Search Results for author: Lilang Lin

Found 6 papers, 2 papers with code

Prompted Contrast with Masked Motion Modeling: Towards Versatile 3D Action Representation Learning

no code implementations8 Aug 2023 Jiahang Zhang, Lilang Lin, Jiaying Liu

Moreover, combining these two paradigms in a naive manner leaves the synergy between them untapped and can lead to interference in training.

Action Understanding Contrastive Learning +2

Actionlet-Dependent Contrastive Learning for Unsupervised Skeleton-Based Action Recognition

no code implementations CVPR 2023 Lilang Lin, Jiahang Zhang, Jiaying Liu

However, these methods treat the motion and static parts equally, and lack an adaptive design for different parts, which has a negative impact on the accuracy of action recognition.

Action Recognition Contrastive Learning +2

Hierarchical Consistent Contrastive Learning for Skeleton-Based Action Recognition with Growing Augmentations

1 code implementation24 Nov 2022 Jiahang Zhang, Lilang Lin, Jiaying Liu

In this paper, we investigate the potential of adopting strong augmentations and propose a general hierarchical consistent contrastive learning framework (HiCLR) for skeleton-based action recognition.

Action Recognition Contrastive Learning +1

S$^{5}$Mars: Semi-Supervised Learning for Mars Semantic Segmentation

no code implementations4 Jul 2022 Jiahang Zhang, Lilang Lin, Zejia Fan, Wenjing Wang, Jiaying Liu

We first present a newdataset S5Mars for Semi-SuperviSed learning on Mars Semantic Segmentation, which contains 6K high-resolution images and is sparsely annotated based on confidence, ensuring the high quality of labels.

Representation Learning Segmentation +2

Semi-Supervised Learning for Mars Imagery Classification and Segmentation

no code implementations5 Jun 2022 Wenjing Wang, Lilang Lin, Zejia Fan, Jiaying Liu

For segmentation, we extend supervised inter-class contrastive learning into an element-wise mode and use online pseudo labels for supervision on unlabeled areas.

Classification Contrastive Learning +2

MS$^2$L: Multi-Task Self-Supervised Learning for Skeleton Based Action Recognition

1 code implementation12 Oct 2020 Lilang Lin, Sijie Song, Wenhan Yan, Jiaying Liu

To realize this goal, we integrate motion prediction, jigsaw puzzle recognition, and contrastive learning to learn skeleton features from different aspects.

Action Recognition Contrastive Learning +4

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