image compression

What is image compression?

Image compression is the process of reducing image file size using various mathematical algorithms. Compression is usually expressed as a ratio (e.g., 10 : 1). A 10-megabyte (MB) file that is compressed at a ratio of 10 : 1 would have a final size of 1 MB. Generally, as compression ratios increase, file sizes decrease. However, a price is inevitably paid in decreased image fidelity.


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