Deep learning has achieved remarkable success across various fields, especially in image processing tasks like denoising, sharpening, and contrast enhancement. However, the performance of these models heavily relies o...
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Deep learning has achieved remarkable success across various fields, especially in image processing tasks like denoising, sharpening, and contrast enhancement. However, the performance of these models heavily relies on the careful selection of hyperparameters, which can be a computationally intensive and time-consuming task. Cloud-based hyperparameter search methods have gained popularity due to their ability to address the inefficiencies of single-machine training and the underutilization of computing resources. Nevertheless, these methods still encounters substantial challenges, including high computational demands, parallelism requirements, and prolonged search time. In this study, we propose HyPERTUNEFAAS, a Function as a Service (FaaS)-based hyperparameter search framework that leverages distributed computing and asynchronous processing to tackle the issues encountered in hyperparameter search. By fully exploiting the parallelism offered by serverless computing, HyPERTUNEFAAS minimizes the overhead typically associated with model training on serverless platforms. Additionally, we enhance the traditional genetic algorithm, a powerful metaheuristic method, to improve its efficiency and integrate it with the framework to enhance the efficiency of hyperparameter tuning. Experimental results demonstrate significant improvements inefficiency and cost savings with the combination of the FaaS-based hyperparameter tuning framework and the optimized genetic algorithm, making HyPERTUNEFAAS a powerful tool for optimizing image processing models and achieving superior image quality.
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