OCR: Optical Character Recognition with tesseract
In imagerExtra: Extra Image Processing Library Based on 'imager'

Description Usage Arguments Author(s) Examples

OCR and OCR_data are wrappers for ocr and ocr_data of tesseract package. You need to install tesseract package to use these functions.

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OCR(imorpx, engine = tesseract::tesseract("eng"), HOCR = FALSE)

OCR_data(imorpx, engine = tesseract::tesseract("eng"))

`imorpx`	a grayscale image of class cimg or a pixel set
`engine`	a tesseract engine. See the reference manual of tesseract for detail.
`HOCR`	if TRUE return results as HOCR xml instead of plain text

Shota Ochi

hello <- DenoiseDCT(papers, 0.01) %>% ThresholdAdaptive(., 0.1, range = c(0,1))
if (requireNamespace("tesseract", quietly = TRUE))
{
  OCR(hello) %>% cat
  OCR_data(hello)
}