Sound2Sight: Generating Visual Dynamics from Sound and Context

    •  Cherian, A., Chatterjee, M., Ahuja, N., "Sound2Sight: Generating Visual Dynamics from Sound and Context", European Conference on Computer Vision (ECCV), Vedaldi, A., Bischof, H., Brox, Th., Frahm, J.-M., Eds., August 2020.
      BibTeX TR2020-121 PDF Software
      • @inproceedings{Cherian2020aug,
      • author = {Cherian, Anoop and Chatterjee, Moitreya and Ahuja, Narendra},
      • title = {Sound2Sight: Generating Visual Dynamics from Sound and Context},
      • booktitle = {European Conference on Computer Vision (ECCV)},
      • year = 2020,
      • editor = {Vedaldi, A., Bischof, H., Brox, Th., Frahm, J.-M.},
      • month = aug,
      • publisher = {Springer},
      • url = {}
      • }
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  • Research Areas:

    Artificial Intelligence, Computer Vision, Machine Learning

Learning associations across modalities is critical for robust multimodal reasoning, especially when a modality may be missing during inference. In this paper, we study this problem in the context of audio-conditioned visual synthesis – a task that is important, for example, in occlusion reasoning. Specifically, our goal is to generate future video frames and their motion dynamics conditioned on audio and a few past frames. To tackle this problem, we present Sound2Sight, a deep variational framework, that is trained to learn a per frame stochastic prior conditioned on a joint embedding of audio and past frames. This embedding is learned via a multi-head attention-based audio-visual transformer encoder. The learned prior is then sampled to further condition a video forecasting module to generate future frames. The stochastic prior allows the model to sample multiple plausible futures that are consistent with the provided audio and the past context. Moreover, to improve the quality and coherence of the generated frames, we propose a multimodal discriminator that differentiates between a synthesized and a real audio-visual clip. We empirically evaluate our approach, vis-a-vis closely-related prior methods, on two new datasets viz. (i) Multimodal Stochastic Moving MNIST with a Surprise Obstacle(ii) Youtube Paintings; as well as on the existing Audio-Set Drums dataset. Our extensive experiments demonstrate that Sound2Sight significantly outperforms the state of the art in the generated video quality, while also producing diverse video content.


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