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[期刊论文] 作者：SONGLi-mei,LIULi-wen,YANGYan-gang,GUOQing-hua,XIJiang-tao,
来源：OptoelectronicsLetters 年份：2016
An optical hydrogen sulfide (H2S) sensor based on wavelength modulation spectroscopy with the second harmonic (2f) corrected by the first harmonic (1f) signal (WMS-2f/1f) is developed using a distributed feedback (DFB) laser emitting at 1.5......
[期刊论文] 作者：SONGLi-mei,LIDa-peng,CHANGYu-lan,XIJiang-tao,GUOQing-hua,
来源：OptoelectronicsLetters 年份：2014
To achieve accurate measurements, the creating a fitting hole for internal diameter (CFHID) measurement method and the establishing multi-sectional curve for external diameter (EMCED) measurement method are proposed in this paper, which are......
[期刊论文] 作者：SONGLi-mei,GAOYan-yan,ZHUXin-jun,GUOQing-hua,XIJiang-tao,
来源：OptoelectronicsLetters 年份：2016
In order to get the entire data in the optical measurement, a multi-view three-dimensional (3D) measurement method based on turntable is proposed. In the method, a turntable is used to rotate the object and obtain multi-view point cloud dat......
[期刊论文] 作者：SONGLi-mei,CHENChang-man,CHENZhuo,XIJiang-tao,YUYan-guang,
来源：OptoelectronicsLetters 年份：2013
A calibration method for the five essential parameters is proposed. Using the calibration results, the three dimensional (3D) reconstruction can be performed directly. The five essential parameters include the distance between the camera an......
[期刊论文] 作者：LIZong-yan,SONGLi-mei,XIJiang-tao,GUOQing-hua,ZHUXin-jun,CHENMing-lei,
来源：OptoelectronicsLetters 年份：2015
Aiming at the low speed of traditional scale-invariant feature transform (SIFT) matching algorithm, an improved matching algorithm is proposed in this paper. Firstly, feature points are detected and the speed of feature points matching is i......
[期刊论文] 作者：SONGLi-mei,LIZong-yan,CHENChang-man,XIJiang-tao,GUOQing-hua,LIXiao-jie,
来源：OptoelectronicsLetters 年份：2015
In the three-dimensional (3D) contour measurement, the phase shift profilometry (PSP) method is the most widely used one. However, the measurement speed of PSP is very low because of the multiple projections. In order to improve the measure......
[期刊论文] 作者：SONGLi-mei,LIDa-peng,QINMing-cui,LIZong-yan,CHANGYu-lan,XIJiang-tao,
来源：OptoelectronicsLetters 年份：2014
A high-precision vision detection and measurement system using mobile robot is established for the industry field detection of motorcycle frame hole and its diameter measurement. The robot path planning method is researched, and the non-con......
[期刊论文] 作者：SONGLi-mei,WANGPeng-qiang,CHANGYu-lan,LIXiao-jie,XIJiang-tao,GUOQing-hua,LIBing-nan,
来源：OptoelectronicsLetters 年份：2015
Inordertorealizetheonlinemeasurementoflampdimension,thebulbimagedimensionmeasurementbasedonvision(BIDMV)isproposed.Theimageoflampisobtainedbycamera.Afterimageprocessing,suchasOtsualgorithm,medianfilter,ellipsefittingandenveloperectanglefitt......
[期刊论文] 作者：SONGLi-mei,LIZong-yan,CHANGYu-lan,XINGGuang-xin,WANGPeng-qiang,XIJiang-tao,ZHUTeng-da,
来源：OptoelectronicsLetters 年份：2014
For fabric defect identification in the textile industry, a three-dimensional (3D) color phase shift profilometry (CPSP) method is proposed. The detecting system is mainly composed of one CCD camera and one digital-light-processing (DLP) pr......
[期刊论文] 作者：SONGLi-mei,WANGPeng-qiang,XIJiang-tao,GUOQing-hua,TANGHuan,LIJing,LIXiao-jie,ZHUTeng-da,
来源：OptoelectronicsLetters 年份：2015
The registration of point cloud is important for large object measurement. A measurement method for coordinate system transformation based on robot is proposed in this paper. Firstly, for obtaining extrinsic parameters, the robot moves to t......
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