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. Author manuscript; available in PMC: 2015 Jul 9.
Published in final edited form as: Nucl Instrum Methods Phys Res A. 2014 Jun 11;767:146–152. doi: 10.1016/j.nima.2014.05.070

Fig. 2.

Fig. 2

iQID frame parsing algorithm: (a) raw CCD camera frame where the magnified region shows three alpha particles, (b) median-filtered image with noisy pixels removed, (c) filtered image with individual particles identified using a connected components labeling algorithm [10,11], and (d) the estimated 2D interaction position. The position estimate, time stamp, summed pixel values, and all associated event pixels are concatenated and written to disk as a listmode event entry.