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相关论文: Video super-resolution for single-photon LIDAR

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Real-time 3D reconstruction enables fast dense mapping of the environment which benefits numerous applications, such as navigation or live evaluation of an emergency. In contrast to most real-time capable approaches, our approach does not…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Max Hermann , Boitumelo Ruf , Martin Weinmann

Inferring the depth of images is a fundamental inverse problem within the field of Computer Vision since depth information is obtained through 2D images, which can be generated from infinite possibilities of observed real scenes. Benefiting…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Raul de Queiroz Mendes , Eduardo Godinho Ribeiro , Nicolas dos Santos Rosa , Valdir Grassi

The Multipath effect in Time-of-Flight(ToF) cameras still remains to be a challenging problem that hinders further processing of 3D data information. Based on the evidence from previous literature, we explored the possibility of using…

计算机视觉与模式识别 · 计算机科学 2016-01-13 Mojmir Mutny , Rahul Nair , Jens-Malte Gottfried

LiDAR sensors are widely used in autonomous driving due to the reliable 3D spatial information. However, the data of LiDAR is sparse and the frequency of LiDAR is lower than that of cameras. To generate denser point clouds spatially and…

计算机视觉与模式识别 · 计算机科学 2021-12-09 Xudong Huang , Chunyu Lin , Haojie Liu , Lang Nie , Yao Zhao

UAVs have become an essential photogrammetric measurement as they are affordable, easily accessible and versatile. Aerial images captured from UAVs have applications in small and large scale texture mapping, 3D modelling, object detection…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Logambal Madhuanand , Francesco Nex , Michael Ying Yang

In this work, a deep learning approach has been developed to carry out road detection using only LIDAR data. Starting from an unstructured point cloud, top-view images encoding several basic statistics such as mean elevation and density are…

计算机视觉与模式识别 · 计算机科学 2017-03-30 Luca Caltagirone , Samuel Scheidegger , Lennart Svensson , Mattias Wahde

Indirect Time-of-Flight (iToF) cameras are a promising depth sensing technology. However, they are prone to errors caused by multi-path interference (MPI) and low signal-to-noise ratio (SNR). Traditional methods, after denoising, mitigate…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Felipe Gutierrez-Barragan , Huaijin Chen , Mohit Gupta , Andreas Velten , Jinwei Gu

Capturing different intensity and directions of light rays at the same scene Light field (LF) can encode the 3D scene cues into a 4D LF image which has a wide range of applications (i.e. post-capture refocusing and depth sensing). LF image…

图像与视频处理 · 电气工程与系统科学 2024-09-27 Zhongxin Yu , Liang Chen , Zhiyun Zeng , Kunping Yang , Shaofei Luo , Shaorui Chen , Cheng Zhong

In this paper, a novel amplitude-modulated continuous wave (AMCW) time-of-flight (ToF) scanning sensor based on digital-parallel demodulation is proposed and demonstrated in the aspect of distance measurement precision. Since…

信号处理 · 电气工程与系统科学 2023-04-25 Sung-Hyun Lee , Wook-Hyeon Kwon , Yoon-Seop Lim , Yong-Hwa Park

Near field depth estimation around a self driving car is an important function that can be achieved by four wide angle fisheye cameras having a field of view of over 180. Depth estimation based on convolutional neural networks (CNNs)…

计算机视觉与模式识别 · 计算机科学 2018-09-25 Varun Ravi Kumar , Stefan Milz , Martin Simon , Christian Witt , Karl Amende , Johannes Petzold , Senthil Yogamani , Timo Pech

Time-of-flight (ToF) sensors provide an imaging modality fueling diverse applications, including LiDAR in autonomous driving, robotics, and augmented reality. Conventional ToF imaging methods estimate the depth by sending pulses of light…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Seung-Hwan Baek , Felix Heide

This paper addresses the problem of dense depth predictions from sparse distance sensor data and a single camera image on challenging weather conditions. This work explores the significance of different sensor modalities such as camera,…

计算机视觉与模式识别 · 计算机科学 2020-12-18 Sadique Adnan Siddiqui , Axel Vierling , Karsten Berns

In this work, we propose a method for three-dimensional (3D) reconstruction of wide crime scene, based on a Simultaneous Localization and Mapping (SLAM) approach. We used a Kinect V2 Time-of-Flight (TOF) RGB-D camera to provide colored…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Silvio Giancola , Daniele Piron , Pasquale Poppa , Remo Sala

Deep neural networks are applied to a wide range of problems in recent years. In this work, Convolutional Neural Network (CNN) is applied to the problem of determining the depth from a single camera image (monocular depth). Eight different…

计算机视觉与模式识别 · 计算机科学 2018-08-22 S. Bazrafkan , H. Javidnia , J. Lemley , P. Corcoran

Time of flight cameras may emerge as the 3-D sensor of choice. Today, time of flight sensors use phase-based sampling, where the phase delay between emitted and received, high-frequency signals encodes distance. In this paper, we present a…

计算机视觉与模式识别 · 计算机科学 2015-03-11 Achuta Kadambi , Vage Taamazyan , Suren Jayasuriya , Ramesh Raskar

Active 3D imaging systems have broad applications across disciplines, including biological imaging, remote sensing and robotics. Applications in these domains require fast acquisition times, high timing resolution, and high detection…

应用物理 · 物理学 2018-06-12 Felix Heide , Steven Diamond , David B. Lindell , Gordon Wetzstein

We aim to generate high resolution shallow depth-of-field (DoF) images from a single all-in-focus image with controllable focal distance and aperture size. To achieve this, we propose a novel neural network model comprised of a depth…

计算机视觉与模式识别 · 计算机科学 2018-10-19 Lijun Wang , Xiaohui Shen , Jianming Zhang , Oliver Wang , Zhe Lin , Chih-Yao Hsieh , Sarah Kong , Huchuan Lu

Autonomous navigation in underwater environments presents challenges due to factors such as light absorption and water turbidity, limiting the effectiveness of optical sensors. Sonar systems are commonly used for perception in underwater…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Ivano Donadi , Emilio Olivastri , Daniel Fusaro , Wanmeng Li , Daniele Evangelista , Alberto Pretto

A reliable sense-and-avoid system is critical to enabling safe autonomous operation of unmanned aircraft. Existing sense-and-avoid methods often require specialized sensors that are too large or power intensive for use on small unmanned…

计算机视觉与模式识别 · 计算机科学 2021-11-04 John Mern , Kyle Julian , Rachael E. Tompa , Mykel J. Kochenderfer

High-accuracy per-pixel depth is vital for computational photography, so smartphones now have multimodal camera systems with time-of-flight (ToF) depth sensors and multiple color cameras. However, producing accurate high-resolution depth is…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Andreas Meuleman , Hakyeong Kim , James Tompkin , Min H. Kim