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find (Author =Xu Bugao)
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Crackscope Automatic Pavement Cracking Inspection System
1.
2008 ... Bugao Xu · The CrackScope system is an automated pavement crack rating system consisting of a digital line scan camera, laser-line illuminator, and proprietary crack detection and classification software. CrackScope is able to perform real-time pavement inspection with 100% distance coverage at travel velocities from 3 to 70 mph.
5708-P4 [CTR] ... Product 0-5708-P4
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_5708_P4.pdf
1 MB
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Improved Pavement Distress Rating System
2.
2008 ... Bugao Xu [and three others] · Report to describe the improvements made in hardware and software for pavement cracking detections, and the field test results that show the repeatability, accuracy of the data. · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
5708-2 [CTR] ... FHWA/TX-09/0-5708-2
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_5708_2.pdf
8.5 MB
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Improving Capabilities of Automated Distress Rating
3.
2008 ... RS: Bugao Xu; Researchers: Qingguang Li, Ming Yao and Xun Yao · The proposed project is a follow up of two previously funded projects for automated pavement distress inspection. The goal is to further improve the capabilities of the automated pavement distress rating system (VCrack). The tasks are mainly two fold. One is to
5708 Summary [CTR] ... PSR 0-5708-S ... Project Summary Report, 0-5708
Full-text Link:
https://library.ctr.utexas.edu/hostedpdfs/txdot/psr/5708.pdf
______________________________________________________________________________________________________
CAD Drawings of Light Bars
4.
2008 ... by: Dr. Bugao Xu · · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4958-01-P3 [CTR] ... Product 5-4958-01-P3
Full-text Link:
https://library.ctr.utexas.edu/digitized/products/5-4958-01-P3.zip
6.9 MB ZIP = 4 files
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Summary of Implementation of an Artificial Lighting System for Automated Visual Distress Rating System
5.
2007 ... Bugao Xu · The artificial lighting system called a light bar is a specially designed lighting device for the automated pavement distress measurement system (VCrack) developed in a previous TxDOT project. The basic function of this device is to provide intense, uniform, and linear illumination for the VCrack's line-scan camera and
4958-01-1 [CTR] ... FHWA/TX-08/5-4958-01-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/5_4958_01_1.pdf
351 KB
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Design of CrackScope (VCrack)
6.
2007 ... Bugao Xu, Xun Yao and Ming Yao · Technical Report ?Design of CrackScope (VCrack) and Computer Algorithms for Classifying Concrete Pavement Distress. This report describes two major tasks accomplished for project 0-5807 in FY07. Report to describe characteristics of the CrackScope (VCrack) system, and distress
5708-1 [CTR] ... FHWA/TX-08/0-5708-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_5708_1.pdf
532 KB
______________________________________________________________________________________________________
Automatic Inspection of Pavement Cracking Distress
7.
2006 ... Y. Huang and Bugao Xu · This paper presents the image-processing algorithm customized for high-speed, real-time inspection of pavement cracking. In the algorithm, a pavement image is divided into grid cells of 8 x 8 pixels, and each cell is classified as a non-crack or crack cell using the grayscale information of the border
4975-01-1 [CTR] ... FHWA/TX-06/5-4975-01-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/5_4975_01_1.pdf
554 KB
______________________________________________________________________________________________________
Linear Lighting System for Automated Pavement Distress Measurement
8.
2006 ... Bugao Xu · The artificial lighting system is a specially designed lighting device for the automated pavement distress measurement system (VCrack) developed in a previous TxDOT project. The basic function of this device is to provide intense, uniform, and linear illumination for the VCrack?s line-scan camera and helps it
4958-1 [CTR] ... FHWA/TX-06/0-4958-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_4958_1.pdf
451 KB
______________________________________________________________________________________________________
Artificial Lighting for the Automated Pavement Distress Rating System
9.
2005 ... Bugao Xu · An automated pavement distress rating system was developed under Texas Department of Transportation (TxDOT) Research Project 7-4975 in the past several years. The system now can scan 100 percent of pavement surfaces at any vehicle speed between 5 and 70 miles per hour, detect cracks in real time, and
4958-Summary [CTR] ... PSR 0-4958-S ... Project Summary Report, 0-4958
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_4958_S.pdf
______________________________________________________________________________________________________
VCrack Operation Manual (For Version 10.03.2004 JPEG)
10.
2005 ... Y. Huang and Bugao Xu · VCrack is designed for pavement surface distress data collection. It consists of a linescan CCD camera (Dalsa P2), a video frame grabber (Coreco Viper_CamLink), a control and processing unit (Industrial PC computer named VCrack computer through this document), and related software (VCrack module).
4975-01-P3 [CTR] ... Product 5-4975-01-P3
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/5_4975_01_P3.pdf
263 KB
______________________________________________________________________________________________________
Automatic Pavement Cracking Distress Measurement System
11.
2005 ... Bugao Xu and Yaxiong Huang · · CONTENTS: Automated Pavement Distress Measurement Vehicle (photo) -- System Specifications -- System Capabilities -- System Output -- System Performance -- System Benefits -- [Sample data and photos] · Publ. by: University of Texas at Austin. Center for Transportation
4975-01-P4 [CTR] ... Product 5-4975-01-P4
Full-text Link:
https://library.ctr.utexas.edu/digitized/products/5-4975-01-P4.ppt
5.1 MB, MS PowerPoint
______________________________________________________________________________________________________
Automated Pavement Cracking Rating System : A Summary
12.
2003 ... Bugao Xu and Yaxiong Huang · · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4975 Summary [CTR] ... PSR 4975-S ... Project Summary Report, 7-4975
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/7_4975_S.pdf
______________________________________________________________________________________________________
Development of an Automatic Pavement Surface Distress Inspection System
13.
2003 ... Bugao Xu and Yaxiong Huang · This paper presents a newly developed image-processing algorithm that was customized for high-speed, realtime inspection of pavement cracking. The algorithm was based on the "grid cell" analysis, in which a pavement image is divided into grid cells of 8x8 pixels and each cell is classified as a non-
4975-1 [CTR] ... 7-4975-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/7_4975_1.pdf
495 KB
______________________________________________________________________________________________________
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