Content-Aware Image Retargeting Incorporated with Letterboxing

Kazu MISHIBA  Yuji OYAMADA  Katsuya KONDO  

Publication
IEICE TRANSACTIONS on Information and Systems   Vol.E100-D   No.4   pp.865-873
Publication Date: 2017/04/01
Online ISSN: 1745-1361
Type of Manuscript: PAPER
Category: Image Processing and Video Processing
Keyword: 
content-aware image retargeting,  image resize,  image warping,  letterboxing,  

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Summary: 
Conventional image retargeting methods fail to avoid distortion in the case where visually important regions are distributed all over the image. To reduce distortions, this paper proposes a novel image retargeting method that incorporates letterboxing into an image warping framework. Letterboxing has the advantage of producing results without distortion or content loss although being unable to use the entire display area. Therefore, it is preferable to combine a retargeting method with a letterboxing operator when displaying images in full screen. Experimental results show that the proposed method is superior to conventional methods in terms of visual quality measured by an objective metric.