Results 31 to 40 of about 345,425 (267)

Tree cover change detection through Artificial Neural Network classification using Landsat TM and ETM+ images (case study: Golestan Province, Iran) [PDF]

open access: yesتحقیقات جنگل و صنوبر ایران, 2008
The aim of this research was to detect tree cover changes through Artificial Neural Network classification and post-classification comparison methods using landsat TM and ETM+ images in Golestan province, north of Iran with area of 20437.74 ha. Land uses
Abdorrasool Salman Mahini   +3 more
doaj  

GEO-REGISTERING CONSECUTIVE DATASETS BY MEANS OF A REFERENCE DATASET, ELIMINATING GROUND CONTROL POINT INDICATION [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
The architecture, engineering and construction (AEC) industry’s interest in more advanced ways of regular monitoring of construction site activities and the achieved building progress has been rising recently.
S. Vincke, M. Vergauwen
doaj   +1 more source

SAR Interferometric Baseline Refinement Based on Flat-Earth Phase without a Ground Control Point

open access: yesRemote Sensing, 2020
Interferometric baseline estimation is a key procedure of interferometric synthetic aperture radar (SAR) data processing. The error of the interferometric baseline affects not only the removal of the flat-earth phase, but also the transformation ...
Bing Xu   +4 more
doaj   +1 more source

RESEARCH ON EVALUATION METHOD OF AIRBORNE LIDAR POSITIONING ACCURACY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
Due to the semi-random characteristics of ground points collected by airborne LIDAR system, it is difficult to control the laser pin points to fall on the control points with known coordinates in actual measurement, so the accuracy can not be evaluated ...
Y. Zhang   +9 more
doaj   +1 more source

Potential for Resurs DK-1 satellite data

open access: yesGeodesy and Cartography, 2012
The result of the research project funded by the Polish Ministry of Science and Higher Education is presented. The main aim of the project was the assessment of the new Russian satellite data for orthophoto generation.
Ireneusz Ewiak, Romuald Kaczynski
doaj   +1 more source

PRODUCT ACCURACY EFFECT OF OBLIQUE AND VERTICAL NON-METRIC DIGITAL CAMERA UTILIZATION IN UAV-PHOTOGRAMMETRY TO DETERMINE FAULT PLANE [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
This study aims to see the effect of non-metric oblique and vertical camera combination along with the configuration of the ground control points to improve the precision and accuracy in UAV-Photogrammetry project.
C. Amrullah, D. Suwardhi, I. Meilano
doaj   +1 more source

ASSESSMENT OF THE PROPERTIES OF ASPHALT MODIFIED WITH USED TIRES [PDF]

open access: yesCivil Engineering Journal, 2017
This study investigates the properties of asphalt mix modified with ground tire. The ground tire was introduced into the asphalt in a melted form at varying percentages of 2%, 4%, 6%, 8% and 10% by weight of the asphalt.
Olufikayo Aderinlewo
doaj   +1 more source

PRECISION ANALYSIS OF POINT-AND-SCALE PHOTOGRAMMETRIC MEASUREMENTS FOR CORRIDOR MAPPING: PRELIMINARY RESULTS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
This paper addresses the key aspects of the sensor orientation and calibration approach within the mapKITE concept for corridor mapping, focusing on the contribution analysis of point-and-scale measurements of kinematic ground control points.
P. Molina   +3 more
doaj   +1 more source

Short Communication: A simple workflow for robust low-cost UAV-derived change detection without ground control points [PDF]

open access: yesEarth Surface Dynamics, 2019
High-quality 3-D point clouds generated from repeat camera-equipped unmanned aerial vehicle (UAV) surveys are increasingly being used to investigate landscape changes and geomorphic processes.
K. L. Cook, M. Dietze
doaj   +1 more source

AN EVALUATION ON DIFFERENT NUMBER OF GROUND CONTROL POINTS IN UNMANNED AERIAL VEHICLE PHOTOGRAMMETRIC BLOCK [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
This paper presents a novel method of unmanned aerial vehicle image processing using photogrammetric technique. The study area consist different slope class which involves undulating area around the Skudai area, Malaysia.
K. N. Tahar
doaj   +1 more source

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