activity
20212026
most citedMMed-RAG: Versatile Multimodal RAG System for Medical Vision Language Models

9 citations · 14 across the 10 of their papers we have counts for

collaborators

10 papers

cs.CV2026

SandwichQuant: Which Parameters Matter Before and After Quantization?

Peng Xia, Junbiao Pang

Quantization correction methods usually optimize weights, quantization parameters, or reconstruction objectives, while the underlying parameter subspaces responsible for effective…

cs.CV2026

Low-Dimensional High-Leverage Subspace Optimization: Beyond Full-Parameter Coupled Training for Neural Network Quantization

Peng Xia, Junbiao Pang, Zheng Huang

Low-bit quantization suffers severe accuracy degradation on compact networks, rooted in the dominant full-parameter coupled training paradigm that ignores parameter subspace hetero…

cs.CV2026

Efficient Tuning Before Low-Bit Post-Training Quantization for Stochastic Gradient Descent-optimized Models

Peng Xia, Junbiao Pang, Muhammad Ayub Sabir

Post-training quantization (PTQ) compresses deep neural networks for deployment under limited memory and computational budgets. However, low-bit (i.e., 2-bit or 4-bit) PTQ often su…

cs.LG2026

Reliable and Responsible Foundation Models: A Comprehensive Survey

Xinyu Yang, Junlin Han, Rishi Bommasani +49

Foundation models, including Large Language Models (LLMs), Multimodal Large Language Models (MLLMs), Image Generative Models (i.e, Text-to-Image Models and Image-Editing Models), a…

cs.LG2025

Agent0: Unleashing Self-Evolving Agents from Zero Data via Tool-Integrated Reasoning

Peng Xia, Kaide Zeng, Jiaqi Liu +5

Large Language Model (LLM) Agents, often trained with Reinforcement Learning (RL), are constrained by a dependency on human-curated data, limiting scalability and tethering AI to h…

cs.CV2025

Efficiently Training A Flat Neural Network Before It has been Quantizated

Peng Xia, Junbiao Pang, Tianyang Cai

Post-training quantization (PTQ) for vision transformers (ViTs) has garnered significant attention due to its efficiency in compressing models. However, existing methods typically…

cs.IR2025

SilverTorch: A Unified Model-based System to Democratize Large-Scale Recommendation on GPUs

Bi Xue, Hong Wu, Lei Chen +29

Serving deep learning based recommendation models (DLRM) at scale is challenging. Existing approaches rely on dedicated ANN indexing and filtering services on CPUs, suffering from…

cs.CV2025

UniUGG: Unified 3D Understanding and Generation via Geometric-Semantic Encoding

Yueming Xu, Jiahui Zhang, Ze Huang +12

Despite the impressive progress on understanding and generating images shown by the recent unified architectures, the integration of 3D tasks remains challenging and largely unexpl…

cs.LG2024★ 9 cited

MMed-RAG: Versatile Multimodal RAG System for Medical Vision Language Models

Peng Xia, Kangyu Zhu, Haoran Li +6

Artificial Intelligence (AI) has demonstrated significant potential in healthcare, particularly in disease diagnosis and treatment planning. Recent progress in Medical Large Vision…

cs.LG2021★ 5 cited

Latency-Aware Neural Architecture Search with Multi-Objective Bayesian Optimization

David Eriksson, Pierce I-Jen Chuang, Samuel Daulton +7

When tuning the architecture and hyperparameters of large machine learning models for on-device deployment, it is desirable to understand the optimal trade-offs between on-device l…