Semantic Binary Segmentation using Convolutional Networks without Decoders

05/01/2018
by   Shubhra Aich, et al.
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In this paper, we propose an efficient architecture for semantic image segmentation using the depth-to-space (D2S) operation. Our D2S model is comprised of a standard CNN encoder followed by a depth-to-space reordering of the final convolutional feature maps; thus eliminating the decoder portion of traditional encoder-decoder segmentation models and reducing computation time almost by half. As a participant of the DeepGlobe Road Extraction competition, we evaluate our models on the corresponding road segmentation dataset. Our highly efficient D2S models exhibit comparable performance to standard segmentation models with much less computational cost.

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