Raw files contain the information required to produce a viewable image from the camera's sensor data. However, PNG was designed for transferring images on the Internet, not for professional-quality print graphics, and therefore does not support non-RGB color spaces such as CMYK. PNG supports palette-based images (with palettes of 24-bit RGB or 32-bit RGBA colors), grayscale images (with or without alpha channel), and full-color non-palette-based RGB images (with or without alpha channel). Raw files are named so because they are not yet processed and therefore are not ready to be printed or edited with a bitmap graphics editor. Members of the PNG Group designed it.Ī camera raw image file contains minimally processed data from the image sensor of either a digital camera, image scanner, or motion picture film scanner. However, PNG itself does not support animation at all.
PNG was created as an improved, non-patented replacement for Graphics Interchange Format (GIF) and is the most used lossless image compression format on the Internet. Portable Network Graphics (PNG) is a raster graphics file format that supports lossless data compression.
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