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Browsing by Author "Stoltz, George G"

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Acceleration of hidden Markov model fitting using graphical processing units, with application to low-frequency tremor classification

Author: Stoltz, M ; Stoltz, George G ; Obara, K ; Wang, T ; Bryant, D Date: Nov 2021 Hidden Markov models (HMMs) are general purpose models for time-series data widely used across the sciences because of their flexibility and elegance. Fitting HMMs can often be computationally demanding and time consuming, particularly when ... Read more
Cross-dataset performance evaluation of deep learning distracted driver detection algorithms

Author: Zandamela, Frank ; Ratshidaho, Terence ; Nicolls, F ; Stoltz, George G Date: Nov 2022 Deep learning has gained traction due its supremacy in terms of accuracy and ability to automatically learn features from input data. However, deep learning algorithms can sometimes be flawed due to many factors such as training dataset, ... Read more
Image stitching for usage in photogrammetric algorithms

Author: Stoltz, George G Date: Jan 2019 A distributed camera system can consist of multiple camera groups. An image stitch is created by each group and transmitted to a central processing unit. The central processing combines all received images into an image stitch. The camera ... Read more
Improving spatial domain based image formation through compressed sensing

Author: Stoltz, George G ; Nel, AL Date: Oct 2020 In this paper, we improve image reconstruction in a single-pixel scanning system by selecting an detector optimal field of view. Image reconstruction is based on compressed sensing and image quality is compared to interpolated staring arrays. ... Read more
Performance estimation of a real-time Rosette imager

Author: Stoltz, George G ; Stoltz, M Date: Sep 2020 In this paper, we model a real-time feasible rosette imager, consisting of a rosette scanner, an optical sensor and a deterministic image reconstruction algorithm. We fine-tune the rosette imager through selecting the appropriate sensor field ... Read more

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Browsing by Author "Stoltz, George G"

Browsing by Author "Stoltz, George G"

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