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pdf_ocr

OCR text extraction

Description

Perform OCR text extraction. This requires you have the tesseract package.

Usage

pdf_ocr_text(
  pdf,
  pages = NULL,
  opw = "",
  upw = "",
  language = "eng",
  dpi = 600
)

pdf_ocr_data(
  pdf,
  pages = NULL,
  opw = "",
  upw = "",
  language = "eng",
  dpi = 600
)

Arguments

pdf

file path or raw vector with pdf data
pages

which pages of the pdf file to extract
opw

string with owner password to open pdf
upw

string with user password to open pdf
language

passed to tesseract to specify the languge of the engine.
dpi

resolution to render image that is passed to tesseract::ocr.

See Also

Other pdftools: pdftools, qpdf, rendering

pdftools

Text Extraction, Rendering and Converting of PDF Documents

v3.0.1
MIT + file LICENSE
Authors
Jeroen Ooms [aut, cre] (<https://orcid.org/0000-0002-4035-0289>)
Initial release

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