No? The quiz is clearly some kind of edge detection filter. The light blue "grid" is the background to let you know there are transparent pixels in the expected output. It looks like something designed with intention to me. They just forgot to put the text description.
I don't think they made most of the quizzes either (see link in my other reply)
No? The quiz is clearly some kind of edge detection filter. The light blue "grid" is the background to let you know there are transparent pixels in the expected output. It looks like something designed with intention to me. They just forgot to put the text description.
Click on where it says DIFF; its not edge detection
More likely to be some kind of color space thresholding
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