Solution question 1
                                    Conditions d’achèvement
                                    
                        
                        function [ Nombre] = JeCompteEnVert( Image, Taille )
%UNTITLED Summary of this function goes here
%   Detailed explanation goes here
NbVert = 0;
Seuil = 10;
[Xnb,Ynb] =  size(Image);
for lig = 1 : Xnb
    for col = 1 : Ynb
        if (Image(lig,col) > Seuil)
            NbVert = NbVert+1;
            ImBleu(lig,col) = 255;
        end
    end
end
Nombre = round(NbVert/Taille);
end 
        
