Output
Teacher: You will be grading each
other’s tests
Students:
hems Ay
LA ad y Io a 7
9% gi 7
C7 2 Zs
Lol ye
fl
a [3
ak
serve the Soviet Union
Explanation
Greyscale is a compromise to help the light and dark texts both stand out. Filtering helps somewhat
Source
Original image:
Preprocessed image:
original image