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Ensemble based deep networks for image super-resolution
Wang, Lingfeng; Huang, Zehao; Gong, Yongchao; Pan, Chunhong
AbstractThere have been significant advances in deep learning based single-image super-resolution (SISR) recently. With the advantage of deep neural networks, deep learning based methods can learn the mapping from low-resolution (LR) space to high-resolution (HR) space in an end-to-end manner. However, most of them only use a single model to generate HR result. This brings two drawbacks: (1) the risk of getting stuck in local optima and (2) the limited representational ability of single model when handling various input LR images. To overcome these problems, we novelly suggest a general way through introducing the idea of ensemble into SR task. Furthermore, instead of simple averaging, we propose a back-projection method to determine the weights of different models adaptively. In this paper, we focus on sparse coding network and propose ensemble based sparse coding network (ESCN). Through the combination of multiple models, our ESCN can generate more robust reconstructed results and achieve state-of-the-art performance. (C) 2017 Elsevier Ltd. All rights reserved.
KeywordSuper-resolution Ensemble Sparse Prior Deep Networks
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China(61403376 ; 91646207 ; 61370039)
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Artificial Intelligence ; Engineering, Electrical & Electronic
WOS IDWOS:000401381100014
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Document Type期刊论文
Corresponding AuthorWang, Lingfeng
AffiliationChinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Lingfeng,Huang, Zehao,Gong, Yongchao,et al. Ensemble based deep networks for image super-resolution[J]. PATTERN RECOGNITION,2017,68(null):191-198.
APA Wang, Lingfeng,Huang, Zehao,Gong, Yongchao,&Pan, Chunhong.(2017).Ensemble based deep networks for image super-resolution.PATTERN RECOGNITION,68(null),191-198.
MLA Wang, Lingfeng,et al."Ensemble based deep networks for image super-resolution".PATTERN RECOGNITION 68.null(2017):191-198.
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