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• 0:24:22: Q1. which one is likely to be a corner? abc? ANS: a

• 0:30:10: Q2. Is b a horizontal or vertical edge? ANS: horizontal

• 0:40:06: Q3 If lambda1 , lambda2 >>0, it is likely to be a corneredgesmooth region? ANS: corner

• 0:54:15: Q4, if Lambda 1 >>0 and lambda 2>>0, is it flatcorneredge? ANS: corner