GLStyleNet: exquisite style transfer combining global and local pyramid features,IET Computer Vision

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GLStyleNet: exquisite style transfer combining global and local pyramid features
IET Computer Vision ( IF 1.7 ) Pub Date : 2020-12-15 , DOI: 10.1049/iet-cvi.2019.0844
Zhizhong Wang ₁ , Lei Zhao ₁ , Sihuan Lin ₁ , Qihang Mo ₁ , Huiming Zhang ₁ , Wei Xing ₁ , Dongming Lu ₁

Affiliation

Recent studies using deep neural networks have shown remarkable success in style transfer, especially for artistic and photo-realistic images. However, these methods cannot solve more sophisticated problems. The approaches using global statistics fail to capture small, intricate textures and maintain correct texture scales of the artworks, and the others based on local patches are defective on global effect. To address these issues, this study presents a unified model [global and local style network (GLStyleNet)] to achieve exquisite style transfer with higher quality. Specifically, a simple yet effective perceptual loss is proposed to consider the information of global semantic-level structure, local patch-level style, and global channel-level effect at the same time. This could help transfer not just large-scale, obvious style cues but also subtle, exquisite ones, and dramatically improve the quality of style transfer. Besides, the authors introduce a novel deep pyramid feature fusion module to provide a more flexible style expression and a more efficient transfer process. This could help retain both high-frequency pixel information and low-frequency construct information. They demonstrate the effectiveness and superiority of their approach on numerous style transfer tasks, especially the Chinese ancient painting style transfer. Experimental results indicate that their unified approach improves image style transfer quality over previous state-of-the-art methods.

更新日期：2020-12-18

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