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Neural network makes 3D models from face photos

Posted on Thursday, December 08 2016 @ 13:47:15 CET by


Deep neural networks are one of the many buzzwords that gained popularity this year as there's been a lot of advancement in the AI field. Today we come across an interesting video from ArXiv that shows how their model can generate a complete 3D face model from a partial 2D photo of a random person. Pretty impressive and it could be useful for a variety of fields, including video games.
ArXiv 2016 Paper Video: We present a data-driven inference method that can synthesize a photorealistic texture map of a complete 3D face model given a partial 2D view of a person in the wild. After an initial estimation of shape and low-frequency albedo, we compute a high-frequency partial texture map, without the shading component, of the visible face area. To extract the fine appearance details from this incomplete input, we introduce a multi-scale detail analysis technique based on mid-layer feature correlations extracted from a deep convolutional neural network.

We demonstrate that fitting a convex combination of feature correlations from a high-resolution face database can yield a semantically plausible facial detail description of the entire face. A complete and photorealistic texture map can then be synthesized by iteratively optimizing for the reconstructed feature correlations. Using these high-resolution textures and a commercial rendering framework, we can produce high-fidelity 3D renderings that are visually comparable to those obtained with state-of-the-art multi-view face capture systems. We demonstrate successful face reconstructions from a wide range of low resolution input images, including those of historical figures. In addition to extensive evaluations, we validate the realism of our results using a crowdsourced user study.


Via: HardOCP



 



 

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