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Bayesian segnet: Model uncertainty in deep convolutional encoder-decoder architectures for scene understanding
Authors
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V Badrinarayanan
R Cipolla
A Kendall
Publication date
1 July 2017
Publisher
Abstract
© 2017. The copyright of this document resides with its authors. We present a deep learning framework for probabilistic pixel-wise semantic segmentation, which we term Bayesian SegNet. Semantic segmentation is an important tool for visual scene understanding and a meaningful measure of uncertainty is essential for decision making. Our contribution is a practical system which is able to predict pixel-wise class labels with a measure of model uncertainty using Bayesian deep learning. We achieve this by Monte Carlo sampling with dropout at test time to generate a posterior distribution of pixel class labels. In addition, we show that modelling uncertainty improves segmentation performance by 2-3% across a number of datasets and architectures such as SegNet, FCN, Dilation Network and DenseNet
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CUED - Cambridge University Engineering Department
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Last time updated on 15/07/2020