Jhony H. Giraldo

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Publications

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Subgraph Gaussian Embedding Contrast for Self-supervised Graph Representation Learning

Shifeng Xie , Aref Einizade , Jhony Giraldo

Joint European Conference on Machine Learning and Knowledge Discovery in Databases, Sep 2025, Porto, France. pp.430-447, ⟨10.1007/978-3-032-06106-5_25⟩

Communication dans un congrès hal-05490526v1
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Continuous Simplicial Neural Networks

Aref Einizade , Dorina Thanou , Fragkiskos D Malliaros , Jhony Heriberto Giraldo Zuluaga

NeurIPS 2025 - 39th Annual Conference on Neural Information Processing Systems, Dec 2025, San Diego, United States

Communication dans un congrès hal-05464217v1
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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-05166733v1
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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-05160415v1
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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-05166701v1
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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-04541703v1

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-05016959v1
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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-05167525v1
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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-05166688v1
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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-04756448v1

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-05016997v1
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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-04896043v1
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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-04794154v1
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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-04794160v1

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-04536908v1
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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-04368752v1
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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-04263891v1
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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-04269170v1
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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-04368767v1
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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-04269159v1
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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-04263887v1
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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-03841925v1
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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-03481426v1

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-03423283v1

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-03423279v1
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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-03481427v1
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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-03423274v1

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-02958697v1
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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-04163888v1

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-04163902v1

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-04163893v1
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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-05246532v1

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-04893798v1

TEP-ones: A simple yet effective approach for transferability estimation of pruned backbones

Gabriele Spadaro , Andrea Bragagnolo , Riccardo Renzulli , Marco Grangetto , Jhony Giraldo et al.

Neurocomputing, 2025, 668, pp.132209:01-132209-13. ⟨10.1016/j.neucom.2025.132209⟩

Article dans une revue hal-05396339v1
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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-05167505v1
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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-05166788v1
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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-04541701v1
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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-04541700v1
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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-04801077v1

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-04163866v1

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-03705490v1
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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-03603599v1

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-04163891v1

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-04163899v1

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-04163904v1

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-05197402v1

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-05115640v1

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-03481460v1

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-02560128v1