In cooperative perception systems, different vehicles share object data obtained by their local environment perception sensors, like radar or lidar, via wireless communication. In this paper, this so-called Car2X-based perception is modeled as a virtual sensor in order to integrate it into a highlevel sensor data fusion architecture. The spatial and temporal alignment of incoming data is a major issue in cooperative perception systems. Temporal alignment is done by predicting the received object data with a model-based approach. In this context, the CTRA (constant turn rate and acceleration) motion model is used for a three-dimensional prediction of the communication partner's motion. Concerning the spatial alignment, two approaches to transform the received data, including the uncertainties, into the receiving vehicle's local coordinate frame are compared. The approach using an unscented transformation is shown to be superior to the approach by linearizing the transformation function. Experimental results prove the accuracy and consistency of the virtual sensor's output.


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    Title :

    Car2X-based perception in a high-level fusion architecture for cooperative perception systems


    Contributors:


    Publication date :

    2012-06-01


    Size :

    793442 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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