Results 31 to 40 of about 1,674,951 (305)

Accuracy Analysis of a 3D Model of Excavation, Created from Images Acquired with an Action Camera from Low Altitudes

open access: yesISPRS International Journal of Geo-Information, 2019
In the last few years, Unmanned Aerial Vehicles (UAVs) equipped with compact digital cameras, have become a cheap and efficient alternative to classic aerial photogrammetry and close-range photogrammetry.
Damian Wierzbicki, Marcin Nienaltowski
doaj   +1 more source

USE OF OPENLY AVAILABLE SATELLITE IMAGES FOR REMOTE SENSING EDUCATION [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
With the advent of Google Earth, Google Maps, and Microsoft Bing Maps, high resolution satellite imagery are becoming more easily accessible than ever.
C.-K. Wang
doaj   +1 more source

An Improvement in the Identification of the Centres of Checkerboard Targets in Point Clouds Using Terrestrial Laser Scanning

open access: yesSensors, 2019
Measurement using terrestrial laser scanning is performed at several stations to measure an entire object. In order to obtain a complete and uniform point cloud, it is necessary to register each and every scan in one local or global coordinate system ...
Anna Fryskowska
doaj   +1 more source

Potential Assessment of PRISMA Hyperspectral Imagery for Remote Sensing Applications

open access: yes, 2023
Hyperspectral imagery plays a vital role in precision agriculture, forestry, environment, and geological applications. Over the past decade, extensive research has been carried out in the field of hyperspectral remote sensing.
Riyaaz Uddien Shaik   +2 more
core   +1 more source

Dynamical Analysis of Hydrological Indexes Extracted from Remote Sensing Imagery: An Introductory Study [PDF]

open access: yes, 2007
A new intelligent computational paradigm based on filtering techniques modified to enhance the quality of reconstruction of the physical characteristics of environmental electronic maps extracted from the large scale remote sensing imagery is proposed ...
Ivan E. Villalon-Turrubiates   +1 more
core   +1 more source

Improvement of 3D Power Line Extraction from Multiple Low-Cost UAV Imagery Using Wavelet Analysis

open access: yesSensors, 2019
Three-dimensional (3D) mapping of power lines is very important for power line inspection. Many remotely-sensed data products like light detection and ranging (LiDAR) have been already studied for power line surveys. More and more data are being obtained
Anna Fryskowska
doaj   +1 more source

Multi-sensor remote sensing information fusion for urban area classification and change detection [PDF]

open access: yes, 2011
Information extraction from multi-sensor remote sensing imagery is an important and challenging task for many applications such as urban area mapping and change detection. A special acquisition (orthogonal) geometry is of great importance for optical and
Palubinskas, Gintautas   +5 more
core   +1 more source

Multi-Camera Imaging System for UAV Photogrammetry

open access: yesSensors, 2018
In the last few years, it has been possible to observe a considerable increase in the use of unmanned aerial vehicles (UAV) equipped with compact digital cameras for environment mapping.
Damian Wierzbicki
doaj   +1 more source

Detection of Traffic Congestion in Optical Remote Sensing Imagery [PDF]

open access: yesIGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium, 2008
A new approach for the traffic congestion detection in time series of optical digital camera images is proposed. It is well suited to derive various traffic parameters such as vehicle density, average vehicle velocity, beginning and end of congestion, length of congestion or for other traffic monitoring applications.
Palubinskas, Gintautas   +2 more
openaire   +2 more sources

Automatic mapping of winter wheat planting structure and phenological phases using time-series sentinel data

open access: yesScientific Reports
The precise extraction of winter wheat planting structure holds significant importance for food security risk assessment, agricultural resource management, and governmental decision-making.
Changkui Sun   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy