android - Category for Receipt OCR -


i trying create receipt ocr app using tesseract. after recognition process, want determine category receipt belongs to, e.g food & drinks, transportation, phone bills etc. current approach is:

  1. create dictionary of categories alongside common stores.
  2. after recognition, use approximate string matching try , find store name inside dictionary , if exists, allocate receipt category.
  3. if not found, allocate receipt default category , wait user select 1 list. save pair in dictionary future.

the problem apart limitations of store category pairs, extremely slow if try use approximate string recognition each line dictionary. there way can improve process?


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