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Fig. 5 | BioMedical Engineering OnLine

Fig. 5

From: A collective tracking method for preliminary sperm analysis

Fig. 5

One-dimensional DFT of a single moving square. a The video frames of a moving square of width d at a constant speed v. b The differential footprint images of the square in different colors. c The color-coded DFT images of the square. d A turning point in the plot of the DFT area \(a_{1} \left( {t_{i} } \right)\) as a function of time \(t_{i}\)

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