Computer Graphics Laboratory ETH Zurich


Adaptive Convolutions for Structure-Aware Style Transfer

P. Chandran, G. Zoss, P. Gotardo, M. Gross, D. Bradley

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) (Virtual, June 19-June 25, 2021), pp. 7972-7981


Style transfer between images is an artistic application of CNNs, where the 'style' of one image is transferred onto another image while preserving the latter's content. The state of the art in neural style transfer is based on Adaptive Instance Normalization (AdaIN), a technique that transfers the statistical properties of style features to a content image, and can transfer a large number of styles in real time. However, AdaIN is a global operation; thus local geometric structures in the style image are often ignored during the transfer. We propose Adaptive Convolutions (AdaConv), a generic extension of AdaIN, to allow for the simultaneous transfer of both statistical and structural styles in real time. Apart from style transfer, our method can also be readily extended to style-based image generation, and other tasks where AdaIN has already been adopted.


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