Developing and Deploying Machine Learning Pipelines against Real-Time Image Streams from the PACS
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Executing machine learning (ML) pipelines on radiology images is hard due to limited computing resources in clinical environments, whereas running them in research clusters in real-time requires efficient data transfer capabilities. We propose Niffler, an integrated ML framework that runs in research clusters that receives radiology images in real-time from hospitals' Picture Archiving and Communication Systems (PACS). Niffler consists of an inter-domain data streaming approach that exploits the Digital Imaging and Communications in Medicine (DICOM) protocol to fetch data from the PACS to the data processing servers for executing the ML pipelines. It provides metadata extraction capabilities and Application programming interfaces (APIs) to apply filters on the DICOM images and run the ML pipelines. The outcomes of the ML pipelines can then be shared back with the end-users in a de-identified manner. Evaluations on the Niffler prototype highlight the feasibility and efficiency in running the ML pipelines in real-time from a research cluster on the images received in real-time from hospital PACS.
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