中文
相关论文

相关论文: High-Dynamic-Range Imaging for Cloud Segmentation

200 篇论文

High dynamic range (HDR) video reconstruction from sequences captured with alternating exposures is a very challenging problem. Existing methods often align low dynamic range (LDR) input sequence in the image space using optical flow, and…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Guanying Chen , Chaofeng Chen , Shi Guo , Zhetong Liang , Kwan-Yee K. Wong , Lei Zhang

Recently, cross-source point cloud registration from different sensors has become a significant research focus. However, traditional methods confront challenges due to the varying density and structure of cross-source point clouds. In order…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Yu Wang , Shuhui Bu , Lin Chen , Yifei Dong , Kun Li , Xuefeng Cao , Ke Li

Recent advances in Computer Vision and Deep Learning have enabled astonishing results in a variety of fields and applications. Motivated by this success, the SkyCam Dataset aims to enable image-based Deep Learning solutions for short-term,…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Evangelos Ntavelis , Jan Remund , Philipp Schmid

Ground-based whole sky imagers (WSIs) are being used by researchers in various fields to study the atmospheric events. These ground-based sky cameras capture visible-light images of the sky at regular intervals of time. Owing to the…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Mayank Jain , Navya Jain , Yee Hui Lee , Stefan Winkler , Soumyabrata Dev

Color channel selection is essential for accurate segmentation of sky and clouds in images obtained from ground-based sky cameras. Most prior works in cloud segmentation use threshold based methods on color channels selected in an ad-hoc…

计算机视觉与模式识别 · 计算机科学 2017-03-08 Soumyabrata Dev , Florian M. Savoy , Yee Hui Lee , Stefan Winkler

Thanks to High Dynamic Range (HDR) imaging methods, the scope of photography has seen profound changes recently. To be more specific, such methods try to reconstruct the lost luminosity of the real world caused by the limitation of regular…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Ali Reza Omrani , Davide Moroni

Different empirical models have been developed for cloud detection. There is a growing interest in using the ground-based sky/cloud images for this purpose. Several methods exist that perform binary segmentation of clouds. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2019-03-18 Soumyabrata Dev , Shilpa Manandhar , Yee Hui Lee , Stefan Winkler

Semantic outdoor scene understanding based on 3D LiDAR point clouds is a challenging task for autonomous driving due to the sparse and irregular data structure. This paper takes advantages of the uneven range distribution of different LiDAR…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Tzu-Hsuan Chen , Tian Sheuan Chang

We present an efficient and scalable algorithm for segmenting 3D RGBD point clouds by combining depth, color, and temporal information using a multistage, hierarchical graph-based approach. Our algorithm processes a moving window over…

计算机视觉与模式识别 · 计算机科学 2018-01-30 Steven Hickson , Stan Birchfield , Irfan Essa , Henrik Christensen

This work has been accepted by IEEE TGRS for publication. The majority of optical observations acquired via spaceborne earth imagery are affected by clouds. While there is numerous prior work on reconstructing cloud-covered information,…

图像与视频处理 · 电气工程与系统科学 2021-07-07 Patrick Ebel , Andrea Meraner , Michael Schmitt , Xiaoxiang Zhu

This research paper introduces a synthetic hyperspectral dataset that combines high spectral and spatial resolution imaging to achieve a comprehensive, accurate, and detailed representation of observed scenes or objects. Obtaining such…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Yajie Sun , Ali Zia , Jun Zhou

Millimeter-wave radar plays a vital role in 3D object detection for autonomous driving due to its all-weather and all-lighting-condition capabilities for perception. However, radar point clouds suffer from pronounced sparsity and…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Zijian Gu , Jianwei Ma , Yan Huang , Honghao Wei , Zhanye Chen , Hui Zhang , Wei Hong

We propose a novel filter for segmenting the regions of interest from LiDAR 3D point cloud for multirotor aerial vehicles. It is specially targeted for real-time applications and works on sparse LiDAR point clouds without preliminary…

机器人学 · 计算机科学 2020-10-12 Geesara Prathap , Roman Fedorenko , Alexandr Klimchik

Acquisition of data with adverse conditions in robotics is a cumbersome task due to the difficulty in guaranteeing proper ground truth and synchronising with desired weather conditions. In this paper, we present a simple method - recording…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Horia Porav , Valentina-Nicoleta Musat , Tom Bruls , Paul Newman

Aligning partial views of a scene into a single whole is essential to understanding one's environment and is a key component of numerous robotics tasks such as SLAM and SfM. Recent approaches have proposed end-to-end systems that can…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Mohamed El Banani , Luya Gao , Justin Johnson

Recent High Dynamic Range (HDR) techniques extend the capabilities of current cameras where scenes with a wide range of illumination can not be accurately captured with a single low-dynamic-range (LDR) image. This is generally accomplished…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Michal Nazarczuk , Sibi Catley-Chandar , Ales Leonardis , Eduardo Pérez-Pellitero

Capturing High Dynamic Range (HDR) scenery using 8-bit cameras often suffers from over-/underexposure, loss of fine details due to low bit-depth compression, skewed color distributions, and strong noise in dark areas. Traditional LDR image…

图像与视频处理 · 电气工程与系统科学 2024-06-14 Baiang Li , Sizhuo Ma , Yanhong Zeng , Xiaogang Xu , Youqing Fang , Zhao Zhang , Jian Wang , Kai Chen

High dynamic range (HDR) imaging is a technique that allows an extensive dynamic range of exposures, which is important in image processing, computer graphics, and computer vision. In recent years, there has been a significant advancement…

图像与视频处理 · 电气工程与系统科学 2021-11-12 Lin Wang , Kuk-Jin Yoon

Panoramic segmentation is a scene where image segmentation tasks is more difficult. With the development of CNN networks, panoramic segmentation tasks have been sufficiently developed.However, the current panoramic segmentation algorithms…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Jiahong Wu , Jianfei Lu , Xinxin Kang , Yiming Zhang , Yinhang Tang , Jianfei Song , Ze Huang , Shenglan Ben , Jiashui Huang , Faen Zhang

Digital imaging aims to replicate realistic scenes, but Low Dynamic Range (LDR) cameras cannot represent the wide dynamic range of real scenes, resulting in under-/overexposed images. This paper presents a deep learning-based approach for…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Dwip Dalal , Gautam Vashishtha , Prajwal Singh , Shanmuganathan Raman