Reflectance Calibration with Phantom 4M Multispectral data (Updated 14-05-2021)

Last Update: 14.5.2021 There was some confusion in the past on how to process the Phantom 4M Multispectral data to “reflectance” level. Here a short summary for Agisoft Metashape 1.7.2 with a 50% reflectance panel from Micasense (update: now its from SphereOptics). In general: 1. the P4M sun illu. sensor works for normalizing the within flight campaign variations while 2....

Die EU Drohnenverordnung

Die neue EU Drohnenverordnung ist in Kraft getreten. Sie gilt im Prinzip bereits seit 1.1.2021. Was hat sich geändert? Einiges! Nach der neuen Verordnung sind alle derzeit im Betrieb befindlichen Drohnen keine zertifizierten Drohnen. Hier hinkt die Industrie der Verordnung hinterher. Die Verordnung differenziert in der offenen Kategorie “OPEN” nach dem Grad der Gefährdung, der von einer Drohne ausgehen könnte...

Stand Gap Analysis in the Hainich National Park between 2018 and 2020.

Some results from our stand gap analysis for July 2018 , July 2019 and July 2020 are now finished. Some figures below. There is a strong change process in the northern part of the Hainich landscape region in progress – likely dominated by forest management activities . removing the dying beech trees from the stand. Our spatial analysis indicates that...

UPDATE 12.12.2020: Beech Tree Damage Analysis in the Historical Parks – South-West of Berlin

UPDATE 12.12.2020: First classification within the SPSG park regions of four different damage categories was done in December 2020 using the TensorFlow CNN implementation. The first test area is the landscape park area “Glienicke” in the south-west of Berlin. The area shows a severe degradation of beech trees on some locations and is as of now not open for the...

PD Dr. S. Hese on a temporary Professorship @Martin-Luther- University Halle-Wittenberg

Since first of April I am working on a temporary Professorship position @Martin-Luther-University Halle-Wittenberg leading the section “Digital Geography” at the Institute of Geoscience and Geography. At Friedrich-Schiller-University Jena I am right now on a leave and will likely be back for the MSc Geoinformatics courses in Summer 2021 @FSU Jena. This has no direct impact on my research projects...