Search Results for author: Pengrui Quan

Found 3 papers, 0 papers with code

On the amplification of security and privacy risks by post-hoc explanations in machine learning models

no code implementations28 Jun 2022 Pengrui Quan, Supriyo Chakraborty, Jeya Vikranth Jeyakumar, Mani Srivastava

A variety of explanation methods have been proposed in recent years to help users gain insights into the results returned by neural networks, which are otherwise complex and opaque black-boxes.

Model extraction

Towards Imperceptible Query-limited Adversarial Attacks with Perceptual Feature Fidelity Loss

no code implementations31 Jan 2021 Pengrui Quan, Ruiming Guo, Mani Srivastava

Recently, there has been a large amount of work towards fooling deep-learning-based classifiers, particularly for images, via adversarial inputs that are visually similar to the benign examples.

Efficient Optimization Methods for Extreme Similarity Learning with Nonlinear Embeddings

no code implementations26 Oct 2020 Bowen Yuan, Yu-Sheng Li, Pengrui Quan, Chih-Jen Lin

We study the problem of learning similarity by using nonlinear embedding models (e. g., neural networks) from all possible pairs.

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