Camera simulation engine enables efficient system optimization for super-resolution imaging

Stephanie Fullerton; Keith Bennett; Eiji Toda; Teruo Takahashi

doi:10.1117/12.906346

13 February 2012 Camera simulation engine enables efficient system optimization for super-resolution imaging

Stephanie Fullerton, Keith Bennett, Eiji Toda, Teruo Takahashi

Proceedings Volume 8228, Single Molecule Spectroscopy and Superresolution Imaging V; 822811 (2012) https://doi.org/10.1117/12.906346
Event: SPIE BiOS, 2012, San Francisco, California, United States

Abstract

Quantitative fluorescent imaging requires optimization of the complete optical system, from the sample to the detector. Such considerations are especially true for precision localization microscopy such as PALM and (d)STORM where the precision of the result is limited by the noise in both the optical and detection systems. Here, we present a Camera Simulation Engine (CSE) that allows comparison of imaging results from CCD, CMOS and EM-CCD cameras under various sample conditions and can accurately validate the quality of precision localization algorithms and camera performance. To achieve these results, the CSE incorporates the following parameters: 1) Sample conditions including optical intensity, wavelength, optical signal shot noise, and optical background shot noise; 2) Camera specifications including QE, pixel size, dark current, read noise, EM-CCD excess noise; 3) Camera operating conditions such as exposure, binning and gain. A key feature of the CSE is that, from a single image (either real or simulated "ideal") we generate a stack of statistically realistic images. We have used the CSE to validate experimental data showing that certain current scientific CMOS technology outperforms EM-CCD in most super-resolution scenarios. Our results support using the CSE to efficiently and methodically select cameras for quantitative imaging applications. Furthermore, the CSE can be used to robustly compare and evaluate new algorithms for data analysis and image reconstruction. These uses of the CSE are particularly relevant to super-resolution precision localization microscopy and provide a faster, simpler and more cost effective means of system optimization, especially camera selection.

Citation Download Citation

Stephanie Fullerton, Keith Bennett, Eiji Toda, and Teruo Takahashi "Camera simulation engine enables efficient system optimization for super-resolution imaging", Proc. SPIE 8228, Single Molecule Spectroscopy and Superresolution Imaging V, 822811 (13 February 2012); https://doi.org/10.1117/12.906346

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