www.gusucode.com > vision 源码程序 matlab案例代码 > vision/DrawaRedTriangleinaColorImageExample.m

    %% Draw a Red Triangle in a Color Image  

%% 
% Create a shape inserter object and read the image file. 
% 
%  shapeInserter = vision.ShapeInserter('Shape','Polygons','BorderColor','Custom',...
%  'CustomBorderColor', uint8([255 0 0]));
%  I = imread('autumn.tif');  

%% 
% Define vertices which will form a triangle: [x1 y1 x2 y2 x3 y3]. 
% 
%  polygon = int32([50 60 100 60 75 30]);   

%% 
% Draw the triangles and display the result. 
% 
%  J = shapeInserter(I, polygon);
%  imshow(J);