利用地面靶标的超分辨率重建图像分辨率评价Resolution evaluation of super-resolution reconstructed image by using ground targets
卜丽静,张铭娟,陈方惠,许峥辉,赵晓宇
摘要(Abstract):
针对超分辨率重建后图像分辨率指标计算困难的问题,该文提出一种利用地面靶标的重建图像分辨率计算方法。依据靶标原理和分辨率测量需求设计出改进的线阵和辐射状地面靶标;实地拍摄不同分辨率的靶标图像,建立真实分辨率图像库;采用卷积神经网络方法对拍摄图像进行超分辨率重建,并利用靶标计算重建后图像的分辨率,并与MSE、RMSE、PSNR等指标进行对比,进一步验证本文方法的可行性。通过实验可以得出,线阵与辐射状靶标对图像分辨率的评价结果与主观评价结果一致。实验证明,该方法能够计算出超分辨率重建后图像分辨率值,研究成果具有实际应用价值。
关键词(KeyWords): 靶标;超分辨率重建;线阵;辐射状
基金项目(Foundation): 国家自然科学基金青年科学基金项目(41801294);; 武汉大学测绘遥感信息工程国家重点实验室珞珈一号特别开放研究基金项目(18T07);; 辽宁省大学生创新训练项目
作者(Author): 卜丽静,张铭娟,陈方惠,许峥辉,赵晓宇
DOI: 10.16251/j.cnki.1009-2307.2019.12.016
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