PGM Compressor

Command line utility for de/compressing PGM image files using Huffman compression algorithm. Compression outputs 2 files; the encoded file (.enc) and the frequency tree (.frq).

Build

Make sure you have any C++ compiler then build /src/main.cpp.

Example using g++.

$ g++ src/main.cpp -o huff-pgm

Usage

# Compression
$ huff-pgm image.pgm

# Decompression
$ huff-pgm image.enc -t image.frq

There's a data.zip folder containing sample PGM image files for testing.