Search Results for author: Zhongyun Hua

Found 4 papers, 0 papers with code

IBD-PSC: Input-level Backdoor Detection via Parameter-oriented Scaling Consistency

no code implementations16 May 2024 Linshan Hou, Ruili Feng, Zhongyun Hua, Wei Luo, Leo Yu Zhang, Yiming Li

Deep neural networks (DNNs) are vulnerable to backdoor attacks, where adversaries can maliciously trigger model misclassifications by implanting a hidden backdoor during model training.

Defense without Forgetting: Continual Adversarial Defense with Anisotropic & Isotropic Pseudo Replay

no code implementations2 Apr 2024 YuHang Zhou, Zhongyun Hua

In this paper, we discuss for the first time the concept of continual adversarial defense under a sequence of attacks, and propose a lifelong defense baseline called Anisotropic \& Isotropic Replay (AIR), which offers three advantages: (1) Isotropic replay ensures model consistency in the neighborhood distribution of new data, indirectly aligning the output preference between old and new tasks.

Adversarial Defense

Uformer-ICS: A Specialized U-Shaped Transformer for Image Compressive Sensing

no code implementations5 Sep 2022 Kuiyuan Zhang, Zhongyun Hua, Yuanman Li, Yushu Zhang, Yicong Zhou

We develop a projection-based transformer block by integrating the prior projection knowledge of CS into the original transformer blocks, and then build a symmetrical reconstruction model using the projection-based transformer blocks and residual convolutional blocks.

Compressive Sensing

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