In this work, we investigate the potential of latent representations generated by Variational Autoencoders (VAE) to analyze and distinguish between real and synthetic data. Although the details of the domain adaptation task are not the focus of this work, we use the example of simulated lidar data adapted by a generative model to match real lidar data. To assess the resulting adapted data, we evaluate the potential of latent representations learned by a VAE.During training, the VAE aims to reduce the input data to a fixed-dimensional feature vector, while also enforcing stochastic independence between the latent variables. These properties can be used to define pseudometrics to make statements about generative models that perform domain adaptation tasks. The variational autoencoder is trained on real target data only and is subsequently used to generate distributions of feature vectors for data coming from different data sources such as simulations or the output of Generative Adversarial Networks.


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    Title :

    Unsupervised Evaluation of Lidar Domain Adaptation


    Contributors:


    Publication date :

    2020-09-20


    Size :

    1895648 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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