Semantic segmentation is an integral component in many autonomous vehicle systems used for tasks like path identification and scene understanding. Autonomous vehicles must make decisions quickly enough so they can react to their surroundings, therefore, they must be able to segment the environment at high speeds. There has been a fair amount of research on semantic segmentation, but most of this research focuses on achieving higher accuracy, using the mean intersection over union (mIoU) metric rather than higher inference speed. More so, most of these semantic segmentation models are trained and evaluated on urban areas instead of off-road environments. Because of this there is a lack of knowledge in semantic segmentation models for use in off-road unmanned ground vehicles. In this research, SwiftNet, a semantic segmentation deep learning model designed for high inference speed and accuracy on images with large dimensions, was implemented and evaluated for inference speed of semantic segmentation of off-road environments. SwiftNet was pre-trained on the ImageNet dataset, then trained on 70% of the labeled images from the Rellis-3D dataset. Rellis-3D is an extensive off-road dataset designed for semantic segmentation, containing 6234 labeled 1920x1200 images. SwiftNet was evaluated using the remaining 30% of images from the Rellis-3D dataset and achieved an average inference speed of 24 frames per second (FPS) and an mIoU score 73.8% on a Titan RTX GPU.


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    Titel :

    Semantic Segmentation with High Inference Speed in Off-Road Environments


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Selee, Bradley (Autor:in) / Faykus, Max (Autor:in) / Smith, Melissa (Autor:in)

    Kongress:

    WCX SAE World Congress Experience ; 2023



    Erscheinungsdatum :

    11.04.2023




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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