Code 39 Testing
From SoftwarePractice.org
There were several tests which needed to be performed on the inputted barcode to determine if it was a Code 39 barcode. These tests were implemented as separate functions in our Matlab code, and are explained below.
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White Space Test
The Code 39 standard specifes that each character in a barcode should be separated by a narrow space
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Test 3 of 9
Each Code 39 barcode character is composed of 6 narrow and 3 wide elements, and the first and last elements are always ones
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Star test
Every Code 39 barcode starts and ends with a star character
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