Image of a 1D barcode taken with a low resolution camera where the bars are hard to separate. Scanned with the Viziotix barcode decoder SDK. Viziotix barcode scanner SDK. Viziotix barcode reader SDK

Nano-Scan Scans Tiny and Blurred Barcodes

Our barcode scanner SDK now includes the new “Nano-Scan” algorithm that decodes 1D barcodes at a sub-pixel level. Thanks to this advanced detection capability, our decoder can now decode blurred (out-of-focus) images, scan tiny barcodes, and also read low-resolution images of 1D barcodes. EAN/UPC, Code 39, Code 128, i2of5, and MSI symbologies are all supported by Nano-Scan.

Most barcode scanner SDKs and barcode imagers need 3 to 5 pixels, or more, per narrow bar on the sensor to resolve the bars in the barcode. When the image sensor’s resolution is low, the narrow bars are too small (scanning tiny barcodes), the barcode is too far away, or there is blur, the barcode then becomes unreadable beyond a certain point. These issues add up to reduced scanning distance or scanning “sweet spot” and the user experiences is poor. Devices or applications then suffer from low take-up or even abuse by users who find that their job is made difficult by the tools they have to use. 

At Viziotix, we use an advanced processing algorithm, called Nano-Scan, to find these narrow bars with only 0.7 pixels per bar. This increases the power of any given sensor or camera. By breaking the pixel limit, we increase scanning distances on all codes and compensate for movement blur. Therefore, any smartphone or camera-based solution will scan farther and with a higher scan success rate than with other barcode scanner SDKs. The user experience is improved and application take-up rates maximized.

On any given barcode, the scanning distance can be doubled over other SDKs and barcode scanners. Nano-Scan provides a significant, measurable difference to barcode scanning that will add value to any application or solution.

Nano-Scan is available as an option in the Barcode Scanner SDK and also available to test in the Free-Trial license.

Check out our Nano-Scan page for further information on this amazing algorithm.

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