proj_301.m- This is a wrapper function to set up video acquisition and collect frames from the camera.
detectcolor.m- This function checks for presence of the LED.
coord.m- This function finds the position of the LED in each frame, computes its velocity and hit-point.
drumdet.m- This function determines which drum was hit.
drumdisp.m- It produces the sound and displays the image corresponding to the drum that was hit.








