Zobrazeno 1 - 10
of 42
pro vyhledávání: '"L. Winiwarter"'
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLVIII-2-2024, Pp 115-120 (2024)
The article presents a practical method that combines low-cost camera systems with remotely operated vehicles (ROVs) to accomplish a comprehensive but economically feasible underwater survey of large hydropower infrastructures. Typically, inspecting
Externí odkaz:
https://doaj.org/article/9b156cf0ebeb462c98f685ea4a6c0d69
Publikováno v:
Earth Surface Dynamics, Vol 11, Pp 593-613 (2023)
Four-dimensional (4D) topographic point clouds contain information on surface change processes and their spatial and temporal characteristics, such as the duration, location, and extent of mass movements. To automatically extract and analyze changes
Externí odkaz:
https://doaj.org/article/67c5e779ddaa4c3898c0bd0fb2c322c4
Publikováno v:
Earth System Science Data, Vol 14, Pp 2989-3012 (2022)
Laser scanning from different acquisition platforms enables the collection of 3D point clouds from different perspectives and with varying resolutions. These point clouds allow us to retrieve detailed information on the individual tree and forest str
Externí odkaz:
https://doaj.org/article/a6558d404b2847269d03eee0c7804db5
Publikováno v:
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol V-2-2022, Pp 79-86 (2022)
Virtual laser scanning (VLS) allows the generation of realistic point cloud data at a fraction of the costs required for real acquisitions. It also allows carrying out experiments that would not be feasible or even impossible in the real world, e.g.,
Externí odkaz:
https://doaj.org/article/54b46781eaf54e22a49226416761a18d
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B2-2022, Pp 973-980 (2022)
Automatic extraction of surface activity from near-continuous 3D time series is essential for geographic monitoring of natural scenes. Recent change analysis methods leverage the temporal domain to improve the detection in time and the spatial deline
Externí odkaz:
https://doaj.org/article/1578b4e31d514f4d9085add2dbaaa80b
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B2-2022, Pp 1109-1116 (2022)
Point clouds derived from UAV-borne laser scanning and UAV-borne photogrammetry provide new opportunities for 3D topographic monitoring in geographic research. The airborne acquisition strategy overcomes common challenges of ground-based techniques,
Externí odkaz:
https://doaj.org/article/9ef012fa448141839e68fe97f14fb3c1
Publikováno v:
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol V-2-2021, Pp 137-144 (2021)
Near-continuously acquired terrestrial laser scanning (TLS) data contains valuable information on natural surface dynamics. An important step in geographic analyses is to detect different types of changes that can be observed in a scene. For this, sp
Externí odkaz:
https://doaj.org/article/0acec3b7734b4dd18d75c9911c830eba
Publikováno v:
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol V-2-2020, Pp 789-796 (2020)
Terrestrial laser scanners are commonly used for remotely sensing natural surfaces into 3D point clouds. Time series of such 3D point clouds can be analysed to gain information of surface changes that are induced by Earth surface shaping processes. T
Externí odkaz:
https://doaj.org/article/f4658efb1d044b7f8fd3fbe81bd29193
Publikováno v:
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol IV-2-W5, Pp 373-380 (2019)
3D point clouds acquired by laser scanning and other techniques are difficult to interpret because of their irregular structure. To make sense of this data and to allow for the derivation of useful information, a segmentation of the points in groups,
Externí odkaz:
https://doaj.org/article/108bd7d90e4f4268a791f89025eb9a23
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