BW2 = imfill(BW)
作用填充二值图像BW中的空洞
clear all; clc; close all;
img = imread('test1.png');
if ndims(img)==3
img = rgb2gray(img);
end
img_bw = im2bw(img);
img_fill = imfill(img_bw, 'holes');
figure;
subplot(1,2,1),imshow(img_bw), title('有空洞的图像');
subplot(1,2,2),imshow(img_fill), title('孔洞被填充的图像');
