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The automated creation of digital twins and precise asset inventories is a critical task in smart city construction and facility lifecycle management. However, utilizing cost-effective sparse imagery remains challenging due to limited…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Chong Liu , Luxuan Fu , Yang Jia , Zhen Dong , Bisheng Yang

We present SpatialMem, a memory-centric system for long-horizon, language-grounded retrieval and QA from egocentric video, where metric 3D serves as an interpretable indexing scaffold rather than an explicit mapping objective. Starting from…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Xinyi Zheng , Yunze Liu , Chi-Hao Wu , Fan Zhang , Hao Zheng , Wenqi Zhou , Walterio W. Mayol-Cuevas , Junxiao Shen

This paper presents an automated pipeline for processing multi-view satellite images to 3D digital surface models (DSM). The proposed pipeline performs automated geo-referencing and generates high-quality densely matched point clouds. In…

Computer Vision and Pattern Recognition · Computer Science 2019-10-08 Rongjun Qin

We contribute the Habitat Synthetic Scene Dataset, a dataset of 211 high-quality 3D scenes, and use it to test navigation agent generalization to realistic 3D environments. Our dataset represents real interiors and contains a diverse set of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Mukul Khanna , Yongsen Mao , Hanxiao Jiang , Sanjay Haresh , Brennan Shacklett , Dhruv Batra , Alexander Clegg , Eric Undersander , Angel X. Chang , Manolis Savva

Large vision-language models (VLMs) still struggle with reliable 3D spatial reasoning, a core capability for embodied and physical AI systems. This limitation arises from their inability to capture fine-grained 3D geometry and spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Jian Zhang , Shijie Zhou , Bangya Liu , Achuta Kadambi , Zhiwen Fan

Accurate localization and 3D maps are increasingly needed for various artificial intelligence based IoT applications such as augmented reality, intelligent transportation, crowd monitoring, robotics, etc. This article proposes a novel…

Robotics · Computer Science 2021-03-23 Max Jwo Lem Lee , Li-Ta Hsu

Recent advanced vision-language models(VLMs) have demonstrated strong performance on passive, offline image and video understanding tasks. However, their effectiveness in embodied settings, which require online interaction and active scene…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Mingxian Lin , Wei Huang , Yitang Li , Chengjie Jiang , Kui Wu , Fangwei Zhong , Shengju Qian , Xin Wang , Xiaojuan Qi

Natural language processing and 2D vision models have attained remarkable proficiency on many tasks primarily by escalating the scale of training data. However, 3D vision tasks have not seen the same progress, in part due to the challenges…

Optimizing Deep Learning-based Simultaneous Localization and Mapping (DL-SLAM) algorithms is essential for efficient implementation on resource-constrained embedded platforms, enabling real-time on-board computation in autonomous mobile…

Robotics · Computer Science 2024-09-24 Niraj Pudasaini , Muhammad Abdullah Hanif , Muhammad Shafique

Synthesizing high-fidelity head avatars is a central problem for computer vision and graphics. While head avatar synthesis algorithms have advanced rapidly, the best ones still face great obstacles in real-world scenarios. One of the vital…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Dongwei Pan , Long Zhuo , Jingtan Piao , Huiwen Luo , Wei Cheng , Yuxin Wang , Siming Fan , Shengqi Liu , Lei Yang , Bo Dai , Ziwei Liu , Chen Change Loy , Chen Qian , Wayne Wu , Dahua Lin , Kwan-Yee Lin

Accurate visual localization from aerial views is a fundamental problem with applications in mapping, large-area inspection, and search-and-rescue operations. In many scenarios, these systems require high-precision localization while…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Oussema Dhaouadi , Riccardo Marin , Johannes Meier , Jacques Kaiser , Daniel Cremers

Despite the fast advances in high-sigma yield analysis with the help of machine learning techniques in the past decade, one of the main challenges, the curse of dimensionality, which is inevitable when dealing with modern large-scale…

Computational Engineering, Finance, and Science · Computer Science 2022-12-06 Shuo Yin , Guohao Dai , Wei W. Xing

Reasoning about motion and space is a fundamental cognitive capability that is required by multiple real-world applications. While many studies highlight that large multimodal language models (MLMs) struggle to reason about space, they only…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Arijit Ray , Jiafei Duan , Ellis Brown , Reuben Tan , Dina Bashkirova , Rose Hendrix , Kiana Ehsani , Aniruddha Kembhavi , Bryan A. Plummer , Ranjay Krishna , Kuo-Hao Zeng , Kate Saenko

Spatial intelligence spans a rich suite of abilities, including visualising and transforming shapes, mentally rotating objects, judging relational positions and containment, and estimating numerosity. However, it still remains a critical…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Shijie Lian , Changti Wu , Laurence Tianruo Yang , Hang Yuan , Bin Yu , Lei Zhang , Kai Chen

Semantic segmentation metrics for 3D point clouds, such as mean Intersection over Union (mIoU) and Overall Accuracy (OA), present two key limitations in the context of aerial LiDAR data. First, they treat all misclassifications equally…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Alex Salvatierra , José Antonio Sanz , Christian Gutiérrez , Mikel Galar

We present Habitat, a platform for research in embodied artificial intelligence (AI). Habitat enables training embodied agents (virtual robots) in highly efficient photorealistic 3D simulation. Specifically, Habitat consists of: (i)…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Manolis Savva , Abhishek Kadian , Oleksandr Maksymets , Yili Zhao , Erik Wijmans , Bhavana Jain , Julian Straub , Jia Liu , Vladlen Koltun , Jitendra Malik , Devi Parikh , Dhruv Batra

Recent years have produced a variety of learning based methods in the context of computer vision and robotics. Most of the recently proposed methods are based on deep learning, which require very large amounts of data compared to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Kenneth Blomqvist , Julius Hietala

Dataflow-oriented spatial architectures are the emerging paradigm for higher computation performance and efficiency. AMD Versal AI Engine is a commercial spatial architecture consisting of tiles of VLIW processors supporting SIMD operations…

Hardware Architecture · Computer Science 2025-02-18 Kotaro Shimamura , Ayumi Ohno , Shinya Takamaeda-Yamazaki

The existence of variable factors within the environment can cause a decline in camera localization accuracy, as it violates the fundamental assumption of a static environment in Simultaneous Localization and Mapping (SLAM) algorithms.…

Robotics · Computer Science 2023-10-11 Ghanta Sai Krishna , Kundrapu Supriya , Sabur Baidya

Simultaneous Localization and Mapping (SLAM) is a critical task in robotics, enabling systems to autonomously navigate and understand complex environments. Current SLAM approaches predominantly rely on geometric cues for mapping and…

Robotics · Computer Science 2025-03-28 Yongxu Wang , Xu Cao , Weiyun Yi , Zhaoxin Fan