Barcode Recognition 101: How to Decode QR Code, DataMatrix and PDF417?

How 2D Barcode Recognition Works Wanna understand how a barcode recognition scanner interprets a 2D barcode? We’ve worked out an infographic to get you started. You might also be interested in how to decode 1D barcodes. Step 1. Location In this step, the barcode scanner tries to find the barcodes if there is any. Different barcode symbologies…

Barcode Scanning 101: How to Decode Code39 and Code128?

Wanna understand how a barcode recognition SDK or software interprets a barcode? We’ve worked out an infographic to get you started. You might also be interested in learning how to decode 2D barcodes. To decode information from Code39, Code128 and other linear bar codes, there are generally two steps: location and decoding. Step 1. Location…

Use Image Cleanup as pre-processing to improve barcode recognition rate

Have you ever wondered how barcode readers can read barcodes of low quality? The Dynamsoft Barcode Team has come up with this handy infographic to help show the main techniques that are used to enhance barcode images to allow for easier reading. There are three main methods we use for image enhancement when using barcodes:…

Scan Documents and Save to PDF

Scan Multiple Pages in a Batch and Save as PDF As document scanning experts, we get this question a lot: is document scanning from within a browser possible? How so? Frequent follow-up questions are: how do I save the scanned images as a multi-page PDF file? How do I automatically separate different files in one batch?…

How to Create an Online QR Code Reader

Read QR Code from online web camera in a web page QR code applications have been widely used in different areas. Creating an online QR code reader application involves capturing barcode images, decode the barcode content, and accomplishing corresponding workflows. In this post, we will use Dynamsoft Barcode Reader SDK to quickly create a QR…

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