www.gusucode.com > IPCV_Eval_Kit_R2019a_0ce6858工具箱matlab程序源码 > IPCV_Eval_Kit_R2019a_0ce6858/code/demo_files/I2_09_4_2_activecontourSegmentation.m
%% 摦揑椫妔傪梡偄偨僙僌儊儞僥乕僔儑儞 clc;close all;imtool close all;clear; %% 夋憸偺撉崬傒 G = imread('I2_09_4_2_nuclei.jpg'); imshow(G); %% 儅僗僋偺嶌惉乮弶婜僄僢僕乯 mask = zeros(size(G)); mask(25:end-25,25:end-25) = 1; imshow(mask);shg; %% 尰嵼偺儅僗僋偺椫妔傪昤夋 imshow(G); shg; hold on; b = bwboundaries(mask, 'noholes'); % 椫妔傪拪弌 plot(b{1}(:,2),b{1}(:,1),'r','LineWidth',3); hold off; %% 摦揑椫妔傪巊梡偟偨僙僌儊儞僥乕僔儑儞 % 憤寁400夞偺斀暅傪丄1僗僥僢僾10夞偢偮偵暘偗偰傾僯儊乕僔儑儞昞帵 stepsize=10; for k = 1:400/stepsize mask = activecontour(G, mask, stepsize); % 尰嵼偺儅僗僋偺椫妔傪昤夋 imshow(G); title(sprintf('Iteration %d',k*stepsize),'FontSize',16); b = bwboundaries(mask, 'noholes'); % 椫妔傪拪弌 hold on; for k=1:size(b) plot(b{k}(:,2),b{k}(:,1),'r','LineWidth',3); end hold off; drawnow; end %% 僀儊乕僕偺椞堟暘妱 傾僾儕働乕僔儑儞: imageSegmenter(G); %% Copyright 2013-2014 The MathWorks, Inc.