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An improved image processing method for particle characterization by shadowgraphy

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Academic year: 2021

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Figure

Figure 1. Particle detection and segmentation: (a) general routine, (b) Optional Mexican hat filter to be used instead of global  threshold
Figure 2. Method to detect and correct overlapped particles
Figure 5.  (a) Shadow image of a transparent dot target, with three groups of dots (62.5 μm, 125 μm and 250 μm)
Figure 6. Diameter histogram of transparent dot target shadow image provided by shadow image processing
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