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PHOTOSWAP: Personalized Subject Swapping in Images

Jing Gu · Yilin Wang · Nanxuan Zhao · Tsu-Jui Fu · Wei Xiong · Qing Liu · Zhifei Zhang · HE Zhang · Jianming Zhang · HyunJoon Jung · Xin Eric Wang

Great Hall & Hall B1+B2 (level 1) #304


In an era where images and visual content dominate our digital landscape, the ability to manipulate and personalize these images has become a necessity.Envision seamlessly substituting a tabby cat lounging on a sunlit window sill in a photograph with your own playful puppy, all while preserving the original charm and composition of the image. We present \emph{Photoswap}, a novel approach that enables this immersive image editing experience through personalized subject swapping in existing images.\emph{Photoswap} first learns the visual concept of the subject from reference images and then swaps it into the target image using pre-trained diffusion models in a training-free manner. We establish that a well-conceptualized visual subject can be seamlessly transferred to any image with appropriate self-attention and cross-attention manipulation, maintaining the pose of the swapped subject and the overall coherence of the image. Comprehensive experiments underscore the efficacy and controllability of \emph{Photoswap} in personalized subject swapping. Furthermore, \emph{Photoswap} significantly outperforms baseline methods in human ratings across subject swapping, background preservation, and overall quality, revealing its vast application potential, from entertainment to professional editing.

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