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Showing Revision 2 created 05/24/2016 by Udacity Robot.

  1. And this is a very tricky question. The answer is the second one on the left over here.
  2. And the reason is we can correspond black pixels just like this, assuming that both of these red pixels are subject to occlusion.
  3. So the penalty is 20 for two occluded pixels.
  4. Now I should remark, in the initial version of this course, I got this wrong as your instructor,
  5. and I checkmarked this box over here, stipulating that a bad match would be better,
  6. but then the penalty is 40 for two bad matches, the R and the R over here.
  7. This is clearly the wrong answer, and this is the correct answer.