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Bettina Knorr
knorr@uni-heidelberg.de
Phone: +49 (0) 6221 54-5560
Fax: +49 (0) 6221 54-4529
 
Postal Address
Heidelberg University
Prof. Bernhard Höfle
Institute of Geography
Im Neuenheimer Feld 368
69120 Heidelberg
Germany
 
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3D Geospatial Data Processing Group

3D Geospatial Data Processing (3DGeo) Research Group

3DGeo-Logo       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)
30.09.2022 13:57
New paper: Capturing complex star dune dynamics – repeated highly accurate surveys combining multitemporal 3D topographic measurements and local wind data

Morphologies of highly complex star dunes are the result of aeolian dynamics in past and present times. These dynamics reflect climatic conditions and associated forces like sediment availability and vegetation cover, as well as feedbacks with adjacent environments. However, an understanding of aeolian dynamics on star dune morphometries is still lacking sufficient detail, and [...]

17.08.2022 17:44
Continued multisource 3D point cloud acquisition at the AHK rock glacier

While the impacts of global warming and current heat waves on glaciated areas have been in the focus of media reporting in recent weeks, also the dynamics of rock glaciers as part of the periglacial environment are strongly affected by changing climate. Rock glaciers are creep phenomena of mountain permafrost and an integral part of [...]

05.07.2022 16:22
Data description paper: Individual tree point clouds and tree measurements from multi-platform laser scanning in German forests

New data description paper on our tree point cloud dataset was just published Today, our data description paper was published in the open access Journal Earth System Science Data: Weiser, H., Schäfer, J., Winiwarter, L., Krašovec, N., Fassnacht, F. E., and Höfle, B. (2022): Individual tree point clouds and tree measurements from multi-platform laser scanning [...]

17.06.2022 16:34
3DGeo contributions to ISPRS Congress 2022 now online

From 5 June - 11 June 2022 the ISPRS Congress took place in Nice, France. The 3DGeo research group had three paper contributions which can now be found online: (1) Virtual Laser Scanning of Dynamic Scenes Created From Real 4D Topographic Point Cloud Data. Find all details in the video (link) and paper and check the related [...]

28.04.2022 18:36
New Paper and Data: 4D Point Clouds of a Beach-Dune System

A new data article on “A high-resolution 4D terrestrial laser scan dataset of the Kijkduin beach-dune system, The Netherlands” was just published in Scientific Data. Along with the fully openly available dataset, the article presents insights into the importance of frequent and spatially detailed surface measurements - and what to do with them. Get directly to [...]

27.04.2022 15:38
Praktikum Scientific Software Development

Die 3DGeo Forschungsgruppe (https://uni-heidelberg.de/3dgeo) der Abteilung Geoinformatik an der Universität Heidelberg sucht eine qualifizierte und motivierte Person für ein Praktikum als Scientific Software Developer*in (w/m/d) für einen Zeitraum von 3 bis 6 Monaten als stud./wiss. Hilfskraft. Im Anschluss besteht generell die Möglichkeit der Verlängerung oder die Bewerbung auf eine Stelle als wiss. Mitarbeiter*in (w/m/d). Die 3DGeo-Forschung [...]

05.04.2022 15:58
Preview of 3DGeo @ EGU 2022 - Meet us there

The 3DGeo Research Group will present some of their latest research at EGU General Assembly 2022. We are looking forward to meet you at the following talks: Virtual Laser Scanning using HELIOS++ - Applications in Machine Learning and Forestry: The presentation provides an introduction to VLS, possible use cases, pitfalls and best practices for successful application of [...]

08.03.2022 09:41
New paper on “improving change analysis with full temporal information”

In recently published work, we show how change analysis from near-continuous 3D time series improves by considering full temporal information. How can it be done? Using 4D objects-by-change! The method was applied to an hourly time series of terrestrial laser scans acquired for snow cover monitoring. In the snow-covered scene at the Zugspitze ski resort, all [...]

24.02.2022 19:28
RAUM & ZEIT: Unter Beobachtung - Umweltmodelle in 4D

Was für Forschung und Ziele stecken denn hinter dieser Abbildung? In einem aktuellen Beitrag in der Zeitschrift Ruperto Carola erläutert Professor Höfle stellvertretend für die gesamte 3DGeo Heidelberg Forschungsgruppe, was Umweltbeobachtung in 4D bedeutet und hebt die Bedeutung von Open Science - Open Source - Open Access hervor: ABSTRACT: Rund um die Uhr beobachten Laserscanner beispielsweise das [...]

01.02.2022 13:30
Einführung in die Laserscanning-Simulationssoftware HELIOS++ bei der FOSSGIS Konferenz 2022

Vom 9. bis zum 12. März 2022 findet die jährliche FOSSGIS Konferenz statt, die führende Konferenz für Freie und Open Source Software für Geoinformationssysteme und Open Data im deutschsprachigen Raum. Im Themenbereich 3D und LiDAR wird die 3DGeo Gruppe mit Beiträgen zur Open Source Software HELIOS++ vertreten sein, die der Simulation von Laserscanning dient. Am Freitag, 11. [...]

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