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2017SPIE工业检验用光学测量系统会议（2017 Conference on Optical Measurement Systems for Industrial Inspection X）
2017 SPIE 工业检验用光学测量系统 会议
2017/4/25
2017SPIE工业检验用光学测量系统会议（2017 Conference on Optical Measurement Systems for Industrial Inspection X）。
Evaluation of image based integrated measurement system and its application to topographic survey
Photogrammetry Calibration Digital Camera Laser Integration Non-contact
2015/8/25
A convenient 3D measurement using amateur digital camera is enormously expected in various fields with appearance of the low cost and high-resolution amateur digital cameras. In these circumstances, t...
NETWORK ORIENTATION MODELS FOR IMAGE-BASED 3D MEASUREMENT
close-range photogrammetry image orientation automation relative orientation collinearity projective geometry
2015/8/7
Network orientation is a fundamental step in image-based 3D measurement. This paper aims to offer insights into
network orientation by considering developments in analytical close-range photogrammet...
3D MODELING OF HIGH RELIEF SCULPTURE USING IMAGE BASED INTEGRATED MEASUREMENT SYSTEM
Photogrammetry Calibration Camera Laser Modelling Integration System
2015/8/7
A convenient 3D measurement using amateur digital camera is enormously expected in various fields with appearance of the low
cost and high-resolution amateur digital cameras. In these circumstances,...
Spectrometric Measurement of Plasma Parameters Utilizing the Target Ambient Gas O I & N I Atomic Lines in LIBS Experiment
LIBS Self Absorption O I-N I Lines Plasma Parameters
2013/1/30
In this article, we shall report the results of the spectroscopic measurements of the plasma parameters utilizing the spectral lines emitted from the air atoms surrounding plasma (O I line at 777.19 n...
OPTIMIZING TERRESTRIAL LASER SCANNING MEASUREMENT SET-UP
Laser scanning point cloud error noise level accuracy optimal stand-point
2014/6/5
One of the main applications of the terrestrial laser scanner is the visualization, modeling and monitoring of man-made structures like buildings. Especially surveying applications require on one hand...
The magnetoresistance effect in compositionally modulated transition metal/transition-metal films (Co/Pt and Co/Pd) and in amorphous binary rare-earth-transition-metal alloy films (TbFe) has been inve...
A sensor head cons is t in g of a photonic cr ystalfiber ( PCF)-b ased Mac h –Zehnderinterferometer(MZI) anda fiber Bragg grating (F BG) i s proposed and experimentally demo nstrated for simultaneous ...
Novel temperature-insensitive fiber Bragg grating sensor for displacement measurement
Displacement Fiber Bragg grating Sensor
2013/5/27
A novel temperature-insensitive displacement sensor based on a fiber Bragg grating (FBG) is presented. A FBG is glued onto the surface of a specially designed cantil...
Wide-range BER Measurement Scheme by Estimating BER of Discarded Frames for 10 G-EPON Systems
Fiber optics communication Optical communication
2015/5/22
This paper describes a new BER measurement method obtaining the BER by estimating the number of error bits in discarded frames using the rate of discarded frames. The BER is obtained precisely by the ...
Bandwidth Measurement of Multimode Fibers through System Level Bit Error Rate Testing
Bandwidth Measurement Multimode Fibers Bit Error Rate Testing
2015/5/18
A new bandwidth measurement method for multimode fibers is developed through measuring bit error rate and power penalty associated with the testing system. Experimental calibration procedure and actua...
Novel Analyzing Model of Bi-Directional OTDR Measurement in a Hole-Assisted Fiber
Bi-Directional OTDR Measurement Fiber Hole-Assisted
2015/5/18
A novel analyzing model of bi-direction OTDR measurement in a hole-assisted fiber (HAF) is proposed. Using this model, both information on the air-hole structure and air-hole surface roughness in a HA...
Field Trial of In-Service PMD Measurement Using Idle DWDM Channels in Operational Long Haul Network
Long Haul Network DWDM Channels PMD Measurement
2015/5/18
In-service PMD measurement using idle channels in an operational DWDM long-haul network is realized with two novel measurement approaches during a field trial. Accurate PMD results are obtained withou...
Large range microwave frequency measurement using a fiber delay interferometer pair
fiber delay interferometer pair microwave frequency measurement
2015/5/15
We demonstrate a photonic approach to IFM using two parallel home-made fiber delay interferometers, packaged into a 10cm×8cm board. A maximum measurement frequency of 36.7GHz and measurement error les...
Instantaneous Frequency Measurement with Digital Outputs Based on An Optical Filter Array
Optical Filter Digital Output Instantaneous Frequency Measurement
2015/5/15
A photonic approach using an optical filter array is proposed to perform instantaneous frequency measurement with digital outputs. 4-bit digital outputs are then experimentally demonstrated within the...