Browsing by Author "Snavely, Noah"

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    What's in a Decade? Transforming Faces Through Time
    (The Eurographics Association and John Wiley & Sons Ltd., 2023) Chen, Eric Ming; Sun, Jin; Khandelwal, Apoorv; Lischinski, Dani; Snavely, Noah; Averbuch-Elor, Hadar; Myszkowski, Karol; Niessner, Matthias
    How can one visually characterize photographs of people over time? In this work, we describe the Faces Through Time dataset, which contains over a thousand portrait images per decade from the 1880s to the present day. Using our new dataset, we devise a framework for resynthesizing portrait images across time, imagining how a portrait taken during a particular decade might have looked like had it been taken in other decades. Our framework optimizes a family of per-decade generators that reveal subtle changes that differentiate decades-such as different hairstyles or makeup-while maintaining the identity of the input portrait. Experiments show that our method can more effectively resynthesizing portraits across time compared to state-of-theart image-to-image translation methods, as well as attribute-based and language-guided portrait editing models. Our code and data will be available at facesthroughtime.github.io.