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Lidar Cloud Detection with Fully Convolutional Networks

05/02/2018

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by Erol Cromwell, et al.

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In this contribution, we present a novel approach for segmenting laser radar (lidar) imagery into geometric time-height cloud locations with a fully convolutional network (FCN). We describe a semi-supervised learning method to train the FCN by: pre-training the classification layers of the FCN with 'weakly labeled' lidar data, using 'unsupervised' pre-training with the cloud locations of the Wang & Sassen (2001) cloud mask algorithm, and fully supervised learning with hand-labeled cloud locations. We show the model achieves higher levels of cloud identification compared to the cloud mask algorithm.

Erol Cromwell
1 publication
Donna Flynn
1 publication

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