library(Rtesseract)
f = system.file("images", "DifferentFonts.png", package = "Rtesseract")
pix = pixRead(f)
pixGetInputFormat(pix)
f = system.file("images", "DifferentFonts.tiff", package = "Rtesseract")
pix = pixRead(f)
pixGetInputFormat(pix)
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