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ORCIDKonrad J. Wessels
Konrad Wessels
Person information
- affiliation: George Mason University, Geography and GeoInformation Science, Fairfax, VA, USA
- affiliation: CSIR, South Africa
- affiliation (PhD 2005): University of Maryland at College Park, Department of geographical sciences, MD, USA
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2020 – today
- 2024
[c39]Narayanarao Bhogapurapu, Paul Siqueira, John Armston, Mikhail Urbazaev, Konrad Wessels, Laura Duncanson:
Canopy Height Estimation Using C- and L-Band Insar Coherence Over Savannas and Dry Forests. IGARSS 2024: 2290-2293- [c38]Margaret Wooten, Jordan A. Caraballo-Vega, Nathan Thomas, William C. Wagner, Christopher S. R. Neigh, Mark L. Carroll, Molly E. Brown, Abdoul Aziz Diouf, Modou Mbaye, Babacar Ndao, Konrad Wessels, Woubet G. Alemu:
A Deep Learning Data Fusion Approach for Modeling Land use in Smallholder Agriculture Systems. IGARSS 2024: 4077-4080 - [c37]Jordan A. Caraballo-Vega, Caleb Spradlin, Mark L. Carroll, Christopher S. R. Neigh, Margaret Wooten, Konrad Wessels, Minh Tri Le, Savannah L. Strong, Melanie Frost, Amanda Burke, Woubet G. Alemu, Abdoul Aziz Diouf, Modou Mbaye, Babacar Ndao, Nathan Thomas, Molly Brown:
EO-Validation: Low Latency Commodity-Based Collaborative Validation Framework for Geoai Data Products. IGARSS 2024: 6916-6919 - 2023
- [j18]Duy Hoang Thai
, Xiqi Fei, Minh Tri Le, Andreas Züfle, Konrad Wessels:
Riesz-Quincunx-UNet Variational Autoencoder for Unsupervised Satellite Image Denoising. IEEE Trans. Geosci. Remote. Sens. 61: 1-19 (2023) - [c36]Caleb Spradlin, Margaret Wooten, Jordan A. Caraballo-Vega, Mark L. Carroll, Christopher S. R. Neigh, Konrad Wessels, Minh Tri Le, Paul M. Montesano, Woubet G. Alemu, Nathan Thomas:
Large-Scale Distributed Compositing and Statistics Framework For Very-High-Resolution Remote Sensing Imagery. IGARSS 2023: 4848-4851 - [c35]Xiqi Fei, Minh Tri Le, Duy Hoang Thai, Konrad Wessels, Andreas Züfle:
Semi-Supervised Satellite Image Segmentation Using Spatial and Temporally Informed Poisson Learning. IGARSS 2023: 5642-5645 - [c34]Minh Tri Le, Konrad Wessels, Jordan A. Caraballo-Vega, Nathan Thomas, Margaret Wooten, Mark L. Carroll, Christopher S. R. Neigh:
Training Strategies of Cnn for Land Cover Mapping with High Resolution Multi-Spectral Imagery in Senegal. IGARSS 2023: 6358-6361 - [c33]Leslie G. Garza, Konrad Wessels:
Harmful Algal Bloom (HAB) Detection Using Deep Convolutional Neural Networks and Remote Sensing Data. WHISPERS 2023: 1-11 - 2022
- [i1]Duy Hoang Thai, Xiqi Fei, Minh Tri Le, Andreas Züfle, Konrad Wessels:
Riesz-Quincunx-UNet Variational Auto-Encoder for Satellite Image Denoising. CoRR abs/2208.12810 (2022) - 2021
- [c32]Xiqi Fei, Konrad Wessels, Dieter Pfoser, Andreas Züfle, Olga Gkountouna:
Influence of Geographic Distance on CNN Generalization for Satellite Image Classification. IGARSS 2021: 4976-4979 - [c31]Andreas Züfle, Konrad Wessels, Dieter Pfoser:
Mining High Resolution Earth Observation Data Cubes. SSTD 2021: 152-156
2010 – 2019
- 2019
- [j17]Konrad J. Wessels, Renaud Mathieu, Nichola M. Knox, Russell Main, Laven Naidoo, Karen C. Steenkamp:
Mapping and Monitoring Fractional Woody Vegetation Cover in the Arid Savannas of Namibia Using LiDAR Training Data, Machine Learning, and ALOS PALSAR Data. Remote. Sens. 11(22): 2633 (2019) - 2018
- [j16]Brian P. Salmon, Waldo Kleynhans, Jan C. Olivier, Frans van den Bergh, Konrad J. Wessels:
A modified temporal criterion to meta-optimize the extended Kalman filter for land cover classification of remotely sensed time series. Int. J. Appl. Earth Obs. Geoinformation 67: 20-29 (2018) - [j15]Precious Mahlangu, Renaud Mathieu, Konrad J. Wessels, Laven Naidoo, Michel M. Verstraete, Gregory Asner, Russell Main:
Indirect Estimation of Structural Parameters in South African Forests Using MISR-HR and LiDAR Remote Sensing Data. Remote. Sens. 10(10): 1537 (2018) - 2017
- [j14]Brian P. Salmon, Damien S. Holloway, Waldo Kleynhans, J. Corné Olivier, Konrad J. Wessels:
Applying Model Parameters as a Driving Force to a Deterministic Nonlinear System to Detect Land Cover Change. IEEE Trans. Geosci. Remote. Sens. 55(12): 7165-7176 (2017) - 2016
- [j13]Laven Naidoo, Renaud Mathieu, Russell Main, Konrad J. Wessels, Gregory P. Asner:
L-band Synthetic Aperture Radar imagery performs better than optical datasets at retrieving woody fractional cover in deciduous, dry savannahs. Int. J. Appl. Earth Obs. Geoinformation 52: 54-64 (2016) - [j12]Russell Main, Renaud Mathieu, Waldo Kleynhans, Konrad J. Wessels, Laven Naidoo, Gregory P. Asner:
Hyper-Temporal C-Band SAR for Baseline Woody Structural Assessments in Deciduous Savannas. Remote. Sens. 8(8): 661 (2016) - [j11]Konrad J. Wessels, Frans van den Bergh, David P. Roy, Brian P. Salmon, Karen C. Steenkamp, Bryan MacAlister, Derick Swanepoel, Debbie Jewitt:
Rapid Land Cover Map Updates Using Change Detection and Robust Random Forest Classifiers. Remote. Sens. 8(11): 888 (2016) - 2015
- [j10]Waldo Kleynhans, Brian P. Salmon, Konrad J. Wessels, J. Corne Olivier:
Rapid detection of new and expanding human settlements in the Limpopo province of South Africa using a spatio-temporal change detection method. Int. J. Appl. Earth Obs. Geoinformation 40: 74-80 (2015) - 2014
- [j9]Philemon L. Tsela, Konrad J. Wessels, Joel Botai, Sally Archibald, Derick Swanepoel, Karen C. Steenkamp, Philip Frost:
Validation of the Two Standard MODIS Satellite Burned-Area Products and an Empirically-Derived Merged Product in South Africa. Remote. Sens. 6(2): 1275-1293 (2014) - [j8]Joseph McGlinchy, Jan A. N. van Aardt, Barend Erasmus, Gregory P. Asner, Renaud Mathieu, Konrad J. Wessels, David E. Knapp, Ty Kennedy-Bowdoin, Harvey E. Rhody, John P. Kerekes, Emmett J. Ientilucci, Jiaying Wu, Diane Sarrazin, Kerry Cawse-Nicholson:
Extracting Structural Vegetation Components From Small-Footprint Waveform Lidar for Biomass Estimation in Savanna Ecosystems. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 7(2): 480-490 (2014) - [j7]Brian P. Salmon, Waldo Kleynhans, Frans van den Bergh, Jan C. Olivier, Willem J. Marais, Trienko L. Grobler, Konrad J. Wessels:
Meta-Optimization of the Extended Kalman Filter's Parameters Through the Use of the Bias Variance Equilibrium Point Criterion. IEEE Trans. Geosci. Remote. Sens. 52(8): 5072-5087 (2014) - [c30]Laven Naidoo, Renaud Mathieu, Russell Main, Waldo Kleynhans, Konrad J. Wessels, Gregory P. Asner, Brigitte Leblon:
The assessment of data mining algorithms for modelling Savannah Woody cover using multi-frequency (X-, C- and L-band) synthetic aperture radar (SAR) datasets. IGARSS 2014: 1049-1052 - [c29]Brian P. Salmon, Waldo Kleynhans, Jan C. Olivier, Willem C. Olding, Konrad J. Wessels, Frans van den Bergh:
A modified temporal approach to meta-optimizing an Extended Kalman Filter's parameters. IGARSS 2014: 1144-1147 - [c28]Russell Main, Renaud Mathieu, Waldo Kleynhans, Konrad J. Wessels, Laven Naidoo, Gregory P. Asner:
Woody cover assessments in a Southern African savanna, using hyper-temporal C-band ASAR-WS data. IGARSS 2014: 1148-1151 - [c27]Waldo Kleynhans, Brian P. Salmon, Konrad J. Wessels:
A novel spatio-temporal change detection approach using hyper-temporal satellite data. IGARSS 2014: 4208-4211 - [c26]Brian P. Salmon, Jan C. Olivier, Waldo Kleynhans, Konrad J. Wessels:
Using the butterfly effect in a deterministic non-linear system to detect Land cover change. IGARSS 2014: 4224-4227 - 2013
- [j6]Brian Paxton Salmon, Waldo Kleynhans, Frans van den Bergh, Jan C. Olivier, Trienko L. Grobler, Konrad J. Wessels:
Land Cover Change Detection Using the Internal Covariance Matrix of the Extended Kalman Filter Over Multiple Spectral Bands. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 6(3): 1079-1085 (2013) - [c25]Waldo Kleynhans, Brian P. Salmon, Konrad J. Wessels, J. Corne Olivier:
A spatio-temporal autocorrelation change detection approach using hyper-temporal satellite data. IGARSS 2013: 3459-3462 - [c24]Brian P. Salmon, Konrad J. Wessels, Frans van den Bergh, Karen C. Steenkamp, Waldo Kleynhans, Derick Swanepoel, David P. Roy, Valeriy Kovalskyy:
Evaluation of rule-based classifier for Landsat-based automated land cover mapping in South Africa. IGARSS 2013: 4301-4304 - 2012
- [j5]Waldo Kleynhans, Brian P. Salmon, Jan C. Olivier, Frans van den Bergh, Konrad J. Wessels, Trienko L. Grobler, Karen C. Steenkamp:
Land Cover Change Detection Using Autocorrelation Analysis on MODIS Time-Series Data: Detection of New Human Settlements in the Gauteng Province of South Africa. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 5(3): 777-783 (2012) - [c23]Konrad J. Wessels, Barend Erasmus, Matthew S. Colgan, Gregory P. Asner, Renaud Mathieu, Wayne Twine, Jan van Aardt, Izak Smit:
Impacts of communal fuelwood extraction on LiDAR-estimated biomass patterns of savanna woodlands. IGARSS 2012: 1676-1679 - [c22]Karen C. Steenkamp, Konrad J. Wessels, Frans van den Bergh, Graeme McFerren, Philip Frost, Cheewai Lai, Derick Swanepoel:
Quantitative comparison of fire danger index performance using fire activity. IGARSS 2012: 3375-3378 - [c21]Brian P. Salmon, Waldo Kleynhans, Frans van den Bergh, Jan C. Olivier, Willem J. Marais, Trienko L. Grobler, Konrad J. Wessels:
A search algorithm to meta-optimize the parameters for an extended KALMAN FILTER TO IMPROVE CLASSIFICATION ON HYPER-TEMPORAL IMAGES. IGARSS 2012: 4974-4977 - [c20]Brian P. Salmon, Waldo Kleynhans, Frans van den Bergh, Jan C. Olivier, Konrad J. Wessels:
Detecting land cover change by evaluating the internal covariance matrix of the Extended Kalman Filter. IGARSS 2012: 6209-6212 - [c19]Waldo Kleynhans, Brian P. Salmon, Jan C. Olivier, Frans van den Bergh, Konrad J. Wessels, Trienko L. Grobler:
Detecting land cover change using a sliding window temporal autocorrelation approach. IGARSS 2012: 6765-6768 - 2011
- [j4]Brian P. Salmon, J. Corne Olivier, Waldo Kleynhans, Konrad J. Wessels, Frans van den Bergh, Karen C. Steenkamp:
The use of a Multilayer Perceptron for detecting new human settlements from a time series of MODIS images. Int. J. Appl. Earth Obs. Geoinformation 13(6): 873-883 (2011) - [j3]Waldo Kleynhans, Jan C. Olivier, Konrad J. Wessels, Brian P. Salmon, Frans van den Bergh, Karen C. Steenkamp:
Detecting Land Cover Change Using an Extended Kalman Filter on MODIS NDVI Time-Series Data. IEEE Geosci. Remote. Sens. Lett. 8(3): 507-511 (2011) - [j2]Brian P. Salmon, Jan C. Olivier, Konrad J. Wessels, Waldo Kleynhans, Frans van den Bergh, Karen C. Steenkamp:
Unsupervised Land Cover Change Detection: Meaningful Sequential Time Series Analysis. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 4(2): 327-335 (2011) - [c18]Waldo Kleynhans, Brian P. Salmon, Jan C. Olivier, Konrad J. Wessels, Frans van den Bergh:
An autocorrelation analysis approach to detecting land cover change using hyper-temporal time-series data. IGARSS 2011: 94-97 - [c17]Waldo Kleynhans, Brian P. Salmon, Jan C. Olivier, Konrad J. Wessels, Frans van den Bergh:
A comparison of feature extraction methods within a spatio-temporal land cover change detection framework. IGARSS 2011: 688-691 - [c16]Hermanus Carel Myburgh, J. Corne Olivier, Renaud Mathieu, Konrad J. Wessels, Brigitte Leblon, Gregory Asner, Joseph Buckley:
SAR-to-LiDAR mapping for tree volume prediction in the Kruger National Park. IGARSS 2011: 1934-1937 - [c15]Brian P. Salmon, Waldo Kleynhans, Frans van den Bergh, Jan C. Olivier, Willem J. Marais, Konrad J. Wessels:
Meta-optimization of the Extended Kalman Filter's parameters for improved feature extraction on hyper-temporal images. IGARSS 2011: 2543-2546 - 2010
- [j1]Waldo Kleynhans, J. Corné Olivier, Konrad J. Wessels, Frans van den Bergh, Brian P. Salmon, Karen C. Steenkamp:
Improving Land Cover Class Separation Using an Extended Kalman Filter on MODIS NDVI Time-Series Data. IEEE Geosci. Remote. Sens. Lett. 7(2): 381-385 (2010) - [c14]Brian P. Salmon, Jan C. Olivier, Waldo Kleynhans, Konrad J. Wessels, Frans van den Bergh:
Automated land cover change detection: the quest for meaningful high temporal time series extraction. IGARSS 2010: 1968-1971 - [c13]Waldo Kleynhans, J. Corne Olivier, Brian P. Salmon, Konrad J. Wessels, Frans van den Bergh:
A spatio-temporal approach to detecting land cover change using an extended kalman filter on modis time series data. IGARSS 2010: 1972-1975 - [c12]Joseph McGlinchy, Jan van Aardt, Harvey E. Rhody, John P. Kerekes, Emmett Ientiluci, Gregory Asner, David E. Knapp, Renaud Mathieu, Ty Kennedy-Bowdoin, Barend Erasmus, Konrad J. Wessels, Izak Smit, Jiaying Wu, Diane Sarrazin:
Extracting strctural land cover components using small-footprint waveform lidar data. IGARSS 2010: 1976-1979 - [c11]Philemon L. Tsela, Paul van Helden, Philip Frost, Konrad J. Wessels, Sally Archibald:
Validation of the MODIS burned-area products across different biomes in South Africa. IGARSS 2010: 3652-3655 - [c10]Kerry Cawse-Nicholson, Michael Sears, Amandine Robin, Steven B. Damelin, Konrad J. Wessels, Frans van den Bergh, Renaud Mathieu:
Using Random Matrix Theory to determine the number of endmembers in a hyperspectral image. WHISPERS 2010: 1-4
2000 – 2009
- 2009
- [c9]Renaud Mathieu, Konrad J. Wessels, Gregory Asner, David E. Knapp, Jan van Aardt, Moses Azong Cho, Barend Erasmus, Izak Smit:
Tree Cover, Tree Height and Bare Soil Cover Differences along a Land Use Degradation Gradient in Semi-arid Savannas, South Africa. IGARSS (2) 2009: 194-197 - [c8]Jolene T. Fisher, Barend Erasmus, Edward Witkowski, Jan van Aardt, Gregory Asner, Ty Kennedy-Bowdoin, David E. Knapp, Ruth Emerson, James Jacobson, Renaud Mathieu, Konrad J. Wessels:
Three-dimensional Woody Vegetation Structure across Different Land-use Types and -land-use Intensities in a Semi-arid Savanna. IGARSS (2) 2009: 198-201 - [c7]Brian P. Salmon, Jan C. Olivier, Waldo Kleynhans, Konrad J. Wessels, Frans van den Bergh:
The Quest for Automated Land Cover Change Detection using Satellite Time Series Data. IGARSS (4) 2009: 244-247 - [c6]Waldo Kleynhans, J. Corne Olivier, Brian P. Salmon, Konrad J. Wessels, Frans van den Bergh:
Improving NDVI Time Series Class Separation using an Extended Kalman Filter. IGARSS (4) 2009: 256-259 - [c5]Jiaying Wu, Jan van Aardt, Gregory Asner, Renaud Mathieu, Ty Kennedy-Bowdoin, David E. Knapp, Konrad J. Wessels, Barend Erasmus, Izak Smit:
Connecting the Dots between Laser Waveforms and Herbaceous Biomass for Assessment of Land Degradation using Small-footprint Waveform LiDAR Data. IGARSS (2) 2009: 334-337 - [c4]Konrad J. Wessels, Karen C. Steenkamp, Graham Von Maltitz, Sally Archibald, Robert Scholes, Simeon Miteff, Asheer Bachoo:
Remotely Sensed Phenology for Mapping Biomes and Vegetation Functional Types. IGARSS (4) 2009: 1034-1037 - 2008
- [c3]Karen C. Steenkamp, Konrad J. Wessels, Sally Archibald, Graham Von Maltitz:
Long-Term Phenology and Variability of Southern African Vegetation. IGARSS (3) 2008: 816-819 - [c2]Jan C. Olivier, Konrad J. Wessels, Seare Araya:
Detection of Land Cover Change Using an Artificial Neural Network Within a Temporal Sliding Windowon Modis Time Series Data. IGARSS (4) 2008: 1422-1424 - 2003
- [c1]Konrad J. Wessels, Stephen D. Prince, J. Small:
Monitoring land degradation in Southern Africa based on net primary productivity. IGARSS 2003: 3305-3307
Coauthor Index
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