Waldo Kleynhans

Publication Activity (10 Years)

Years Active: 2006-2024
Publications (10 Years): 40

Top Topics

Remote Sensing Images

Synthetic Aperture Radar

Top Venues

IEEE Geosci. Remote. Sens. Lett.

Int. J. Appl. Earth Obs. Geoinformation

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.

Publications

Christiaan Neil Burger, Waldo Kleynhans, Trienko Lups Grobler
AIS information. Geo spatial Inf. Sci. 27 (1) (2024)
Lizwe Wandile Mdakane, Waldo Kleynhans
Feature Selection and Classification of Oil Spill From Vessels Using Sentinel-1 Wide-Swath Synthetic Aperture Radar Data. IEEE Geosci. Remote. Sens. Lett. 19 (2022)
Trienko L. Grobler, Waldo Kleynhans, Brian P. Salmon
Using The GAF Transform and MODIS Time-Series to Perform Landcover Classification and Change Detection. IGARSS (2021)
Trienko L. Grobler, Waldo Kleynhans, Brian P. Salmon
A Parsimonious Neural Network for the Classification of Modis Time-Series. IGARSS (2021)
Trienko L. Grobler, Waldo Kleynhans, Brian P. Salmon, Christiaan Neil Burger
Unsupervised Sequential Classification of Modis Time-Series. IGARSS (2020)
Christiaan Neil Burger, Trienko Lups Grobler, Waldo Kleynhans
Discrete Kalman Filter and Linear Regression Comparison for Vessel Coordinate Prediction. MDM (2020)
Willem C. Olding, Jan C. Olivier, Brian P. Salmon, Waldo Kleynhans
A Forecasting Approach to Online Change Detection in Land Cover Time Series. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 12 (5) (2019)
Trienko L. Grobler, Waldo Kleynhans, Brian Paxton Salmon
Empirically Comparing Two Dimensionality Reduction Techniques - PCA and FFT: A Settlement Detection Case Study in the Gauteng Province of South Africa. IGARSS (2019)
Willem C. Olding, J. Corné Olivier, Brian P. Salmon, Waldo Kleynhans
Unsupervised Land Cover Change Estimation Using Region Covariance Estimates. IEEE Geosci. Remote. Sens. Lett. 16 (3) (2019)
Trienko L. Grobler, Waldo Kleynhans
Extracting High-Volume Traffic Routes from AIS Spatial Distribution Maps. IGARSS (2019)
Colin P. Schwegmann, Waldo Kleynhans, Brian P. Salmon, L. W. Mdakane, R. G. V. Meyer
Synthetic Aperture Radar Ship Detection Using Capsule Networks. IGARSS (2018)
Colin P. Schwegmann, Waldo Kleynhans, Brian P. Salmon, L. W. Mdakane, R. G. V. Meyer, Jürgen Janoth, Parivash Lumsdon
Transfer Learning for Multi-Frequency Synthetic Aperture Radar Applications. IGARSS (2018)
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 (2018)
Lizwe Wandile Mdakane, Waldo Kleynhans
An Image-Segmentation-Based Framework to Detect Oil Slicks From Moving Vessels in the Southern African Oceans Using SAR Imagery. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 10 (6) (2017)
L. W. Mdakane, Waldo Kleynhans, Colin P. Schwegmann, R. G. V. Meyer
Image segmentation-based oil slick detection using sar radarsat-2 OSVN maritime data. IGARSS (2017)
Colin P. Schwegmann, Waldo Kleynhans, Jeanine Engelbrecht, L. W. Mdakane, R. G. V. Meyer
Subsidence feature discrimination using deep convolutional neural networks in synthetic aperture radar imagery. IGARSS (2017)
R. G. V. Meyer, Colin P. Schwegmann, Waldo Kleynhans
Vessel classification features using spatial Bayesian inference from historical ais data. IGARSS (2017)
Andre Theron, Jeanine Engelbrecht, Jaco Kemp, Waldo Kleynhans, Terrence Turnbull
Detection of Sinkhole Precursors Through SAR Interferometry: Radar and Geological Considerations. IEEE Geosci. Remote. Sens. Lett. 14 (6) (2017)
R. G. V. Meyer, Colin P. Schwegmann, Waldo Kleynhans
The best of a BAD situation: Optimising an algorithm to match course resolution SAR vessel detections to sparse AIS data. IGARSS (2017)
Colin P. Schwegmann, Waldo Kleynhans, Brian P. Salmon
Synthetic Aperture Radar Ship Detection Using Haar-Like Features. IEEE Geosci. Remote. Sens. Lett. 14 (2) (2017)
Colin P. Schwegmann, Waldo Kleynhans, Brian P. Salmon, L. W. Mdakane, R. G. V. Meyer
Synthetic aperture radar ship discrimination, generation and latent variable extraction using information maximizing generative adversarial networks. IGARSS (2017)
Brian P. Salmon, Waldo Kleynhans, J. Corné Olivier, Colin P. Schwegmann
Improving features used for hyper-temporal land cover change detection by reducing the uncertainty in the feature extraction method. IGARSS (2017)
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) (2017)
L. W. Mdakane, Waldo Kleynhans, Colin P. Schwegmann
Using an active contour method to detect bilge dumps from SAR imagery. IGARSS (2016)
Brian Paxton Salmon, Waldo Kleynhans, Jan C. Olivier, Colin P. Schwegmann
Transforming the autocorrelation function of a time series to detect land cover change. IGARSS (2016)
Benjamin Lebona, Waldo Kleynhans, Turgay Çelik, Lizwe Mdakane
Ship detection using VIIRS sensor specific data. IGARSS (2016)
R. G. V. Meyer, Waldo Kleynhans, Colin P. Schwegmann
Small ships don't shine: Classification of ocean vessels from low resolution, large swath area SAR acquisitions. IGARSS (2016)
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) (2016)
Colin P. Schwegmann, Waldo Kleynhans, Brian P. Salmon, L. W. Mdakane, R. G. V. Meyer
Ships as salient objects in Synthetic Aperture Radar imagery. IGARSS (2016)
Andre Theron, Jeanine Engelbrecht, Jaco Kemp, Waldo Kleynhans, Terrence Turnbull
Detection of sinkhole precursors through SAR interferometry: First results from South Africa. IGARSS (2016)
Brian P. Salmon, Waldo Kleynhans, Jan C. Olivier, Colin P. Schwegmann
A heuristic approach to learning new graph structures for remote sensing images. IGARSS (2016)
Colin P. Schwegmann, Waldo Kleynhans, Brian P. Salmon, L. W. Mdakane, R. G. V. Meyer
Very deep learning for ship discrimination in Synthetic Aperture Radar imagery. IGARSS (2016)
Brian P. Salmon, Waldo Kleynhans, Jan C. Olivier, Colin P. Schwegmann, Willem C. Olding
A multi-tier higher order conditional random field for land cover classification of multi-temporal multi-spectral landsat imagery. IGARSS (2015)
Waldo Kleynhans, Brian P. Salmon, Jan C. Olivier
Detecting settlement expansion in South Africa using a hyper-temporal SAR change detection approach. Int. J. Appl. Earth Obs. Geoinformation 42 (2015)
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 (2015)
Colin P. Schwegmann, Waldo Kleynhans, Brian P. Salmon, Lizwe Mdakane
A CA-CFAR and localized wavelet ship detector for Sentinel-1 imagery. IGARSS (2015)
L. W. Mdakane, Waldo Kleynhans, Colin P. Schwegmann
Bilge dump detection from SAR imagery using local binary patterns. IGARSS (2015)
Colin P. Schwegmann, Waldo Kleynhans, Brian P. Salmon
Manifold Adaptation for Constant False Alarm Rate Ship Detection in South African Oceans. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 8 (7) (2015)
Colin P. Schwegmann, Waldo Kleynhans, Brian P. Salmon, Lizwe Mdakane
Ship detection in Sentinel-1 imagery using the H-dome transformation. IGARSS (2015)
Brian P. Salmon, Waldo Kleynhans, Colin P. Schwegmann, Jan C. Olivier
Proper comparison among methods using a confusion matrix. IGARSS (2015)
Colin P. Schwegmann, Waldo Kleynhans, Brian P. Salmon
Simulated annealing CFAR threshold selection for South African ship detection in ASAR imagery. IGARSS (2014)
Waldo Kleynhans, Brian P. Salmon
Detecting settlement expansion using hyper-temporal SAR time-series. IGARSS (2014)
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)
Waldo Kleynhans, Brian P. Salmon, Konrad J. Wessels
A novel spatio-temporal change detection approach using hyper-temporal satellite data. IGARSS (2014)
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)
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) (2014)
Colin P. Schwegmann, Waldo Kleynhans, Brian P. Salmon
Ship detection in South African oceans using SAR, CFAR and a Haar-like feature classifier. IGARSS (2014)
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)
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)
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) (2013)
Trienko L. Grobler, Etienne R. Ackermann, Augustinus J. van Zyl, Jan C. Olivier, Waldo Kleynhans, Brian P. Salmon
An Inductive Approach to Simulating Multispectral MODIS Surface Reflectance Time Series. IEEE Geosci. Remote. Sens. Lett. 10 (3) (2013)
Trienko L. Grobler, Etienne R. Ackermann, Augustinus J. van Zyl, Jan C. Olivier, Waldo Kleynhans, Brian P. Salmon
Using Page's Cumulative Sum Test on MODIS Time Series to Detect Land-Cover Changes. IEEE Geosci. Remote. Sens. Lett. 10 (2) (2013)
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)
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)
Waldo Kleynhans, Brian P. Salmon, Colin P. Schwegmann, M. Vincent Seotlo
Ship detection in South African oceans using a combination of SAR and historic LRIT data. IGARSS (2013)
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)
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)
Trienko L. Grobler, Etienne R. Ackermann, Augustinus J. van Zyl, Waldo Kleynhans, Brian P. Salmon, Jan C. Olivier
Sequential classification of MODIS time series. IGARSS (2012)
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) (2012)
Trienko L. Grobler, Etienne R. Ackermann, Jan C. Olivier, Augustinus J. van Zyl, Waldo Kleynhans
Land-Cover Separability Analysis of MODIS Time-Series Data Using a Combined Simple Harmonic Oscillator and a Mean Reverting Stochastic Process. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 5 (3) (2012)
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)
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) (2011)
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) (2011)
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)
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) (2011)
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)
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)
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) (2010)
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)
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)
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)
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)
Jan C. Olivier, Waldo Kleynhans
Single antenna interference cancellation for synchronised GSM networks using a widely linear receiver. IET Commun. 1 (1) (2007)
Jan C. Olivier, Waldo Kleynhans, Simeon Miteff
Teaching the theory of estimation and detection via a GSM radio interface Simulation. IEEE Trans. Educ. 49 (1) (2006)