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Online dense mapping of urban scenes forms a fundamental cornerstone for scene understanding and navigation of autonomous vehicles. Recent advancements in mapping methods are mainly based on NeRF, whose rendering speed is too slow to meet…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Ke Wu , Kaizhao Zhang , Zhiwei Zhang , Shanshuai Yuan , Muer Tie , Julong Wei , Zijun Xu , Jieru Zhao , Zhongxue Gan , Wenchao Ding

This paper proposes LONER, the first real-time LiDAR SLAM algorithm that uses a neural implicit scene representation. Existing implicit mapping methods for LiDAR show promising results in large-scale reconstruction, but either require…

Robotics · Computer Science 2024-03-26 Seth Isaacson , Pou-Chun Kung , Mani Ramanagopal , Ram Vasudevan , Katherine A. Skinner

The modeling and simulation of high-dimensional multiscale systems is a critical challenge across all areas of science and engineering. It is broadly believed that even with today's computer advances resolving all spatiotemporal scales…

Machine Learning · Statistics 2023-09-13 Emmanuel Menier , Sebastian Kaltenbach , Mouadh Yagoubi , Marc Schoenauer , Petros Koumoutsakos

We propose an optimization proxy in terms of iterative implicit gradient methods for solving constrained optimization problems with nonconvex loss functions. This framework can be applied to a broad range of machine learning settings,…

Optimization and Control · Mathematics 2025-10-14 Harshal D. Kaushik , Ming Jin

Volumetric maps are widely used in robotics due to their desirable properties in applications such as path planning, exploration, and manipulation. Constant advances in mapping technologies are needed to keep up with the improvements in…

Robotics · Computer Science 2023-06-05 Victor Reijgwart , Cesar Cadena , Roland Siegwart , Lionel Ott

Wireless imaging has become a vital function in future integrated sensing and communication (ISAC) systems. However, traditional model-based and data-driven deep learning imaging methods face challenges related to multipath extraction,…

Information Theory · Computer Science 2026-02-13 Yixuan Huang , Jie Yang , Chao-Kai Wen , Shi Jin

Implicit graph neural networks have gained popularity in recent years as they capture long-range dependencies while improving predictive performance in static graphs. Despite the tussle between performance degradation due to the…

Machine Learning · Computer Science 2024-06-27 Yongjian Zhong , Hieu Vu , Tianbao Yang , Bijaya Adhikari

Routine and repetitive infrastructure inspections present safety, efficiency, and consistency challenges as they are performed manually, often in challenging or hazardous environments. They can also introduce subjectivity and errors into…

Robotics · Computer Science 2025-01-28 Jake McLaughlin , Nicholas Charron , Sriram Narasimhan

Implicit Neural Representations (INRs) have garnered significant attention for their ability to model complex signals in various domains. Recently, INR-based frameworks have shown promise in neural video compression by embedding video…

Image and Video Processing · Electrical Eng. & Systems 2025-07-25 Taiga Hayami , Kakeru Koizumi , Hiroshi Watanabe

With the increasing consumption of 3D displays and virtual reality, multi-view video has become a promising format. However, its high resolution and multi-camera shooting result in a substantial increase in data volume, making storage and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Chen Zhu , Guo Lu , Bing He , Rong Xie , Li Song

Implicit 3D surface reconstruction of an object from its partial and noisy 3D point cloud scan is the classical geometry processing and 3D computer vision problem. In the literature, various 3D shape representations have been developed,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Atharva Pandey , Vishal Yadav , Rajendra Nagar , Santanu Chaudhury

We present VMap, a map-like rectangular space-filling visualization, to perform vertex-centric graph exploration. Existing visualizations have limited support for quality optimization among rectangular aspect ratios, vertex-edge…

Graphics · Computer Science 2023-06-02 Jiayi Xu , Han-Wei Shen

Vision-and-Language Navigation (VLN) has long been constrained by the limited diversity and scalability of simulator-curated datasets, which fail to capture the complexity of real-world environments. To overcome this limitation, we…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Mingfei Han , Haihong Hao , Liang Ma , Kamila Zhumakhanova , Ekaterina Radionova , Jingyi Zhang , Xiaojun Chang , Xiaodan Liang , Ivan Laptev

We show for the first time that a multilayer perceptron (MLP) can serve as the only scene representation in a real-time SLAM system for a handheld RGB-D camera. Our network is trained in live operation without prior data, building a dense,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Edgar Sucar , Shikun Liu , Joseph Ortiz , Andrew J. Davison

Implicit Neural Representation (INR) is an innovative approach for representing complex shapes or objects without explicitly defining their geometry or surface structure. Instead, INR represents objects as continuous functions. Previous…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Hanqiu Chen , Hang Yang , Stephen Fitzmeyer , Cong Hao

Learning-based single image super-resolution (SISR) methods are continuously showing superior effectiveness and efficiency over traditional model-based methods, largely due to the end-to-end training. However, different from model-based…

Image and Video Processing · Electrical Eng. & Systems 2020-03-24 Kai Zhang , Luc Van Gool , Radu Timofte

Implicit representations are widely used for object reconstruction due to their efficiency and flexibility. In 2021, a novel structure named neural implicit map has been invented for incremental reconstruction. A neural implicit map…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Yijun Yuan , Andreas Nuechter

Most 3D Gaussian Splatting (3D-GS) based methods for urban scenes initialize 3D Gaussians directly with 3D LiDAR points, which not only underutilizes LiDAR data capabilities but also overlooks the potential advantages of fusing LiDAR with…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Cheng Zhao , Su Sun , Ruoyu Wang , Yuliang Guo , Jun-Jun Wan , Zhou Huang , Xinyu Huang , Yingjie Victor Chen , Liu Ren

High dynamic range (HDR) imaging technique aims to create realistic HDR images from low dynamic range (LDR) inputs. Specifically, Multi-exposure HDR imaging uses multiple LDR frames taken from the same scene to improve reconstruction…

Image and Video Processing · Electrical Eng. & Systems 2025-07-03 Keuntek Lee , Jaehyun Park , Nam Ik Cho

Visual Autoregressive Modeling (VAR) based on next-scale prediction achieves strong generation quality, but their explicit deep stacks fix the amount of computation per scale and inflate memory at high resolutions. We introduce Visual…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Pengfei Jiang , Jixiang Luo , Luxi Lin , Zhaohong Huang , Xuelong Li