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원본그림입니다.

1. Add Noise : 그림에 노이즈를 더해줍니다.

2. Despeckle : 색깔이 비슷한 부분은 더 비슷하게 만드는, 노이즈를 제거하는 필터라고 할 수 있습니다. 스캔받은 이미지의 잡티등을 제거할 때 쓰입니다.

3. Dust & Scratches : 노이즈를 제거하는 필터입니다.

4. Median : 노이즈를 제거하는 필터로, Radius값이 높을수록 회화적인 느낌이 납니다.

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