Results 21 to 30 of about 48,254,805 (247)

Cloth Simulation Filtering Algorithm with Topography Cognition [PDF]

open access: yesJisuanji kexue, 2023
Digital elevation model(DEM) can reflect the topographic characteristics of an area and has a wide range of scientific research applications.Filtering LIDAR point cloud data,extracting the ground points and interpolating are common steps in constructing ...
MENG Huaru, WU Guowei
doaj   +1 more source

Accuracy assessment of TanDEM-X IDEM using airborne LiDAR on the area of Poland

open access: yesGeodesy and Cartography, 2017
The TerraSAR-X add-on for Digital Elevation Measurement (TanDEM-X) mission launched in 2010 is another programme – after the Shuttle Radar Topography Mission (SRTM) in 2000 – that uses space-borne radar interferometry to build a global digital surface ...
Woroszkiewicz Małgorzata   +2 more
doaj   +1 more source

Distributed texture-based terrain synthesis [PDF]

open access: yes, 2011
Terrain synthesis is an important field of Computer Graphics that deals with the generation of 3D landscape models for use in virtual environments. The field has evolved to a stage where large and even infinite landscapes can be generated in realtime ...
Tasse, Flora Ponjou
core   +1 more source

THE PRODUCTION OF A PHOTOREALISTIC DIGITAL TERRAIN MODEL (P.D.T.M.)

open access: yesJournal of Engineering, 2005
This research introduce an efficient and easy method to superimpose or merge an available digitized aerial photo on the common wireframe digital terrain model D.T.M.
Bashar Salem Al-Joboory
doaj   +1 more source

Leading Progress in Digital Terrain Analysis and Modeling

open access: yesISPRS International Journal of Geo-Information, 2019
Digital Terrain analysis (DTA) and modeling has been a flourishing interdisciplinary field for decades, with applications in hydrology, geomorphology, soil science, engineering projects and computer sciences.
Giulia Sofia   +3 more
doaj   +1 more source

A Method of Optimizing Terrain Rendering Using Digital Terrain Analysis

open access: yesISPRS International Journal of Geo-Information, 2021
Terrain rendering is an important issue in Geographic Information Systems and other fields. During large-scale, real-time terrain rendering, complex terrain structure and an increasing amount of data decrease the smoothness of terrain rendering. Existing
Lei Zhang   +4 more
doaj   +1 more source

MODELING OF THE "PLAN DA MATTUN" ARCHAEOLOGICAL SITE USING A COMBINATION OF DIFFERENT SENSORS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
Plan da Mattun is located at ~2200 metre above sea level in the Tasna valley in alpine south-eastern Switzerland. In this remote location, finds dating back to the time of Ötzi (3000 B.C.) were discovered by archaeologists from the University of Zurich.
D. Novák, P. Tokarczyk, P. W. Theiler
doaj   +1 more source

Comparison оf Digital Relief Models

open access: yesНаука. Инновации. Технологии, 2023
Introduction. GIS technologies make it possible to analyze large amounts of spatial data, which include digital elevation models derived from remote sensing data.
S. A. Antonov, S. V. Peregudov
doaj   +1 more source

A new method for determination of most likely landslide initiation points and the evaluation of digital terrain model scale in terrain stability mapping [PDF]

open access: yesHydrology and Earth System Sciences, 2006
This paper introduces a new approach for determining the most likely initiation points for landslides from potential instability mapped using a terrain stability model.
P. Tarolli, D. G. Tarboton
doaj  

Inner zone terrain correction calculation using interpolated heights

open access: yesContributions to Geophysics and Geodesy, 2015
The discrepancy between real heights of gravity points and the elevation model has a significant impact on the terrain corrections calculation especially within the inner zone.
Pavol ZAHOREC
doaj   +1 more source

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