Articles

Maximizing Bar Code Performance: A Look at US Postal Bar Codes

Garrett Russell — Thu, 03 Jan 2008 17:45:37 GMT

Maximizing Bar Code Performance: A Look at Quiet Zones

Garrett Russell — Thu, 03 Jan 2008 17:24:14 GMT

Maximizing Bar Code Performance: A Look at Error Correction

Garrett Russell — Thu, 03 Jan 2008 17:16:19 GMT

An Evaluation of 2D Bar Codes in Document Processing Applications

Chad Ludeman — Fri, 03 Aug 2007 17:37:21 GMT

August 02, 2007

by Bob Dunphy and Ben Hejl

An article evaluating the most common 2D bar codes (QR Codes, Data Matrix and Micro QR Code) for use in Document Processing Applications.

"This article will focus on the use of 2D symbols in document processing applications because of the significant data density advantage of 2D symbols over 1D symbols. In particular, we will compare the relative merits of three popular public domain 2D symbologies: Data Matrix, QR Code and Micro QR Code. Following a brief overview of each symbology, we will compare them based on their data density, error correction, and relative processing speed."

The Effects of Fax Transmission on Bar Code Decoding

Chad Ludeman — Tue, 05 Jun 2007 18:04:06 GMT

June 01, 2007
by Bob Dunphy and Ben Hejl

A brief article describing the challenges of decoding bar codes on documents that have been faxed multiple times Recomendations for selecting the best 1D and 2D barcodes for fax applications as well as methods for increasing the readability of the selected codes is given.

Selecting the Correct Bar Code when Images are Binarized

Chad Ludeman — Fri, 18 May 2007 18:23:35 GMT

May 01, 2007

by Bob Dunphy and Ben Hejl

A brief article detailing the effects that a binarized image has on the readability of bar codes found in those images. It also specifies specifically which types of bar code symbologies are the best to use for binarized image applications. Both 1D and 2D symbologies are discussed.