Find the bright parts

NumPy · from Capstone: edit a photo with nothing but NumPy

3-D arrayschannel axisslicingbroadcastingnp.whereastypeclip

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Exercise 7

Find the bright parts. Return a uint8 array, same shape as the grayscale image, that is 255 where the grayscale value is above 120 and 0 everywhere else.

your answer
stuck? the lesson behind it
Capstone: edit a photo with nothing but NumPy
Every idea from the track, applied to something you can see.