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Alternative TitleMingdi. Image Super-Resolution based on Convolutional neural Networks. Computer Engineering and Applications
刘鹏飞1,2,3,4; 赵怀慈1,2,4; 刘明第1,3,4
Source Publication计算机工程与应用
Contribution Rank1
Funding Organization国家部委预研基金
Keyword图像超分辨率 深度学习 卷积神经网络 特征转移
Abstract单幅图像超分辨率(Super Resolution,SR)重建,是计算机视觉领域的一个经典问题,其目的在于从一个低分辨率图像得到一个高分辨率图像。目前的卷积神经网络重建算法只有三层结构,浅层结构在处理内部结构复杂的数据时,会出现表征能力不足的问题,因此提出了一个基于特征转移的八层卷积神经网络结构来实现图像超分辨率重建。针对不同的测试集,文中提出的卷积神经网络模型取得了更佳的超分辨率结果,不管是在主观视觉上还是在客观评价指标上均有明显改善,把数据集图像放大3倍时,对于不同算法的对比图像,文中算法的峰值信噪比最高,而且在清晰度方面尤其是图像纹理边缘得到了增强。实验结果证明了基于迁移转移的八层卷积神经网络对图像超分辨率重建的有效性,且网络的收敛速度更快,在精细度方面具有更高的优势。
Other AbstractSingle image super-resolution (SISR), which aims at obtaining a high-resolution image from a single low-resolution image, is a classical problem in computer vision. At present the convolution neural network reconstruction algorithm only has three layers. When dealing with real word data and internal structure is complex, it will appear problem of insufficient characterization ability. In order to meet the requirements of higher super-resolution reconstruction precision, an eight-layer structure is proposed by feature transfer. For different test datasets, the model of Transfer Learning Super-Resolution using Convolutional Neural Networks (TLSRCNN) achieves good super-resolution results, and the subjective visual effect and objective evaluation indices are both improved obviously. Peak signal-to-noise ratio of TLSRCNN is the highest in contrast to other algorithms. The image resolution and edge sharpness are enhanced. Experimental results demonstrate TLSRCNN effectiveness of image super-resolution reconstruction, and network convergence speed is faster, which can recover image texture details better in comparison with traditional method.
Document Type期刊论文
Corresponding Author刘鹏飞
Recommended Citation
GB/T 7714
刘鹏飞,赵怀慈,刘明第. 基于卷积神经网络的图像超分辨率重建[J]. 计算机工程与应用,2019,55(9):197-202.
APA 刘鹏飞,赵怀慈,&刘明第.(2019).基于卷积神经网络的图像超分辨率重建.计算机工程与应用,55(9),197-202.
MLA 刘鹏飞,et al."基于卷积神经网络的图像超分辨率重建".计算机工程与应用 55.9(2019):197-202.
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