Text detection in images

enter image description hereI am using below sample code for text detection in images (not handwritten) using coreml and vision.

https://github.com/DrNeuroSurg/OCRwithVisionAndCoreML-Part2

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  • In this they have used machine learning model which supports only uppercase and numbers. Where as in my project I want upper case, lower case , numbers and few of special characters (like : ,- ).

    I do not have any experience in python to do required changes and generate the required .mlmodel file using train data (which again I don’t have for my requirement)

    Below is the link where it is given how to create .mlmodel
    http://www.neurosurg.de/2017/10/18/part-3-train-your-own-model-using-keras/

    does anyone has such .mlmodel? or can somebody help me how to achieve this?

    this is the image in which I want to detect text