add the Chan-Vese Segmentation for Gray#84

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JKay0327 wants to merge 6 commits intoJuliaImages:masterfrom

JKay0327:JKay/cv

Commits on Sep 16, 2021

add the Chan-Vese Segmentation for Gray
JKay0327
committed

Commits on Sep 20, 2021

Commits on Sep 23, 2021

generic implementation for N dims
JKay0327
committed

Commits on Sep 24, 2021

make the chan_vese function available for 3D image
JKay0327
committed

Commits on Sep 28, 2021

make normalize and init level set be optimal, and some small modifications
JKay0327
committed