MATLAB 3 Matlab- software Surface topography 2 Topography 2 Algorithm development 1 Binary alloys 1 Conducting surfaces 1 Data handling 1 Edge detection 1 Edge position 1 Edge-detection operators 1 Error and uncertainty 1 Feature boundary 1 Feature extraction 1 Geomagnetic induced currents 1 Geomagnetism 1 Gradient based 1 Harmful effects 1 Image files 1 Image processing 1 Intercalation 1 Low latitudes 1 Malaysians 1 Power networks 1 Precise measurements 1 Reference data 1 Reference datum 1 Research focus 1 Reversal method 1 Reversal methods 1