(a) Vertical edge imaging under positive electric field. Inset: the helical structure is suppressed and FLC molecules rotate to the left side of the core parallel to the substrates. (b) Horizontal ...
The Canny edge detector is an edge detection operator that uses a multi-stage algorithm to detect a wide range of edges in images. It was developed by John F. Canny in 1986. Canny also produced a ...
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