Scan Multiple Barcodes and QR Codes at Once

Scan Multiple Barcodes and QR Codes at Once

Multiple barcode scanning is time-efficient in various scenarios, such as shipping labels, supermarket price tags, inventory counting, etc. It greatly speeds up the barcode scanning process and streamlines the workflow.

Depending on different use cases, the count of barcodes in one image can vary from a few to dozens. And the barcodes can vary in symbologies (1D, QR code, MaxiCode, etc.) and sizes. As to the layout, the barcodes can be neatly placed in a matrix or randomly scattered.


If You Are a Software Developer

In this article, we are going to examine how Dynamsoft’s barcode SDK performs in multiple barcode scanning situations.


Bulk Scan Barcodes and MaxiCode on Shipping Labels

Take a UPS shipping label for example, there are two linear barcodes and one MaxiCode printed. To make use of the contextual information, we can specify the barcode type as following:

Bulk Scan Barcodes

Below is the Python code snippet to set barcode format and count to read:

settings = reader.get_runtime_settings()
settings.barcode_format_ids = EnumBarcodeFormat.BF_ALL | BF_MAXICODE
settings.excepted_barcodes_count = 32

Here is the returned result:

Cost 78 ms.

Found 3 barcode(s) in this file.

MaxiCode on Shipping Labels

Scan Barcodes for Inventory Counting

Another example is multiple barcodes printed on the product packaging. This is often seen in inventory counting. This image contains 3 identical UPC-A codes and 3 identical Code 39 Extended. Here is the returned result:

Cost 281 ms.

Found 6 barcode(s) in this file.

Scan Barcodes for Inventory Counting

To expedite the counting procedure, Dynamsoft Barcode Reader is optimized for scanning dozens of codes at once. For example, the following image contains 32 barcodes. Dynamsoft’s barcode scanner can scan them all successfully in 796ms.

dozens of codes

The following is an example of 70 UPC-A codes in one image.

Dozens of UPCA Codes in One Image

Codes of Various Barcode Formats in Random Placement

Dynamsoft’s barcode and QR code SDK is capable of recognizing barcodes in different angles and in different sizes. Its proprietary algorithm ensures that scanning multiple codes only takes a fraction longer compared with scanning a single barcode.

Codes of Various Barcode Formats

What’s Next

Need a bulk barcode scanner? Download the 30-day free trial SDK to perform multiple barcode scanning.

About Dynamsoft Barcode Reader

Dynamsoft Barcode Reader enables developers to quickly implement 1D and 2D barcode scanning into their applications running on different platforms. On top of scanning linear barcodes, it can function as a powerful QR Code reader or a 2D imager.

Supported programming languages: C#,, Java, C++, Python, C, Android Java, Swift, Kotlin, and JavaScript.


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