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JPEG image compressionDescription
A demonstration of the JPEG image compression algorithm
and its typical artifacts.
The AbsSubFilter calculates the absolute value of
the pixel difference between its two input images.
Three variants of the original image are used as inputs
to the image difference calculation:
- the original image, encoded using the lossless PNG algorithm
- a JPEG image encoded with quality=75%
- a JPEG image encoded with quality=25%
(The JPEG images were created by the xv image processing
program on Linux. The JPEG quality settings in other image processing
programs may differ slightly.)
Run the applet | Run the editor (via Webstart)
Impressum | 24.11.06