finding distance of objects in different frames

Hello,

I have 10 frames and each frame with two objects in it, the centre of objects in each frame (binary image) calculated, please see the code:

for n=1:10      %n=number of frames

filename = strcat('C:\Users\A\Documents\MATLAB\frames\',srcFiles(n).name);

I= imread (filename);

bw=im2bw(I,.1);

.

.

centre=[centrex, centrey]; % x-y coordinates of centres of each object in bw

distance=sqrt((centrex2-centrex1)^2+(centrey2-centrey1)^2)

end

I want to find: if the ‘distance’ of two objects in a frame is 150 (for instance) do not calculate the ‘distance’ for other frames and save the ‘centre’, can you please help me. thank you

[Marry M]

I'm still waiting for your help please