c++ - Extract one object from set of objects -


i want extract 1 leaf bunch of leaves detect features using opencv (c++). first tried find edges of image , extract 1 object. see question here., seems way not going work. want extract 1 leaf image taken in real environment of plant (see following example image example. image going process not known user has take image , upload system)

enter image description here

as example consider want cut off leaf marked red line. can proceed identify features of leaf. can 1 please suggest step step method this. i'm using opencv , c++ language.

thank in advance.


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