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Lossless compression challenge

Prize: highest compression rate on 5,000 minutes of driving video (~915MB) - Challenge ends July, 1st 2024 11:59pm AOE

Submit a single zip archive containing

  • a compressed version of the first two splits (5,000 minutes) of the commaVQ dataset
  • a python script named decompress.py to save the decompressed files into their original format in OUTPUT_DIR

Everything in this repository and in PyPI is assumed to be available (you can pip install in the decompression script), anything else should to be included in the archive.

To evalute your submission, we will run:

./compression/evaluate.sh path_to_submission.zip
Implementation Compression rate
pkourouklidis (arithmetic coding with GPT) 2.6
anonymous (zpaq) 2.3
rostislav (zpaq) 2.3
anonymous (zpaq) 2.2
anonymous (zpaq) 2.2
0x41head (zpaq) 2.2
tillinf (zpaq) 2.2
baseline (lzma) 1.6

Have fun!