Matlab 连通分量处理， 二维和三维 (Matlab, Connected Component Process, 2D&3D)

function Connect_Elimi = Connection_Judge_3D(Binary_Img, reject_T)
Connect_Elimi = Binary_Img;
% find components
CC = bwconncomp(Binary_Img);
% component number
C_number = CC.NumObjects;
% pixel number
numPixels = cellfun(@numel, CC.PixelIdxList);
totalPixels_N = sum(numPixels);
% remove minor components
for k = 1:C_number
cPixel_N = length( CC.PixelIdxList{k} );
ratio = cPixel_N / totalPixels_N;
if ratio  < reject_T
Connect_Elimi(CC.PixelIdxList{k}) = 0;
end
end