Analysis of Edge Detection in Bar Code Symbols: An Overview and Open Problems
نویسندگان
چکیده
منابع مشابه
Analysis of Edge Detection in Bar Code Symbols: An Overview and Open Problems
Accurate edge localization is essential in bar code decoding. Since speckle noise is the most dominant form of noise in laser bar code scanners, it is important to fully understand its effects on edge detection. Starting with the basic statistical properties of speckle patterns, we present stochastic analysis of speckle noise. We derive the autocorrelation function and power spectral density PS...
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ژورنال
عنوان ژورنال: Journal of Applied Mathematics
سال: 2012
ISSN: 1110-757X,1687-0042
DOI: 10.1155/2012/758657