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Vision-threatening eye diseases pose a major global health burden, with timely diagnosis limited by workforce shortages and restricted access to specialized care. While multimodal large language models (MLLMs) show promise for medical image…

With the rise of multimodal applications, instruction data has become critical for training multimodal language models capable of understanding complex image-based queries. Existing practices rely on powerful but costly large language…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Jieyu Zhang , Le Xue , Linxin Song , Jun Wang , Weikai Huang , Manli Shu , An Yan , Zixian Ma , Juan Carlos Niebles , Silvio Savarese , Caiming Xiong , Zeyuan Chen , Ranjay Krishna , Ran Xu

3D visual grounding aims to localize the unique target described by natural languages in 3D scenes. The significant gap between 3D and language modalities makes it a notable challenge to distinguish multiple similar objects through the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Feng Xiao , Hongbin Xu , Guocan Zhao , Wenxiong Kang

3D Multi-modal Large Language Models (MLLMs) still lag behind their 2D peers, largely because large-scale, high-quality 3D scene-dialogue datasets remain scarce. Prior efforts hinge on expensive human annotation and leave two key…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Siyuan Wei , Chunjie Wang , Xiao Liu , Xiaosheng Yan , Zhishan Zhou , Rui Huang

Medical image analysis is essential to clinical diagnosis and treatment, which is increasingly supported by multi-modal large language models (MLLMs). However, previous research has primarily focused on 2D medical images, leaving 3D images…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Fan Bai , Yuxin Du , Tiejun Huang , Max Q. -H. Meng , Bo Zhao

Multi-modal large language models (MLLMs) have rapidly advanced in visual tasks, yet their spatial understanding remains limited to single images, leaving them ill-suited for physical-world applications that require multi-frame reasoning.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Runsen Xu , Weiyao Wang , Hao Tang , Xingyu Chen , Xiaodong Wang , Fu-Jen Chu , Matt Feiszli , Kevin J. Liang

New era has unlocked exciting possibilities for extending Large Language Models (LLMs) to tackle 3D vision-language tasks. However, most existing 3D multimodal LLMs (MLLMs) rely on compressing holistic 3D scene information or segmenting…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Xiaoyan Wang , Zeju Li , Yifan Xu , Jiaxing Qi , Zhifei Yang , Ruifei Ma , Xiangde Liu , Chao Zhang

Recent advances in scene understanding have leveraged multimodal large language models (MLLMs) for 3D reasoning by capitalizing on their strong 2D pretraining. However, the lack of explicit 3D data during MLLM pretraining limits 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Xiaohu Huang , Jingjing Wu , Qunyi Xie , Kai Han

Despite recent advances in multimodal content generation enabled by vision-language models (VLMs), their ability to reason about and generate structured 3D scenes remains largely underexplored. This limitation constrains their utility in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Xinhang Liu , Yu-Wing Tai , Chi-Keung Tang

Creating machines capable of understanding the world in 3D is essential in assisting designers that build and edit 3D environments and robots navigating and interacting within a three-dimensional space. Inspired by advances in language and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Aadarsh Sahoo , Vansh Tibrewal , Georgia Gkioxari

Representing and understanding 3D environments in a structured manner is crucial for autonomous agents to navigate and reason about their surroundings. While traditional Simultaneous Localization and Mapping (SLAM) methods generate metric…

Robotics · Computer Science 2026-02-03 Albert Gassol Puigjaner , Angelos Zacharia , Kostas Alexis

Are current Vision Language Models (VLMs) ready to comprehend and reason about complex embodied interactions in 3D environments? We introduce Embodied3DBench, a robot-centric benchmark targeting low-level spatial intelligence in embodied 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Jiyao Zhang , Mingxu Zhang , Yitong Peng , Haoxuan Liu , Chenshuo Wang , Yuxing Long , Haoyang Huang , Dongjiang Li , Nan Duan , Hui Shen , Hao Dong

Multimodal Large Language Models (MLLMs) demonstrate a complex understanding of scenes, benefiting from large-scale and high-quality datasets. Most existing caption datasets lack the ground locations and relations for visual entities.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Xiangtai Li , Tao Zhang , Yanwei Li , Haobo Yuan , Shihao Chen , Yikang Zhou , Jiahao Meng , Yueyi Sun , Shilin Xu , Lu Qi , Tianheng Cheng , Yi Lin , Zilong Huang , Wenhao Huang , Jiashi Feng , Guang Shi

Driven by the great success of Large Language Models (LLMs) in the 2D image domain, their applications in 3D scene understanding has emerged as a new trend. A key difference between 3D and 2D is that the situation of an egocentric observer…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Zhihao Yuan , Yibo Peng , Jinke Ren , Yinghong Liao , Yatong Han , Chun-Mei Feng , Hengshuang Zhao , Guanbin Li , Shuguang Cui , Zhen Li

3D scene understanding has gained significant attention due to its wide range of applications. However, existing methods for 3D scene understanding are limited to specific downstream tasks, which hinders their practicality in real-world…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Zehan Wang , Haifeng Huang , Yang Zhao , Ziang Zhang , Zhou Zhao

Embodied AI (EAI) research requires high-quality, diverse 3D scenes to effectively support skill acquisition, sim-to-real transfer, and generalization. Achieving these quality standards, however, necessitates the precise replication of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Huangyue Yu , Baoxiong Jia , Yixin Chen , Yandan Yang , Puhao Li , Rongpeng Su , Jiaxin Li , Qing Li , Wei Liang , Song-Chun Zhu , Tengyu Liu , Siyuan Huang

The convergence of 3D geometric perception and video synthesis has created an unprecedented demand for large-scale video data that is rich in both semantic and spatio-temporal information. While existing datasets have advanced either 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Yunnan Wang , Kecheng Zheng , Jianyuan Wang , Minghao Chen , David Novotny , Christian Rupprecht , Yinghao Xu , Xing Zhu , Wenjun Zeng , Xin Jin , Yujun Shen

With the rapid advancement of artificial intelligence and robotics, the integration of Large Language Models (LLMs) with 3D vision is emerging as a transformative approach to enhancing robotic sensing technologies. This convergence enables…

Robotics · Computer Science 2025-11-19 Vinit Mehta , Charu Sharma , Karthick Thiyagarajan

Recent advancements in 3D Large Language Models (LLMs) have demonstrated promising capabilities for 3D scene understanding. However, previous methods exhibit deficiencies in general referencing and grounding capabilities for intricate scene…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Haifeng Huang , Yilun Chen , Zehan Wang , Rongjie Huang , Runsen Xu , Tai Wang , Luping Liu , Xize Cheng , Yang Zhao , Jiangmiao Pang , Zhou Zhao

Comprehensive evaluation of Multimodal Large Language Models (MLLMs) has recently garnered widespread attention in the research community. However, we observe that existing benchmarks present several common barriers that make it difficult…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Yi-Fan Zhang , Huanyu Zhang , Haochen Tian , Chaoyou Fu , Shuangqing Zhang , Junfei Wu , Feng Li , Kun Wang , Qingsong Wen , Zhang Zhang , Liang Wang , Rong Jin , Tieniu Tan