Text In Image Detection
I'd like to be able to detect and recognize text in an image (such as in the example shown below). I have tried many techniques such as Otsu thresholding, blob detection, filtering and general cleaning up of the image such as Gaussian Blur etc. I have then fed the pre-processed image into OCR software in order to recognize the text, however the results are unsatisfactory as the appearance of the text in my scenario can vary a lot.
What are the best techniques other than those listed can I use to detect and recognise text in images?
I'm currently using the OpenCV library.
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