Image Text OCR — ocr • magick

Extract text from an image using the tesseract package.

image_ocr(image, language = "eng", HOCR = FALSE, ...)

image_ocr_data(image, language = "eng", ...)

Arguments

image: magick image object returned by image_read() or image_graph()
language: passed to tesseract. To install additional languages see instructions in tesseract_download().
HOCR: if TRUE return results as HOCR xml instead of plain text
...: additional parameters passed to tesseract

Details

To use this function you need to tesseract first:

  install.packages("tesseract")

Best results are obtained if you set the correct language in tesseract. To install additional languages see instructions in tesseract_download().

See also

Other image: _index_, analysis, animation, attributes(), color, composite, defines, device, edges, editing, effects(), fx, geometry, morphology, options(), painting, segmentation, transform(), video

Examples

# \donttest{
if(require("tesseract")){
img <- image_read("http://jeroen.github.io/images/testocr.png")
image_ocr(img)
image_ocr_data(img)
}
#> Loading required package: tesseract
#> Warning: there is no package called ‘tesseract’
# }