In some cases, text might be partially hidden—clipped by the edge of a container. Standard OCR struggles to identify characters that are cut in half. A clipped 'A' might look like a triangle or a meaningless smudge to a standard engine, leading to errors in data extraction.
When a web page is rasterized (converted to an image) for processing, standard OCR only "sees" what is currently rendered on the screen. If a paragraph is positioned 500 pixels to the left (hidden via CSS), it does not appear in the rasterized image. Therefore, the OCR engine returns a result of "no text found," despite the text being present in the source code. hidden horz ocr
Some enterprise PDFs have hidden horizontal text that defines field boundaries. By performing Hidden Horz OCR, automation scripts can locate where the invisible input zones are, allowing for robotic process automation (RPA) to fill forms that human eyes cannot see. In some cases, text might be partially hidden—clipped
Let me know the context, and I can give you a more precise breakdown! When a web page is rasterized (converted to