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Assessment of accuracy: systematic reduction of training points for maximum likelihood classification and mixture discriminant analysis (Gaussian and t-distribution)

Author: Ritchie, Michaela C ; Debba, Pravesh ; Lück-Vogel, Melanie ; Goodall, V Date: Sep 2018 Remote sensing provides a valuable tool for monitoring land cover across large areas of land. A simple yet popular method for land cover classification is Maximum Likelihood Classification (MLC), which assumes a single normal distribution of ... Read more
Hybrid speckle de-noising filters for ultrasound images

Author: Sikhakhane, K ; Rimer, S ; Gololo, M ; Ouahada, K ; Abu-Mahfouz, Adnan MI Date: Sep 2023 Ultrasound imaging uses reflected echo signals from high-frequency sound waves transmitted into a body with high water content to create images of the internal soft tissue, bone, and blood flow. Different kinds of noise are introduced during ... Read more
Improving the laser brightness of a commercial laser system

Author: Naidoo, Darryl ; Litvin, Ihar ; Forbes, A Date: Feb 2017 We investigate the selection of a flat-top beam and a Gaussian beam inside a laser cavity on opposing mirrors. The concept is tested external to the laser cavity in a single pass and double pass regime where the latter mimics a single round ... Read more

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Browsing by Subject "Gaussian"

Browsing by Subject "Gaussian"

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