Search Results for author: Tianci Liu

Found 7 papers, 1 papers with code

Towards Poisoning Fair Representations

no code implementations28 Sep 2023 Tianci Liu, Haoyu Wang, Feijie Wu, Hengtong Zhang, Pan Li, Lu Su, Jing Gao

Fair machine learning seeks to mitigate model prediction bias against certain demographic subgroups such as elder and female.

Bilevel Optimization Data Poisoning +2

SimFair: A Unified Framework for Fairness-Aware Multi-Label Classification

no code implementations19 Feb 2023 Tianci Liu, Haoyu Wang, Yaqing Wang, Xiaoqian Wang, Lu Su, Jing Gao

This new framework utilizes data that have similar labels when estimating fairness on a particular label group for better stability, and can unify DP and EOp.

Classification Fairness +1

Optimization for Amortized Inverse Problems

no code implementations25 Oct 2022 Tianci Liu, Tong Yang, Quan Zhang, Qi Lei

Incorporating a deep generative model as the prior distribution in inverse problems has established substantial success in reconstructing images from corrupted observations.

Denoising

Density Regression and Uncertainty Quantification with Bayesian Deep Noise Neural Networks

no code implementations12 Jun 2022 Daiwei Zhang, Tianci Liu, Jian Kang

Deep neural network (DNN) models have achieved state-of-the-art predictive accuracy in a wide range of supervised learning applications.

regression Uncertainty Quantification

PANOM: Automatic Hyper-parameter Tuning for Inverse Problems

no code implementations NeurIPS Workshop Deep_Invers 2021 Tianci Liu, Quan Zhang, Qi Lei

Automated hyper-parameter tuning for unsupervised learning, including inverse problems, remains a long-standing open problem due to the lack of validation data.

Bilevel Optimization

An Empirical Comparison of GANs and Normalizing Flows for Density Estimation

1 code implementation17 Jun 2020 Tianci Liu, Jeffrey Regier

Generative adversarial networks (GANs) and normalizing flows are both approaches to density estimation that use deep neural networks to transform samples from an uninformative prior distribution to an approximation of the data distribution.

Density Estimation

Cannot find the paper you are looking for? You can Submit a new open access paper.