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rangecoder's Introduction

Installation

pip install range-coder

Example

from range_coder import RangeEncoder, RangeDecoder, prob_to_cum_freq

data = [2, 0, 1, 0, 0, 0, 1, 2, 2]
prob = [0.5, 0.2, 0.3]

# convert probabilities to cumulative integer frequency table
cumFreq = prob_to_cum_freq(prob, resolution=128)

# encode data
encoder = RangeEncoder(filepath)
encoder.encode(data, cumFreq)
encoder.close()

# decode data
decoder = RangeDecoder(filepath)
dataRec = decoder.decode(len(data), cumFreq)
decoder.close()

rangecoder's People

Contributors

lucastheis avatar kazuho avatar

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