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基于深度多级小波变换的图像盲去模糊算法

陈书贞 曹世鹏 崔美玥 练秋生

陈书贞, 曹世鹏, 崔美玥, 练秋生. 基于深度多级小波变换的图像盲去模糊算法[J]. 电子与信息学报, 2021, 43(1): 154-161. doi: 10.11999/JEIT190947
引用本文: 陈书贞, 曹世鹏, 崔美玥, 练秋生. 基于深度多级小波变换的图像盲去模糊算法[J]. 电子与信息学报, 2021, 43(1): 154-161. doi: 10.11999/JEIT190947
Shuzhen CHEN, Shipeng CAO, Meiyue CUI, Qiusheng LIAN. Image Blind Deblurring Algorithm Based on Deep Multi-level Wavelet Transform[J]. Journal of Electronics & Information Technology, 2021, 43(1): 154-161. doi: 10.11999/JEIT190947
Citation: Shuzhen CHEN, Shipeng CAO, Meiyue CUI, Qiusheng LIAN. Image Blind Deblurring Algorithm Based on Deep Multi-level Wavelet Transform[J]. Journal of Electronics & Information Technology, 2021, 43(1): 154-161. doi: 10.11999/JEIT190947

基于深度多级小波变换的图像盲去模糊算法

doi: 10.11999/JEIT190947
基金项目: 国家自然科学基金(61471313),河北省自然科学基金(F2019203318)
详细信息
    作者简介:

    陈书贞:女,1968年生,副教授,研究方向为图像处理、压缩感知、深度学习、相位恢复

    曹世鹏:男,1993年生,硕士生,研究方向为深度学习、动态场景去模糊

    崔美玥:女,1996年生,硕士生,研究方向为深度学习、人脸图像去模糊、超分辨率

    练秋生:男,1969年生,教授,博士生导师,研究方向为稀疏表示、深度学习、压缩感知及相位恢复

    通讯作者:

    练秋生 lianqs@ysu.edu.cn

  • 中图分类号: TN911.73

Image Blind Deblurring Algorithm Based on Deep Multi-level Wavelet Transform

Funds: The National Natural Science Foundation of China (61471313), The Natural Science Foundation of Hebei Province (F2019203318)
  • 摘要:

    近年来卷积神经网络广泛应用于单幅图像去模糊问题,卷积神经网络的感受野大小、网络深度等会影响图像去模糊算法性能。为了增大感受野以提高图像去模糊算法的性能,该文提出一种基于深度多级小波变换的图像盲去模糊算法。将小波变换嵌入编-解码结构中,在增大感受野的同时加强图像特征的稀疏性。为在小波域重构高质量图像,该文利用多尺度扩张稠密块提取图像的多尺度信息,同时引入特征融合块以自适应地融合编-解码之间的特征。此外,由于小波域和空间域对图像信息的表示存在差异,为融合这些不同的特征表示,该文利用空间域重建模块在空间域进一步提高重构图像的质量。实验结果表明该文方法在结构相似度(SSIM)和峰值信噪比(PSNR)上具有更好的性能,而且在真实模糊图像上具有更好的视觉效果。

  • 图  1  网络结构

    图  2  多尺度扩张稠密块

    图  3  特征融合块

    图  4  各个算法在GoPro测试集上的恢复结果对比

    图  5  文献[7]与本文算法在DVD数据集和真实数据集上的恢复结果对比

    表  1  各算法在GoPro测试数据集上的定量评估

    评价指标文献[2]文献[1]文献[5]文献[4]文献[6]文献[7]本文
    PSNR24.6425.1028.7029.0829.5530.2631.39
    SSIM0.8420.8900.9580.9140.9340.9340.952
    下载: 导出CSV

    表  2  各算法在GoPro测试数据集上的运行时间(s)

    评价指标文献[4]文献[6]文献[7]本文
    时间2.160.140.640.23
    下载: 导出CSV

    表  3  文献[7]与本文算法在DVD测试数据集上的定量评估

    评价指标文献[7]本文
    PSNR29.3429.97
    SSIM0.9140.921
    下载: 导出CSV

    表  4  各基准模型在GoPro测试集上的定量结果

    模型W-BW-C3W-MSW-FFW-SDR本文
    多尺度××××
    特征融合××××
    空间域图像重构××××
    嵌入卷积×××××
    PSNR30.9831.0231.1031.0931.1331.39
    SSIM0.9490.9490.9500.9500.9500.952
    下载: 导出CSV

    表  5  两种训练方法在GoPro测试集上的定量对比

    训练方法整体训练模块化训练
    PSNR31.0531.39
    SSIM0.9490.952
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-11-27
  • 修回日期:  2020-10-29
  • 网络出版日期:  2020-11-25
  • 刊出日期:  2021-01-15

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