Discover the world with our lifehacks

How do you use a gImageReader?

How do you use a gImageReader?

To use gImageReader, select the PDF or image you want to extract the text from and click “Recognize all” for the whole page or use your mouse to draw a selection and then click “Recognize selection” to extract only a part of the document.

How do I install Tesseract language?

To install other languages, download the respective language pack ( . traineddata file) from and place it in C:\\Program Files\\Tesseract-OCR\\tessdata (or wherever Tesseract OCR is installed).

What is gImageReader?

gImageReader is a simple Gtk/Qt front-end to tesseract. Features include: – Import PDF documents and images from disk, scanning devices, clipboard and screenshots. – Process multiple images and documents in one go. – Manual or automatic recognition area definition.

How do you make a Tesseract Traineddata?

Overview of Training Process

  1. Prepare training text.
  2. Render text to image + box file.
  3. Make unicharset file.
  4. Make a starter traineddata from the unicharset and optional dictionary data.
  5. Run tesseract to process image + box file to make training data set.
  6. Run training on training data set.
  7. Combine data files.

Can Tesseract read scanned PDF?

There are many applications to what OCR can do in term of document intelligence. Using pytesseract, one can extract almost all the data irrespective of the format of the documents (whether its a scanned document or a pdf or a simple jpeg image).

Can Tesseract read PDF?

If text isn’t already embedded in the PDF, then you’ll need to use OCR to extract the text. Tesseract is an excellent open-source engine for OCR. But it can’t read PDFs on its own.

Does Tesseract support Chinese?

Tesseract OCR iOS Support English and Chinese language, other language trained data can be downloaded from this link :, just add the trained data files to the tessdata folder will be fine.

What languages does Tesseract support?

The Tesseract OCR engine supports multiple languages. To detect characters from a specific language, the language needs to be specified while creating the OCR engine itself. English, German, Spanish, French and Italian languages come embedded with the action so they do not require additional parameters.

Can Tesseract be trained?

Luckily, you can train your Tesseract so it can read your font easily.

How do you train tess4j?

Can Tesseract read JPG?

File Input Formats Tesseract will only take image files for input. These include: TIFF (preferred) JPG.