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It sometimes messes up, and seems to perform better on even fonts. Other features that are still in beta include actual text translation to and from languages such as Spanish, Russian, Chinese, Japanese, German and French. It is able to identify text of many colours on picture backgrounds as well as plain, it can read text at an orientation of up to 30 degrees from the horizontal, and it constantly watches cursor movement so that it can predict where you are going to mouse over and start processing text in advance.Ĭurrent features include selecting and copying text, and you can even erase the text from an image or rewrite it in a clearer font using the "Translate" option in the right-click menu. If this system isn't up to scratch, it falls back on Google's cloud-based text recognition software, Tesseract.Ī few other features make the extension user-friendly.
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In this way, it can build models of letters, words, text regions and paragraphs. Stroke Width Transform is used in conjunction with other algorithms, such as connected components analysis, which identifies individual letters Otsu thresholding, which detects word spacing and disjoint set forests, which identify lines of text. In a sense that's kind of like what a human can do: we can recognize that a sign bears written language without knowing what language it's written in, never mind what it means." "It runs an algorithm called the Stroke Width Transform, invented by Microsoft Research in 2008, which is capable of identifying regions of text in a language-agnostic manner. "The primary feature of Project Naptha is actually the text detection, rather than optical character recognition," Kwok wrote.
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#Text scanner for chrome pdf#
It uses something called optical character recognition (OCR) - that is, the kind of software that allows printed material to be scanned as text documents and PDF conversion - but that's not the key to how Project Naptha works. He started work on a project that would become Project Naptha - a Chrome extension that allows you to select and copy text on images. It wasn't about images - but it did give MIT student Kevin Kwok an idea. Last year, XKCD posted a single-panel comic about absentmindedly selecting text when browsing the web.
#Text scanner for chrome update#
The update is out now on iPhone.(Credit: Batman and Robin Must Die! image by DC Comics screenshot by Michelle Starr/CNET Australia)Ī Chrome extension called Project Naptha allows you to highlight and copy text from an image, with more features on the way.
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With scanning bundled into Chrome, you have a more functional barcode scanner without needing a separate app. This presumes these are main ways that QR codes are used, but, in reality, that’s a limited subset of what QR codes can do.
#Text scanner for chrome code#
The iPhone’s QR code reader is tucked away inside the Wallet app, for example, where it’s used to scan coupons, boarding passes, tickets and the like. Still, it’s not the kind of thing you have to do often enough to justify keeping a barcode scanning app on hand.īecause of QR codes’ limited adoption, smartphone makers have been hesitant to fully integrate QR code scanning functionality into their operating systems, even though it would be a simple add-on from the Camera or a search utility. Even Amazon is putting QR codes on some of its packaging now, as with its Elements brand of baby products. Despite rumors to the contrary, QR codes haven’t entirely died out – if anything, they’ve started to make a comeback thanks to adoption by popular apps like Snapchat, Kik, and Messenger, as well as in food labeling.