Where do I find the value of TESSDATA_PREFIX? On Saturday, August 24, 2019 at 7:34:00 PM UTC+2, Clint William Theron wrote: > > I don't know where to find the TESSDATA_PREFIX value since I'm using > tesseract CDN on a http web server. What did you do? Did you create a > node.js app? I install tesseract in windows 10 and I replaced the > traineddata file in the tessdata directory and it worked. I'm looking to > build an online solution though. I got started and found out about the > custom traineddata idea from the following link: > > > https://ourcodeworld.com/articles/read/580/how-to-convert-images-to-text-with-pure-javascript-using-tesseract-js > > It's not necessary to use the CDN or even a html web page. The solution > should just work online and use my custom traineddata language > > On Saturday, August 24, 2019 at 7:13:01 PM UTC+2, shree wrote: >> >> I have not used tesseract CDN on a http web server in a html web page. >> >> The error says that the traineddata file cannot be found. You need to >> check the value of TESSDATA_PREFIX and put your custom traineddata there. >> >> On Sat, 24 Aug 2019, 22:28 Clint William Theron, <[email protected]> >> wrote: >> >>> The traineddata file is available in that location. I took a screenshot >>> of the current error: >>> >>> [image: Untitled.png] >>> I changed the name to custom.traineddata but it's not relevant to the >>> problem. I also changed the location of the file to see if that makes a >>> different but didn't: >>> >>> const worker = new Tesseract.TesseractWorker({ >>> langPath: 'https://iclips.co.za/images/tessdata/', >>> }); >>> >>> worker.recognize(cameraSensor2.toDataURL('image/png'), 'custom')... >>> >>> Do you see what I'm missing here? >>> Thanks already >>> On Saturday, August 24, 2019 at 4:44:12 PM UTC+2, shree wrote: >>>> >>>> Check that mycustom.traineddata is available in >>>> https://lottoticketscanner.iclips.co.za/assets/tesseract/tessdata/ >>>> >>>> On Sat, Aug 24, 2019 at 7:02 PM Clint William Theron < >>>> [email protected]> wrote: >>>> >>>>> Thanks for your answer. I have a different error though. I'm not sure >>>>> what you mean by tessdata folder. I'm using the tesseract CDN on a http >>>>> web >>>>> server in a html web page. The following images illustrates my current >>>>> problem: >>>>> >>>>> [image: Untitled.jpg] >>>>> >>>>> [image: Untitled.png] >>>>> >>>>> >>>>> The first image illustrates the type of server and directory structure >>>>> I'm using and the second image shows the error. What is the resolution? I >>>>> know I'm close now though, thanks to you. >>>>> >>>>> My current code looks like so: >>>>> >>>>> html >>>>> <script src=" >>>>> https://unpkg.com/[email protected]/dist/tesseract.min.js"; >>>>> ></script> >>>>> >>>>> js >>>>> const worker = new Tesseract.TesseractWorker({ >>>>> langPath: ' >>>>> https://lottoticketscanner.iclips.co.za/assets/tesseract/tessdata/', >>>>> }); >>>>> >>>>> >>>>> worker.recognize(cameraSensor2.toDataURL('image/png'), 'mycustom') >>>>> .progress(progress => console.log('progress', >>>>> progress)) >>>>> .then(result => console.log('result', result)) >>>>> .finally(() => worker.terminate()); >>>>> >>>>> Thank you. >>>>> >>>>> On Saturday, August 24, 2019 at 5:56:30 AM UTC+2, shree wrote: >>>>>> >>>>>> You can name your custom traineddata file with a different name eg. >>>>>> mycustom.traineddata, copy the file to your tessdata folder (referred by >>>>>> tessdata_prefix) and then use 'mycustom' instead of 'eng' in your >>>>>> program. >>>>>> >>>>>> On Sat, 24 Aug 2019, 09:13 Clint William Theron, < >>>>>> [email protected]> wrote: >>>>>> >>>>>>> Hi. I have a web-app and I'm using the Tesseract CDN like so: >>>>>>> >>>>>>> <script src=" >>>>>>> https://unpkg.com/[email protected]/dist/tesseract.min.js >>>>>>> "></script> >>>>>>> >>>>>>> >>>>>>> I then try to add the path to my own created traineddata language >>>>>>> like so: >>>>>>> >>>>>>> const worker = new TesseractWorker({ >>>>>>> langPath: ' >>>>>>> https://lottoticketscanner.iclips.co.za/assets/tesseract/langs-folder/ >>>>>>> ', >>>>>>> }); >>>>>>> >>>>>>> and finally I call the recognize method like so: >>>>>>> >>>>>>> worker.recognize(canvas.toDataURL('image/png'), 'eng') >>>>>>> .progress(progress => console.log('progress' >>>>>>> , progress)) >>>>>>> .then(result => console.log('result', result >>>>>>> .text)) >>>>>>> .finally(() => worker.terminate()); >>>>>>> >>>>>>> This doesn't seem to be using my language (that I created myself). I >>>>>>> get the same output as I do when I remove the langPath. I mean I can >>>>>>> cleary >>>>>>> see my language is not being used in the recognized process. I know >>>>>>> it's >>>>>>> not because I tested my language (traineddata) in windows desktop and I >>>>>>> get >>>>>>> the results that I actually want. What needs to change in my code so my >>>>>>> (custom) traineddata, and only mine, is being used? >>>>>>> >>>>>>> Thanks. >>>>>>> >>>>>>> -- >>>>>>> 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 [email protected]. >>>>>>> To view this discussion on the web visit >>>>>>> https://groups.google.com/d/msgid/tesseract-ocr/8a823afb-fde5-43aa-a643-2cf69462c2f6%40googlegroups.com >>>>>>> >>>>>>> <https://groups.google.com/d/msgid/tesseract-ocr/8a823afb-fde5-43aa-a643-2cf69462c2f6%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 [email protected]. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/tesseract-ocr/4d8dcf15-293c-4b3e-9d67-8b0ba8be9a27%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/tesseract-ocr/4d8dcf15-293c-4b3e-9d67-8b0ba8be9a27%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> >>>> >>>> -- >>>> >>>> ____________________________________________________________ >>>> भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com >>>> >>> -- >>> 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 [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/tesseract-ocr/75347274-7bbe-4f66-a313-7fb51ad9d253%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/tesseract-ocr/75347274-7bbe-4f66-a313-7fb51ad9d253%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >>
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