TGA, also called TARGA, or Truevision Advanced Raster Graphics Adapter, is a raster image file developed by Truevision Inc. It was the proprietary image format for some of the first IBM graphic cards like VISTA and TARGA boards. These graphic cards were mostly used for professional video editing and computer image synthesis. Therefore, TGA images usually have resolutions that match of PAL and NTSC video formats.
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BMP, also called a bitmap image, is a raster image file format developed by Microsoft Corporation for its Windows operating system. Typically, BMP is used to save bitmap digital images in a display device and can save two-dimensional photos in monochrome and color. Although most BMP files have significant file sizes because of lack of data compression, they can be compressed losslessly via algorithms like ZIP.
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