Laser & Optoelectronics Progress, Volume. 56, Issue 5, 051203(2019)
Consistency Detection Method for Large Spacing Axis Based on Non-Cooperative Target Image Processing Technology
Figures & Tables(11)
Fig. 1. Diagram of finite distance image measurement method (D is finite). (a) Overall schematic; (b) section
Fig. 4. Images acquired by optical sensors and center position of cross-section after registration of RANSAC. (a) Image acquired by O1; (b) image acquired by O2; (c) enlarged image by O2
Fig. 5. Appearance and diagram of eyepiece image acquiring device. (a) Appearance of the device; (b) device structure
Fig. 6. Appearance and internal structure of mechanical connection plug. (a) Appearance; (b) device structure
Fig. 8. Captured images when two optical axes are not parallel. (a) Images captured by O1; (b) images captured by O2; (c) center deviation of O1 and O2
Fig. 9. Error analysis result for axis distance measurement error of 10 mm and range error of 1 m
Table 1. Results of axis deviation when two optical axes are parallel
View tableTable 1. Results of axis deviation when two optical axes are parallel
Coordinate A 'Coordinate B Coordinate C W /mLA'B /pixellA'B /mmMeasurement /(″) 2247,1560 2249,1540 2277,2013 900 20.10 381.78 18.74 2131,1464 2133,1446 2159,1871 900 18.11 382.81 18.98 2135,1474 2136,1458 2159,1833 900 16.03 384.03 19.26 1727,1562 1766,1535 1799,2176 390 47.43 288.22 6.23 1913,1631 1938,1612 1958,1984 390 31.40 328.73 15.19 2151,1593 2166,1573 2186,1939 390 25.00 265.99 17.98 2336,1385 2424,1347 2466,2080 220 95.85 287.22 11.98 2299,1663 2369,1619 2400,2203 220 82.68 311.03 10.34 2360,1653 2415,1614 2445,2131 220 67.42 286.43 12.72 1925,1504 1984,1481 2002,1774 145 63.32 312.79 18.20 1928,1526 1965,1512 1977,1697 145 39.56 309.42 13.39
Table 2. Axis deviation when two optical axes are not parallel
View tableTable 2. Axis deviation when two optical axes are not parallel
Coordinate A 'Coordinate B Coordinate C W /mLA'B /pixellA'B /mmMeasurement /(″) Deviation /(″) 1680,1318 1900,1315 1915,1677 900 220 5165.4 1183.8 -35.2 1913,1432 2024,1429 2031,1613 900 111 5127.4 1175.1 -43.9 1991,1258 2269,1249 2288,1704 900 278 5197.0 1191.1 -27.9 2008,1420 2131,1416 2138,1600 390 123 2306.6 1219.9 0.9 1967,1265 2269,1238 2289,1691 390 303 2307.8 1220.6 1.6 1902,1102 2365,1053 2394,1744 390 465 2325.5 1229.9 10.9 1899,1425 2030,1419 2038,1604 220 131 1258.0 1179.5 -39.5 1774,1323 2029,1309 2043,1670 220 255 1255.2 1176.8 -42.2 1464,1093 1955,1069 1983,1762 220 492 1259.3 1180.7 -38.3 1878,1431 2024,1419 2032,1602 145 146 859.6 1222.8 3.8 1713,1330 1993,1297 2007,1661 145 282 822.3 1169.7 -49.3 1338,1126 1895,1057 1918,1749 145 561 875.4 1245.3 26.3
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Yong Zhang, Hao Wu, Gang Niu. Consistency Detection Method for Large Spacing Axis Based on Non-Cooperative Target Image Processing Technology[J]. Laser & Optoelectronics Progress, 2019, 56(5): 051203
Paper Information
Category: Instrumentation, Measurement and Metrology
Received: Aug. 1, 2018
Accepted: Sep. 27, 2018
Published Online: Jul. 31, 2019
The Author Email: Zhang Yong (bit10701159@163.com)
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