operators.ocr.tesseract_featurizer.TesseractFeaturizer

class operators.ocr.tesseract_featurizer.TesseractFeaturizer(pdf_url_field, output_field, ignore_errors=False)

Operator that takes in a PDF URL and outputs the hOCR text.

This operator uses the Tesseract OCR engine to convert PDFs to hOCR text. The hOCR text is then used by the HocrToRichDocParser to generate a RichDoc object for the PDF.

Parameters

Parameters

Name	Type	Default	Info
pdf_url_field	NewType(DataframeFieldType, str)		The name of the field that contains the URL of the PDF to be OCR’d.
output_field	str		The name of the field that will contain the hOCR text.
ignore_errors	bool	False	Whether we want to raise errors or not for bad PDF files.

Returns

Returns

output_field

Return type

Return type

The hOCR text