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| Home > Publications database > SNSMIL, a real-time single molecule identification and localization algorithm for super-resolution fluorescence microscopy |
| Home > Publications database > SNSMIL, a real-time single molecule identification and localization algorithm for super-resolution fluorescence microscopy |
| Journal Article | FZJ-2015-04565 |
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2015
Nature Publishing Group
London
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Please use a persistent id in citations: http://hdl.handle.net/2128/8899 doi:10.1038/srep11073
Abstract: Single molecule localization based super-resolution fluorescence microscopy offers significantly higher spatial resolution than predicted by Abbe’s resolution limit for far field optical microscopy. Such super-resolution images are reconstructed from wide-field or total internal reflection single molecule fluorescence recordings. Discrimination between emission of single fluorescent molecules and background noise fluctuations remains a great challenge in current data analysis. Here we present a real-time, and robust single molecule identification and localization algorithm, SNSMIL (Shot Noise based Single Molecule Identification and Localization). This algorithm is based on the intrinsic nature of noise, i.e., its Poisson or shot noise characteristics and a new identification criterion, QSNSMIL, is defined. SNSMIL improves the identification accuracy of single fluorescent molecules in experimental or simulated datasets with high and inhomogeneous background. The implementation of SNSMIL relies on a graphics processing unit (GPU), making real-time analysis feasible as shown for real experimental and simulated datasets.
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