Whether you are running Optical Character Recognition (OCR) on a scanned historical document, using a Large Language Model (LLM) to summarize a contract, or translating a French PDF into English, you need a ruler to measure success. Enter (Bilingual Evaluation Understudy).
"The closer a machine's generated text is to a professional human's text, the better it is." bleu pdf
Here is how you calculate the BLEU score using Python's nltk library: Whether you are running Optical Character Recognition (OCR)