Deep learning has been successfully applied to image super resolution (SR). In this paper, we propose a deep joint super resolution (DJSR) model to exploit both external and self similarities for SR. A Stacked Denoising Convolutional Auto Encoder (SDCAE) is first pre-trained on external examples with proper data augmentations. It is then fine-tuned with multi-scale self examples from each input, where the reliability of self examples is explicitly taken into account. We also enhance the model performance by sub-model training and selection. The DJSR model is extensively evaluated and compared with state-of-the-arts, and show noticeable performance improvements both quantitatively and perceptually on a wide range of images.
Self-tuned deep super resolution
Zhangyang Wang,Yingzhen Yang,Zhaowen Wang,Shiyu Chang,Wei Han,Jianchao Yang,Thomas S. Huang
Published 2015 in 2015 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)
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2015
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2015 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)
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2015-04-21
- Fields of study
Computer Science
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