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Scalable and maintainable map representations are fundamental to enabling large-scale visual navigation and facilitating the deployment of robots in real-world environments. While collaborative localization across multi-session mapping…

Robotics · Computer Science 2026-01-21 Jianhao Jiao , Changkun Liu , Jingwen Yu , Boyi Liu , Qianyi Zhang , Yue Wang , Dimitrios Kanoulas

With the great achievement of artificial intelligence, vehicle technologies have advanced significantly from human centric driving towards fully automated driving. An intelligent vehicle should be able to understand the driver's perception…

Human-Computer Interaction · Computer Science 2019-03-12 Yang Zheng , Izzat H. Izzat , John H. L. Hansen

As spatial intelligence becomes an increasingly important capability for foundation models, it remains unclear whether large language models' (LLMs) performance on spatial reasoning benchmarks reflects structured internal spatial…

Computation and Language · Computer Science 2026-03-30 Jiyuan An , Liner Yang , Mengyan Wang , Luming Lu , Weihua An , Erhong Yang

Robust 3D representation learning forms the perceptual foundation of spatial intelligence, enabling downstream tasks in scene understanding and embodied AI. However, learning such representations directly from unposed multi-view images…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Bo Zhou , Qiuxia Lai , Zeren Sun , Xiangbo Shu , Yazhou Yao , Wenguan Wang

To endow machines with the ability to perceive the real-world in a three dimensional representation as we do as humans is a fundamental and long-standing topic in Artificial Intelligence. Given different types of visual inputs such as…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Bo Yang

Effective scene representation is critical for the visual grounding ability of representations, yet existing methods for 3D Visual Grounding are often constrained. They either only focus on geometric and visual cues, or, like traditional 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Qinghongbing Xie , Zijian Liang , Fuhao Li , Long Zeng

Despite notable advancements in remote sensing vision-language models (VLMs), existing models often struggle with spatial understanding, limiting their effectiveness in real-world applications. To push the boundaries of VLMs in remote…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Yue Zhou , Ran Ding , Xue Yang , Xue Jiang , Xingzhao Liu

Traditional LiDAR-based object detection research primarily focuses on closed-set scenarios, which falls short in complex real-world applications. Directly transferring existing 2D open-vocabulary models with some known LiDAR classes for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Hu Zhang , Jianhua Xu , Tao Tang , Haiyang Sun , Xin Yu , Zi Huang , Kaicheng Yu

Spatial understanding remains a weakness of Large Vision-Language Models (LVLMs). Existing supervised fine-tuning (SFT) and recent reinforcement learning with verifiable rewards (RLVR) pipelines depend on costly supervision, specialized…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Yuhong Liu , Beichen Zhang , Yuhang Zang , Yuhang Cao , Long Xing , Xiaoyi Dong , Haodong Duan , Dahua Lin , Jiaqi Wang

SpatialLM is a large language model designed to process 3D point cloud data and generate structured 3D scene understanding outputs. These outputs include architectural elements like walls, doors, windows, and oriented object boxes with…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Yongsen Mao , Junhao Zhong , Chuan Fang , Jia Zheng , Rui Tang , Hao Zhu , Ping Tan , Zihan Zhou

Spatial intelligence, encompassing 3D reconstruction, perception, and reasoning, is fundamental to applications such as robotics, aerial imaging, and extended reality. A key enabler is the real-time, accurate estimation of core 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Wenyan Cong , Yiqing Liang , Yancheng Zhang , Ziyi Yang , Yan Wang , Boris Ivanovic , Marco Pavone , Chen Chen , Zhangyang Wang , Zhiwen Fan

Vision-language models (VLMs) struggle with 3D-related tasks such as spatial cognition and physical understanding, which are crucial for real-world applications like robotics and embodied agents. We attribute this to a modality gap between…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Yifan Liu , Fangneng Zhan , Kaichen Zhou , Yilun Du , Paul Pu Liang , Hanspeter Pfister

Not yet. We present SPACE, a benchmark that systematically evaluates spatial cognition in frontier models. Our benchmark builds on decades of research in cognitive science. It evaluates large-scale mapping abilities that are brought to bear…

Artificial Intelligence · Computer Science 2025-04-21 Santhosh Kumar Ramakrishnan , Erik Wijmans , Philipp Kraehenbuehl , Vladlen Koltun

With continued advances in Geographic Information Systems and related computational technologies, statisticians are often required to analyze very large spatial datasets. This has generated substantial interest over the last decade, already…

Methodology · Statistics 2019-05-14 Lu Zhang , Abhirup Datta , Sudipto Banerjee

In recent years, the field of artificial intelligence has undergone a paradigm shift from task-specific small-scale models to general-purpose large language models (LLMs). With the rapid iteration of LLMs, objective, quantitative, and…

Spatial visualization is the mental ability to imagine, transform, and manipulate the spatial characteristics of objects and actions. This intelligence is a part of human cognition where actions and perception are connected on a mental…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Nilay Yilmaz , Maitreya Patel , Naga Sai Abhiram Kusumba , Yixuan He , Yezhou Yang

Multimodal large language models (MLLMs) are increasingly being applied to spatial cognition tasks, where they are expected to understand and interact with complex environments. Most existing works improve spatial reasoning by introducing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zhenghao Chen , Huiqun Wang , Di Huang

Spatial reasoning over three-dimensional scenes is a core capability for embodied intelligence, yet continuous model improvement remains bottlenecked by the cost of geometric annotation. The self-evolving paradigm offers a promising path,…

The construction industry increasingly relies on visual data to support Artificial Intelligence (AI) and Machine Learning (ML) applications for site monitoring. High-quality, domain-specific datasets, comprising images, videos, and point…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Ruoxin Xiong , Yanyu Wang , Jiannan Cai , Kaijian Liu , Yuansheng Zhu , Pingbo Tang , Nora El-Gohary