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Several methods have been proposed for correcting the elevation bias in digital elevation models (DEMs) for example, linear regression. Nowadays, supervised machine learning enables the modelling of complex relationships between variables,…

机器学习 · 计算机科学 2024-02-13 Chukwuma Okolie , Adedayo Adeleke , Julian Smit , Jon Mills , Iyke Maduako , Caleb Ogbeta

The accuracy of digital elevation models (DEMs) in urban areas is influenced by numerous factors including land cover and terrain irregularities. Moreover, building artifacts in global DEMs cause artificial blocking of surface flow…

机器学习 · 计算机科学 2023-08-15 Chukwuma Okolie , Jon Mills , Adedayo Adeleke , Julian Smit

High-resolution elevation data is essential for hydrological modeling, hazard assessment, and environmental monitoring; however, globally consistent, fine-scale Digital Elevation Models (DEMs) remain unavailable. Very high-resolution…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Osher Rafaeli , Tal Svoray , Ariel Nahlieli

Modern detection transformers (DETRs) use a set of object queries to predict a list of bounding boxes, sort them by their classification confidence scores, and select the top-ranked predictions as the final detection results for the given…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Yifan Pu , Weicong Liang , Yiduo Hao , Yuhui Yuan , Yukang Yang , Chao Zhang , Han Hu , Gao Huang

We demonstrate high fidelity enhancement of planetary digital elevation models (DEMs) using optical images and deep learning with convolutional neural networks. Enhancement can be applied recursively to the limit of available optical data,…

计算机视觉与模式识别 · 计算机科学 2021-01-14 Casey Handmer

Digital Elevation Model (DEM), while providing a bare earth look, is heavily used in many applications including construction modeling, visualization, and GIS. Their registration techniques have not been explored much. Methods like…

计算机视觉与模式识别 · 计算机科学 2014-06-02 Suma Dawn , Vikas Saxena , Bhu Dev Sharma

Digital Elevation Models (DEMs) are important datasets for modelling the line of sight, such as radio signals, sound waves and human vision. These are commonly analyzed using rotational sweep algorithms. However, such algorithms require…

数据结构与算法 · 计算机科学 2021-01-25 A. J. Sanchez-Fernandez , L. F. Romero , G. Bandera , S. Tabik

High resolution Digital Elevation Models(DEMs) are an important requirement for many applications like modelling water flow, landslides, avalanches etc. Yet publicly available DEMs have low resolution for most parts of the world. Despite…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Ashish Kubade , Avinash Sharma , K S Rajan

The exponential growth in the number of complex datasets every year requires more enhancement in machine learning methods to provide robust and accurate data classification. Lately, deep learning approaches have achieved surpassing results…

机器学习 · 计算机科学 2018-10-22 Mojtaba Heidarysafa , Kamran Kowsari , Donald E. Brown , Kiana Jafari Meimandi , Laura E. Barnes

A first assessment of the TanDEM-X DEMs over Brazilian territory is presented through a comparison with SRTM, ASTER GDEM and ALOS AW3D30 DEMs in seven study areas with distinct geomorphological contexts, vegetation coverage and land use.…

地球物理 · 物理学 2018-05-07 Carlos H. Grohmann

Digital Elevation Model (DEM) is an essential aspect in the remote sensing domain to analyze and explore different applications related to surface elevation information. In this study, we intend to address the generation of high-resolution…

图像与视频处理 · 电气工程与系统科学 2024-09-23 Subhajit Paul , Ashutosh Gupta

In the last decades, the development of smartphones, drones, aerial patrols, and digital cameras enabled high-quality photographs available to large populations and, thus, provides an opportunity to collect massive data of the nature and…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Behzad Golparvar , Ruo-Qian Wang

High-resolution digital elevation models (DEMs) of the lunar surface are essential for surface mobility planning, landing site characterization, and planetary science. The Orbiter High Resolution Camera (OHRC) on board Chandrayaan-2 has the…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Aaranay Aadi , Jai Singla , Nitant Dube , Oleg Alexandrov

Ranked search results have become the main mechanism by which we find content, products, places, and people online. Thus their ordering contributes not only to the satisfaction of the searcher, but also to career and business opportunities,…

信息检索 · 计算机科学 2020-05-28 Meike Zehlike , Carlos Castillo

Under mild conditions on the noise level of the measurements, rotation averaging satisfies strong duality, which enables global solutions to be obtained via semidefinite programming (SDP) relaxation. However, generic solvers for SDP are…

计算机视觉与模式识别 · 计算机科学 2021-03-17 Álvaro Parra , Shin-Fang Chng , Tat-Jun Chin , Anders Eriksson , Ian Reid

The increasing volume of scientific publications and grant proposals has generated an unprecedentedly high workload to scientific communities. Consequently, review quality has been decreasing and review outcomes have become less correlated…

数字图书馆 · 计算机科学 2019-10-09 Albert Steppi , Jinchan Qu , Minjing Tao , Tingting Zhao , Xiaodong Pang , Jinfeng Zhang

Most of object detection algorithms can be categorized into two classes: two-stage detectors and one-stage detectors. Recently, many efforts have been devoted to one-stage detectors for the simple yet effective architecture. Different from…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Qi Qian , Lei Chen , Hao Li , Rong Jin

In this paper, we borrow from blind noise parameter estimation (BNPE) methodology early developed in the image processing field an original and innovative no-reference approach to estimate Digital Elevation Model (DEM) vertical error…

计算机视觉与模式识别 · 计算机科学 2018-01-25 Mykhail Uss , Benoit Vozel , Vladimir Lukin , Kacem Chehdi

Studies on rapid change detection of large area urgently need to be extended from 2D image to digital elevation model (DEM) due to the challenge of changes caused by disasters. This research investigates positional uncertainty of digital…

地球物理 · 物理学 2022-06-03 Chang Li , Qi Meng , Dong Wei , Wenzhong Shi , Ming Hao

We consider the recently introduced application of the Deck of Cards Method (DCM) to ordinal regression proposing two extensions related to two main research trends in Multiple Criteria Decision Aiding, namely scaling and ordinal regression…

最优化与控制 · 数学 2025-03-19 Salvatore Corrente , Salvatore Greco , Silvano Zappalá
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