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We are working towards 3D reconstruction of indoor spaces using a pair of HDR cameras in a stereo vision configuration mounted on an indoor mobile floor robot that captures various textures and spatial features as 2D images and this data is…

计算机视觉与模式识别 · 计算机科学 2023-06-13 Kshitij Karnawat , Hritvik Choudhari , Abhimanyu Saxena , Mudit Singal , Raajith Gadam

3D reconstruction aims to recover the dense 3D structure of a scene. It plays an essential role in various applications such as Augmented/Virtual Reality (AR/VR), autonomous driving and robotics. Leveraging multiple views of a scene…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Fangjinhua Wang , Qingtian Zhu , Di Chang , Quankai Gao , Junlin Han , Tong Zhang , Richard Hartley , Marc Pollefeys

We study a multiple measurement vector (MMV) approach to synthetic aperture radar (SAR) imaging of scenes with direction dependent reflectivity and with polarization diverse measurements. The data are gathered by a moving transmit- receive…

最优化与控制 · 数学 2017-11-08 Liliana Borcea , Ilker Kocyigit

We present a technique for simultaneous 3D reconstruction of static regions and rigidly moving objects in a scene. An RGB-D frame is represented as a collection of features, which are points and planes. We classify the features into static…

计算机视觉与模式识别 · 计算机科学 2018-02-14 Sergio Caccamo , Esra Ataer-Cansizoglu , Yuichi Taguchi

Recently, camera-radar fusion-based 3D object detection methods in bird's eye view (BEV) have gained attention due to the complementary characteristics and cost-effectiveness of these sensors. Previous approaches using forward projection…

计算机视觉与模式识别 · 计算机科学 2025-09-09 In-Jae Lee , Sihwan Hwang , Youngseok Kim , Wonjune Kim , Sanmin Kim , Dongsuk Kum

5G millimeter wave (mmWave) signals can enable accurate positioning in vehicular networks when the base station and vehicles are equipped with large antenna arrays. However, radio-based positioning suffers from multipath signals generated…

信号处理 · 电气工程与系统科学 2020-02-27 Hyowon Kim , Karl Granström , Lin Gao , Giorgio Battistelli , Sunwoo Kim , Henk Wymeersch

3D recovery from multi-stereo and stereo images, as an important application of the image-based perspective geometry, serves many applications in computer vision, remote sensing and Geomatics. In this chapter, the authors utilize the…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Rongjun Qin , Shuang Song , Xiao Ling , Mostafa Elhashash

3D object reconstruction based on deep neural networks has gained increasing attention in recent years. However, 3D reconstruction of underground objects to generate point cloud maps remains a challenge. Ground Penetrating Radar (GPR) is…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Jinchang Zhang , Guoyu Lu

The reconstruction of accurate three-dimensional environment models is one of the most fundamental goals in the field of photogrammetry. Since satellite images provide suitable properties for obtaining large-scale environment…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Sebastian Bullinger , Christoph Bodensteiner , Michael Arens

Synthetic aperture radar (SAR) tomography (TomoSAR) retrieves three-dimensional (3-D) information from multiple SAR images, effectively addresses the layover problem, and has become pivotal in urban mapping. Unmanned aerial vehicle (UAV)…

信号处理 · 电气工程与系统科学 2024-02-05 Silin Gao , Wenlong Wang , Muhan Wang , Zhe Zhang , Zai Yang , Xiaolan Qiu , Bingchen Zhang , Yirong Wu

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…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Lior Yariv , Yoni Kasten , Dror Moran , Meirav Galun , Matan Atzmon , Ronen Basri , Yaron Lipman

Localization and Mapping is an essential component to enable Autonomous Vehicles navigation, and requires an accuracy exceeding that of commercial GPS-based systems. Current odometry and mapping algorithms are able to provide this accurate…

计算机视觉与模式识别 · 计算机科学 2019-10-09 Victor Vaquero , Kai Fischer , Francesc Moreno-Noguer , Alberto Sanfeliu , Stefan Milz

We propose an analysis-by-synthesis method for fast multi-view 3D reconstruction of opaque objects with arbitrary materials and illumination. State-of-the-art methods use both neural surface representations and neural rendering. While…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Markus Worchel , Rodrigo Diaz , Weiwen Hu , Oliver Schreer , Ingo Feldmann , Peter Eisert

3D object reconstruction is a fundamental task of many robotics and AI problems. With the aid of deep convolutional neural networks (CNNs), 3D object reconstruction has witnessed a significant progress in recent years. However, possibly due…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Hanqing Wang , Jiaolong Yang , Wei Liang , Xin Tong

Unmanned aerial vehicles (UAVs) equipped with multiple complementary sensors have tremendous potential for fast autonomous or remote-controlled semantic scene analysis, e.g., for disaster examination. In this work, we propose a UAV system…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Simon Bultmann , Jan Quenzel , Sven Behnke

4D millimeter-wave (mmWave) radar has been widely adopted in autonomous driving and robot perception due to its low cost and all-weather robustness. However, point-cloud-based radar representations suffer from information loss due to…

计算机视觉与模式识别 · 计算机科学 2026-01-16 Runwei Guan , Jianan Liu , Shaofeng Liang , Fangqiang Ding , Shanliang Yao , Xiaokai Bai , Daizong Liu , Tao Huang , Guoqiang Mao , Hui Xiong

Object detection in unmanned aerial vehicle (UAV) imagery presents significant challenges. Issues such as densely packed small objects, scale variations, and occlusion are commonplace. This paper introduces RT-DETR++, which enhances the…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Yuan Shufang

Micro-aerial vehicles (MAVs) are becoming ubiquitous across multiple industries and application domains. Lightweight MAVs with only an onboard flight controller and a minimal sensor suite (e.g., IMU, vision, and vertical ranging sensors)…

机器人学 · 计算机科学 2021-05-03 Li Qingqing , Yu Xianjia , Jorge Peña Queralta , Tomi Westerlund

Millimeter Wave Radar is being adopted as a viable alternative to lidar and radar in adverse visually degraded conditions, such as the presence of fog and dust. However, this sensor modality suffers from severe sparsity and noise under…

机器人学 · 计算机科学 2023-10-23 Ajay Narasimha Mopidevi , Kyle Harlow , Christoffer Heckman

Objects manipulated by the hand (i.e., manipulanda) are particularly challenging to reconstruct from Internet videos. Not only does the hand occlude much of the object, but also the object is often only visible in a small number of image…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Jane Wu , Georgios Pavlakos , Georgia Gkioxari , Jitendra Malik