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13,804 results on '"Guo, Yong"'

127. Improving Robustness by Enhancing Weak Subnets

Author

Guo, Yong, Stutz, David, and Schiele, Bernt

Subjects
Computer Science - Computer Vision and Pattern Recognition
Abstract

Despite their success, deep networks have been shown to be highly susceptible to perturbations, often causing significant drops in accuracy. In this paper, we investigate model robustness on perturbed inputs by studying the performance of internal sub-networks (subnets). Interestingly, we observe that most subnets show particularly poor robustness against perturbations. More importantly, these weak subnets are correlated with the overall lack of robustness. Tackling this phenomenon, we propose a new training procedure that identifies and enhances weak subnets (EWS) to improve robustness. Specifically, we develop a search algorithm to find particularly weak subnets and explicitly strengthen them via knowledge distillation from the full network. We show that EWS greatly improves both robustness against corrupted images as well as accuracy on clean data. Being complementary to popular data augmentation methods, EWS consistently improves robustness when combined with these approaches. To highlight the flexibility of our approach, we combine EWS also with popular adversarial training methods resulting in improved adversarial robustness., Comment: To appear in ECCV 2022

Published
2022

128. Pangenome analysis provides insight into the evolution of the orange subfamily and a key gene for citric acid accumulation in citrus fruits

Author

Huang, Yue, He, Jiaxian, Xu, Yuantao, Zheng, Weikang, Wang, Shaohua, Chen, Peng, Zeng, Bin, Yang, Shuizhi, Jiang, Xiaolin, Liu, Zishuang, Wang, Lun, Wang, Xia, Liu, Shengjun, Lu, Zhihao, Liu, Ziang, Yu, Huiwen, Yue, Jianqiang, Gao, Junyan, Zhou, Xianyan, Long, Chunrui, Zeng, Xiuli, Guo, Yong-Jie, Zhang, Wen-Fu, Xie, Zongzhou, Li, Chunlong, Ma, Zhaocheng, Jiao, Wenbiao, Zhang, Fei, Larkin, Robert M., Krueger, Robert R., Smith, Malcolm W., Ming, Ray, Deng, Xiuxin, and Xu, Qiang

Published
2023
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150. On how neural networks enhance quantum state tomography with constrained measurements

Author

Ma, Hailan, Dong, Daoyi, Petersen, Ian R., Huang, Chang-Jiang, and Xiang, Guo-Yong

Subjects
Quantum Physics, Electrical Engineering and Systems Science - Systems and Control
Abstract

Quantum state tomography aiming at reconstructing the density matrix of a quantum state plays an important role in various emerging quantum technologies. Inspired by the intuition that machine learning has favorable robustness and generalization, we propose a deep neural networks based quantum state tomography (DNN-QST) approach, which are applied to three measurement-constrained cases, including few measurement copies and incomplete measurements as well as noisy measurements. Numerical results demonstrate that DNN-QST exhibits a great potential to achieve high fidelity for quantum state tomography with limited measurement resources and can achieve improved estimation when tomographic measurements suffer from noise. In addition, the results for 2-qubit states from quantum optical devices demonstrate the generalization of DNN-QST and its robustness against possible error in the experimental devices.

Published
2021

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