首页 > 论文 > 标签

Hi,您目前在 全部期刊 'SONG Li-mei', 共找到 12个内容。

   将选定结果: 

 Transient emission wavelength estimation for DFB laser with temperature tuning

LI Jin-yi QIAO Chen-zhi SONG Li-mei GUO Qing-hua

[摘要]The prediction method of dynamic wavelength is proposed for temperature tuning process. The temperature of the thermistor integrated in laser diode (LD) module is recorded to predict the LD chip tempe...

 PDF全文Optoelectronics Letters | 2017, 13(02):108

 An optical sensor for hydrogen sulfide detection in open path using WMS-2f/1f technique

SONG Li-mei LIU Li-wen YANG Yan-gang GUO Qing-hua XI Jiang-tao

[摘要]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 distribu...

 PDF全文Optoelectronics Letters | 2016, 12(06):465

 A 3D measurement method based on multi-view fringe projection by using a turntable

SONG Li-mei GAO Yan-yan ZHU Xin-jun GUO Qing-hua XI Jiang-tao

[摘要]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 obje...

 PDF全文Optoelectronics Letters | 2016, 12(05):389

 Multi-view coordinate system transformation based on robot

SONG Li-mei WANG Peng-qiang XI Jiang-tao GUO Qing-hua TANG Huan LI Jing LI Xiao-jie ZHU Teng-da

[摘要]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 ex...

 PDF全文Optoelectronics Letters | 2015, 11(06):473

 A stereo matching algorithm based on SIFT feature and homography matrix

LI Zong-yan SONG Li-mei XI Jiang-tao GUO Qing-hua ZHU Xin-jun CHEN Ming-lei

[摘要]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 t...

 PDF全文Optoelectronics Letters | 2015, 11(05):390

 A correction method of color projection fringes in 3D contour measurement

SONG Li-mei LI Zong-yan CHEN Chang-man XI Jiang-tao GUO Qing-hua LI Xiao-jie

[摘要]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 proj...

 PDF全文Optoelectronics Letters | 2015, 11(04):303

 A non-contact real-time measurement of lamp dimension based on machine vision

SONG Li-mei WANG Peng-qiang CHANG Yu-lan LI Xiao-jie XI Jiang-tao GUO Qing-hua LI Bing-nan

[摘要]In order to realize the online measurement of lamp dimension, the bulb image dimension measurement based on vision (BIDMV) is proposed. The image of lamp is obtained by camera. After image processing,...

 PDF全文Optoelectronics Letters | 2015, 11(02):145

 Steering knuckle diameter measurement based on optical 3D scanning

SONG Li-mei LI Da-peng CHANG Yu-lan XI Jiang-tao GUO Qing-hua

[摘要]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 meth...

 PDF全文Optoelectronics Letters | 2014, 10(06):473

 Research on high-precision hole measurement based on robot vision method

SONG Li-mei LI Da-peng QIN Ming-cui LI Zong-yan CHANG Yu-lan XI Jiang-tao

[摘要]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 planni...

 PDF全文Optoelectronics Letters | 2014, 10(05):378

 A color phase shift profilometry for the fabric defect detection

SONG Li-mei LI Zong-yan CHANG Yu-lan XING Guang-xin WANG Peng-qiang XI Jiang-tao ZHU Teng-da

[摘要]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 a...

 PDF全文Optoelectronics Letters | 2014, 10(04):308

 A non-contact gear measurement method based on laser vision

SONG Li-mei QIN Ming-cui LI Zong-yan YANG Yan-gang LI Da-peng

[摘要]In order to classify the gears and achieve high precision measurement results, a non-contact gear measurement system based on the laser vision is developed in this paper. The laser vision precision me...

 PDF全文Optoelectronics Letters | 2014, 10(03):237

 Essential parameter calibration for the 3D scanner with only single camera and projector

SONG Li-mei CHEN Chang-man CHEN Zhuo XI Jiang-tao YU Yan-guang

[摘要]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 in...

 PDF全文Optoelectronics Letters | 2013, 9(02):143

首页上一页1下一页尾页