Search Results for author: Runkai Zheng

Found 6 papers, 3 papers with code

Sequential Convolution and Runge-Kutta Residual Architecture for Image Compressed Sensing

1 code implementation ECCV 2020 Runkai Zheng, Yinqi Zhang, Daolang Huang, Qingliang Chen

In recent years, Deep Neural Networks (DNN) have empowered Compressed Sensing (CS) substantially and have achieved high reconstruction quality and speed far exceeding traditional CS methods.

Image Compressed Sensing Image Compression

SpecFormer: Guarding Vision Transformer Robustness via Maximum Singular Value Penalization

no code implementations2 Jan 2024 Xixu Hu, Runkai Zheng, Jindong Wang, Cheuk Hang Leung, Qi Wu, Xing Xie

In this study, we address this gap by introducing SpecFormer, specifically designed to enhance ViTs' resilience against adversarial attacks, with support from carefully derived theoretical guarantees.

Computational Efficiency

On the Robustness of ChatGPT: An Adversarial and Out-of-distribution Perspective

1 code implementation22 Feb 2023 Jindong Wang, Xixu Hu, Wenxin Hou, Hao Chen, Runkai Zheng, Yidong Wang, Linyi Yang, Haojun Huang, Wei Ye, Xiubo Geng, Binxin Jiao, Yue Zhang, Xing Xie

In this paper, we conduct a thorough evaluation of the robustness of ChatGPT from the adversarial and out-of-distribution (OOD) perspective.

Adversarial Robustness Chatbot +1

Bayesian Optimization Augmented with Actively Elicited Expert Knowledge

no code implementations18 Aug 2022 Daolang Huang, Louis Filstroff, Petrus Mikkola, Runkai Zheng, Samuel Kaski

We design a multi-task learning architecture for this task, with the goal of jointly eliciting the expert knowledge and minimizing the objective function.

Bayesian Optimization Multi-Task Learning

Data-free Backdoor Removal based on Channel Lipschitzness

2 code implementations5 Aug 2022 Runkai Zheng, Rongjun Tang, Jianze Li, Li Liu

Pruning these channels was then shown to be effective in mitigating the backdoor behaviors.

Learning Class Unique Features in Fine-Grained Visual Classification

no code implementations22 Nov 2020 Runkai Zheng, Zhijia Yu, Yinqi Zhang, Chris Ding, Hei Victor Cheng, Li Liu

A major challenge in Fine-Grained Visual Classification (FGVC) is distinguishing various categories with high inter-class similarity by learning the feature that differentiate the details.

Classification Fine-Grained Image Classification +1

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