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Recently, numerous algorithms have been developed to tackle the problem of vision-language navigation (VLN), i.e., entailing an agent to navigate 3D environments through following linguistic instructions. However, current VLN agents simply…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Hanqing Wang , Wenguan Wang , Wei Liang , Caiming Xiong , Jianbing Shen

Multimodal Large Language Models (MLLMs) struggle with accurately capturing camera-object relations, especially for object orientation, camera viewpoint, and camera shots. This stems from the fact that existing MLLMs are trained on images…

Recent embodied navigation approaches leveraging Vision-Language Models (VLMs) demonstrate strong generalization in versatile Vision-Language Navigation (VLN). However, reliable path planning in complex environments remains challenging due…

Navigating in unseen environments is crucial for mobile robots. Enhancing them with the ability to follow instructions in natural language will further improve navigation efficiency in unseen cases. However, state-of-the-art (SOTA)…

Robotics · Computer Science 2023-10-18 Chengguang Xu , Hieu T. Nguyen , Christopher Amato , Lawson L. S. Wong

Creating high-fidelity 3D models of indoor environments is essential for applications in design, virtual reality, and robotics. However, manual 3D modeling remains time-consuming and labor-intensive. While recent advances in generative AI…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Chuan Fang , Heng Li , Yixun Liang , Jia Zheng , Yongsen Mao , Yuan Liu , Rui Tang , Zihan Zhou , Ping Tan

Vision-language models (VLMs) have achieved remarkable success in scene understanding and perception tasks, enabling robots to plan and execute actions adaptively in dynamic environments. However, most multimodal large language models lack…

Robotics · Computer Science 2025-02-14 Guoqin Tang , Qingxuan Jia , Zeyuan Huang , Gang Chen , Ning Ji , Zhipeng Yao

Remarkable progress in 2D Vision-Language Models (VLMs) has spurred interest in extending them to 3D settings for tasks like 3D Question Answering, Dense Captioning, and Visual Grounding. Unlike 2D VLMs that typically process images through…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Haoyuan Li , Yanpeng Zhou , Yufei Gao , Tao Tang , Jianhua Han , Yujie Yuan , Dave Zhenyu Chen , Jiawang Bian , Hang Xu , Xiaodan Liang

Prompt-driven scene synthesis allows users to generate complete 3D environments from textual descriptions. Current text-to-scene methods often struggle with complex geometries and object transformations, and tend to show weak adherence to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Frédéric Berdoz , Luca A. Lanzendörfer , Nick Tuninga , Roger Wattenhofer

The advancement of Embodied AI heavily relies on large-scale, simulatable 3D scene datasets characterized by scene diversity and realistic layouts. However, existing datasets typically suffer from limitations in data scale or diversity,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Weipeng Zhong , Peizhou Cao , Yichen Jin , Li Luo , Wenzhe Cai , Jingli Lin , Hanqing Wang , Zhaoyang Lyu , Tai Wang , Bo Dai , Xudong Xu , Jiangmiao Pang

Vision-and-Language Navigation (VLN) poses significant challenges for agents to interpret natural language instructions and navigate complex 3D environments. While recent progress has been driven by large-scale pre-training and data…

Artificial Intelligence · Computer Science 2026-05-14 Tianyi Ma , Yue Zhang , Zehao Wang , Parisa Kordjamshidi

Vision-and-language navigation (VLN) is a multimodal task where an agent follows natural language instructions and navigates in visual environments. Multiple setups have been proposed, and researchers apply new model architectures or…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Wanrong Zhu , Yuankai Qi , Pradyumna Narayana , Kazoo Sone , Sugato Basu , Xin Eric Wang , Qi Wu , Miguel Eckstein , William Yang Wang

Understanding 3D spatial relationships remains a major limitation of current Vision-Language Models (VLMs). Prior work has addressed this issue by creating spatial question-answering (QA) datasets based on single images or indoor videos.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Mohsen Gholami , Ahmad Rezaei , Zhou Weimin , Sitong Mao , Shunbo Zhou , Yong Zhang , Mohammad Akbari

Vision-and-Language Navigation (VLN), as a widely discussed research direction in embodied intelligence, aims to enable embodied agents to navigate in complicated visual environments through natural language commands. Most existing VLN…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Youzhi Liu , Fanglong Yao , Yuanchang Yue , Guangluan Xu , Xian Sun , Kun Fu

The rapid advancement of Large Multimodal Models (LMMs) for 2D images and videos has motivated extending these models to understand 3D scenes, aiming for human-like visual-spatial intelligence. Nevertheless, achieving deep spatial…

Map representations learned by expert demonstrations have shown promising research value. However, the field of visual navigation still faces challenges due to the lack of real-world human-navigation datasets that can support efficient,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Faith Johnson , Bryan Bo Cao , Kristin Dana , Shubham Jain , Ashwin Ashok

Vision-Language Models (VLMs) have demonstrated significant potential in medical image analysis, yet their application in intraoral photography remains largely underexplored due to the lack of fine-grained, annotated datasets and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Meng-Xun Li , Wen-Hui Deng , Zhi-Xing Wu , Chun-Xiao Jin , Jia-Min Wu , Yue Han , James Kit Hon Tsoi , Gui-Song Xia , Cui Huang

Zero-shot vision-and-language navigation (VLN) has gained significant attention due to its minimal data collection costs and inherent generalization. This paradigm is typically driven by the integration of pre-trained Vision-Language Models…

Robotics · Computer Science 2026-05-15 Ziyi Xia , Chaoran Xiong , Litao Wei , Xinhao Hu , Ling Pei

3D visual grounding (3DVG) involves localizing entities in a 3D scene referred to by natural language text. Such models are useful for embodied AI and scene retrieval applications, which involve searching for objects or patterns using…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Austin T. Wang , ZeMing Gong , Angel X. Chang

While multi-modality large language models excel in object-centric or indoor scenarios, scaling them to 3D city-scale environments remains a formidable challenge. To bridge this gap, we propose 3DCity-LLM, a unified framework designed for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Yiping Chen , Jinpeng Li , Wenyu Ke , Yang Luo , Jie Ouyang , Zhongjie He , Li Liu , Hongchao Fan , Hao Wu

Recent advancements in Large Multimodal Models (LMMs) have greatly enhanced their proficiency in 2D visual understanding tasks, enabling them to effectively process and understand images and videos. However, the development of LMMs with 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Chenming Zhu , Tai Wang , Wenwei Zhang , Jiangmiao Pang , Xihui Liu