If you need your JPG to be prepared for further text-based processing, use our free OCR service. It interprets JPG and turns printed characters into common textual data, ready to search, copy-paste and edit. Dilation makes the groups of text to be detected more accurately since it dilates (expands) a text block. Extract Text from JPG with Free Online JPG OCR JPG OCR Reader provides a complete image processing and text capture solution. After choosing the correct kernel, dilation is applied to the image with cv2.dilate function. A bigger kernel would make group larger blocks of texts together. cv2.getStructuringElement takes an extra size of the kernel parameter. Here, we use the rectangular structural element (cv2.MORPH_RECT).
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