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Semantic segmentation of raw 3D point clouds is an essential component in 3D scene analysis, but it poses several challenges, primarily due to the non-Euclidean nature of 3D point clouds. Although, several deep learning based approaches…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Saqib Ali Khan , Yilei Shi , Muhammad Shahzad , Xiao Xiang Zhu

The reconstruction of ocean subsurface temperature (OST) using satellite remote sensing data holds significant scientific value for advancing the understanding of ocean dynamics and climate variability. However, the scarcity of subsurface…

Atmospheric and Oceanic Physics · Physics 2026-05-05 Ming Shan Loo , Wengen Li , Xudong Jiang , Hailiang Cheng , Zhifei Zhang , Jihong Guan , Yichao Zhang

Accurate environment maps are a key component in rendering photorealistic outdoor scenes with coherent illumination. They enable captivating visual arts, immersive virtual reality and a wide range of engineering and scientific applications.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Ian J. Maquignaz

Image retrieval refers to finding relevant images from an image database for a query, which is considered difficult for the gap between low-level representation of images and high-level representation of queries. Recently further developed…

Computer Vision and Pattern Recognition · Computer Science 2013-12-24 Yalong Bai , Kuiyuan Yang , Wei Yu , Wei-Ying Ma , Tiejun Zhao

Weather sensing and forecasting has become increasingly accurate in the last decade thanks to high-resolution radars, efficient computational algorithms, and high-performance computing facilities. Through a distributed and federated network…

Networking and Internet Architecture · Computer Science 2022-03-29 Robert Thompson , Eric Lyons , Ishita Dasgupta , Spyridon Mastorakis , Michael Zink , Susmit Shannigrahi

mmWave radar has been shown as an effective sensing technique in low visibility, smoke, dusty, and dense fog environment. However tapping the potential of radar sensing to reconstruct 3D object shapes remains a great challenge, due to the…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Yue Sun , Zhuoming Huang , Honggang Zhang , Zhi Cao , Deqiang Xu

High quality upsampling of sparse 3D point clouds is critically useful for a wide range of geometric operations such as reconstruction, rendering, meshing, and analysis. In this paper, we propose a data-driven algorithm that enables an…

Computer Vision and Pattern Recognition · Computer Science 2019-06-24 Wentai Zhang , Haoliang Jiang , Zhangsihao Yang , Soji Yamakawa , Kenji Shimada , Levent Burak Kara

In this work we address the challenging problem of multiview 3D surface reconstruction. We introduce a neural network architecture that simultaneously learns the unknown geometry, camera parameters, and a neural renderer that approximates…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Lior Yariv , Yoni Kasten , Dror Moran , Meirav Galun , Matan Atzmon , Ronen Basri , Yaron Lipman

Large aperture ground based solar telescopes allow the solar atmosphere to be resolved in unprecedented detail. However, observations are limited by Earths turbulent atmosphere, requiring post image corrections. Current reconstruction…

Solar and Stellar Astrophysics · Physics 2025-06-06 Christoph Schirninger , Robert Jarolim , Astrid M. Veronig , Christoph Kuckein

Diffusion models are rapidly redefining 3D anomaly detection in point cloud data. As 3D sensing becomes integral to modern manufacturing, reliable anomaly detection is essential for high-throughput quality assurance and process control. Yet…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Pranav A , Shashank B , Pranav Siddappa , Dominik Seuss , Minal Moharir , Subramanya KN

Cloud detection from remotely observed data is a critical pre-processing step for various remote sensing applications. In particular, this problem becomes even harder for RGB color images, since there is no distinct spectral pattern for…

Computer Vision and Pattern Recognition · Computer Science 2018-01-29 Savas Ozkan , Mehmet Efendioglu , Caner Demirpolat

3D anomaly detection is critical in industrial quality inspection. While existing methods achieve notable progress, their performance degrades in high-precision 3D anomaly detection due to insufficient global information. To address this,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Yihan Sun , Yuqi Cheng , Yunkang Cao , Yuxin Zhang , Weiming Shen

We present 3DVNet, a novel multi-view stereo (MVS) depth-prediction method that combines the advantages of previous depth-based and volumetric MVS approaches. Our key idea is the use of a 3D scene-modeling network that iteratively updates a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Alexander Rich , Noah Stier , Pradeep Sen , Tobias Höllerer

With the rise of machine learning, inference on deep neural networks (DNNs) has become a core building block on the critical path for many cloud applications. Applications today rely on isolated ad-hoc deployments that force users to…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-24 Amit Samanta , Suhas Shrinivasan , Antoine Kaufmann , Jonathan Mace

Deep Neural Network (DNN)-based image reconstruction, despite many successes, often exhibits uneven fidelity between high and low spatial frequency bands. In this paper we propose the Learning Synthesis by DNN (LS-DNN) approach where two…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Mo Deng , Shuai Li , George Barbastathis

LiDAR (Light Detection and Ranging) is an advanced active remote sensing technique working on the principle of time of travel (ToT) for capturing highly accurate 3D information of the surroundings. LiDAR has gained wide attention in…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Shreelakshmi C R , Surya S. Durbha , Gaganpreet Singh

3D point cloud has been widely used in many mobile application scenarios, including autonomous driving and 3D sensing on mobile devices. However, existing 3D point cloud models tend to be large and cumbersome, making them hard to deploy on…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Zhiyuan Yang , Yunjiao Zhou , Lihua Xie , Jianfei Yang

Smart monitoring using three-dimensional (3D) image sensors has been attracting attention in the context of smart cities. In smart monitoring, object detection from point cloud data acquired by 3D image sensors is implemented for detecting…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Kairi Tokuda , Ryoichi Shinkuma , Takehiro Sato , Eiji Oki

Deep neural networks (DNNs) have substantial computational requirements, which greatly limit their performance in resource-constrained environments. Recently, there are increasing efforts on optical neural networks and optical computing…

Machine Learning · Computer Science 2021-04-05 Yingjie Li , Ruiyang Chen , Berardi Sensale Rodriguez , Weilu Gao , Cunxi Yu

The detection of clouds in satellite images is an essential preprocessing task for big data in remote sensing. Convolutional neural networks (CNNs) have greatly advanced the state-of-the-art in the detection of clouds in satellite images,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-24 Joachim Nyborg , Ira Assent