激光与光电子学进展, 2016, 53 (8): 081001, 网络出版: 2016-08-11   

基于空间高斯滤波的超分辨光学波动成像算法 下载: 761次

Super-Resolution Optical Fluctuation Imaging Algorithm Based on Spatial Gaussian Filter
作者单位
1 南京理工大学电子工程与光电技术学院, 江苏 南京 210049
2 中国科学院苏州生物医学工程技术研究所江苏省医用光学重点实验室, 江苏 苏州 215163
摘要
为了提高超分辨光学波动成像(SOFI)显微技术的实时性,提出了一种结合图像滤波的SOFI算法。对获取的多帧图像先进行滤波处理,再根据多帧图像中荧光粒子的时间自相关性进行SOFI算法处理,可快速得到高信噪比的超分辨图像。结果表明,对比不同滤波器,权衡去噪效果和图像分辨率,利用基于空间高斯滤波的SOFI算法可以在低信噪比的图像序列中快速得到信噪比较高的超分辨图像,计算速度提高2.3倍。
Abstract
In order to achieve real-time imaging with superresolution optical fluctuation imaging (SOFI), a novel SOFI algorithm combined with image filtering is proposed. Muti-frame images should be filtering processing, and the super-resolution images with high signal-noise ratio are obtained utilizing SOFI algorithm depending on temporal self correlations of fluorescent particles in muti-frame images. The result show that the SOFI algorithm based on spatial Gaussian filter can get a high signal-noise ratio super-resolution image from the low signal-noise ratio image sequences, and the calculating speed can be accelerated to 2.3 times, comparing different filters, weighing denoising effect and image resolution.
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李蕊, 屈惠明, 张运海, 姜杉. 基于空间高斯滤波的超分辨光学波动成像算法[J]. 激光与光电子学进展, 2016, 53(8): 081001. Li Rui, Qu Huiming, Zhang Yunhai, Jiang Shan. Super-Resolution Optical Fluctuation Imaging Algorithm Based on Spatial Gaussian Filter[J]. Laser & Optoelectronics Progress, 2016, 53(8): 081001.

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