DCT compression
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Dan Tobias (Talk | contribs) (Created page with "{{FormatInfo |formattype=electronic |subcat=Graphics }} '''DCT compression''' (Discrete cosine transform) is a compression technique used for images and audio. It is used in [...") |
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== Links == | == Links == | ||
* [[Wikipedia:Discrete cosine transform|Wikipedia article: Discrete cosine transform]] | * [[Wikipedia:Discrete cosine transform|Wikipedia article: Discrete cosine transform]] | ||
− | * [http://vision.arc.nasa.gov/publications/mathjournal94.pdf Image Compression Using the Discrete | + | * [http://vision.arc.nasa.gov/publications/mathjournal94.pdf Image Compression Using the Discrete Cosine Transform (NASA)] |
− | Cosine Transform (NASA)] | + | |
* [http://www.lokminglui.com/dct.pdf Image Compression and the Discrete Cosine Transform] | * [http://www.lokminglui.com/dct.pdf Image Compression and the Discrete Cosine Transform] | ||
* [http://www-cs-faculty.stanford.edu/~eroberts/courses/soco/projects/data-compression/lossy/jpeg/dct.htm Description of DCT as used in JPEG] | * [http://www-cs-faculty.stanford.edu/~eroberts/courses/soco/projects/data-compression/lossy/jpeg/dct.htm Description of DCT as used in JPEG] |
Revision as of 13:53, 5 January 2014
DCT compression (Discrete cosine transform) is a compression technique used for images and audio. It is used in JPEG and MP3, where it provides lossy compression (meaning that some detail is lost).