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Xiang Fan

4 accepted papers

2025

Contrastive Flow Matching

ICCV 2025poster

Unconditional flow matching trains diffusion models to transport samples from a source distribution to a target distribution by enforcing that the flows between sample pairs are unique. However, in conditional settings (e.g., class-conditioned models), this uniqueness is no longer guaranteed--flows…

2023

Nano: Nested Human-in-the-Loop Reward Learning for Few-shot Language Model Control

ACL 2023findings

Pretrained language models have demonstrated extraordinary capabilities in language generation. However, real-world tasks often require controlling the distribution of generated text in order to mitigate bias, promote fairness, and achieve personalization. Existing techniques for controlling the dis…

2023

Quantifying & Modeling Multimodal Interactions: An Information Decomposition Framework

NeurIPS 2023poster

The recent explosion of interest in multimodal applications has resulted in a wide selection of datasets and methods for representing and integrating information from different modalities. Despite these empirical advances, there remain fundamental research questions: How can we quantify the interact…

2021

MultiBench: Multiscale Benchmarks for Multimodal Representation Learning

NeurIPS 2021poster

Learning multimodal representations involves integrating information from multiple heterogeneous sources of data. It is a challenging yet crucial area with numerous real-world applications in multimedia, affective computing, robotics, finance, human-computer interaction, and healthcare. Unfortunatel…

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