Equalizes the histogram of the image, in most cases this enhances the contrast.
Enhances the contrast of the image.
Applies gamma-correction on the image making it brighter or darker.
Suppresses the noise on the image by median filtering. Can also be used to create cartoon-like images.
Suppresses the noise on the image by median filtering, lets the user keep more details. Can also be used to create cartoon-like images.
Blurs the image by the given radius.
Sharpens the image by the given strength.
Provides color-filters, for example grayscale, sepia tone and polaroid ones.
Transforms the image to different shades of a given color.
Transforms the image to different shades of two given colors.
The classic charcoal effect suggested especially for landscapes.
The classic charcoal effect using the colors of the image, suggested especially for landscapes.
Detects the edges of the image.
Detects the edges of the image and creates a glowing effect around the stronger ones.
Generates an image shaded by small dots.
Emulates an old TV screen by using small red, green and blue blocks.
Increases the pixels of the image.
Covers the image by colored hexagons creating a mosaic-like picture.
Covers the image by colored round objects as it was built from small stones.
Classic halftone effect which shades by monocolor points.
Imitates the classic halftone print technology using the colors of the image.
Imitates the classic CMYK halftone print technology.
Shades the darker regions of the image by small dots.
Imitates a printed image by using small dots.
A simple imitation of a painting.
An advanced effect with many controllable parameters imitating a van Gogh like painting.