Arithmetic-algorithm

A python compression and decompression program based on Arithmetic Coding.

Introduction

Arithmetic coding is a way to encode a list of symbols into a single fraction f, where 0 ≤ f < 1.

#Type of data compress gray scale image.

How to use

put path of your image in sample.json file

Run main.py only

main will run automatically encode.py decode.py

You can choose data type and Block_size

Block_size=4 && float64 are recommended.

Watch your image