Online Quality Effects

Quality

Reduce Noise
Reduce noise by look at it's neightbours

Despeckle
Remove noise using a 'salt and peper' algorithm

Remove Dust and Noise
Remove dust and noise by changing the color to the 3x3 median value

Sharpen
Shapen the image

Gaussian Sharp
Sharpen the image by subtracting the Gaussian blur of the image

Add Noise
Add noise to the image

Posterize
Posterize the image

Reduce Colors
Reduce the number of colors

Diffusion
Halftone an image

Dither
Dithering of the image

Anti Aliasing
Smooth the border and lines of the image.