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Robots deployed in settings such as warehouses and parking lots must cope with frequent and substantial changes when localizing in their environments. While many previous localization and mapping algorithms have explored methods of…

机器人学 · 计算机科学 2022-08-02 Amanda Adkins , Taijing Chen , Joydeep Biswas

Wide-area imaging surveys are one of the key ways of advancing our understanding of cosmology, galaxy formation physics, and the large-scale structure of the Universe in the coming years. These surveys typically require calculating…

星系天体物理 · 物理学 2020-10-07 P. W. Hatfield , I. A. Almosallam , M. J. Jarvis , N. Adams , R. A. A. Bowler , Z. Gomes , S. J. Roberts , C. Schreiber

High spatial resolution PM2.5 data covering a long time period are urgently needed to support population exposure assessment and refined air quality management. In this study, we provided complete-coverage PM2.5 predictions with a 1-km…

大气与海洋物理 · 物理学 2022-05-09 Qingyang Xiao , Guannan Geng , Shigan Liu , Jiajun Liu , Xia Meng , Qiang Zhang

A generative diffusion model is used to produce probabilistic ensembles of precipitation intensity maps at the 1-hour 5-km resolution. The generation is conditioned on infrared and microwave radiometric measurements from the GOES and DMSP…

Remote sensing image segmentation is pivotal for earth observation, underpinning applications such as environmental monitoring and urban planning. Due to the limited annotation data available in remote sensing images, numerous studies have…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Yijie Li , Hewei Wang , Jinfeng Xu , Zixiao Ma , Puzhen Wu , Shaofan Wang , Soumyabrata Dev

Pluralistic image completion focuses on generating both visually realistic and diverse results for image completion. Prior methods enjoy the empirical successes of this task. However, their used constraints for pluralistic image completion…

计算机视觉与模式识别 · 计算机科学 2022-05-19 Xiaobo Xia , Wenhao Yang , Jie Ren , Yewen Li , Yibing Zhan , Bo Han , Tongliang Liu

Photometric wide-field surveys are imaging the sky in unprecedented detail. These surveys face a significant challenge in efficiently estimating galactic photometric redshifts while accurately quantifying associated uncertainties. In this…

Region-of-Interest (ROI)-based image compression allocates bits unevenly according to the semantic importance of different regions. Such differentiated coding typically induces a sharp-peaked and heavy-tailed distribution. This distribution…

图像与视频处理 · 电气工程与系统科学 2026-02-03 Kai Hu , Junfu Tan , Fang Xu , Ramy Samy , Yu Liu

The recent emergence of deep learning has led to a great deal of work on designing supervised deep semantic segmentation algorithms. As in many tasks sufficient pixel-level labels are very difficult to obtain, we propose a method which…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Matthias Schwab , Agnes Mayr , Markus Haltmeier

Given the necessity of connecting the unconnected, covering blind spots has emerged as a critical task in the next-generation wireless communication network. A direct solution involves obtaining a coverage manifold that visually showcases…

网络与互联网体系结构 · 计算机科学 2023-12-12 Ruibo Wang , Washim Uddin Mondal , Mustafa A. Kishk , Vaneet Aggarwal , Mohamed-Slim Alouini

This paper proposes a lossless point cloud (PC) geometry compression method that uses neural networks to estimate the probability distribution of voxel occupancy. First, to take into account the PC sparsity, our method adaptively partitions…

图像与视频处理 · 电气工程与系统科学 2021-07-02 Dat Thanh Nguyen , Maurice Quach , Giuseppe Valenzise , Pierre Duhamel

Mapping and localization are crucial problems in robotics and autonomous driving. Recent advances in 3D Gaussian Splatting (3DGS) have enabled precise 3D mapping and scene understanding by rendering photo-realistic images. However, existing…

机器人学 · 计算机科学 2025-01-24 Jaewon Lee , Mangyu Kong , Minseong Park , Euntai Kim

We introduce a class of scalable Bayesian hierarchical models for the analysis of massive geostatistical datasets. The underlying idea combines ideas on high-dimensional geostatistics by partitioning the spatial domain and modeling the…

统计方法学 · 统计学 2020-10-09 Michele Peruzzi , Sudipto Banerjee , Andrew O. Finley

Medical image reconstruction with pre-trained score-based generative models (SGMs) has advantages over other existing state-of-the-art deep-learned reconstruction methods, including improved resilience to different scanner setups and…

This work addresses the task of modeling spatiotemporal traffic patterns directly from overhead imagery, which we refer to as image-driven traffic modeling. We extend this line of work and introduce a multi-modal, multi-task…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Scott Workman , Armin Hadzic

Probabilistic 3D point cloud registration methods have shown competitive performance in overcoming noise, outliers, and density variations. However, registering point cloud pairs in the case of partial overlap is still a challenge. This…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Guofeng Mei , Fabio Poiesi , Cristiano Saltori , Jian Zhang , Elisa Ricci , Nicu Sebe

Diffusion Probabilistic Methods are employed for state-of-the-art image generation. In this work, we present a method for extending such models for performing image segmentation. The method learns end-to-end, without relying on a…

计算机视觉与模式识别 · 计算机科学 2022-09-08 Tomer Amit , Tal Shaharbany , Eliya Nachmani , Lior Wolf

We develop a probabilistic technique for colorizing grayscale natural images. In light of the intrinsic uncertainty of this task, the proposed probabilistic framework has numerous desirable properties. In particular, our model is able to…

计算机视觉与模式识别 · 计算机科学 2017-05-12 Amelie Royer , Alexander Kolesnikov , Christoph H. Lampert

In this paper, we develop a high-dimensional map building technique that incorporates raw pixelated semantic measurements into the map representation. The proposed technique uses Gaussian Processes (GPs) multi-class classification for map…

机器人学 · 计算机科学 2017-07-07 Maani Ghaffari Jadidi , Lu Gan , Steven A. Parkison , Jie Li , Ryan M. Eustice

Achieving real-time Simultaneous Localization and Mapping (SLAM) based on 3D Gaussian splatting (3DGS) in large-scale real-world environments remains challenging, as existing methods still struggle to jointly achieve low-latency pose…