期刊
IEEE TRANSACTIONS ON MULTIMEDIA
卷 20, 期 7, 页码 1724-1737出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMM.2017.2780761
关键词
Image stylization; superpixel; bipartite graph; stylistic brush
资金
- National Natural Science Foundation of China [61772043]
- Microsoft Research Asia [FY17-RES-THEME-013]
- CCF-Tencent Open Research Fund
With the rapid development of social network and multimedia technology, customized image and video stylization have been widely used for various social-media applications. In this paper, we explore the problem of exemplar-based photo style transfer, which provides a flexible and convenient way to invoke fantastic visual impression. Rather than investigating some fixed artistic patterns to represent certain styles as was done in some previous works, our work emphasizes styles related to a series of visual effects in the photograph (e.g., color, tone, and contrast). We propose a photo stylistic brush, an automatic robust style transfer approach based on Superpixel-based BI partite Graph (SuperBIG). A two-step bipartite graph algorithm with different granularity levels is employed to aggregate pixels into superpixels and find their correspondences. In the first step, with the extracted hierarchical features, a bipartite graph is constructed to describe the content similarity for pixel partition to produce superpixels. In the second step, superpixels in the input/reference image are rematched to form a new superpixel-based bipartite graph, and superpixel-level correspondences are generated by bipartite matching. Finally, the refined correspondence guides SuperBIG to perform the transformation in a decorrelated color space. Extensive experimental results demonstrate the effectiveness and robustness of the proposed method for transferring various styles of exemplar images, even for some challenging cases, such as night images.
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