RT info:eu-repo/semantics/article T1 PASS: Panoramic Annular Semantic Segmentation A1 Yang, Kailun A1 Hu, Xinxin A1 Bergasa Pascual, Luis Miguel A1 Romera Carmena, Eduardo A1 Kaiwei, Wang K1 Semantics K1 Cameras K1 Image segmentation K1 Sensors K1 Navigation K1 Task analysis K1 Benchmark testing K1 Intelligent vehicles K1 Scene parsing K1 Semantic segmentation K1 Scene understanding K1 Panoramic annular images K1 Electrónica K1 Electronics AB Pixel-wise semantic segmentation is capable of unifying most of driving scene perception tasks, and has enabled striking progress in the context of navigation assistance, where an entire surrounding sensing is vital. However, current mainstream semantic segmenters are predominantly benchmarked against datasets featuring narrow Field of View (FoV), and a large part of vision-based intelligent vehicles use only a forward-facing camera. In this paper, we propose a Panoramic Annular Semantic Segmentation (PASS) framework to perceive the whole surrounding based on a compact panoramic annular lens system and an online panorama unfolding process. To facilitate the training of PASS models, we leverage conventional FoV imaging datasets, bypassing the efforts entailed to create fully dense panoramic annotations. To consistently exploit the rich contextual cues in the unfolded panorama, we adapt our real-time ERF-PSPNet to predict semantically meaningful feature maps in different segments, and fuse them to fulfill panoramic scene parsing. The innovation lies in the network adaptation to enable smooth and seamless segmentation, combined with an extended set of heterogeneous data augmentations to attain robustness in panoramic imagery. A comprehensive variety of experiments demonstrates the effectiveness for real-world surrounding perception in a single PASS, while the adaptation proposal is exceptionally positive for state-of-the-art efficient networks. PB IEEE SN 1524-9050 YR 2019 FD 2019-09-12 LK http://hdl.handle.net/10017/42859 UL http://hdl.handle.net/10017/42859 LA eng NO Ministerio de Economía y Competitividad DS MINDS@UW RD 24-abr-2024