collaborators

5 papers

cs.CV2026

CoRDS: Coreset-based Representative and Diverse Selection for Streaming Video Understanding

Ailar Mahdizadeh, Puria Azadi, Muchen Li +2

Streaming video understanding with large vision-language models (VLMs) requires a compact memory that can support future reasoning over an ever-growing visual history. A common sol…

cs.CV2026

All in One: A Unified Synthetic Data Pipeline for Multimodal Video Understanding

Tanzila Rahman, Renjie Liao, Leonid Sigal

Training multimodal large language models (MLLMs) for video understanding requires large-scale annotated data spanning diverse tasks such as object counting, question answering, an…

cs.CV2025

Free Lunch Alignment of Text-to-Image Diffusion Models without Preference Image Pairs

Jia Jun Cheng Xian, Muchen Li, Haotian Yang +4

Recent advances in diffusion-based text-to-image (T2I) models have led to remarkable success in generating high-quality images from textual prompts. However, ensuring accurate alig…

cs.CV2025

Joint Generative Modeling of Grounded Scene Graphs and Images via Diffusion Models

Bicheng Xu, Qi Yan, Renjie Liao +2

We introduce a framework for joint grounded scene graph - image generation, a challenging task involving high-dimensional, multi-modal structured data. To effectively model this co…

cs.CL2025

Leveraging Online Olympiad-Level Math Problems for LLMs Training and Contamination-Resistant Evaluation

Sadegh Mahdavi, Muchen Li, Kaiwen Liu +3

Advances in Large Language Models (LLMs) have sparked interest in their ability to solve Olympiad-level math problems. However, the training and evaluation of these models are cons…