This section introduces some of the most common graphics and image file formats. Some of them are restricted to particular hardware/operating system platforms, others are cross-platform independent formats. While not all formats are cross-platform, there are conversion applications that will recognize and translate formats from other systems. Most image formats incorporate some variation of a compression technique due to the large storage size of image files. Compression techniques can be classified into either lossless or lossy. We will study various video and audio compression techniques in Chapter 4. The following brief format descriptions are the most commonly used formats. Follow some of the document links for more descriptions. Many graphical/imaging applications create their own file format particular to the systems they are executed upon. The following are a few popular system dependent formats: Source.


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