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...

When scanning barcodes, the recognition rate is affected by image quality. If a barcode image is severely damaged, the barcode algorithm may fail to work. Fortunately, most of the linear barcodes (1D barcodes) are printed with corresponding texts. OCR (optical character recognition) could be a complement to the barcode algorithm...

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...