Abstract
遥感影像的获取往往受到模糊和噪声的共同影响,使得遥感影像的降质难以归到某一单一降质方式,从而给遥感影像的评价带来困难。在遥感影像小波域统计特性,即子带系数均值呈近似线性关系的基础上,通过对噪声、模糊对影像此线性关系的影响方式及破坏程度的定量分析,来判定影像的噪声和模糊强度,最后,利用二者的加权和作为遥感影像的最终质量评价指标。实验表明,与峰值信噪比指标PSNR相比,该文指标与结构相似性指标SSIM具有更好的一致性,对噪声影像、模糊影像以及同时存在噪声和模糊的遥感影像能够进行有效的、准确的评价。
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More From: Journal of Electronics & Information Technology
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