When scanning barcodes in production (warehouse, logistics, healthcare, retail), image quality issues like blur, motion, glare, low contrast, or physical damage can cause even strong barcode algorithms to fail. Fortunately, most linear (1D) barcodes also include human-readable text. That text becomes a powerful assist layer: if the barcode fails, OCR...

Building a web-based OCR (Optical Character Recognition) application has never been easier with modern JavaScript libraries. In this comprehensive tutorial, we’ll create a powerful OCR app that can process images, multi-page TIFFs, and PDFs, converting them into searchable PDF documents - all running entirely in the browser with free tools....

Paper documents are still ubiquitous in our everyday work, like invoices, checks and printed books. It takes effort to manage them. With Dynamic Web TWAIN, we can build a web application to scan documents from document scanners. But further steps are required to better manage the documents and OCR is...

Previously, I shared an article Making an Android OCR Application with Tesseract. This time, I’d like to share how to build the tesseract OCR library with Microsoft Visual Studio 2008 on Windows. Building Tesseract I’ve tried different ways to set up the building environment, and finally concluded that the most...