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자료유형
학술대회자료
저자정보
Hiroo Wakaumi (Tokyo Metropolitan College of Industrial Technology)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS-SICE 2009
발행연도
2009.8
수록면
1,127 - 1,131 (5page)

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A six-line ternary barcode detection system employing a dual threshold detection method has been developed to investigate the possibility of realizing multi-line scanners. This system, characterizing the subtraction of an attenuated enveloped line of a detected barcode signal from the original signal, enables detection over a larger range and also at higher scanning speeds while containing a great amount of information. The system using a six-line ternary barcode and a six-mirror-facet raster scanner was demonstrated to be capable of providing detection in a wide detection range of over 3.5 cm at a scanning speed of 417 scan/sec, over eight times that of conventional CCD cameras. The allowable skew angle for detection of barcode was over -16~+16 degrees, which are nearly equivalent to that in the conventional two-dimensional barcode detection system. The possibility of high-speed detection with a sufficient detection range determined by the raster scanner configuration and a practically usable large allowable skew angle for barcode detection was confirmed even when the scanning lines were increased. This system is expected to enable the real time identification of goods on production lines and in automated warehouses etc.

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Abstract
1. INTRODUCTION
2. DUAL THRESHOLD DETECTION METHOD
3. SIX-MIRROR-FACET RASTER SCANNER
4. SCANNING BEAM’S VERTICAL DEVIATION
5. EXPERIMENTAL RESULTS
6. CONCLUSIONS
ACKNOWLEDGMENT
REFERENCES

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