lossy compression definition

lossy compression

Data-file reduction technique in which the compression algorithm causes loss of a certain percentage of original data (which may not be obvious to the user) during compression-decompression process. Commonly used in compression of music and photographs, it provides very high compression ratios but the decompressed file is not identical to the original file.

lossy compression is in the Data Management, Communications, & Networks and Internet & World Wide Web subjects.

lossy compression appears in the definitions of the following terms: Joint Photographic Experts Group (JPEG) Image format and Motion Pictures Experts Group (MPEG)

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