Theoretical solution: train a model on your handwriting. There should be plenty of easy (relatively) to use apps and frameworks for that. It will take time but

Theoretical solution: train a model on your handwriting. There should be plenty of easy (relatively) to use apps and frameworks for that. It will take time but you will have a pretty tailored solution. Also of course: first of all try to process the images so that they only are white and black (not greyscale, actual B/W pictures)