printsegs.m

基于matlab写的对人体的分割程序

function printBlob(im,segs)
%printBlob(im,segs)


cla;
imagesc(im);
if isempty(segs),
    drawnow;
    return;
end

%imagesc(im);
hold on;

%Figure out the corners of our segments
c1 = [segs.x segs.y] - [segs.u segs.v].*repmat(segs.len,1,2) - [segs.v -segs.u].*repmat(segs.w,1,2);
c2 = [segs.x segs.y] - [segs.u segs.v].*repmat(segs.len,1,2) + [segs.v -segs.u].*repmat(segs.w,1,2);
c3 = [segs.x segs.y] + [segs.u segs.v].*repmat(segs.len,1,2) + [segs.v -segs.u].*repmat(segs.w,1,2);
c4 = [segs.x segs.y] + [segs.u segs.v].*repmat(segs.len,1,2) - [segs.v -segs.u].*repmat(segs.w,1,2);

pts = cat(3,c1,c2,c3,c4,c1);
Xpts = squeeze(pts(:,1,:))';
Ypts = squeeze(pts(:,2,:))';

line(Xpts,Ypts,'color','r','linewidth',3);
drawnow;
hold off;