Streetscapes: Large-scale Consistent Street View Generation Using Autoregressive Video Diffusion

• URL: http://arxiv.org/abs/2407.13759v2
• Date: Thu, 25 Jul 2024 17:47:20 GMT
• Title: Streetscapes: Large-scale Consistent Street View Generation Using Autoregressive Video Diffusion
• Authors: Boyang Deng, Richard Tucker, Zhengqi Li, Leonidas Guibas, Noah Snavely, Gordon Wetzstein,
• Abstract summary: We present a method for generating Streetscapes-long sequences of views through an on-the-fly synthesized city-scale scene. Our method can scale to much longer-range camera trajectories, spanning several city blocks, while maintaining visual quality and consistency.
• Score: 61.929653153389964
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: We present a method for generating Streetscapes-long sequences of views through an on-the-fly synthesized city-scale scene. Our generation is conditioned by language input (e.g., city name, weather), as well as an underlying map/layout hosting the desired trajectory. Compared to recent models for video generation or 3D view synthesis, our method can scale to much longer-range camera trajectories, spanning several city blocks, while maintaining visual quality and consistency. To achieve this goal, we build on recent work on video diffusion, used within an autoregressive framework that can easily scale to long sequences. In particular, we introduce a new temporal imputation method that prevents our autoregressive approach from drifting from the distribution of realistic city imagery. We train our Streetscapes system on a compelling source of data-posed imagery from Google Street View, along with contextual map data-which allows users to generate city views conditioned on any desired city layout, with controllable camera poses. Please see more results at our project page at https://boyangdeng.com/streetscapes.

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