activity
20232026
most citedCRoFT: Robust Fine-Tuning with Concurrent Optimization for OOD Generalization and Open-Set OOD Detection

3 citations · 5 across the 13 of their papers we have counts for

collaborators

14 papers

cs.CV2026

Logit-Attention Divergence: Mitigating Position Bias in Multi-Image Retrieval via Attention-Guided Calibration

Mingtao Xian, Yifeng Yang, Qinying Gu +2

Multimodal Large Language Models (MLLMs) have shown strong performance in multi-image cross-modal retrieval, yet suffer from severe position bias, where predictions are dominated b…

cs.CV2026

TINS: Test-time ID-prototype-separated Negative Semantics Learning for OOD Detection

Yifeng Yang, Jubo Feng, Jing Xu +3

Vision-language models enable OOD detection by comparing image alignment with ID labels and negative semantics. Existing negative-label-based methods mainly rely on static negative…

cs.LG2026

Proximal Action Replacement for Behavior Cloning Actor-Critic in Offline Reinforcement Learning

Jinzong Dong, Wei Huang, Jianshu Zhang +5

Offline reinforcement learning (RL), which optimizes policies using a previously collected static dataset, is an important branch of RL. A popular and promising approach is to regu…

cs.CV2025

: Optimizing Energy Change During Vision-Language Alignment Improves both OOD Detection and OOD Generalization

Lin Zhu, Yifeng Yang, Xinbing Wang +2

Recent approaches for vision-language models (VLMs) have shown remarkable success in achieving fast downstream adaptation. When applied to real-world downstream tasks, VLMs inevita…

cs.RO2025

Learning Primitive Embodied World Models: Towards Scalable Robotic Learning

Qiao Sun, Liujia Yang, Wei Tang +12

While video-generation-based embodied world models have gained increasing attention, their reliance on large-scale embodied interaction data remains a key bottleneck. The scarcity,…

cs.LG2025

Decision SpikeFormer: Spike-Driven Transformer for Decision Making

Wei Huang, Qinying Gu, Nanyang Ye

Offline reinforcement learning (RL) enables policy training solely on pre-collected data, avoiding direct environment interaction - a crucial benefit for energy-constrained embodie…

cs.CV2025

OODD: Test-time Out-of-Distribution Detection with Dynamic Dictionary

Yifeng Yang, Lin Zhu, Zewen Sun +3

Out-of-distribution (OOD) detection remains challenging for deep learning models, particularly when test-time OOD samples differ significantly from training outliers. We propose OO…

cs.CV2025★ 1 cited

Visual Position Prompt for MLLM based Visual Grounding

Wei Tang, Yanpeng Sun, Qinying Gu +1

Although Multimodal Large Language Models (MLLMs) excel at various image-related tasks, they encounter challenges in precisely aligning coordinates with spatial information within…

cs.CL2024

Enhancing Nursing and Elderly Care with Large Language Models: An AI-Driven Framework

Qiao Sun, Jiexin Xie, Nanyang Ye +2

This paper explores the application of large language models (LLMs) in nursing and elderly care, focusing on AI-driven patient monitoring and interaction. We introduce a novel Chin…

cs.LG2024

Synergistic Development of Perovskite Memristors and Algorithms for Robust Analog Computing

Nanyang Ye, Qiao Sun, Yifei Wang +10

Analog computing using non-volatile memristors has emerged as a promising solution for energy-efficient deep learning. New materials, like perovskites-based memristors are recently…

cs.CL2024

MiniConGTS: A Near Ultimate Minimalist Contrastive Grid Tagging Scheme for Aspect Sentiment Triplet Extraction

Qiao Sun, Liujia Yang, Minghao Ma +2

Aspect Sentiment Triplet Extraction (ASTE) aims to co-extract the sentiment triplets in a given corpus. Existing approaches within the pretraining-finetuning paradigm tend to eithe…

cs.CV2024★ 3 cited

CRoFT: Robust Fine-Tuning with Concurrent Optimization for OOD Generalization and Open-Set OOD Detection

Lin Zhu, Yifeng Yang, Qinying Gu +3

Recent vision-language pre-trained models (VL-PTMs) have shown remarkable success in open-vocabulary tasks. However, downstream use cases often involve further fine-tuning of VL-PT…

cs.CL2024★ 1 cited

Rethinking ASTE: A Minimalist Tagging Scheme Alongside Contrastive Learning

Qiao Sun, Liujia Yang, Minghao Ma +2

Aspect Sentiment Triplet Extraction (ASTE) is a burgeoning subtask of fine-grained sentiment analysis, aiming to extract structured sentiment triplets from unstructured textual dat…

cs.LG2023

Domain Invariant Learning for Gaussian Processes and Bayesian Exploration

Xilong Zhao, Siyuan Bian, Yaoyun Zhang +5

Out-of-distribution (OOD) generalization has long been a challenging problem that remains largely unsolved. Gaussian processes (GP), as popular probabilistic model classes, especia…