Application of direct tracking method for measuring electrospun nanofiber diameter
Ziabari, M., Mottaghitalab, V. and Haghi, A.K. 2009, Application of direct tracking method for measuring electrospun nanofiber diameter, Brazilian journal of chemical engineering, vol. 26, no. 1, pp. 53-62, doi: 10.1590/S0104-66322009000100006.
In this paper, direct tracking method as an image analysis based technique for measuringelectrospun nanofiber diameter has been presented and compared with distance transform method. Sampleswith known characteristics generated using a simulation scheme known as μ-randomness were employed toevaluate the accuracy of the method. Electrospun webs of polyvinyl alcohol (PVA) were also used to verifythe applicability of the method on real samples. Since direct tracking as well as distance transform requirebinary input images, micrographs of the electrospun webs obtained from Scanning Electron Microscopy(SEM) were first converted to black and white using local thresholding. Direct tracking resulted in moreaccurate estimations of fiber diameter for simulated images as well as electrospun webs suggesting theusefulness of the method for electrospun nanofiber diameter measurement.
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