Opto-Electronic Engineering, Volume. 46, Issue 11, 180489(2019)

Image super-resolution via multi-path recursive convolutional network

Shen Mingyu*, Yu Pengfei, Wang Ronggui, Yang Juan, and Xue Lixia
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  • [in Chinese]
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    Convolutional neural network (CNN) has recently achieved a great success for single image su-per-resolution (SISR). However, most deep CNN-based super-resolution models use chained stacking to build the network, which results in the fact that the relationship between layers is weak and does not make full use of hierar-chical features. In this paper, a multi-path recursive convolutional network (MRCN) is designed to address these problems in SISR. By using multi-path structure to strengthen the relationship between layers, our network can ef-fectively utilize features and extract rich high-frequency components. At the same time, we also use recursive structure to alleviate training difficulty. In addition, by introducing the operation of feature fusion into the model, our network can make full use of the features extracted from each layer in the reconstruction process and select the ef-fective features adaptively. Extensive experiments on benchmarks datasets have shown that MRCN has a significant performance improvement against existing methods.

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    Shen Mingyu, Yu Pengfei, Wang Ronggui, Yang Juan, Xue Lixia. Image super-resolution via multi-path recursive convolutional network[J]. Opto-Electronic Engineering, 2019, 46(11): 180489

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    Paper Information

    Category: Article

    Received: Sep. 17, 2018

    Accepted: --

    Published Online: Dec. 8, 2019

    The Author Email: Mingyu Shen (shenmy@126.com)

    DOI:10.12086/oee.2019.180489

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