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Hongliang Fei

7 accepted papers

2026

Designing Instance-Level Sampling Schedules via REINFORCE with James-Stein Shrinkage

CVPR 2026

Most post-training methods for text-to-image samplers focus on the model weights: either fine-tuning the backbone for alignment or distilling it for few-step efficiency. We take a different route: rescheduling the sampling timeline of a frozen sampler. Instead of a fixed, global schedule, we learn i

Cited by 0SourceScholar
2025

AMO Sampler: Enhancing Text Rendering with Overshooting

CVPR 2025poster

Achieving precise alignment between textual instructions and generated images in text-to-image generation is a significant challenge, particularly in rendering written text within images. Open-source models like Stable Diffusion 3 (SD3), Flux, and AuraFlow often struggle with accurate text depiction…

2025

Improving Rectified Flow with Boundary Conditions

ICCV 2025poster

Rectified Flow offers a simple and effective approach to high-quality generative modeling by learning a velocity field. However,we identify a limitation in directly modeling the velocity with an unconstrained neural network: the learned velocity often fails to satisfy certain boundary conditions, le…

Cited by 0SourcePDFScholar
2022

PromptGen: Automatically Generate Prompts using Generative Models

NAACL 2022findings

Recently, prompt learning has received significant attention, where the downstream tasks are reformulated to the mask-filling task with the help of a textual prompt. The key point of prompt learning is finding the most appropriate prompt. This paper proposes a novel model PromptGen, which can automa…

Cited by 27SourcePDFScholar
2021

A Deep Decomposable Model for Disentangling Syntax and Semantics in Sentence Representation

EMNLP 2021finding

Recently, disentanglement based on a generative adversarial network or a variational autoencoder has significantly advanced the performance of diverse applications in CV and NLP domains. Nevertheless, those models still work on coarse levels in the disentanglement of closely related properties, such…

Cited by 7SourcePDFScholar