2017
DOI: 10.1109/tmi.2016.2640859
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Network Flow Integer Programming to Track Elliptical Cells in Time-Lapse Sequences

Abstract: Abstract-We propose a novel approach to automatically tracking elliptical cell populations in time-lapse image sequences. Given an initial segmentation, we account for partial occlusions and overlaps by generating an over-complete set of competing detection hypotheses. To this end, we fit ellipses to portions of the initial regions and build a hierarchy of ellipses, which are then treated as cell candidates. We then select temporally consistent ones by solving to optimality an integer program with only one typ… Show more

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Cited by 60 publications
(30 citation statements)
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“…These can be simple pixel/voxel or average region intensities, or more complex local image descriptors of shapes or textures; (iii) Finally, we distinguish the segmentation method itself that implements the principle using the features . The methods range from simple thresholding 9 , 10 , hysteresis thresholding 11 , edge detection 12 , or shape matching 13 , 14 , to more sophisticated region growing 15 17 , machine learning 18 , 19 , or energy minimization 20 26 approaches.…”
Section: Introductionmentioning
confidence: 99%
“…These can be simple pixel/voxel or average region intensities, or more complex local image descriptors of shapes or textures; (iii) Finally, we distinguish the segmentation method itself that implements the principle using the features . The methods range from simple thresholding 9 , 10 , hysteresis thresholding 11 , edge detection 12 , or shape matching 13 , 14 , to more sophisticated region growing 15 17 , machine learning 18 , 19 , or energy minimization 20 26 approaches.…”
Section: Introductionmentioning
confidence: 99%
“…In Segmentation, EllipTrack approximates the shapes of cell nuclei as ellipses and segments cells by applying an ellipse-fitting algorithm to the nuclear contours (Zafari et al, 2015). This method shows improved performance to separate overlapping nuclei and has been implemented in other cell trackers (Türetken et al, 2016) (Figure S1B). In Track Linking, EllipTrack first constructs cell lineages with the Magnusson global track-linking algorithm (Magnusson et al, 2015), and then executes our local track-correction module to correct tracking mistakes (detailed below).…”
Section: The Elliptrack Pipelinementioning
confidence: 99%
“…Other researcher have attempted to address the MOT problem of initialisation in a variety of ways. In [15], Türetken et al proposed a way of tracking elliptical cell populations in videos by using image segmentation and elliptical fitting to find cell candidates. They create a hierarchy of these candidates and use network flow integer programming to select the most temporally consistent cell candidates.…”
Section: Related Workmentioning
confidence: 99%