Road markings provide guidance to traffic participants and enforce safe driving behaviour, understanding their semantic meaning is therefore paramount in (automated) driving. However, producing the vast quantities of road marking labels required for training state-of-the-art deep networks is costly, time-consuming, and simply infeasible for every domain and condition. In addition, training data retrieved from virtual worlds often lack the richness and complexity of the real world and consequently cannot be used directly. In this paper, we provide an alternative approach in which new road marking training pairs are automatically generated. To this end, we apply principles of domain randomization to the road layout and synthesize new images from altered semantic labels. We demonstrate that training on these synthetic pairs improves mIoU of the segmentation of rare road marking classes during real-world deployment in complex urban environments by more than 12 percentage points, while performance for other classes is retained. This framework can easily be scaled to all domains and conditions to generate large-scale road marking datasets, while avoiding manual labelling effort.


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    Title :

    Generating All the Roads to Rome: Road Layout Randomization for Improved Road Marking Segmentation


    Contributors:
    Bruls, Tom (author) / Porav, Horia (author) / Kunze, Lars (author) / Newman, Paul (author)


    Publication date :

    2019-10-01


    Size :

    1420737 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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