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lossy

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(algorithm)lossy - A term describing a data compression algorithm which actually reduces the amount of information in the data, rather than just the number of bits used to represent that information. The lost information is usually removed because it is subjectively less important to the quality of the data (usually an image or sound) or because it can be recovered reasonably by interpolation from the remaining data.

MPEG and JPEG are examples of lossy compression techniques.

Opposite: lossless.
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In lossy aggregation many data packets are passed through aggregation function that generates a single packet which has no information about the original data.
An adaptive data aggregation algorithm in wireless sensor network ... by Padmanabh, Kumar; Vuppala, Sunil Kumar / Wireless Sensor Network (WSN)
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
The researches on hyperspectral image compression schemes can be generally classified into lossless and lossy techniques [1].
Lossy-to-lossless compression of hyperspectral image using the 3D set ... by Hou, Ying / Journal of Software Engineering and Applications (JSEA)
 
 
 
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