The purpose of edge detection in general is to significantly reduce the amount of data in an
image, while preserving the structural properties to be used for further image processing. Several
algorithms exists, and this worksheet focuses on a particular one developed by John F. Canny
(JFC) in 1986 [2]. Even though it is quite old, it has become one of the standard edge detection
methods and it is still used in research [3] [1].