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DI Dr. Karlheinz Gutjahr

Role

Deputy Head of research group

Research group

DIGITAL:

Fernerkundung und Geoinformation

Phone number

+43 316 876-1718

E-mail

Karlheinz.Gutjahr@joanneum.at

Adress

Steyrergasse 17, 8010, Graz
+43 316 876-5000
digital@joanneum.at

Publications

Digital
2023

A real-time algorithm for human action recognition in RGB and thermal video

Authors Fassold, Hannes; Gutjahr, Karlheinz; Weber, Anna; Perko, Roland
A real-time algorithm for human action recognition in RGB and thermal video
Digital
2022

Novel radargrammetric approach for Capella Space imagery

Authors Gutjahr, Karlheinz; Atalay, Can; Perko, Roland; Raggam, Hannes; Deutscher, Janik; Schardt, Mathias; Sefercik, Umut Gunes
Novel radargrammetric approach for Capella Space imagery
Digital
2022

The challenge to use multi-temporal InSAR for landslide early warning

Authors Schlögl, Matthias; Gutjahr, Karlheinz; Fuchs, Sven
The challenge to use multi-temporal InSAR for landslide early warning
Digital
2021

Evaluation of runway surface conditions at Vienna airport using Sentinel SAR interferometry

Authors Sharov, Aleksey; Schardt, Mathias; Nikolskiy, Dmitry; Gutjahr, Karlheinz
Evaluation of runway surface conditions at Vienna airport using Sentinel SAR interferometry
Digital
2021

Österreichweite Bodensetzungs-und Hangrut- schungskartierung mittels differentieller Radar Inter- ferometrie

Authors Gutjahr, Karlheinz; Vecchiotti, Filippo; Reimer, Christoph; Gregorac, Ana; Cao, Senmao; Schardt, Mathias; Kociu, Arben; Briese, Christian
Österreichweite Bodensetzungs-und Hangrut- schungskartierung mittels differentieller Radar Inter- ferometrie
Digital
2021

Visuelle Odometrie im Einsatz für den Breitbandausbau

Authors Ladstädter, Richard; Höppl, Wolfgang; Gutjahr, Karlheinz; Perko, Roland; Gregorac, Ana; Haskic, Edin
Visuelle Odometrie im Einsatz für den Breitbandausbau
Digital
2020

One-Step Three-Dimensional Phase Unwrapping Approach Based on Small Baseline Subset Interferograms

Authors Esch, Christina; Köhler, Joël; Gutjahr, Karlheinz; Schuh, Wolf-Dieter
One-Step Three-Dimensional Phase Unwrapping Approach Based on Small Baseline Subset Interferograms
Digital
2020

Ground Control Point Retrieval From SAR Satellite Imagery

Authors Perko, Roland; Raggam, Hannes; Gutjahr, Karlheinz; Koppe, Wolfgang; Janoth, J¨urgen
Ground Control Point Retrieval From SAR Satellite Imagery
Digital
2020

Visual Odometry For Industrial Cable Laying

Authors Gregorac, Ana; Gutjahr, Karlheinz; Ladstädter, Richard; Perko, Roland; Höppl, Wolfgang
Visual Odometry For Industrial Cable Laying
Digital
2018

Deriving accurate GCPs from TerraSAR-X stereo data over urban areas

Authors Perko, Roland; Koppe, Wolfgang; Raggam, Hannes; Gutjahr, Karlheinz; Schardt, Mathias
Deriving accurate GCPs from TerraSAR-X stereo data over urban areas
Digital
2018

Mapping Risk Areas with EO data in the Indonesian City of Semarang

Authors Hirschmugl, Manuela; Schardt, Mathias; Gutjahr, Karl-Heinz; Proske, Herwig; Broszeit, Daniela Angelova Amelie
Mapping Risk Areas with EO data in the Indonesian City of Semarang
Digital
2017

Humid Tropical Forest Monitoring with Multi-Temporal L-, C- and X-Band SAR Data

Authors Deutscher, Janik; Gutjahr, Karlheinz; Perko, Roland; Raggam, Hannes; Hischmugl, Manuela; Schardt, Mathias
Humid Tropical Forest Monitoring with Multi-Temporal L-, C- and X-Band SAR Data
Digital
2017

Fusion of Point Clouds derived from Aerial Images

Authors Schoenfelder, Andreas; Perko, Roland; Gutjahr, Karlheinz; Schardt, Mathias
Fusion of Point Clouds derived from Aerial Images
Digital
2016

DEM-based Epipolar Rectification for Radargrammetry

Authors Perko, Roland; Gutjahr, Karlheinz; Raggam, Hannes; Schardt, Mathias
DEM-based Epipolar Rectification for Radargrammetry
Digital
2015

Advanced DTM generation from very high resolution satellite stereo images

Authors Perko, Roland; Raggam, Harald; Gutjahr, Karlheinz; Schardt, Mathias
Advanced DTM generation from very high resolution satellite stereo images
Digital
2015

3D-mapping from TerraSAR-X staring spotlight data

Authors Gutjahr, Karlheinz; Perko, Roland; Raggam, Hannes; Schardt, Mathias
3D-mapping from TerraSAR-X staring spotlight data
Digital
2015

Evaluation of Radargrammetry DEMs based on TerraSAR-X Staring SpotLight Imagery

Authors Hennig, Simon; Koppe, Wolfgang; Gutjahr, Karlheinz; Perko, Roland; Raggam, Hannes
Evaluation of Radargrammetry DEMs based on TerraSAR-X Staring SpotLight Imagery
Digital
2015

Tunnel Surface 3D Reconstruction from Unoriented Image Sequences

Authors Bauer, Arnold; Gutjahr, Karlheinz; Paar, Gerhard; Kontrus, Heiner; Glatzl, Robert
Tunnel Surface 3D Reconstruction from Unoriented Image Sequences
Digital
2015

Measuring Visibility using Atmospheric Transmission and Digital Surface Model

Authors Andreu, Jean-Philippe; Mayer, Stefan; Gutjahr, Karlheinz; Ganster, Harald
Measuring Visibility using Atmospheric Transmission and Digital Surface Model
Digital
2014

The Epipolarity Constraint in Stereo-Radargrammetric DEM Generation

Authors Gutjahr, Karlheinz; Perko, Roland; Raggam, Hannes; Schardt, Mathias
The Epipolarity Constraint in Stereo-Radargrammetric DEM Generation
Digital
2014

Assessment of the mapping potential of Pleiades stereo and triplet DATA

Authors Perko, Roland; Hannes, Hannes Raggam; Gutjahr, Karlheinz; Schardt, Mathias
Assessment of the mapping potential of Pleiades stereo and triplet DATA
Digital
2013

Mapping Tropical Rainforest Canopy Disturbances in 3D by COSMO-SkyMed Spotlight InSAR-Stereo Data to Detect Areas of Forest Degradation

Authors Deutscher, Janik; Perko, Roland; Gutjahr, Karlheinz; Hirschmugl, Manuela; Schardt, Mathias
Mapping Tropical Rainforest Canopy Disturbances in 3D by COSMO-SkyMed Spotlight InSAR-Stereo Data to Detect Areas of Forest Degradation
Digital
2013

Updating 3D City Models: A Case Study for 3D Change Detection

Authors Gutjahr, Karlheinz; Wimmer, A.; Raggam, H.
Updating 3D City Models: A Case Study for 3D Change Detection
Digital
2012

Agricultural Field Border Line Retrieval Using Optical and SAR Imagery

Authors Perko, Roland; Raggam, Hannes; Gutjahr, Karlheinz; Schardt, Mathias
Agricultural Field Border Line Retrieval Using Optical and SAR Imagery
Digital
2011

Using worldwide available TerraSAR-X data to calibrate the geo-location accuracy of optical sensors

Authors Perko, Roland; Raggam, Hannes; Gutjahr, Karlheinz; Schardt, Mathias
Using worldwide available TerraSAR-X data to calibrate the geo-location accuracy of optical sensors
Digital
2011

Forest Assessment Using High Resolution SAR Data in X-Band

Authors Perko, Roland; Raggam, Hannes; Deutscher, Janik; Gutjahr, Karlheinz; Schardt, Mathias
Forest Assessment Using High Resolution SAR Data in X-Band
Digital
2010

Analysis of 3D forest canopy height models resulting from stereo-radargrammetric processing of TerraSAR-X images

Authors Perko, Roland; Raggam, Hannes; Gutjahr, Karlheinz; Schardt, Mathias
Analysis of 3D forest canopy height models resulting from stereo-radargrammetric processing of TerraSAR-X images
Digital
2010

Performance of GNSS/IMS Integration Methoads in Context of a Near-Real-Time Airbone Mapping Platform

Authors Gutjahr, Karlheinz; Hafner, Petra; Ofner, Martin; Laengauer, Klemens; Wieser, Manfred; Kuehtreiber, Norbert
Performance of GNSS/IMS Integration Methoads in Context of a Near-Real-Time Airbone Mapping Platform
Digital
2010

The Capabilities of Terrarar-X Imagery for Retrieval of forest parameters

Authors Perko, Roland; Raggam, Hannes; Gutjahr, Karlheinz; Schardt, Mathias
The Capabilities of Terrarar-X Imagery for Retrieval of forest parameters
Digital
2010

Accuracy Assessment of 3D Point Retrieval from TerraSAR-X Data Sets

Authors Raggam, Hannes; Perko, Roland; Gutjahr, Karlheinz
Accuracy Assessment of 3D Point Retrieval from TerraSAR-X Data Sets
Digital
2010

Performance of a near real-time airborne mapping platform for disaster monitoring

Authors Gutjahr, Karlheinz; Raggam, Hannes; Schardt, Mathias
Performance of a near real-time airborne mapping platform for disaster monitoring
Digital
2010

Deriving Forest Canopy Height Models using multi-beam TerraSAR-X Imagery

Authors Perko, Roland; Raggam, Hannes; Gutjahr, Karlheinz; Schardt, Mathias
Deriving Forest Canopy Height Models using multi-beam TerraSAR-X Imagery
Digital
2010

Assessment of the Stereo-Radargrammetric Mapping Potential of TerraSAR-X Multi-Beam Spotlight Data

Authors Raggam, Hannes; Gutjahr, Karlheinz; Perko, Roland; Schardt, Mathias
Assessment of the Stereo-Radargrammetric Mapping Potential of TerraSAR-X Multi-Beam Spotlight Data
Digital
2010

Luftgestuetzte Low-Cost - Aufnahmeplattform zur Unterstuetzung von Katastropheneinsaetzen

Authors Schardt, Mathias; Raggam, Hannes; Wack, Roland; Ofner, Martin; Gutjahr, Karlheinz; Koudelka, Otto
Luftgestuetzte Low-Cost - Aufnahmeplattform zur Unterstuetzung von Katastropheneinsaetzen
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