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基于FastICA的电子显微镜图像去噪研究

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摘要 提出了一种新的图像去噪方法。该方法适用于电子显微镜图像拍摄的生物大分子的投影图像。通过分析显微镜图像的特点,在ICA算法的基础上,使用改进的Fast ICA对图像中的噪声实现盲源分离,达到对图像去噪的目的。实验结果表明,利用该方法能分离出组成图像的各个基图像,然后重组基图像,得到去噪以后的图像。分析实验结果发现,与Bayes Shrink、OWT_SURELER、SURE、BL-GSM方法相比,采用该方法获得的PSNR值分别提高了0.76%,2.33%,1.25%和2.21%,SSIM值分别提高了0.02,0.05,0.03和0.04.因此,该方法能有效提高显微镜图像的质量。
作者 陈纯玉
出处 《科技与创新》 2016年第14期11-12,共2页 Science and Technology & Innovation
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