Optical Character Recognition on Shunya OS¶
Instructions on How to use OCR on Shunya OS¶
OCR demo application allows user to recognize English characters in a image/video by selecting a particular region of that interest.
Hardware required: Any board which is supported by Shunya OS, USB Video Camera, PC
Pre-requisites for running the OCR Demo¶
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sudo apt-get update sudo apt install python3-dev python3-pip tesseract git pip3 install pytesseract
OpenCV on python3
Steps to perform the OCR Demo:¶
Clone this repository using git clone
$ git clone https://github.com/shunyaos/ocr_demo.git $ cd ocr_demo
Run the test_roi.py
$ python3 test_roi.py
Press ‘s’ and this will open a Roi selector window. Click, press and drag to select a region in which you want to detect text.
The text in the selected region should be clear and the background noise in the image should be less to get more accuracy.
You can retry the process by pressing ‘s’ or quit by pressing ‘q’ on the window