Jhony H. Giraldo

47
Documents

Publications

Publications

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CATALOG: A Camera Trap Language-guided Contrastive Learning Model

Julian Santamaria , Claudia Isaza , Jhony Giraldo
2025 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV), Feb 2025, Tucson, United States. pp.1197-1206, ⟨10.1109/WACV61041.2025.00124⟩
Communication dans un congrès hal-05166701 v1
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HYGENE: A Diffusion-Based Hypergraph Generation Method

Dorian Gailhard , Enzo Tartaglione , Lirida Naviner , Jhony Giraldo
The 39th AAAI Conference on Artificial Intelligence e (AAAI-25), Association for the Advancement of Artificial Intelligence, Feb 2025, Philadelphia, United States. pp.16682-16690, ⟨10.1609/aaai.v39i16.33833⟩
Communication dans un congrès hal-05166733 v1
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Denoising Diffusion Probabilistic Model for Point Cloud Compression at Low Bit-Rates

Gabriele Spadaro , Alberto Presta , Jhony Heriberto Giraldo Zuluaga , Marco Grangetto , Wei Hu et al.
IEEE International Conference on Multimedia and Expo (ICME 2025), Jun 2025, Nantes, France
Communication dans un congrès hal-05160415 v1
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OVOSE: Open-Vocabulary Semantic Segmentation in Event-Based Cameras

Muhammad Rameez Ur Rahman , Jhony H. Giraldo , Indro Spinelli , Stéphane Lathuilière , Fabio Galasso
27 th International Conference on Pattern Recognition (ICPR), Dec 2024, Kolkata, INDIA, India. pp.18-33, ⟨10.1007/978-3-031-78444-6_2⟩
Communication dans un congrès hal-04794160 v1
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WiGNet: Windowed Vision Graph Neural Network

Gabriele Spadaro , Marco Grangetto , Attilio Fiandrotti , Enzo Tartaglione , Jhony Giraldo
2025 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV), Feb 2025, Tucson, United States. pp.859-868, ⟨10.1109/WACV61041.2025.00093⟩
Communication dans un congrès hal-05166688 v1
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Anomalous Sound Detection For Road Surveillance Based On Graph Signal Processing

Zied Mnasri , Jhony Heriberto Giraldo Zuluaga , Thierry Bouwmans
The 32nd European Conference on Signal Processing : EUSIPCO 2024, Aug 2024, Lyon, France. ⟨10.23919/EUSIPCO63174.2024.10715291⟩
Communication dans un congrès hal-04756448 v1
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Source-Guided Similarity Preservation for Online Person Re-Identification

Hamza Rami , Jhony H. Giraldo , Nicolas Winckler , Stéphane Lathuilière
2024 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV), Jan 2024, Waikoloa, United States. pp.1700-1709, ⟨10.1109/WACV57701.2024.00173⟩
Communication dans un congrès hal-04541703 v1
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Variational Graph Contrastive Learning

Shifeng Xie , Jhony H. Giraldo
NeurIPS 2024 Workshop: Self-Supervised Learning-Theory and Practice, Dec 2024, Vancouver, Canada
Communication dans un congrès hal-05167525 v1

Gabic: Graph-Based Attention Block for Image Compression

Gabriele Spadaro , Alberto Presta , Enzo Tartaglione , Jhony Giraldo , Marco Grangetto et al.
2024 IEEE International Conference on Image Processing (ICIP), Oct 2024, Abu Dhabi, United Arab Emirates. pp.1802-1808, ⟨10.1109/ICIP51287.2024.10647413⟩
Communication dans un congrès hal-05016959 v1

ALICE: Adapt your Learnable Image Compression modEl for variable bitrates

Gabriele Spadaro , Muhammad Salman Ali , Alberto Presta , Giommaria Pilo , Sung-Ho Bae et al.
2024 IEEE International Conference on Visual Communications and Image Processing (VCIP), Dec 2024, Tokyo, Japan. pp.1-5, ⟨10.1109/VCIP63160.2024.10849832⟩
Communication dans un congrès hal-05016997 v1
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Privacy-Preserving Adaptive Re-Identification without Image Transfer

Hamza Rami , Jhony H. Giraldo , Nicolas Winckler , Stéphane Lathuilière
18th European Conference on Computer Vision ECCV 2024, Sep 2024, Milan, Italy. pp.95-111, ⟨10.1007/978-3-031-72943-0_6⟩
Communication dans un congrès hal-04794154 v1
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Continuous Product Graph Neural Networks

Aref Einizade , Fragkiskos D. Malliaros , Jhony H. Giraldo
NeurIPS 2024 - 38th Conference on Neural Information Processing Systems, Dec 2024, Vancouver (BC), Canada
Communication dans un congrès hal-04896043 v1
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Few Labels are Enough! Semi-Supervised Graph Learning for Social Interaction

Nicola Corbellini , Jhony H. Giraldo , Giovanna Varni , Gualtiero Volpe
Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV) Workshops, Oct 2023, Paris, France. pp.3060-3068
Communication dans un congrès hal-04269170 v1
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Time-varying Signals Recovery via Graph Neural Networks

John A Castro-Correa , Jhony H Giraldo , Anindya Mondal , Mohsen Badiey , Thierry Bouwmans et al.
ICASSP 2023 - IEEE International Conference on Acoustics, Speech and Signal Processing, Jun 2023, Rhodes Island, Greece. pp.1-5, ⟨10.1109/ICASSP49357.2023.10096168⟩
Communication dans un congrès hal-04368767 v1

Higher-Order Sparse Convolutions in Graph Neural Networks

Jhony Giraldo , Sajid Javed , Arif Mahmood , Fragkiskos Malliaros , Thierry Bouwmans
ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Jun 2023, Rhodes Island, France. pp.1-5, ⟨10.1109/ICASSP49357.2023.10096494⟩
Communication dans un congrès hal-04536908 v1
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On the Trade-off between Over-smoothing and Over-squashing in Deep Graph Neural Networks

Jhony H Giraldo , Konstantinos Skianis , Thierry Bouwmans , Fragkiskos D. Malliaros
CIKM 2023 - The 32nd ACM International Conference on Information and Knowledge Management, Oct 2023, Birmingham United Kingdom, United Kingdom. pp.566-576, ⟨10.1145/3583780.3614997⟩
Communication dans un congrès hal-04263891 v1
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Higher-order Sparse Convolutions in Graph Neural Networks

Jhony H. Giraldo , Sajid Javed , Arif Mahmood , Fragkiskos D. Malliaros , Thierry Bouwmans
ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech, and Signal Processing, Jun 2023, Rhodes Island, Greece. pp.1-5, ⟨10.1109/ICASSP49357.2023.10096494⟩
Communication dans un congrès hal-04368752 v1
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Shannon Strikes Again! Entropy-Based Pruning in Deep Neural Networks for Transfer Learning Under Extreme Memory and Computation Budgets

Gabriele Spadaro , Riccardo Renzulli , Andrea Bragagnolo , Jhony H. Giraldo , Attilio Fiandrotti et al.
Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV) Workshops, Oct 2023, Paris, France. pp.1518-1522
Communication dans un congrès hal-04269159 v1
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Inductive Graph Neural Networks for Moving Object Segmentation

Wieke Prummel , Jhony H. Giraldo , Anastasia Zakharova , Thierry Bouwmans
2023 IEEE International Conference on Image Processing (ICIP), Oct 2023, Kuala Lumpur, Malaysia. pp.2730-2734, ⟨10.1109/ICIP49359.2023.10222668⟩
Communication dans un congrès hal-04263887 v1
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Hypergraph Convolutional Networks for Weakly-Supervised Semantic Segmentation

Jhony Giraldo , Vincenzo Scarrica , Antonino Staiano , Francesco Camastra , Thierry Bouwmans
2022 IEEE International Conference on Image Processing (ICIP), Oct 2022, Bordeaux, France. pp.16-20, ⟨10.1109/ICIP46576.2022.9897774⟩
Communication dans un congrès hal-03841925 v1
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Graph CNN for Moving Object Detection in Complex Environments from Unseen Videos

Jhony Giraldo , Sajid Javed , Naoufel Werghi , Thierry Bouwmans
2021 IEEE/CVF International Conference on Computer Vision Workshops (ICCVW), Oct 2021, Montreal, Canada. pp.225-233, ⟨10.1109/ICCVW54120.2021.00030⟩
Communication dans un congrès hal-03481426 v1

The Emerging Field of Graph Signal Processing for Moving Object Segmentation

Jhony Heriberto Giraldo Zuluaga , Sajid Javed , Maryam Sultana , Soon Ki Jung , Thierry Bouwmans
International Workshop on Frontiers of Computer Vision, IW-FCV 2021, Feb 2021, Daegu, South Korea. pp.31-45, ⟨10.1007/978-3-030-81638-4_3⟩
Communication dans un congrès hal-03423283 v1
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Moving Object Detection for Event-based Vision using Graph Spectral Clustering

Anindya Mondal , Shashant R , Jhony Giraldo , Thierry Bouwmans , Ananda Chowdhury
2021 IEEE/CVF International Conference on Computer Vision Workshops (ICCVW), Oct 2021, Montreal, Canada. pp.876-884, ⟨10.1109/ICCVW54120.2021.00103⟩
Communication dans un congrès hal-03481427 v1

Robust Foreground Segmentation in RGBD Data from Complex Scenes Using Adversarial Networks

Maryam Sultana , Thierry Bouwmans , Jhony Heriberto Giraldo Zuluaga , Soon Ki Jung
International Workshop on Frontiers of Computer Vision, IW-FCV 2021, Feb 2021, Daegu, South Korea. pp.3-16, ⟨10.1007/978-3-030-81638-4_1⟩
Communication dans un congrès hal-03423279 v1
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GraphBGS: Background Subtraction via Recovery of Graph Signals

Jhony H. Giraldo , Thierry Bouwmans
2020 25th International Conference on Pattern Recognition (ICPR), Jan 2021, Milan, Italy. pp.6881-6888, ⟨10.1109/ICPR48806.2021.9412999⟩
Communication dans un congrès hal-03423274 v1
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On the Minimization of Sobolev Norms of Time-Varying Graph Signals: Estimation of New Coronavirus Disease 2019 Cases

Jhony H. Giraldo , Thierry Bouwmans
IEEE International Workshop on Machine Learning for Signal Processing, Sep 2020, Espoo, Finland. pp.1-6, ⟨10.1109/MLSP49062.2020.9231810⟩
Communication dans un congrès hal-04163888 v1

Semi-Supervised Background Subtraction Of Unseen Videos: Minimization Of The Total Variation Of Graph Signals

Jhony Giraldo , Thierry Bouwmans
2020 IEEE International Conference on Image Processing (ICIP), Oct 2020, Abu Dhabi, United Arab Emirates. pp.3224-3228, ⟨10.1109/ICIP40778.2020.9190887⟩
Communication dans un congrès hal-02958697 v1

Sampling of Graph Signals with Blue Noise Dithering

Alejandro Parada-Mayorga , Daniel Lau , Jhony H. Giraldo , Gonzalo Arce
2019 IEEE Data Science Workshop (DSW), Jun 2019, Minneapolis, United States. pp.150-154, ⟨10.1109/DSW.2019.8755603⟩
Communication dans un congrès hal-04163902 v1

Blue-Noise Sampling of Signals on Graphs

Alejandro Parada-Mayorga , Daniel Lau , Jhony H. Giraldo , Gonzalo Arce
2019 13th International conference on Sampling Theory and Applications (SampTA), Jul 2019, Bordeaux, France. pp.1-5, ⟨10.1109/SampTA45681.2019.9030829⟩
Communication dans un congrès hal-04163893 v1
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A Fused Gromov-Wasserstein Approach to Subgraph Contrastive Learning

Amadou S. Sangare , Nicolas Dunou , Jhony H. Giraldo , Fragkiskos D. Malliaros
Transactions on Machine Learning Research Journal, 2025
Article dans une revue hal-05166788 v1

Graph-based Moving Object Segmentation for underwater videos using semi-supervised learning

Meghna Kapoor , Wieke Prummel , Jhony Giraldo , Badri Narayan Subudhi , Anastasia Zakharova et al.
Computer Vision and Image Understanding, 2025, 252, pp.104290. ⟨10.1016/j.cviu.2025.104290⟩
Article dans une revue hal-04893798 v1

Semi-supervised graph learning for underwater source localization using ship-of-opportunity spectrograms

Jhon Castro-Correa , Mohsen Badiey , Jhony Giraldo , Fragkiskos Malliaros
Journal of the Acoustical Society of America, 2025, 158 (3), pp.1836-1848. ⟨10.1121/10.0039042⟩
Article dans une revue hal-05246532 v1
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Piecewise Constant Spectral Graph Neural Network

Vahan Martirosyan , Jhony H Giraldo , Fragkiskos D Malliaros
Transactions on Machine Learning Research Journal, 2025
Article dans une revue hal-05167505 v1
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Gegenbauer Graph Neural Networks for Time-Varying Signal Reconstruction

Jhon Castro-Correa , Jhony Giraldo , Mohsen Badiey , Fragkiskos D. Malliaros
IEEE Transactions on Neural Networks and Learning Systems, 2024, ⟨10.1109/TNNLS.2024.3381069⟩
Article dans une revue hal-04541700 v1
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Estimation of a causal directed acyclic graph process using non-gaussianity

Aref Einizade , Jhony H. Giraldo , Fragkiskos D. Malliaros , Sepideh Hajipour Sardouie
Digital Signal Processing, 2024, 146, pp.104400. ⟨10.1016/j.dsp.2024.104400⟩
Article dans une revue hal-04541701 v1
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Higher-Order GNNs Meet Efficiency: Sparse Sobolev Graph Neural Networks

Jhony Giraldo , Aref Einizade , Andjela Todorovic , Jhon Castro-Correa , Mohsen Badiey et al.
IEEE Transactions on Signal and Information Processing over Networks, 2024, 11, pp.11-22. ⟨10.1109/TSIPN.2024.3503416⟩
Article dans une revue hal-04801077 v1

Uncertainty clustering internal validity assessment using Fréchet distance for unsupervised learning

Nestor Rendon , Jhony H. Giraldo , Thierry Bouwmans , Susana Rodríguez-Buritica , Edison Ramirez et al.
Engineering Applications of Artificial Intelligence, 2023, 124, pp.106635. ⟨10.1016/j.engappai.2023.106635⟩
Article dans une revue hal-04163866 v1

SemiSegSAR: A Semi-supervised Segmentation Algorithm for Ship SAR Images

Marwa Chendeb El Rai , Jhony Giraldo , Mina Al-Saad , Muna Darweech , Thierry Bouwmans
IEEE Geoscience and Remote Sensing Letters, 2022, pp.1-1. ⟨10.1109/LGRS.2022.3185306⟩
Article dans une revue hal-03705490 v1
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Reconstruction of Time-varying Graph Signals via Sobolev Smoothness

Jhony Giraldo , Arif Mahmood , Belmar Garcia-Garcia , Dorina Thanou , Thierry Bouwmans
IEEE Transactions on Signal and Information Processing over Networks, 2022, 8, pp.201-214. ⟨10.1109/TSIPN.2022.3156886⟩
Article dans une revue hal-03603599 v1

Blue-Noise Sampling on Graphs

Alejandro Parada-Mayorga , Daniel Lau , Jhony H. Giraldo , Gonzalo Arce
IEEE Transactions on Signal and Information Processing over Networks, 2019, 5 (3), pp.554-569. ⟨10.1109/TSIPN.2019.2922852⟩
Article dans une revue hal-04163891 v1

Camera-trap images segmentation using multi-layer robust principal component analysis

Jhony H. Giraldo , Augusto Salazar , Alexander Gomez , Angélica Diaz-Pulido
The Visual Computer, 2019, 35 (3), pp.335-347. ⟨10.1007/s00371-017-1463-9⟩
Article dans une revue hal-04163899 v1

Automatic identification of Scenedesmus polymorphic microalgae from microscopic images

Jhony H. Giraldo , Augusto Salazar , German Diez , Alexander Gomez , Tatiana Martínez et al.
Pattern Analysis and Applications, 2018, 21 (2), pp.601-612. ⟨10.1007/s10044-017-0662-3⟩
Article dans une revue hal-04163904 v1

Graph Neural Networks for Moving Objects Detection in Videos

Wieke Prummel , Jhony Giraldo , Anastasia Zakharova , Thierry Bouwmans
Pattern Recognition and Computer Vision in the New AI Era, 09, WORLD SCIENTIFIC, pp.121-143, 2025, Series in Computer Vision, 978-981-98-0714-7. ⟨10.1142/9789819807154_0006⟩
Chapitre d'ouvrage hal-05197402 v1

A Transductive and Inductive GNNs for Physical Moving Objects Detection in Surface Scenes for Digital Twins

Wieke Prummel , Jhony Giraldo , Badri Subudhi , Anastasia Zakharova , Thierry Bouwmans
Digital Twins and Simulation Technology, 1, Chapman and Hall/CRC, pp.133-149, 2025, 9781032949390. ⟨10.1201/9781003582489-10⟩
Chapitre d'ouvrage hal-05115640 v1

Moving Objects Detection in Video Processing: A Graph Signal Processing Approach for Background Subtraction

Jhony Giraldo , Thierry Bouwmans
Artificial Intelligence, 1, Chapman and Hall/CRC, pp.171-181, 2021, ⟨10.1201/9781003140351-18⟩
Chapitre d'ouvrage hal-03481460 v1

Deep learning based background subtraction : a systematic survey

Jhony H. Giraldo , Huu Ton Le , Thierry Bouwmans
Handbook of Pattern Recognition and Computer Vision, 6, WORLD SCIENTIFIC, pp.51-73, 2020, ⟨10.1142/9789811211072_0003⟩
Chapitre d'ouvrage hal-02560128 v1