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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
- 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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