结合高频感知的大气偏振模式生成方法
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1.合肥工业大学计算机与信息学院图像信息处理研究室;2.合肥工业大学计算机与信息学院

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国家自然科学基金(62171178)、国防科技创新特区项目(11040-41342022001)


A generative method for atmospheric polarization pattern based on high-frequency perception
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    摘要:

    大气偏振模式是一种稳定的自然属性,其在导航、探测等领域有广泛的应用,但由于自然环境以及周边建筑物遮挡的影响,在同一时刻获取的大气偏振信息是局部且不连续的,导致其在实际应用中受到影响。现有方法主要对大气偏振模式进行大范围图像的修复,对于高频信号的修复精度十分有限导致边缘模糊,针对该问题,本文采用软分割软合成的方法,避免了高频信号的丢失,基于此提出了结合高频感知的大气偏振模式生成方法,处理数据时保留缺失区域的高频偏振信息从而生成完整的大气偏振信息。实验结果证明,本方法能够很好地重构大气偏振模式中缺失的偏振信息,在云层干扰大于40%的实测重构实验中,本文方法的SSIM和PSNR得分相较于其他方法提高了26%和12%。

    Abstract:

    The atmospheric polarization mode is a stable natural attribute with a wide range of applications in navigation, detection, and other fields. However, due to the influence of natural environment and surrounding structures, the obtained atmospheric polarization information at the same time is local and discontinuous, which affects its practical application. Existing methods mainly focus on the restoration of atmospheric polarization patterns on a large scale, but they have limited accuracy in repairing high-frequency signals, resulting in edge blurring. To address this problem, this paper proposes a method combining soft segmentation and soft synthesis to avoid the loss of high-frequency signals. Based on this, a atmospheric polarization mode generation method incorporating high-frequency perception is proposed, which preserves the missing region’s high-frequency polarization information, thus generating complete atmospheric polarization information. Experimental results demonstrate that this method can effectively reconstruct the missing polarization information in the atmospheric polarization mode. In the reconstruction experiment with cloud interference exceeding 40%, the SSIM and PSNR scores of this method are improved by 26% and 12% respectively compared to other methods.

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  • 收稿日期:2023-10-20
  • 最后修改日期:2024-04-05
  • 录用日期:2024-04-11
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