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Shape Inspection System for Variable-Luminance Steel Plates with Real-Time Adaptation Capabilities to Luminance Variations

D Garcia
2002 Real-time imaging  
T his work presents an automated shape inspection system for two-dimensional plates with variable luminance.  ...  This system automatically adapts itself to different levels of luminance using a mechanism that calculates the proper exposure time to acquire each image.  ...  Acknowledgements This work has been developed with the funding of the European Commission under the Contract 7210-PR-028 of the ECSC research program.  ... 
doi:10.1006/rtim.2001.0277 fatcat:4k47daralnf3rpyg6kaeyh6roa

Understanding Color Image Processing by Machine Vision for Biological Materials [chapter]

Ayman H. Amer Eissa, Ayman A. Abdel Khalik
2012 Structure and Function of Food Engineering  
Machine vision systems and near infrared inspection systems h a v e b e e n i n t r o d u c e d t o m a n y g r a d i n g facilities with mechanisms for inspecting all sides of fruits and vegetables (Kondo  ...  Structure and Function of Food Engineering 228 In recent ten years, operations in grading systems for fruits and vegetables became highly automated with mechatronics, and robotics technologies.  ...  The suggested CRT gamma is 2.2 which complies with most monitors.  ... 
doi:10.5772/50796 fatcat:xipp3rwtbffnzpgejyb6hcuqk4

Novel Framework for Optical Film Defect Detection and Classification

Ngoc Tuyen Le, Jing-Wein Wang, Meng-Hsiang Shi, Chou-Chen Wang
2020 IEEE Access  
To overcome this problem, a novel framework based on machine vision known as the optical film defect detection and classification system is presented for use in the real-time inspection.  ...  The accurate defect detection rate is 99.6%, the classification accuracy rate is 100%, and the total operation time is short whichonly 6.129s are required on average to perform the inspection for an optical  ...  ACKNOWLEDGMENT The authors would like to thank WahHong Company, Ltd, Taiwan, for their joint development of the inspection system.  ... 
doi:10.1109/access.2020.2982250 fatcat:5idqzxa6wrcufpvwwijzvmqk4i

Biological image motion processing: A review

Ken Nakayama
1985 Vision Research  
as a proprioceptive sense (5) Motion as a stimulus to drive eye movements (6) Motion as required for pattern vision (7) Image motion processing as useful for perceiving real moving objects Multiplicity  ...  Table of conterm Motion as a fundamental visual dimension Functional aspects of image motion processing (I) Encoding of the third dimension (2) Time to collision (TTC) (3) Image segmentation (4) Motion  ...  Instead it appeared that the best velocity to obtain adaptation shifted downward with increasing spatial frequency such that it was more accurate to say that the system became most adapted for a preferred  ... 
doi:10.1016/0042-6989(85)90171-3 pmid:3895725 fatcat:fbyrcamgfjautc5nnoeuk7afgm

Automation of Unloading Grain Cars Using the "Grain-o-Bot"

2013 American Society of Agricultural and Biological Engineers. Transactions  
Correlation and pattern recognition techniques using a template image combined with shape detection were used for sprocket identification.  ...  Major constraints with these solutions occurred when implementing them in real world applications.  ...  This classification was necessary to eliminate real time organoleptic inspection (smelling) of birds, as this was to become mandatory.  ... 
doi:10.13031/trans.56.10123 fatcat:64ykitb4mvdqlclgmjycy6kgfi

Fatigue Crack Detection Using Unmanned Aerial Systems in Fracture Critical Inspection of Steel Bridges

Sattar Dorafshan, Robert J. Thomas, Marc Maguire
2018 Journal of Bridge Engineering  
Acknowledgements The authors would like to acknowledge the Idaho Transportation Department for funding this research.  ...  Several students and research personnel helped to complete this project, including, Hannah Young, Hunter Buxton, Dan Robinson, Shawn Grant, Abhishek Manjunath, Parwinder Mehrok and Anusna Chakraborty.  ...  Finally, System E configuration, which was recommended for bridge inspections, consisted of a multirotor copter with eight or more motors, potentially tethered, capable of VTOL, and equipped with LiDAR  ... 
doi:10.1061/(asce)be.1943-5592.0001291 fatcat:rowbz4yrojcr3apa5lxu4khgxm

Color Scheme [chapter]

Nilgün Olguntürk
2016 Encyclopedia of Color Science and Technology  
The ends of the rods touch each other and are connected to a current source. By subsequently separating the rods, a discharge arc is produced that brings the ends of the rods to bright incandescence.  ...  The first step is the compensation for the incomplete adaptation of the visual system to the self-luminous displays (Eq. 4).  ...  However, the fact that reflectance spectra for objects in the world tend to vary smoothly with wavelength [4] has the consequence: the practical gamut of real-world colors is much smaller than the horseshoe-shaped  ... 
doi:10.1007/978-1-4419-8071-7_229 fatcat:duovedpvizhddcizjdwqbrhmzu

Visual aids and eye protection for the aviator

1977 Applied Ergonomics  
Snyder Crew Systems Department and S. Filarsky, Systems Analysis and Engineering Department, Naval Air Development Center, Warminster, Pennsylvania.  ...  Because of the nature of the materials which can be adapted for the purpose, the solution will probably be to coat a clear visor with a removable variable density film.  ...  With these devices, man's most inportant sense -VISION needed for flying is being extended. amplified, and enhanced in an attempt to bring his physiologic capabilities on par with the performance capabilities  ... 
doi:10.1016/0003-6870(77)90179-x fatcat:q4bz3dmgufgpzedu2byzwqr2jm

Investigation of stress-strain state of welded joints of the system TiAl intermetallics

L.M. Lobanov, E.O. Paton Electric Welding Institute, NASU, E.A. Asnis, N.V. Piskun, E.L. Vrzhizhevsky, A.S. Milenin, E.A. Velikoivanenko, E.O. Paton Electric Welding Institute, NASU, E.O. Paton Electric Welding Institute, NASU, E.O. Paton Electric Welding Institute, NASU, E.O. Paton Electric Welding Institute, NASU, E.O. Paton Electric Welding Institute, NASU
2019 The Paton Welding Journal  
Institutions with current subscriptions on printed version can purchase online access to the electronic versions of any back issues that they have not subscribed to.  ...  to IP addresses).  ...  Shape of the luminous area of nonstationary arc column at TIG welding with high-frequency (f > > 10 kHz) pulse modulation of current differs markedly from the respective shape for an arc of direct current  ... 
doi:10.15407/tpwj2019.11.02 fatcat:caqbcoglm5bmfbgipnl3dd5dl4

Stock Investment Value Study Based on Fuzzy Comprehensive Evaluation

Zongyan Xu, Zhong Liu, Feifei Zhou, Haihua Li
2009 Modern Applied Science  
This paper constructs 3-level evaluation model based on index system for the listed corporations and confirm the weights by the factor analysis, then compute the investment value of listed companies in  ...  The objective and reasonable basis for making investment decision is provided.  ...  Then the plates were incubated at different temperature 6ºC, 17ºC, 30ºC for up to 15 days.  ... 
doi:10.5539/mas.v3n6p67 fatcat:a3bcjjqg4ngq3f333ddgdl4uke

A. Instruments, Accessories, &c.*

1910 Journal of the Royal Microscopical Society  
The base for the Microscope is formed either by the case, or by the bench on which it is to be used.  ...  Watson's Naturalist's Microscope.7-This instrument (figs. 18 and 19) is an inexpensive Microscope, and is intended for students and for biological class work.  ...  Howe found that, while comparatively great variations in density occurred in a steel ingot due to the presence of blowholes, the plates rolled from the same ingot were of uniformly high density.  ... 
doi:10.1111/j.1365-2818.1910.tb01713.x fatcat:jd6imfrk7rbqznyd5tofsae6ua

New magnetic connector for embedding of optical sensors in composite materials

E. Basile, A. Brotzu, F. Felli, C. Lupi, G. Saviano, C. Vendittozzi, M.A. Caponero
2011 2011 Fifth International Conference on Sensing Technology  
Complete module containing eight channels with the associated electronics have been developed and successfully tested on fuel cells batteries for automotive.  ...  ) We present an integrated voltage sensor dedicated to fuel cells monitoring.  ...  The system also has the capability of remote monitoring in real-time all the different sensor presented in the system.  ... 
doi:10.1109/icsenst.2011.6137034 fatcat:zpi5u4pu5zbihkrkk3wz5pn4xa

Development of an Image Processing Module for Autonomous Underwater Vehicles through Integration of Visual Recognition with Stereoscopic Image Reconstruction

Yu-Hsien Lin, Shao-Yu Chen, Chia-Hung Tsou
2019 Journal of Marine Science and Engineering  
Finally, the dynamic testing results were combined with a fuzzy controller to output the real-time responses of the vehicle regarding the angles, rates of the rudder planes, and the propeller revolution  ...  This study investigated the development of visual recognition and stereoscopic imaging technology, applying them to the construction of an image processing system for autonomous underwater vehicles (AUVs  ...  Acknowledgments: The authors would like to thank for the contribution from C. M. Yu to the fabrication of AUV. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/jmse7040107 fatcat:kydfevu66je7poxojwdejdw6oi

SparsePak: A Formatted Fiber Field Unit for the WIYN Telescope Bench Spectrograph. I. Design, Construction, and Calibration

Matthew A. Bershady, David R. Andersen, Justin Harker, Larry W. Ramsey, Marc A. W. Verheijen
2004 Publications of the Astronomical Society of the Pacific  
An Appendix details the fabrication process in sufficient detail for others to repeat.  ...  Our approach to integral-field spectroscopy yields an instrument which is simple and inexpensive to build, yet yields the highest area--solid-angle product per spectrum of any system in existence.  ...  For our purposes, FRD wavelength dependence, if real, amounts to less than or of an order of a few percent variation in the indices we discuss next.  ... 
doi:10.1086/421057 fatcat:nzr3yyx6pzdk5o2buysysdbara

2008 Index IEEE Transactions on Instrumentation and Measurement Vol. 57

2008 IEEE Transactions on Instrumentation and Measurement  
Chen, S., +, TIM April 2008 706-715 Burgnies, L., +, TIM June 2008 1127-1132 Bars Modeling Studies on the Development of a System for Real-Time Magnetic-Field Imaging of Steel Reinforcing Bars Embedded  ...  ., +, TIM Aug. 2008 1614-1620 Boundary-elements methods Modeling Studies on the Development of a System for Real-Time Magnetic-Field Imaging of Steel Reinforcing Bars Embedded Within Reinforced Concrete  ...  Grid computing On the Suitability of GRID Service Technology for Distributed Measurements Based on Complex Digital Signal Processing Algorithms.  ... 
doi:10.1109/tim.2008.930821 fatcat:xrqw4gtwa5aydc3uzmlgw3alwi
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