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Bettina Knorr
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Phone: +49 (0) 6221 54-5560
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Heidelberg University
Prof. Bernhard Höfle
Institute of Geography
Im Neuenheimer Feld 368
69120 Heidelberg
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3D Geospatial Data Processing Group

3D Geospatial Data Processing (3DGeo) Research Group

3DGeo-Logo       HELIOS++     IWR – Interdisciplinary Center for Scientific Computing      

We investigate and develop computational methods for the geographic analysis of 3D/4D point clouds. Our datasets are acquired by cutting-edge Earth observation technology (e.g. laser scanning/LiDAR, photogrammetry/SfM and SAR). We aim at increasing the understanding of geographic phenomena by observing and analyzing them in full 3D, in near real-time with high spatial and temporal resolution. Our methods can be applied to study physical processes (e.g. geomorphology), anthropogenic landscapes (e.g. emission reduction) and inherent human-environmental interactions (e.g. natural hazards, forestry and agriculture). Our research sites are spread all over the world: we perform in-situ 3D measurements, code in the lab and simulate Earth observation with our own open source software for virtual laser scanning.

Here, you can find our research projects, publications, videos, and open source code & data.

We love both programming and field work!

Latest News (RSS Feed)
29.07.2021 13:06
Open laser scanning data of trees - SYSSIFOSS project

Our forest laser scanning dataset collected in the frame of the SYSSIFOSS project is now openly available through the PANGAEA Data Publisher: Weiser, H., Schäfer, J., Winiwarter, L., et al. (2021): Terrestrial, UAV-borne and airborne laser scanning point clouds of central European forest plots, Germany, with extracted individual trees and manual forest inventory measurements. PANGAEA, https://doi.org/10.1594/PANGAEA.933426 Until [...]

19.07.2021 10:15
Time Series-Based Coastal Surface Change Analysis @ISPRS2021

Our work on “Time Series-Based Coastal Surface Change Analysis using Hourly Terrestrial Laser Scans” was featured with a live presentation at this year’s digital event of the ISPRS Congress. The presentation by Katharina Anders was further made available as pre-recorded video, which you can now watch on the 3DGeo YouTube channel: The presented work is part [...]

01.07.2021 14:51
Online data viewer: Heidelberg’s tallest trees

Two weeks ago, we conducted a field campaign in the frame of a 3DGeo Sensor Practical course to acquire 3D point clouds of Heidelberg’s tallest trees, Sequoias planted in the Arboretum I (see our blog post). Today, we present the prepared data in our new online point cloud viewer based on potree: https://3dweb.geog.uni-heidelberg.de/potree/scenes/sequoia.html A few stills take you [...]

29.06.2021 11:00
M3C2-EP: Pushing the limits of 3D topographic point cloud change detection by error propagation

In our efforts to improve change detection and quantification in time series of 3D point clouds, we have published yet another milestone. Our paper, titled M3C2-EP: Pushing the limits of 3D topographic point cloud change detection by error propagation, presents a novel method to better separate noise from actual change in point clouds sensed with [...]

28.06.2021 17:02
Graduate Celebration 2021

On 25 June 2021, we celebrated together with the graduates of 2020/2021 of Bachelor and Master of Science in Geography, and also School Education (Lehramt) at the digital ceremony. Moreover, the rector of our University, Prof. Bernhard Eitel, gave an interesting talk about the history of the Institute of Geography. He outlined how a wide [...]

21.06.2021 14:00
Measuring the tallest sequoias of Germany in student field campaign

Last Fieldwork Friday, a group of students gathered in Arboretum I to capture Heidelberg’s sequoia trees in the frame of a 3D Sensor Practical. In small groups, the students learned surveying strategies via terrestrial laser scanning (TLS) and Global Navigation Satellite System (GNSS) measurements. It was one of the first joint field campaigns of our [...]

01.06.2021 15:13
Methods and algorithms for 3D/4D change analysis and virtual laser scanning

Curious, which methods on 3D/4D point cloud-based change analysis and virtual laser scanning we are working on, that might also be interesting for your research? Thanks to a redesign of our 3DGeo website you can now quickly get an overview of algorithms and methods, that are acitvely developed in our research and featured in recent publications. These [...]

10.05.2021 16:11
The impact of recent gully filling practices on wheat yield at the Campiña landscape in Southern Spain

The significance of gully filling practices on agricultural production has been only rarely evaluated in literature. In this study, a medium-sized catchment was selected, for being representative of the conventional farming practices on annual crops in the Campiña landscape in Southern Spain. During two wheat campaigns, an analysis of the spatial and temporal evolution of [...]

23.04.2021 17:00
LOKI at vEGU 2021 on 26 and 29 April

Join us and many European researchers from the Earth, planetary and space sciences in the virtual European Geosciences Union (EGU) assembly from 19 to 30 April 2021! Are you interested in innovative methods and concepts applied to natural hazards? Then join our 2-minute talks on research within the LOKI project on Monday, 26 April, and Thursday, [...]

23.04.2021 10:00
SYSSIFOSS at EGU21 on 26 April

From 19 to 30 April 2021, European researchers from the Earth, planetary and space sciences are gathering in the virtual European Geosciences Union (EGU) assembly. On Monday, 26 April, two SYSSIFOSS presentations will be opening the block “Point clouds for forestry applications” in session BG11 - Remote sensing for forest applications. Dr. Fabian E. Fassnacht (KIT) will [...]

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