2-06

• 0:16:33: Q1. why the color does not update? ANS: because the number is float and so the assumed range is 0 to 1

• 0:31:05: Q2 Did you write any GUI application before and which frameworks have you used? ANS:

• 0:57:16: Q3. Why onhorizontalSlidervalueChanged was not called? ANS: the declarator argument is not int

• 1:13:13: Q4. What should we do if we want to scale the intensity of the image? ANS: cvImg = self.scale * cvImg