I am developing an application to read the letters and numbers from an image using opencv in c++. I first changed the given colour image and colour template to binary image, the
You can also look at EAST: Efficient Scene Text Detector - https://www.learnopencv.com/deep-learning-based-text-detection-using-opencv-c-python/
Under this link, you have examples with C++ and Python. I used this code to detect numbers of buses (after detecting that given object is a bus).