Search Results for author: Chris Xing Tian

Found 4 papers, 1 papers with code

Neuron Activation Coverage: Rethinking Out-of-distribution Detection and Generalization

1 code implementation5 Jun 2023 Yibing Liu, Chris Xing Tian, Haoliang Li, Lei Ma, Shiqi Wang

The out-of-distribution (OOD) problem generally arises when neural networks encounter data that significantly deviates from the training data distribution, i. e., in-distribution (InD).

Out-of-Distribution Detection

Generalization Beyond Feature Alignment: Concept Activation-Guided Contrastive Learning

no code implementations13 Nov 2022 Yibing Liu, Chris Xing Tian, Haoliang Li, Shiqi Wang

Specifically, by treating feature elements as neuron activation states, we show that conventional alignment methods tend to deteriorate the diversity of learned invariant features, as they indiscriminately minimize all neuron activation differences.

Contrastive Learning Domain Generalization

Privacy-Preserving Constrained Domain Generalization via Gradient Alignment

no code implementations14 May 2021 Chris Xing Tian, Haoliang Li, YuFei Wang, Shiqi Wang

However, due to the issue of limited dataset availability and the strict legal and ethical requirements for patient privacy protection, the broad applications of medical imaging classification driven by DNN with large-scale training data have been largely hindered.

Domain Generalization Federated Learning +3

Neuron Coverage-Guided Domain Generalization

no code implementations27 Feb 2021 Chris Xing Tian, Haoliang Li, Xiaofei Xie, Yang Liu, Shiqi Wang

More specifically, by treating the DNN as a program and each neuron as a functional point of the code, during the network training we aim to improve the generalization capability by maximizing the neuron coverage of DNN with the gradient similarity regularization between the original and augmented samples.

DNN Testing Domain Generalization

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