Questions tagged [tesseract]

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No output after noise removal means noise was absent?

While performing OCR with tesseract, after noise removal step, the output of pytesseract.image_to_string was empty, but as soon as I removed that step and ran again ...
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74 views

How to create a model to recognize matching label and ROI with OCR

I am trying to make a model in python using Tensorflow to process the Tesseract OCR to detecting and extracting particular ROI from Image. I want to recognize the particular fields and values from ...
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69 views

TesseractError: Error opening data file “tha.traindata” in Docker

I am trying to run code on docker. I have installed tesseract-ocr for all languages. The code is working fine for language "eng". But when I change the language to Thai and setting lang="tha" I am ...
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37 views

How to identify and extract text from table in a image ? Are there any machine learning model avaible for extracting text in a table?

How to identify and extract text from table in a image ? sample image shown below Are there any machine learning model available for identifying table and extracting text in a table ? i tried ...
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926 views

how to resolve this error in Tesseract : (2, 'Usage: pytesseract [-l lang] input_file') [closed]

pytesseract.pytesseract.tesseract_cmd = r'/usr/local/bin/pytesseract' img = Image.open("/content/drive/My Drive/abc.jpg") print(pytesseract.image_to_string(img)) ...
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14 views

Training data for Tesseract

I have to train my tesseract to detect different variations of a letter for example, u,û,ü,ù should all mean u. Is this possible and if yes how should I train it and how should the dataset be made ...
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42 views

Tesseract OCR: recognize old letter types

I want to extract text from images like the one below. Note that the letters are "old" German type of letters (from the 1830s in the case below). I use the following code: ...