期刊
IMAGE AND VISION COMPUTING
卷 88, 期 -, 页码 9-18出版社
ELSEVIER
DOI: 10.1016/j.imavis.2019.03.006
关键词
Image supper resolution; Dense network; Dilated convolution
类别
资金
- NSFC, China [61572315, 6151101179]
- 973 Program, China [2015CB856004]
Image super-resolution (SR) is an interesting topic in computer vision. However, it remains challenging to achieve high-resolution image from the corresponding low-resolution version due to inherent variability, high dimensionality, and small ground targets images. In this paper, a new model based on dilated convolutional neural network is proposed to improve the image resolution. Recently, deep learning methods have led to significant improvements and completely outpace other models. However, these methods have not fully exploited all the features of the original low-resolution image, because of complex imaging conditions and the degradation process. To address this issue, we proposed an effective model based on dilated dense network operations to accelerate deep networks for image SR, which support the exponential growth of the receptive field parallel by increasing the filter size. In particular, residual network and skip connections are used for deep recovery. The experimental evaluations on several datasets prove the efficiency and stability of the proposed model. The proposed model not only achieves state-of-the-art performance but also has more efficient computation. (C) 2019 Elsevier B.V. All rights reserved.
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