gusucode.com > 《MATLAB图像与视频处理实用案例详解》代码 > 《MATLAB图像与视频处理实用案例详解》代码/第 21 章 路面裂缝检测识别系统设计/Identify_Object.m
function bwn = Identify_Object(bw, MinArea, MinRate) if nargin < 3 MinRate = 3; end if nargin < 2 MinArea = 20; end [L, num] = bwlabel(bw); stats = regionprops(L, 'Area', 'MajorAxisLength', ... 'MinorAxisLength'); Ap = cat(1, stats.Area); Lp1 = cat(1, stats.MajorAxisLength); Lp2 = cat(1, stats.MinorAxisLength); Lp = Lp1./Lp2; for i = 1 : num if Ap(i) < MinArea bw(L == i) = 0; end end MinRate = max(Lp)*0.4; for i = 1 : num if Lp(i) < MinRate bw(L == i) = 0; end end bwn = bw;