OCR functions

Get OCR confidences associated with provided input

Args:
    ibocr (IBOCRRecord): The INPUT_IBOCR_RECORD to get OCR Confidence of
    skip_missing_confidence_scores (bool): if true, don't raise an error if
      no word/char-level confidence scores are found for a particular word

Returns:
    Returns the average confidence associated with the input. Confidence is reported
    as a percentage (70 means 70%)

Examples:
    get_ocr_confidence(INPUT_IBOCR_RECORD) -> 70.2
    get_ocr_confidence(INPUT_IBOCR_RECORD, skip_missing_confidence_scores=true) -> 70.2

Returns whether or not the record was generated using ocr.

Args:
    ibocr (IBOCRRecord): The IBOCRRecord itself

Returns:
    Whether the record was generated using ocr.

Examples:
    is_ocr_required(INPUT_IBOCR_RECORD) -> True