News

The best example of transform compression is embodied in the popular JPEG standard of image encoding. JPEG is named after its origin, ... We have already discussed a simple method of lossy data ...
Lossy compression is never used for business data and text, which demand a perfect restoration (see lossless compression). See data compression , codec examples , JPEG , MPEG and MP3 .
Audio and video can be compressed to 5% of their original size using lossy compression, but the data loss is seldom detectable to the human eye or ear at this level. For example, a lossy image ...
There are two categories of data compression. The first reduces the size of a single file to save storage space and transmit faster. The second is for storage and transmission convenience. The ...
An example of when you would want lossless data compression, even if it means that you have to store more data, is when you’re compressing data that originates from a database.
Lossy data compression is used in applications where an acceptable amount of data loss is allowed in the compression algorithm. We see lossy data compression predominantly in the areas of imagery, ...
The first three are simple encoding techniques, called: run-length, Huffman, and delta encoding. The last two are elaborate procedures that have established themselves as industry standards: LZW and ...