pdf_ocr: OCR text extraction

In pdftools: Text Extraction, Rendering and Converting of PDF Documents

OCR text extraction

Description

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

Usage

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

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

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
dpi	resolution to render image that is passed to pdf_convert.
language	passed to tesseract to specify the languge of the engine.
options	passed to tesseract to specify OCR parameters

See Also

Other pdftools: pdftools, qpdf, rendering

pdftools documentation built on Sept. 30, 2024, 9:23 a.m.