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QUTE: Quantifying Uncertainty in TinyML models with Early-exit-assisted ensembles
April 22, 2024, 4:41 a.m. | Nikhil P Ghanathe, Steve Wilton
cs.LG updates on arXiv.org arxiv.org
Abstract: Existing methods for uncertainty quantification incur massive memory and compute overhead, often requiring multiple models/inferences. Hence they are impractical on ultra-low-power KB-sized TinyML devices. To reduce overhead, prior works have proposed the use of early-exit networks as ensembles to quantify uncertainty in a single forward-pass. However, they still have a prohibitive cost for tinyML. To address these challenges, we propose QUTE, a novel resource-efficient early-exit-assisted ensemble architecture optimized for tinyML models. QUTE adds additional output …
abstract arxiv compute cs.cv cs.lg devices exit however inferences low massive memory multiple networks power prior quantification reduce tinyml type uncertainty
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