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lossy compression

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los´sy com`pres´sion
n.1.(Computers) The compression of binary data into a form which, when it is re-expanded, has most, but not all, of the original information. It is used primarily for compression of images and sounds, and is designed to provide a high degree of compression at the cost of a slight loss of data. It is expemplified by the JPEG compression standard. Images compressed by a lossy compression algorithm are re-expanded into an image close, but not identical to the original image; the difference between the original and the reconstructed image may be imperceptible to normal viewing by the eye.
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In lossy compression some of the information prior to the process is permanently lost while in lossless all the information prior to the compression can be retrieved.
How to Use Compression by Althaf Ahmed / Computers and Internet community
Lossy compression can achieve higher compression ratio by discarding some information.
Lossy-to-lossless compression of hyperspectral image using the 3D set ... by Hou, Ying / Journal of Software Engineering and Applications (JSEA)
The best example for lossy compression formats are the MP3 and MP4 / AAC formats where you have considerable loss in the quality compared to the original CDs.
Benefits of Downloading Music over Buying a CD by Bryan Halverson / Arts and entertainment industries community
 
 
 
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