Detection and Quantification of Fluorescent Cell Clusters in Cryo-Imaging
Author(s) -
Grant J. Steyer,
Feng Dong,
Lehar Kanodia,
Debashish Roy,
Marc S. Penn,
David L. Wilson
Publication year - 2012
Publication title -
international journal of biomedical imaging
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.626
H-Index - 41
eISSN - 1687-4196
pISSN - 1687-4188
DOI - 10.1155/2012/698413
Subject(s) - imaging phantom , homing (biology) , a priori and a posteriori , fluorescence , computer science , biomedical engineering , biology , medicine , nuclear medicine , physics , optics , ecology , philosophy , epistemology
We developed and evaluated an algorithm for enumerating fluorescently labeled cells (e.g., stem and cancer cells) in mouse-sized, microscopic-resolution, cryo-image volumes. Fluorescent cell clusters were detected, segmented, and then fit with a model which incorporated a priori information about cell size, shape, and intensity. The robust algorithm performed well in phantom and tissue imaging tests, including accurate (<2% error) counting of cells in mouse. Preliminary experiments demonstrate that cryo-imaging and software can uniquely analyze delivery, homing to an organ and tissue distribution of stem cell therapeutics.
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