Date of Award:
12-2024
Document Type:
Thesis
Degree Name:
Master of Science (MS)
Department:
Computer Science
Committee Chair(s)
Shah Muhammad Hamdi
Committee
Shah Muhammad Hamdi
Committee
Soukaina Filali Boubrahimi
Committee
Mahdi Nasrullah Al-Ameen
Abstract
Time series data, such as weather forecasts, stock market trends, or heart rate monitors, plays a vital role in many areas of our lives. However, creating realistic synthetic time series data for research and testing purposes has been a significant challenge due to limitations in existing methods, which often struggle with accuracy and consistency. In this study, we developed two new approaches to generate high-quality time series data more effectively. The first method introduces a dual-feedback system that helps the model learn and replicate real data patterns more accurately by providing guidance at different stages of the learning process. The second method features a novel design that works well with both short and long sequences of data, making it versatile for various applications. Both methods incorporate innovative techniques to improve stability and ensure the generated data closely mirrors real-world patterns. These techniques include algorithms for preserving the best model during training, novel cost functions, and an integrated joint training mechanism to enhance performance. We tested these approaches on different types of time series data, including financial markets and medical signals. The results showed that our methods consistently produced more accurate and reliable data than existing standard techniques.
Recommended Citation
EskandariNasab, MohammadReza, "Supervised Generative Adversarial Networks for Time Series Generation in Embedding Space" (2024). All Graduate Theses and Dissertations, Fall 2023 to Present. 387.
https://digitalcommons.usu.edu/etd2023/387
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