how i display cluster in an image

hiiiiii........ I create cluster of keypoints but how i display it on image .suppose i have cluster c then how i display c ????

Answer 1

[Image Analyst]

Have you tried the plot() command:

plot(x, y, 'ro');

or try to use the convex hull if you want the outline/envelope of a bunch of point?

hullIndexes = convhull(x,y);
plot(x(hullIndexes), y(hullIndexes), 'r-');

[Image Analyst]

Parul - are you still there? What's the current status of your problem?