Federated learning is good for building better cooperative intelligent transportation system (C-ITS). Intellectual property protection in C-ITS brings many benefits to all vehicles. Although the protection of model intellectual property by watermark has received much research attention, the existing works only deploy watermark in centralized models. Due to the difference of watermark distribution among vehicles, the global model accuracy of watermark in federated learning is significantly reduced or the local watermark is invalid. To solve these problems, we propose a multi-party entangled watermark algorithm in federated learning. Specifically, in the local training, we propose a watermark enhancement algorithm, which solves the problem of local watermark failure. Then, in the global aggregation, we propose an entanglement aggregation algorithm, which solves the problem of a great loss of global model accuracy. We conduct extensive experiments on public datasets to show the superiority of our proposal. The results show that our scheme can obtain more than 16% and 31% advantages in model accuracy and watermark success rate, respectively, compared with existing watermark schemes in federated learning.


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    Titel :

    CITS-MEW: Multi-Party Entangled Watermark in Cooperative Intelligent Transportation System


    Beteiligte:
    Wu, Tong (Autor:in) / Li, Xinghua (Autor:in) / Miao, Yinbin (Autor:in) / Xu, Mengfan (Autor:in) / Zhang, Haiyan (Autor:in) / Liu, Ximeng (Autor:in) / Choo, Kim-Kwang Raymond (Autor:in)


    Erscheinungsdatum :

    2023-03-01


    Format / Umfang :

    2306420 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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