Search Results for author: Zeliang Zhang

Found 14 papers, 7 papers with code

Forward Learning for Gradient-based Black-box Saliency Map Generation

no code implementations22 Mar 2024 Zeliang Zhang, Mingqian Feng, Jinyang Jiang, Rongyi Zhu, Yijie Peng, Chenliang Xu

Gradient-based saliency maps are widely used to explain deep neural network decisions.

Discover and Mitigate Multiple Biased Subgroups in Image Classifiers

1 code implementation19 Mar 2024 Zeliang Zhang, Mingqian Feng, Zhiheng Li, Chenliang Xu

Discovering biased subgroups is the key to understanding models' failure modes and further improving models' robustness.

Dimensionality Reduction Subgroup Discovery

Approximated Likelihood Ratio: A Forward-Only and Parallel Framework for Boosting Neural Network Training

no code implementations18 Mar 2024 Zeliang Zhang, Jinyang Jiang, Zhuo Liu, Susan Liang, Yijie Peng, Chenliang Xu

In this paper, we introduce an approximation technique for the likelihood ratio (LR) method to alleviate computational and memory demands in gradient estimation.

Bag of Tricks to Boost Adversarial Transferability

no code implementations16 Jan 2024 Zeliang Zhang, Rongyi Zhu, Wei Yao, Xiaosen Wang, Chenliang Xu

In this work, we find that several tiny changes in the existing adversarial attacks can significantly affect the attack performance, \eg, the number of iterations and step size.

Video Understanding with Large Language Models: A Survey

1 code implementation29 Dec 2023 Yunlong Tang, Jing Bi, Siting Xu, Luchuan Song, Susan Liang, Teng Wang, Daoan Zhang, Jie An, Jingyang Lin, Rongyi Zhu, Ali Vosoughi, Chao Huang, Zeliang Zhang, Feng Zheng, JianGuo Zhang, Ping Luo, Jiebo Luo, Chenliang Xu

With the burgeoning growth of online video platforms and the escalating volume of video content, the demand for proficient video understanding tools has intensified markedly.

Video Understanding

Scalable CP Decomposition for Tensor Learning using GPU Tensor Cores

no code implementations22 Nov 2023 Zeliang Zhang, Zhuo Liu, Susan Liang, Zhiyuan Wang, Yifan Zhu, Chen Ding, Chenliang Xu

However, the application of tensor decomposition is largely hindered by the exponential increment of the computational complexity and storage consumption with the size of tensors.

Computational Efficiency Tensor Decomposition

Structure Invariant Transformation for better Adversarial Transferability

2 code implementations ICCV 2023 Xiaosen Wang, Zeliang Zhang, Jianping Zhang

In this work, we find that the existing input transformation based attacks transform the input image globally, resulting in limited diversity of the transformed images.

Adversarial Attack

One Forward is Enough for Neural Network Training via Likelihood Ratio Method

no code implementations15 May 2023 Jinyang Jiang, Zeliang Zhang, Chenliang Xu, Zhaofei Yu, Yijie Peng

While backpropagation (BP) is the mainstream approach for gradient computation in neural network training, its heavy reliance on the chain rule of differentiation constrains the designing flexibility of network architecture and training pipelines.

Diversifying the High-level Features for better Adversarial Transferability

2 code implementations20 Apr 2023 Zhiyuan Wang, Zeliang Zhang, Siyuan Liang, Xiaosen Wang

Incorporated into the input transformation-based attacks, DHF generates more transferable adversarial examples and outperforms the baselines with a clear margin when attacking several defense models, showing its generalization to various attacks and high effectiveness for boosting transferability.

Vocal Bursts Intensity Prediction

A Novel Noise Injection-based Training Scheme for Better Model Robustness

no code implementations17 Feb 2023 Zeliang Zhang, Jinyang Jiang, Minjie Chen, Zhiyuan Wang, Yijie Peng, Zhaofei Yu

Noise injection-based method has been shown to be able to improve the robustness of artificial neural networks in previous work.

Adversarial Robustness Computational Efficiency

Improving Adversarial Transferability with Scheduled Step Size and Dual Example

no code implementations30 Jan 2023 Zeliang Zhang, Peihan Liu, Xiaosen Wang, Chenliang Xu

Motivated by this finding, we argue that the information of adversarial perturbations near the benign sample, especially the direction, benefits more on the transferability.

Adversarial Attack

How Robust is your Fair Model? Exploring the Robustness of Diverse Fairness Strategies

1 code implementation11 Jul 2022 Edward Small, Wei Shao, Zeliang Zhang, Peihan Liu, Jeffrey Chan, Kacper Sokol, Flora Salim

Recent studies have shown that robustness (the ability for a model to perform well on unseen data) plays a significant role in the type of strategy that should be used when approaching a new problem and, hence, measuring the robustness of these strategies has become a fundamental problem.

Decision Making Fairness +1

Triangle Attack: A Query-efficient Decision-based Adversarial Attack

1 code implementation13 Dec 2021 Xiaosen Wang, Zeliang Zhang, Kangheng Tong, Dihong Gong, Kun He, Zhifeng Li, Wei Liu

Decision-based attack poses a severe threat to real-world applications since it regards the target model as a black box and only accesses the hard prediction label.

Adversarial Attack Dimensionality Reduction

Noise Optimization for Artificial Neural Networks

1 code implementation6 Feb 2021 Li Xiao, Zeliang Zhang, Yijie Peng

Adding noises to artificial neural network(ANN) has been shown to be able to improve robustness in previous work.

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