![]() ![]() Use OCR (Optical Character Recognition, the process of scanning the text data, analyzing and processing image files, accessing text and layout information) tool to identify the text in the picture 3. Convert Pdf into a specific format images 2. Principle of copying the pdf files which can not be copied is: 1. This time we need unconventional means to achieve this seemingly impossible task. But some pdf files can not be copied because of the layout, encryption and other reasons. Sometimes, we need to copy a little text from a pdf file, especially when we are writing papers.
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