collaborators

6 papers

cs.CV2026

MapReduce LoRA: Advancing the Pareto Front in Multi-Preference Optimization for Generative Models

Chieh-Yun Chen, Zhonghao Wang, Qi Chen +10

Reinforcement learning from human feedback (RLHF) with reward models has advanced alignment of generative models to human aesthetic and perceptual preferences. However, jointly opt…

cs.CV2025

Calibrated Multi-Preference Optimization for Aligning Diffusion Models

Kyungmin Lee, Xiaohang Li, Qifei Wang +7

Aligning text-to-image (T2I) diffusion models with preference optimization is valuable for human-annotated datasets, but the heavy cost of manual data collection limits scalability…

cs.CL2025

AfriMed-QA: A Pan-African, Multi-Specialty, Medical Question-Answering Benchmark Dataset

Tobi Olatunji, Charles Nimo, Abraham Owodunni +23

Recent advancements in large language model(LLM) performance on medical multiple choice question (MCQ) benchmarks have stimulated interest from healthcare providers and patients gl…

cs.CV2025

MALT Diffusion: Memory-Augmented Latent Transformers for Any-Length Video Generation

Sihyun Yu, Meera Hahn, Dan Kondratyuk +6

Diffusion models are successful for synthesizing high-quality videos but are limited to generating short clips (e.g., 2-10 seconds). Synthesizing sustained footage (e.g. over minut…

cs.CV2025

HALO: Human-Aligned End-to-end Image Retargeting with Layered Transformations

Yiran Xu, Siqi Xie, Zhuofang Li +13

Image retargeting aims to change the aspect-ratio of an image while maintaining its content and structure with less visual artifacts. Existing methods still generate many artifacts…

cs.CV2025

Cropper: Vision-Language Model for Image Cropping through In-Context Learning

Seung Hyun Lee, Jijun Jiang, Yiran Xu +10

The goal of image cropping is to identify visually appealing crops in an image. Conventional methods are trained on specific datasets and fail to adapt to new requirements. Recent…