12 hrs) | Course Supervisor: Vincent Gripon |
| IMT Atlantique | 2nd Semester 2021 |
Reviewer Activity |
| ICASSP | Years: 2023-2024 |
| IEEE Transaction in Signal Processing (TSP) | Years: 2022-2023 |
Seminars / Talks |
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Interpretable and Principled Historical Document Analysis
Invited Talk at LIRIS, Lyon |
29 October 2024 |
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General Detection-based Text Line Recognition
Presentation at the Computer Vision Center (CVC), Barcelona |
24 October 2024 |
Awards |
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ICDAR 2024 Competition on Handwriting Recognition of Historical Ciphers
Task 2A - Borg and Task 3B - Ramanacoil Cipher R. Baena, S. Kalleli, M. Aubry
Text Recognition (HTR) in low resource scenarios is a challenging problem. This is particularly the case of historical encrypted manuscripts, so called ciphers. The cipher alphabets oftentimes include digits, Latin or Greek letters, Zodiac and alchemical signs combined with various diacritics, as well as invented symbols.
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Website stolen from Jon Barrow. |