Can `tesseract-ocr` put the result to STDOUT?
The solution is: tesseract input.jpg stdout But you need at least version 3.03
tesseract
Where are the Tesseract API docs?
The latest documentation is now available here and here.
Tesseract and tiff format – spp not in set {1,3}
It probably means your TIFF image has an alpha channel and therefore the underlying Leptonica library used by Tesseract doesn’t support it. If you’re using Imagemagick then be aware that operations such as -draw can cause alpha channels to be added. If you’re using convert in your workflow and want to remove the channel again … Read more