Evidential fully convolutional network for semantic segmentation

• URL: http://arxiv.org/abs/2103.13544v1
• Date: Thu, 25 Mar 2021 01:21:22 GMT
• Title: Evidential fully convolutional network for semantic segmentation
• Authors: Zheng Tong, Philippe Xu, Thierry Den{\oe}ux
• Abstract summary: We propose a hybrid architecture composed of a fully convolutional network (FCN) and a Dempster-Shafer layer for image semantic segmentation. Experiments show that the proposed combination improves the accuracy and calibration of semantic segmentation by assigning confusing pixels to multi-class sets.
• Score: 6.230751621285322
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We propose a hybrid architecture composed of a fully convolutional network (FCN) and a Dempster-Shafer layer for image semantic segmentation. In the so-called evidential FCN (E-FCN), an encoder-decoder architecture first extracts pixel-wise feature maps from an input image. A Dempster-Shafer layer then computes mass functions at each pixel location based on distances to prototypes. Finally, a utility layer performs semantic segmentation from mass functions and allows for imprecise classification of ambiguous pixels and outliers. We propose an end-to-end learning strategy for jointly updating the network parameters, which can make use of soft (imprecise) labels. Experiments using three databases (Pascal VOC 2011, MIT-scene Parsing and SIFT Flow) show that the proposed combination improves the accuracy and calibration of semantic segmentation by assigning confusing pixels to multi-class sets.

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