Human action recognition from various data modalities: A review

Z Sun, Q Ke, H Rahmani, M Bennamoun… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
Human Action Recognition (HAR) aims to understand human behavior and assign a label to
each action. It has a wide range of applications, and therefore has been attracting increasing …

Human activity recognition (har) using deep learning: Review, methodologies, progress and future research directions

P Kumar, S Chauhan, LK Awasthi - Archives of Computational Methods in …, 2024 - Springer
Human activity recognition is essential in many domains, including the medical and smart
home sectors. Using deep learning, we conduct a comprehensive survey of current state …

Motionbert: A unified perspective on learning human motion representations

W Zhu, X Ma, Z Liu, L Liu, W Wu… - Proceedings of the …, 2023 - openaccess.thecvf.com
We present a unified perspective on tackling various human-centric video tasks by learning
human motion representations from large-scale and heterogeneous data resources …

Multi-granularity anchor-contrastive representation learning for semi-supervised skeleton-based action recognition

X Shu, B Xu, L Zhang, J Tang - IEEE Transactions on Pattern …, 2022 - ieeexplore.ieee.org
In the semi-supervised skeleton-based action recognition task, obtaining more
discriminative information from both labeled and unlabeled data is a challenging problem …

Actionlet-dependent contrastive learning for unsupervised skeleton-based action recognition

L Lin, J Zhang, J Liu - … of the IEEE/CVF Conference on …, 2023 - openaccess.thecvf.com
The self-supervised pretraining paradigm has achieved great success in skeleton-based
action recognition. However, these methods treat the motion and static parts equally, and …

Skeletonmae: graph-based masked autoencoder for skeleton sequence pre-training

H Yan, Y Liu, Y Wei, Z Li, G Li… - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
Skeleton sequence representation learning has shown great advantages for action
recognition due to its promising ability to model human joints and topology. However, the …

Contrastive learning from extremely augmented skeleton sequences for self-supervised action recognition

T Guo, H Liu, Z Chen, M Liu, T Wang… - Proceedings of the AAAI …, 2022 - ojs.aaai.org
In recent years, self-supervised representation learning for skeleton-based action
recognition has been developed with the advance of contrastive learning methods. The …

Signbert+: Hand-model-aware self-supervised pre-training for sign language understanding

H Hu, W Zhao, W Zhou, H Li - IEEE Transactions on Pattern …, 2023 - ieeexplore.ieee.org
Hand gesture serves as a crucial role during the expression of sign language. Current deep
learning based methods for sign language understanding (SLU) are prone to over-fitting due …

Masked motion predictors are strong 3d action representation learners

Y Mao, J Deng, W Zhou, Y Fang… - Proceedings of the …, 2023 - openaccess.thecvf.com
In 3D human action recognition, limited supervised data makes it challenging to fully tap into
the modeling potential of powerful networks such as transformers. As a result, researchers …

Spatiotemporal decouple-and-squeeze contrastive learning for semisupervised skeleton-based action recognition

B Xu, X Shu, J Zhang, G Dai… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Contrastive learning has been successfully leveraged to learn action representations for
addressing the problem of semisupervised skeleton-based action recognition. However …