Hi Guys, Many thanks for the replies. Digging around I've found instances of the image showing as white, showing as white with a transparent border top and left, and as black! There is something odd about the image!
Martin On Friday, 19 November 2021 at 08:11:46 UTC g...@hobbelt.com wrote: > (quick reply without having looked at your file) > > chances are, when different applications render an image with different > backgrounds, that the image is encoded as transparent. > Use imagemagick or other tools to postprocess your image to ensure any > alpha channel (transparency) is removed before feeding it to tesseract. > > > On Thu, Nov 18, 2021, 15:38 Martin Waller <ocga...@gmail.com> wrote: > >> Hi, >> >> I've recently posed a question on the GitHub forum: >> >> https://github.com/tesseract-ocr/tesseract/issues/3647 >> >> It concerns a tif image with a white background being turned into a PDF >> with a black background. I supplied the tif in question and was told that >> it shows up black on MacOS and the case closed seemingly without any >> attempt to try it on a PC. >> >> Is Tesseract support limited to the MacOS platform? >> >> Martin >> >> -- >> > You received this message because you are subscribed to the Google Groups >> "tesseract-ocr" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to tesseract-oc...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/tesseract-ocr/34ffe09b-0638-4b48-92ae-8e646d1a82cfn%40googlegroups.com >> >> <https://groups.google.com/d/msgid/tesseract-ocr/34ffe09b-0638-4b48-92ae-8e646d1a82cfn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To unsubscribe from this group and stop receiving emails from it, send an email to tesseract-ocr+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/ee0cf797-9665-4315-a66f-31fbbd810f2en%40googlegroups.com.
