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Large vision-language models (LVLMs) suffer from hallucination, resulting in misalignment between the output textual response and the input visual content. Recent research indicates that the over-reliance on the Large Language Model (LLM)…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Yuxi Xie , Guanzhen Li , Xiao Xu , Min-Yen Kan

The realization of Artificial General Intelligence (AGI) necessitates Embodied AI agents capable of robust spatial perception, effective task planning, and adaptive execution in physical environments. However, current large language models…

To operate effectively in the real world, robots should integrate multimodal reasoning with precise action generation. However, existing vision-language-action (VLA) models often sacrifice one for the other, narrow their abilities to…

Robotics · Computer Science 2026-03-04 Shuai Yang , Hao Li , Bin Wang , Yilun Chen , Yang Tian , Tai Wang , Hanqing Wang , Feng Zhao , Yiyi Liao , Jiangmiao Pang

Developing vision-language models (VLMs) capable of understanding 3D scenes has been a longstanding research goal. Despite recent progress, 3D VLMs still struggle with spatial reasoning and robustness. We identify three key obstacles…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Jiangyong Huang , Xiaojian Ma , Xiongkun Linghu , Junchao He , Qing Li , Song-Chun Zhu , Yixin Chen , Baoxiong Jia , Siyuan Huang

Current post-training methodologies for adapting Large Vision-Language Models (LVLMs) generally fall into two paradigms: Supervised Fine-Tuning (SFT) and Reinforcement Learning (RL). Despite their prevalence, both approaches suffer from…

Machine Learning · Computer Science 2026-04-21 Yuming Yan , Kai Tang , Sihong Chen , Ke Xu , Dan Hu , Qun Yu , Pengfei Hu

The rapid evolution of Embodied AI has enabled Vision-Language-Action (VLA) models to excel in multimodal perception and task execution. However, applying Reinforcement Learning (RL) to these massive models in large-scale distributed…

Artificial Intelligence · Computer Science 2026-05-15 Yucheng Guo , Yongjian Guo , Zhong Guan , Wen Huang , Haoran Sun , Haodong Yue , Xiaolong Xiang , Shuai Di , Zhen Sun , Luqiao Wang , Junwu Xiong , Yicheng Gong

Bridging the gap between natural language commands and autonomous execution in unstructured environments remains an open challenge for robotics. This requires robots to perceive and reason over the current task scene through multiple…

Robotics · Computer Science 2025-12-23 Jin Wang , Kim Tien Ly , Jacques Cloete , Nikos Tsagarakis , Ioannis Havoutis

We present SignDPO, a novel multi-level Direct Preference Optimisation (DPO) framework designed to enhance the alignment of skeleton-based Sign Language Translation. While current skeleton-based models have made significant progress using…

Computation and Language · Computer Science 2026-04-21 Muxin Pu , Xiao-Ming Wu , Mei Kuan Lim , Chun Yong Chong , Wei Li , Chen Change Loy

Gloss-free sign language translation (SLT) is hindered by two key challenges: **inadequate sign representation** that fails to capture nuanced visual cues, and **sentence-level semantic misalignment** in current LLM-based methods, which…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Zhi Rao , Yucheng Zhou , Benjia Zhou , Yiqing Huang , Sergio Escalera , Jun Wan

Prompt learning has emerged as an efficient and effective approach for transferring foundational Vision-Language Models (e.g., CLIP) to downstream tasks. However, current methods tend to overfit to seen categories, thereby limiting their…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Chen Xu , Yuhan Zhu , Guozhen Zhang , Haocheng Shen , Yixuan Liao , Xiaoxin Chen , Gangshan Wu , Limin Wang

Vision-Language Models (VLMs) have demonstrated impressive world knowledge across a wide range of tasks, making them promising candidates for embodied reasoning applications. However, existing benchmarks primarily evaluate the embodied…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Haotian Xue , Yunhao Ge , Yu Zeng , Zhaoshuo Li , Ming-Yu Liu , Yongxin Chen , Jiaojiao Fan

Vision-Language-Action (VLA) models extend vision-language models to embodied control by mapping natural-language instructions and visual observations to robot actions. Despite their capabilities, VLA systems face significant challenges due…

Robotics · Computer Science 2025-10-24 Weifan Guan , Qinghao Hu , Aosheng Li , Jian Cheng

Developing a universal and versatile embodied intelligence system presents two primary challenges: the critical embodied data bottleneck, where real-world data is scarce and expensive, and the algorithmic inefficiency of existing methods,…

Recent advances in vision-language models (VLMs) have shown promise for human-level embodied intelligence. However, existing benchmarks for VLM-driven embodied agents often rely on high-level commands or discretized action spaces, which are…

Artificial Intelligence · Computer Science 2026-02-25 Bo Peng , Pi Bu , Keyu Pan , Xinrun Xu , Yinxiu Zhao , Miao Chen , Yang Du , Lin Li , Jun Song , Tong Xu

Large Vision-Language Models (LVLMs) or multimodal large language models represent a significant advancement in artificial intelligence, enabling systems to understand and generate content across both visual and textual modalities. While…

Machine Learning · Computer Science 2025-09-09 Thanh Thi Nguyen , Campbell Wilson , Janis Dalins

Embodied visual tracking is a fundamental skill in Embodied AI, enabling an agent to follow a specific target in dynamic environments using only egocentric vision. This task is inherently challenging as it requires both accurate target…

Robotics · Computer Science 2025-05-30 Shaoan Wang , Jiazhao Zhang , Minghan Li , Jiahang Liu , Anqi Li , Kui Wu , Fangwei Zhong , Junzhi Yu , Zhizheng Zhang , He Wang

Backpropagation underpins modern deep learning, yet its reliance on global gradient synchronization limits scalability and incurs high memory costs. In contrast, fully local learning rules are more efficient but often struggle to maintain…

Machine Learning · Computer Science 2025-10-01 Bojian Yin , Federico Corradi

Existing Vision-Language Navigation (VLN) agents based on Large Vision-Language Models (LVLMs) often suffer from perception errors, reasoning errors, and planning errors, which significantly hinder their navigation performance. To address…

Machine Learning · Computer Science 2025-12-03 Zhengcheng Wang , Zichuan Lin , Yijun Yang , Haobo Fu , Deheng Ye

While end-to-end Vision-Language-Action (VLA) models offer a promising paradigm for robotic manipulation, fine-tuning them on narrow control data often compromises the profound reasoning capabilities inherited from their base…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Tianshuo Yang , Guanyu Chen , Yutian Chen , Zhixuan Liang , Yitian Liu , Zanxin Chen , Chunpu Xu , Haotian Liang , Jiangmiao Pang , Yao Mu , Ping Luo

The rapid growth of autonomous driving datasets has enabled the scaling of powerful motion forecasting models. While large-scale pretraining provides strong performance, the standard imitation objective may not fully capture the complex…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zhefan Xu , Ghassen Jerfel , Marina Haliem , Qi Zhao , Jeonhyung Kang , Khaled S. Refaat