Sum of squared differences SSD

How to use SSD to compare datapoints in 2 separate data sets i.e. to compare pixels in 2 images? Is this the best function to use for this purpose i.e. compared with Synsum?

Answer 1

[BhaTTa]

Please refer to this answer: https://www.mathworks.com/matlabcentral/answers/155573 if you still have any query feel free to comment in this thread.