Posts by Year

2023 5
2021 2
2020 13
2019 3

2023

Terrestrial Laser Scanning in Campus Golm: Data Acquisition and Attributes

Collection of full-waveform terrestrial LiDAR data poses unique challenges during data acquisition and generates data with useful extra attributes. The scann...

Point cloud registration: TLS 3-D model of the Golm campus at the University of Potsdam

In the last two decades, Terrestrial Laser Scanning (TLS) has gained increasing importance as a ground-based remote sensing technique for measuring three-dim...

Installing conda environments for spatial and remote-sensing analyses

Conda environments provide an easy way to install relevant packages for a python environment. Here, we present a ‘Spatial Data Analysis’ (SDA) environment th...

Understanding weight maps and label manipulation in tree detection from high-resolution orthophotos with U-Net

Fine individiual tree crown delineation can be achieved from RGB + NIR orthophotos using CNN-based semantic segmentation with weighted losses, but how do dif...

Geometric-based filtering of ICESat-2 ATL03 data for ground-profile retrieval in the Quebrada del Toro, Argentina

The ICESat-2 mission provides new potential to observe geomorphic processes with a step size of 70 cm. Here is an application of a custom filtering approach ...

2021

Detecting ENSO events using GRACE satellites in South America

Changes in global Total Water Storage (TWS) can be measured with satellites sensitive to gravity acceleration using the Gravity Recovery and Climate Experime...

Climatic and Biotic Controls on Topographic Asymmetry at the Global Scale

Neighboring terrain facing in different directions is not equally steep. This effect is caused by the complex interactions of geology, tectonics, vegetation,...

2020

Remote Sensing of Earth Surface Processes - Spring 2021 RS-ESP Seminar Schedule

Preliminary seminar schedule for January/February 2021.

Causes of reduction in airborne NO₂ and CO emissions in Europe during the COVID-19 crisis

Road traffic reduction during the spring 2020 lockdown caused significant NO2 decrease.

Example of SAOCOM processing with ISCE

First results from processing interferograms from SAOCOM - an Argentinean L-band SAR satellite - and ISCE.

Converting BBB recordings to MP4 with Webcam on Deskshare Movie

Convert your BBB recordings to a compressed MP4 stream with webcam overlay and logo.

Running Jupyter Notebooks on a Android tablet

Connect your keyboard to your tablet and get ready to run Jupyter Notebooks on Android systems!

Using an iPad or Samsung Galaxy with Android as Whiteboard

Can you use your Samsung Galaxy or iPad as an input device / whiteboard for online teaching?

Lidar and SfM Point Cloud Python KDTree Comparison

This short entry describes a comparison of KDTree implementations for Lidar PointClouds (PC) and Structure-from-Motion (SfM) dataset.

RAPIDS.AI Install on Ubuntu

There are different software packages available for using NVIDIA CUDA/OPENCL architectures.

NVIDIA CUDA Install on Ubuntu 18.04 / 20.04

CUDA processing has become an integral part of data-intensive processing. Installation is still cumbersome and changes when new versions become available.

Miniconda Environments Oct 2020

Update on Conda Install.

Geomorphology from Synthetic Aperture Radar (SAR) Coherence

Satellites carrying synthetic aperture radar (SAR) instrumentation are providing novel and exciting opporutnities to perform geomorphological analysis from s...

Workshop Quantitative Geomorphology at IIT Gandhinagar

Using Python, Pointclouds, and DEMs to understand landcape evolution at various timescales.

InSAR first results: Earthquake on Nov-30 2020 in NW Argentina, Central Andes

An Earthquake occurred in NW Argentina on Nov-30, 2020.