Method for Fast Locating the Transition between Elements of PDF417 Bar Code by CMOS camera.
In: International MultiConference of Engineers & Computer Scientists 2009; 2009, p825-828, 4p, 9 Diagrams, 1 Chart
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Zugriff:
The bar code image captured by CMOS camera has natural disadvantage such as low resolution, blur, low contrast etc. To recognize this kind of image, locating the transition between the elements of 2D bar code becomes the key algorithm which affects the speed and performance. Nowadays locating algorithms are either not effective enough to cope with image captured by CMOS camera or too complex to implement for embedded application. This article provides an improved algorithm which integrates global threshold and low-pass filter. This algorithm is relatively simple and effective. It can locate the transition between the elements of a bar code quickly and accurately. [ABSTRACT FROM AUTHOR]
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Method for Fast Locating the Transition between Elements of PDF417 Bar Code by CMOS camera.
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Autor/in / Beteiligte Person: | He, Li ; Hao, Xiaoli |
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Quelle: | International MultiConference of Engineers & Computer Scientists 2009; 2009, p825-828, 4p, 9 Diagrams, 1 Chart |
Veröffentlichung: | 2009 |
Medientyp: | Buch |
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