Search Results for author: Anqi Zhao

Found 3 papers, 1 papers with code

Dynamic Visual Semantic Sub-Embeddings and Fast Re-Ranking

no code implementations15 Sep 2023 Wenzhang Wei, Zhipeng Gui, Changguang Wu, Anqi Zhao, Dehua Peng, Huayi Wu

In this work, we propose a Dynamic Visual Semantic Sub-Embeddings framework (DVSE) to reduce the information entropy.

Image-text matching Re-Ranking +3

Minimizing Maximum Model Discrepancy for Transferable Black-box Targeted Attacks

1 code implementation CVPR 2023 Anqi Zhao, Tong Chu, Yahao Liu, Wen Li, Jingjing Li, Lixin Duan

On the algorithmic side, we derive a new algorithm for black-box targeted attacks based on our theoretical analysis, in which we additionally minimize the maximum model discrepancy(M3D) of the substitute models when training the generator to generate adversarial examples.

Neyman-Pearson Classification under High-Dimensional Settings

no code implementations13 Aug 2015 Anqi Zhao, Yang Feng, Lie Wang, Xin Tong

Most existing binary classification methods target on the optimization of the overall classification risk and may fail to serve some real-world applications such as cancer diagnosis, where users are more concerned with the risk of misclassifying one specific class than the other.

Binary Classification Classification +4

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