Search Results for author: Fengchun Qiao

Found 8 papers, 4 papers with code

Topology-aware Robust Optimization for Out-of-distribution Generalization

1 code implementation26 Jul 2023 Fengchun Qiao, Xi Peng

Out-of-distribution (OOD) generalization is a challenging machine learning problem yet highly desirable in many high-stake applications.

Out-of-Distribution Generalization Semantic Segmentation

Calibrating Probabilistic Embeddings for Cross-Modal Retrieval

no code implementations29 Sep 2021 Fengchun Qiao, Xi Peng

The key idea is to estimate the density ratio between the distributions of the two modalities, and use it to calibrate the similarity measurement in the embedding space.

Cross-Modal Retrieval Retrieval

Out-of-Domain Generalization from a Single Source: An Uncertainty Quantification Approach

no code implementations5 Aug 2021 Xi Peng, Fengchun Qiao, Long Zhao

We are concerned with a worst-case scenario in model generalization, in the sense that a model aims to perform well on many unseen domains while there is only one single domain available for training.

Domain Generalization Image Classification +5

Uncertainty-guided Model Generalization to Unseen Domains

no code implementations CVPR 2021 Fengchun Qiao, Xi Peng

To the best of our knowledge, this is the first work to (1) access the generalization uncertainty from a single source and (2) leverage it to guide both input and label augmentation for robust generalization.

Domain Generalization Image Classification +6

Uncertain Out-of-Domain Generalization

no code implementations1 Jan 2021 Fengchun Qiao, Xi Peng

To the best of our knowledge, this is the first work to (1) access the generalization uncertainty from a single source and (2) leverage it to guide both input and label augmentation for robust generalization.

Domain Generalization Image Classification +5

Learning to Learn Single Domain Generalization

1 code implementation CVPR 2020 Fengchun Qiao, Long Zhao, Xi Peng

We are concerned with a worst-case scenario in model generalization, in the sense that a model aims to perform well on many unseen domains while there is only one single domain available for training.

Domain Generalization Meta-Learning

Geometry-Contrastive GAN for Facial Expression Transfer

1 code implementation6 Feb 2018 Fengchun Qiao, Naiming Yao, Zirui Jiao, Zhihao LI, Hui Chen, Hongan Wang

Geometry information is introduced into cGANs as continuous conditions to guide the generation of facial expressions.

Contrastive Learning Generative Adversarial Network

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