答案 0 :(得分:20)
我建议采用以下方法:
代码:
%stage 1: skin detection - Adrian Rosebrock solution
im = imread(<path to input image>);
hsb = rgb2hsv(im)*255;
skinMask = hsb(:,:,1) > 0 & hsb(:,:,1) < 20;
skinMask = skinMask & (hsb(:,:,2) > 48 & hsb(:,:,2) < 255);
skinMask = skinMask & (hsb(:,:,3) > 80 & hsb(:,:,3) < 255);
skinMask = imclose(skinMask,strel('disk',6));
%stage 2: calculate top, left and right centroid from the different connected
%components of the skin
stats = regionprops(skinMask,'centroid');
topCentroid = stats(1).Centroid;
rightCentroid = stats(1).Centroid;
leftCentroid = stats(1).Centroid;
for x = 1 : length(stats)
centroid = stats(x).Centroid;
if topCentroid(2)>centroid(2)
topCentroid = centroid;
elseif centroid(1)<leftCentroid(1)
leftCentroid = centroid;
elseif centroid(1)>rightCentroid(1)
rightCentroid = centroid;
end
end
%first seed - the average of the most left and right centroids.
centralSeed = int16((rightCentroid+leftCentroid)/2);
%second seed - a pixel which is right below the face centroid.
faceSeed = int16(topCentroid);
faceSeed(2) = faceSeed(2)+40;
%stage 3: std filter
varIm = stdfilt(rgb2gray(im));
%stage 4 - region growing on varIm using faceSeed and centralSeed
res1=regiongrowing(varIm,centralSeed(2),centralSeed(1),8);
res2=regiongrowing(varIm,faceSeed(2),faceSeed(1),8);
res = res1|res2;
%noise reduction
res = imclose(res,strel('disk',3));
res = imopen(res,strel('disk',2));
第1阶段(皮肤检测)后的结果:
最终结果:
评论: