针对传统图像去雾算法容易受到先验知识制约以及颜色失真等问题,提出了一种结合注意力机制的多尺度特征融合图像去雾算法。该算法首先通过下采样操作得到多个尺度的特征图,然后在不同尺度的特征图之间采用跳跃连接的方式将编码器部分的...针对传统图像去雾算法容易受到先验知识制约以及颜色失真等问题,提出了一种结合注意力机制的多尺度特征融合图像去雾算法。该算法首先通过下采样操作得到多个尺度的特征图,然后在不同尺度的特征图之间采用跳跃连接的方式将编码器部分的特征图与解码器部分的特征图连接起来以进行特征融合。同时,在网络中加入一个由通道注意力子模块和像素注意力子模块组成的特征注意力模块来控制不同通道与像素的重要性,这种特征注意力模块让网络更加关注细节信息和重要特征,因此能取得更好的去雾效果。为了验证所提算法的有效性,首先在RESIDE数据集上将所提算法与5种流行的去雾算法进行定性与定量对比实验。实验结果表明,所提算法能比较完全地除雾,而且对图像色彩的保持度较好;同时,在两个评价指标峰值信噪比(Peak Signal to Noise Ratio,PSNR)和结构相似性(Structure Similarity,SSIM)上的平均值分别为28.83 dB和0.9575,相较于对比算法中性能位居第二的模型分别提高了2.23 dB和0.0172。然后在MSD数据集以及真实图像上将所提算法与5种对比算法进行了定性对比实验。实验结果进一步证明了所提算法的去雾性能以及色彩保持度良好。展开更多
Rational development and utilization of hilly land is an effective measure for raising land productivity, developing countryside economy, increasing peasants＇ income, conserving soil and water, and improving eco-envi...Rational development and utilization of hilly land is an effective measure for raising land productivity, developing countryside economy, increasing peasants＇ income, conserving soil and water, and improving eco-environment. The growth and root distribution of mulberry trees were studied. Various indexes including soil physical characters and hydrological status, water infiltration rate, water and soil loss and soil erosion amount were tested. The results indicated that mulberry trees had the effects of intercepting rainfall, improving soil infiltration rate, decreasing soil erosion amount, and conserving water and soil展开更多
文摘针对传统图像去雾算法容易受到先验知识制约以及颜色失真等问题,提出了一种结合注意力机制的多尺度特征融合图像去雾算法。该算法首先通过下采样操作得到多个尺度的特征图,然后在不同尺度的特征图之间采用跳跃连接的方式将编码器部分的特征图与解码器部分的特征图连接起来以进行特征融合。同时,在网络中加入一个由通道注意力子模块和像素注意力子模块组成的特征注意力模块来控制不同通道与像素的重要性,这种特征注意力模块让网络更加关注细节信息和重要特征,因此能取得更好的去雾效果。为了验证所提算法的有效性,首先在RESIDE数据集上将所提算法与5种流行的去雾算法进行定性与定量对比实验。实验结果表明,所提算法能比较完全地除雾,而且对图像色彩的保持度较好;同时,在两个评价指标峰值信噪比(Peak Signal to Noise Ratio,PSNR)和结构相似性(Structure Similarity,SSIM)上的平均值分别为28.83 dB和0.9575,相较于对比算法中性能位居第二的模型分别提高了2.23 dB和0.0172。然后在MSD数据集以及真实图像上将所提算法与5种对比算法进行了定性对比实验。实验结果进一步证明了所提算法的去雾性能以及色彩保持度良好。
基金Supported by Financial Innovation Ability Improving Engineering Project in Sichuan Province(2016TSCY-006)Technological Innovation Fund for Small and Medium Technology-based Enterprises of Nanchong City(15C0009)~~
文摘Rational development and utilization of hilly land is an effective measure for raising land productivity, developing countryside economy, increasing peasants＇ income, conserving soil and water, and improving eco-environment. The growth and root distribution of mulberry trees were studied. Various indexes including soil physical characters and hydrological status, water infiltration rate, water and soil loss and soil erosion amount were tested. The results indicated that mulberry trees had the effects of intercepting rainfall, improving soil infiltration rate, decreasing soil erosion amount, and conserving water and soil
