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. 2019 Aug 20;19(16):3630. doi: 10.3390/s19163630

Figure 5.

Figure 5

Pupil reconstruction stages when the corneal reflection is placed inside the pupil area and when it is located on the pupil edge: (a,d) eye pupil images after the binarization stage; (b,e) morphological reconstructions by dilation, filling the gaps due to corneal reflection and erosion; and (c,f) pupil contour detection.