Hichem Sahbi

160 papers 113 citations h-index 5 2000–2026

Learning Connectivity with Graph Convolutional Networks for Skeleton-based Action Recognition

Learning graph convolutional networks (GCNs) is an emerging field which aims at generalizing convolutional operations to arbitrary non-regular domains. In particular, GCNs operating on spatial...

Extracting Effective Subnetworks with Gumbel-Softmax

Large and performant neural networks are often overparameterized and can be drastically reduced in size and complexity thanks to pruning. Pruning is a group of methods, which seeks to remove...

FFNB: Forgetting-Free Neural Blocks for Deep Continual Visual Learning

Deep neural networks (DNNs) have recently achieved a great success in computer vision and several related fields. Despite such progress, current neural architectures still suffer from catastrophic...

7 citations 2021-11 British Machine Vision Conference

Active learning for interactive satellite image change detection

We introduce in this paper a novel active learning algorithm for satellite image change detection. The proposed solution is interactive and based on a question and answer model, which asks an...

6 citations 2021-10 arXiv.org

Skeleton-based Hand-Gesture Recognition with Lightweight Graph Convolutional Networks

Graph convolutional networks (GCNs) aim at extending deep learning to arbitrary irregular domains, namely graphs. Their success is highly dependent on how the topology of input graphs is defined...

4 citations 2021-04 arXiv.org

Lightweight Graph Convolutional Networks with Topologically Consistent Magnitude Pruning

Graph convolution networks (GCNs) are currently mainstream in learning with irregular data. These models rely on message passing and attention mechanisms that capture context and node-to-node...

1 citations 2022-03 arXiv.org

Reinforcement-based frugal learning for satellite image change detection

In this paper, we introduce a novel interactive satellite image change detection algorithm based on active learning. The proposed approach is iterative and asks the user (oracle) questions about...

1 citations 2022-03 arXiv.org

Weight Reparametrization for Budget-Aware Network Pruning

Pruning seeks to design lightweight architectures by removing redundant weights in overparameterized networks. Most of the existing techniques first remove structured sub-networks (filters,...

Learning Chebyshev Basis in Graph Convolutional Networks for Skeleton-based Action Recognition

Spectral graph convolutional networks (GCNs) are particular deep models which aim at extending neural networks to arbitrary irregular domains. The principle of these networks consists in...

2 citations 2021-04 arXiv.org

Human Action Recognition with Multi-Laplacian Graph Convolutional Networks

Convolutional neural networks are nowadays witnessing a major success in different pattern recognition problems. These learning models were basically designed to handle vectorial data such as...

4 citations 2019-10 arXiv (Cornell University)

Action Recognition with Kernel-based Graph Convolutional Networks

Learning graph convolutional networks (GCNs) is an emerging field which aims at generalizing deep learning to arbitrary non-regular domains. Most of the existing GCNs follow a neighborhood...

1 citations 2020-12 arXiv.org

Image Annotation based on Deep Hierarchical Context Networks

Context modeling is one of the most fertile subfields of visual recognition which aims at designing discriminant image representations while incorporating their intrinsic and extrinsic...

1 citations 2020-12 arXiv.org

Deep Context-Aware Kernel Networks

Context plays a crucial role in visual recognition as it provides complementary clues for different learning tasks including image classification and annotation. As the performances of these tasks...

2 citations 2019-12 arXiv.org

Totally Deep Support Vector Machines

Support vector machines (SVMs) have been successful in solving many computer vision tasks including image and video category recognition especially for small and mid-scale training problems. The...

2 citations 2019-12 arXiv.org

Stochastic Graphlet Embedding

Graph-based methods are known to be successful in many machine learning and pattern classification tasks. These methods consider semi-structured data as graphs where nodes correspond to primitives...

30 citations 2017-02 IEEE TNNLS, pages 1-14, 2018

Human Action Recognition with Deep Temporal Pyramids

Deep convolutional neural networks (CNNs) are nowadays achieving significant leaps in different pattern recognition tasks including action recognition. Current CNNs are increasingly deeper,...

2 citations 2019-05 arXiv (Cornell University)

Canonical Correlation Analysis for Misaligned Satellite Image Change Detection

Canonical correlation analysis (CCA) is a statistical learning method that seeks to build view-independent latent representations from multi-view data. This method has been successfully applied to...

2 citations 2018-12 arXiv.org