7-segment Training Tesseract
Why Stack Overflow recommends it
Stack Overflow users link it when answering how to create box files and train Tesseract on custom fonts or symbols, as a hands-on companion to jTessBoxEditor.
Recommended by 3 people across 3 different months, 2016 to 2019.
What it is
A short 2013 screencast by Serak Shiferaw showing how to train Tesseract OCR to recognize 7-segment display digits. It walks through using his serak-tesseract-trainer tool together with jTessBoxEditor to build training data.
What people said
Recommends bodoroman · 2016-02 · Stack Overflow · on “How to make a .box file for Tesseract OCR in C#?”
You should try JTessBoxEditor. It's quite easy to use. Here's the link: [LINK] Also this video can be helpful for further operations: [this video]
Recommends paru kumar · 2018-03 · Stack Overflow · on “how to add person with disability (PwD) symbol to tesseract dataset”
To train for new data in tesseract library you need the following packages (i) jTessBoxEditor (ii)notepad++ (iii) serak trainer jTessBoxEditor can be downloaded from here jTessBoxEditordownload link [LINK] which also requires runtime java environment. It accepts input as .txt format. You can use notepadd++ to enter the special characters. The procedures to enter the characters can be found from how to enter characters in notepad++ [LINK] For example, to enter PwD symbol you might press ALT key hold down then entered +9855 from numberpad, the symbol will appear in notepad++. After entering the characters save as .txt type. Open the jTessBoxEditor and click Tiff/Box Generator to feed the .txt
Recommends GhostDede · 2019-10 · Stack Overflow · on “Ocr train solution for tesseract”
You can use JTessBoxEditor. 1)Provide the image 2)Generate boxes 3)Train your tesseract with generated boxes. These are the steps. Also you can train using txt file. Here is tutorial about it. [this video]
Cites Margus · 2019-01 · Stack Overflow · on “Train tesseract to one specific font”
Please provide an example of your effort . My goal is to help you reach your goal, not to do the work for you. This is quite a common problem and lots of people have solved this, some more efficiently than others. You can use the tools that they have created. An example code: [LINK] video tutorial: [LINK] [LINK] There are multiple others, some of them do just typefaces and are optimized for that. It might be something that is more impactful for you. For example: [this video] [LINK] There are other examples, but most of them use image magic and other tools to improve the initial input data quality so that the OCR tool does its best. Personally, I wrote efficient c# GDI transformations to manipulat