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PBM
Portable Bitmap
Portable Bitmap (PBM) is a lowest common denominator monochrome file format created by Jef Poskanzer in the 1980s. It is a plain text format that uses 0s and 1s to represent image data.
Main usage
PBM is used for storing monochrome images, such as line drawings, black and white images, and simple logos.
- Monochrome
- Plain text format
- Uses 0s and 1s to represent image data
Main features
HRZ
Horizonal Run-Length Encoding
Horizonal Run-Length Encoding (HRZ) is a type of image compression algorithm used to reduce the size of digital images.
Main usage
HRZ is commonly used for storing and transmitting medical images, satellite images, and other large images.
- Lossless compression
- High compression ratio
- Fast encoding and decoding