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PGM
Portable Gray Map
Portable Gray Map (PGM) is a file format for grayscale images. It is a lowest common denominator grayscale file format that most image processing programs can read and write.
Main usage
PGM is used for storing images such as X-ray images, medical images, and other scientific images.
- 8-bit grayscale
- 1-bit black and white
- 24-bit RGB color
Main features
TGA
Targa Image File
TGA (Targa) is a raster graphics file format created by Truevision Inc. It was the native format of TARGA and VISTA boards, which were the first graphic cards for IBM-compatible PCs to support Highcolor/truecolor display. It supports up to 32-bit color depth, allowing a single image to reference its own palette of up to 16.7 million colors.
Main usage
TGA is mainly used for high-color-depth images, such as digital photos, and is often used for textures in 3D applications.
- High color depth
- Supports up to 32-bit color depth
- Supports up to 16.7 million colors