Extract metrics from dinglehopper JSON exports

dinglehopper_extract.py

import glob
import json


FIELDS = ["gt", "ocr", "cer", "wer", "n_characters", "n_words"]
FILES = glob.glob("*.json")

print("file;" + ";".join(FIELDS))

for f in FILES:
    print(f, end="")
    j = json.load(open(f))
    for field in FIELDS:
        value = j[field]
        print(";" + str(value), end="")
    print()