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-  Briefly describe the main stages of processing and intermediate
representations used in computational vision. [12 marks]
 
-  Explain why/how an operator based on a second derivative 
(e.g.,  ) may be used to detect edges in a grey level
image. [13 marks] ) may be used to detect edges in a grey level
image. [13 marks]
 
-  Given the following grey-level image (say, the triangle
picture), describe how the following smoothing operator may
be applied to obtain a smoothed image. You should obtain the
intensity values of at least two image points in the smoothed image.
 