Laser & Optoelectronics Progress, Volume. 55, Issue 1, 11203(2018)
Fast Adaptive Correlation Matching Barcode Location Method for Digital Level
Figures & Tables(9)
Fig. 4. Shift match correlation coefficient curves of (a) Leica and (b) Sokkia; comparison of one-dimensional gray curve of measured image and template image of (c) Leica and (d) Sokkia
Table 1. Results of seven experimental measurements with Zeissmm
View tableTable 1. Results of seven experimental measurements with Zeissmm
Number of measurement 1 2 3 4 5 6 7 Value of theory 295.000 322.250 705.000 832.250 930.400 1103.600 1269.000 Value of experiment 294.876 321.930 704.684 832.000 930.070 1103.214 1268.705 Value of difference 0.124 0.320 0.316 0.250 0.330 0.386 0.295
Table 2. Results of seven experimental measurements with Topconmm
View tableTable 2. Results of seven experimental measurements with Topconmm
Number of measurement 1 2 3 4 5 6 7 Value of theory 258.500 357.500 427.500 690.500 817.500 1300.000 1530.000 Value of experiment 258.107 357.335 427.294 690.178 817.239 1299.600 1529.736 Value of difference 0.393 0.165 0.206 0.322 0.261 0.400 0.264
Table 3. Results of seven experimental measurements with Sokkiamm
View tableTable 3. Results of seven experimental measurements with Sokkiamm
Number of measurement 1 2 3 4 5 6 7 Value of theory 273.750 321.500 528.250 870.250 993.000 1207.250 1438.250 Value of experiment 273.449 321.171 527.911 869.947 992.834 1206.970 1437.936 Value of difference 0.301 0.329 0.339 0.303 0.166 0.280 0.314
Table 4. Results of seven experimental measurements with Leicamm
View tableTable 4. Results of seven experimental measurements with Leicamm
Number of measurement 1 2 3 4 5 6 7 Value of theory 264.800 425.550 570.000 632.078 683.250 795.340 1095.000 Value of experiment 264.563 425.193 569.730 631.886 682.903 794.976 1094.732 Value of difference 0.237 0.357 0.270 0.192 0.347 0.364 0.268
Table 5. Measuring time and matching times of Leica and Sokkia under different distances
View tableTable 5. Measuring time and matching times of Leica and Sokkia under different distances
Distance /m Barcode image Matching time Time /s Leica Sokkia Leica Sokkia Leica Sokkia 8 318 292 2.532 2.468 15 310 285 2.619 2.682 25 295 273 2.841 2.765
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Liu Luyao, Huang Qiuhong, Liu Jiming, Zhao Min. Fast Adaptive Correlation Matching Barcode Location Method for Digital Level[J]. Laser & Optoelectronics Progress, 2018, 55(1): 11203
Paper Information
Category: Instrumentation, Measurement and Metrology
Received: Jul. 28, 2017
Accepted: --
Published Online: Sep. 10, 2018
The Author Email: Liu Luyao (liuluyao0217@163.com)
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