no code implementations • 8 Apr 2024 • Jingxin Wang, Renxiang Guan, Kainan Gao, Zihao Li, Hao Li, Xianju Li, Chang Tang
Multi-level graph subspace contrastive learning: multi-level contrastive learning was conducted to obtain local-global joint graph representations, to improve the consistency of the positive samples between views, and to obtain more robust graph embeddings.
no code implementations • 1 Apr 2024 • Renxiang Guan, Zihao Li, Chujia Song, Guo Yu, Xianju Li, Ruyi Feng
Specifically, we fused the spectral and spatial features extracted by the 1D- and 2D-encoder, and the 2D-encoder includes an attention model to automatically extract important information.
no code implementations • 3 Mar 2024 • Xianju Li, Renxiang Guan, Zihao Li, Hao liu, Jing Yang
In conclusion, the proposed model can effectively improve the clustering ac-curacy of HSI.
no code implementations • 15 Dec 2023 • Renxiang Guan, Zihao Li, Xianju Li, Chang Tang
The pixel-level contrastive learning method can effectively improve the ability of the model to capture fine features of HSI but requires a large time overhead.
no code implementations • 11 Dec 2023 • Renxiang Guan, Zihao Li, Xianju Li, Chang Tang, Ruyi Feng
In this study, contrastive multi-view subspace clustering of HSI was proposed based on graph convolutional networks.
1 code implementation • 16 Nov 2023 • Zhenglai Li, Chang Tang, Xinwang Liu, Changdong Li, Xianju Li, Wei zhang
How to capture the semantic variations associated with the changed and unchanged regions from the patch-level annotations to obtain promising change results is the critical challenge for the weakly supervised change detection task.
1 code implementation • 31 May 2023 • Zhenglai Li, Chang Tang, Xianju Li, Weiying Xie, Kun Sun, Xinzhong Zhu
Specifically, an online uncertainty estimation branch is constructed to model the pixel-wise uncertainty, which is supervised by the difference between predicted change maps and corresponding ground truth during the training process.