Search Results for author: Hangzhou He

Found 4 papers, 2 papers with code

Scribble Hides Class: Promoting Scribble-Based Weakly-Supervised Semantic Segmentation with Its Class Label

1 code implementation27 Feb 2024 Xinliang Zhang, Lei Zhu, Hangzhou He, Lujia Jin, Yanye Lu

In this study, we propose a class-driven scribble promotion network, which utilizes both scribble annotations and pseudo-labels informed by image-level classes and global semantics for supervision.

Segmentation Weakly supervised Semantic Segmentation +1

On the Duality Between Sharpness-Aware Minimization and Adversarial Training

1 code implementation23 Feb 2024 Yihao Zhang, Hangzhou He, Jingyu Zhu, Huanran Chen, Yifei Wang, Zeming Wei

Instead of perturbing the samples, Sharpness-Aware Minimization (SAM) perturbs the model weights during training to find a more flat loss landscape and improve generalization.

Adversarial Robustness

Multi-level Asymmetric Contrastive Learning for Volumetric Medical Image Segmentation Pre-training

no code implementations21 Sep 2023 Shuang Zeng, Lei Zhu, Xinliang Zhang, Qian Chen, Hangzhou He, Lujia Jin, Zifeng Tian, Qiushi Ren, Zhaoheng Xie, Yanye Lu

Moreover, we develop a multi-level contrastive learning strategy that integrates correspondences across feature-level, image-level, and pixel-level representations to ensure the encoder and decoder capture comprehensive details from representations of varying scales and granularities during the pre-training phase.

Contrastive Learning Decoder +4

Branches Mutual Promotion for End-to-End Weakly Supervised Semantic Segmentation

no code implementations9 Aug 2023 Lei Zhu, Hangzhou He, Xinliang Zhang, Qian Chen, Shuang Zeng, Qiushi Ren, Yanye Lu

Existing methods adopt an online-trained classification branch to provide pseudo annotations for supervising the segmentation branch.

Classification Segmentation +3

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