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NDT Images - Carestream Health, Inc.

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NDT Images - Carestream Health, Inc.

understand a wide variety of casting and welding defects that appear on images obtained during images will be compromised. Often, those Non-Destructive Testing (NDT).

http://www.carestream.com/ndt-Image_Guide.pdf

Date added: October 2, 2012 - Views: 30

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Recognition of Welding Defects in Radiographic Images by ...

Res. J. Appl. Sci. Eng. Technol., 2(3): 295-301, 2010 297 (a) Slag inclusions (b) Porosity (c) Incomplete penetration Fig. 1: Image after preprocessing

http://www.maxwellsci.com/print/rjaset/v2-295-301.pdf

Date added: November 6, 2011 - Views: 47

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CLASSIFICATION OF WELDING DEFECTS IN RADIOGRAPHS USING ...

Wang, G, Liao, T. W. Automatic Identification of Different Types of Welding Defects in Radiographic Images. NDT&E International 2002; 35: 519-528. 5. R. R.

http://www.ndt.net/article/wcndt2004/pdf/radiography/715_padua.pdf

Date added: December 30, 2011 - Views: 22

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9. Welding Defects - kau.ac.kr

9. Welding Defects 111 pletely fused. A false torch orientation may lead to lack of fusion between the layers, as shown in the lower figure.

http://mercury.kau.ac.kr/welding/Welding%20Technology%20II%20-%20Welding%20Metallurgy/Chapter%209%20-%20Welding%20Defects.pdf

Date added: February 20, 2012 - Views: 461

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Lecture 6 Weldability and defects in weldments

Weldability and defects in weldments Subjects of Interest •Reviews of weld design and weldability •Residual stresses and weld distortion •Weld metal inhomogeneities

http://eng.sut.ac.th/metal/images/stories/pdf/06_%20Weldability%20and%20defects%20in%20weldments.pdf

Date added: May 18, 2012 - Views: 135

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Detection of Welding Defects using S-TOFD and Digital Image ...

Detection of Welding Defects using S-TOFD and Digital Image Processing Techniques ... used the B-scan images of welded joints to detect the flaws present.

http://research.ijcaonline.org/volume48/number1/pxc3879909.pdf

Date added: May 3, 2013 - Views: 16

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Avoiding Defects in Stainless Steel Welds

Discontinuities and Defects Welding on stainless steels can produce the typical weld discontinuities or defects, ... Avoiding Defects in Stainless Steel Welds

http://files.aws.org/wj/2007/05/wj200705/wj0507-56.pdf

Date added: February 9, 2012 - Views: 242

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Automatic Defect Detection and Counting In Radiographic ...

considering defects in weldment images as object of interest. To ... welding defects by increasing the quality of information while

http://www.ijcaonline.org/volume10/number2/pxc3871971.pdf

Date added: May 23, 2013 - Views: 2

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A METHOD FOR DETECTION WELDING DEFECTS IN RADIOGRAPHIC IMAGES

A method for detection welding defects in radiographic images 309 International Journal of Machine Intelligence ISSN: 0975–2927 & E-ISSN: 0975–9166, Volume 3 ...

http://eprints.uni-mysore.ac.in/15420/1/13258330823_4_24_IJMI.pdf

Date added: May 16, 2014 - Views: 1

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Weld Defects in Austenitic Stainless Steel Sheets—Effect of ...

Weld Defects in Austenitic Stainless Steel Sheets—Effect of Welding Parameters Defects grow in number and size as welding current increases, and the type of defect ...

http://www.aws.org/wj/supplement/WJ_1983_02_s45.pdf

Date added: May 3, 2013 - Views: 3

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Image Thresholding for Weld Defect Extraction in Industrial ...

in the case of the radiographic images of welded ... “Evaluation of the relevant features of welding defects in radiographic inspection,” Materials ...

http://waset.org/publications/12939/image-thresholding-for-weld-defect-extractionin-industrial-radiographic-testing

Date added: January 10, 2014 - Views: 1

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Weld assessments and weld properties - :: สำนัก ...

weld properties Subjects of Interest Part I Weld assessment ... •Can be used to detect defects on each pass in multi-pass welding after it has been deposited.

http://eng.sut.ac.th/metal/images/stories/pdf/07_%20Weld%20porperties%20and%20assessment.pdf

Date added: November 6, 2012 - Views: 13

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WELDING DEFECTS

WELDING DEFECTS LACK OF FUSION Lack of fusion, also called cold lapping or cold shuts, occurs when there is no fusion between the weld metal and

http://xa.yimg.com/kq/groups/22687970/1840133808/name/Welding+Defect.pdf

Date added: November 27, 2013 - Views: 4

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Detection of Weld Line Defect for Oil-gas Pipeline Based on X ...

ray welding image segmentation in this paper. The quality ... The discussions about identifying defects in images [J]. Nondestructive testing, 2002, (1): 5-8 .

http://www.academypublisher.com/proc/wisa09/papers/wisa09p273.pdf

Date added: May 8, 2012 - Views: 8

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Slag Inclusion Defects In Film Image Radiographic

Automatic identification of different types of welding defects in radiographic images ... API 1104 Practice Examination - American Welding Society.

http://www.pdfsdocuments.com/slag-inclusion-defects-in-film-image-radiographic.pdf

Date added: November 8, 2014 - Views: 1

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Welding Defect Detection and Classification Using Geometric ...

image holding welding defects. The images in second column show images after thresholding. The third column depicts the final image (segmented images) obtained after

http://www.computer.org/csdl/proceedings/fit/2012/4946/00/4927a139.pdf

Date added: December 22, 2014 - Views: 1

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Crack Defects Detection in Radiographic Weldment Images using ...

Crack Defects Detection in Radiographic Weldment Images using FSVM and Beamlet Transform Zheng Sun1, Dianxu Ruan1, Yun Ma1, Xiaolei Hu1, Xiao-guang Zhang1,2

http://doi.ieeecomputersociety.org/10.1109/FSKD.2009.35

Date added: December 22, 2014 - Views: 1

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Shielding gas . Gases for all types of stainless steel .

used for TIG welding stainless steel than for steel, but not all ... the scrapping or repairing of welding defects can be a significant cost and must be avoided.

http://www.linde-gas.com/internet.global.lindegas.global/en/images/Shielding_gases_for_stainless_steel_60785_1217_82204.pdf

Date added: May 11, 2013 - Views: 4

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Common HF Welding Defects - Tube & pipe welding equipment ...

Common HF Weld Defects There are many types and variations of HF welding defects and each one is known by many different names around the industry.

http://www.thermatool.com/information/papers/quality/COMMON-HF-WELDING-DEFECTS.pdf

Date added: December 11, 2011 - Views: 162

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A Review on Inspection of welding defects using Segmentation ...

A Review on Inspection of welding defects using ... images, non-uniformed illumination, noise and deficient contrast, confusion of defects in same spot at surface.

http://www.ijser.org/researchpaper/A-Review-on-Inspection-of-welding-defects-using-Segmentation-Techniques.pdf

Date added: March 8, 2014 - Views: 1

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Steel Surface Defects Detection and Classification

Steel Surface Defects Detection and Classification ... B. S., Tan, C. S.: Recognition of Welding Defects in Radiographic Images by Using Support Vector Machine ...

http://onlinepresent.org/proceedings/vol3_2012/53.pdf

Date added: March 13, 2013 - Views: 19

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Defects Introduced into Metals During Fabrication and Service

book concentrates on the process of welding and details many of the defects associated with joining ... with many Scanning Electron Microscope images of fracture ...

http://www.eolss.net/Sample-Chapters/C05/E6-36-04-01.pdf

Date added: April 29, 2012 - Views: 74

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The Mechanisms of Formation of Weld Defects in High-Frequency ...

The Mechanisms of Formation of Weld Defects in High-Frequency Electric Resistance Welding The two kinds of defects associated with previously defined welding

http://www.aws.org/wj/supplement/WJ_1981_06_s104.pdf

Date added: July 3, 2013 - Views: 4

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Application of frequency domain processing to X-ray ...

148 M.I. Rajab et al. / Application of frequency domain processing to X-ray radiographic images of welding defects Frequency Domain Processing

http://www.researchgate.net/profile/Talaat_El-Benawy/publication/228879619_Application_of_frequency_domain_processing_to_X-ray_radiographic_images_of_welding_defects/links/0deec51a73628a4f1c000000.pdf

Date added: February 1, 2015 - Views: 1

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Automatic identification of different types of welding ...

Jul 31, 2014 · Automatic identification of different types of welding defects in radiographic images Gang Wang, T. Warren Liao* Department of Industrial and ...

http://dibujotecnicoutepsa.files.wordpress.com/2014/08/1automatic-identification-of-different-types-of-welding-defects-in-radiographic-images.pdf

Date added: November 22, 2014 - Views: 1

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Segmentation of Weld Defects in X-ray Image Based on Partial ...

Segmentation of Weld Defects in X-ray Image Based on Partial Surface Reconstruction Runshi ... of Different Types of Welding Defects In Radiographic Images[J ...

http://www.ndt.net/article/wcndt2008/papers/27.pdf

Date added: February 20, 2012 - Views: 10

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WELDING DEFECT PATTERN RECOGNITION IN RADIOGRAPHIC IMAGES OF ...

1 23 rd World Gas Conference, Amsterdam 2006 WELDING DEFECT PATTERN RECOGNITION IN RADIOGRAPHIC IMAGES OF GAS PIPELINES USING ADAPTIVE FEATURE

http://members.igu.org/html/wgc2006/pdf/paper/add10316.pdf

Date added: October 12, 2014 - Views: 1

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Defects detection in X-ray images and photos

Defects detection in X-ray images and photos ROUMEN KOUNTCHEV Department of Radio Communications Technical University of Sofia Bul. Kl. Ohridsky 8, Sofia 1000

http://www.researchgate.net/profile/Roumen_Kountchev/publication/228638382_Defects_detection_in_X-ray_images_and_photos/links/09e41510bfcc86b049000000.pdf

Date added: February 1, 2015 - Views: 1

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APPLICATION OF ARTIFICIAL NEURAL NETWORKS TO EVALUATE WELD ...

defects, it is unsuccessful in identifying some welding defects because of the nature of ... The images were stored in jpg format. Defects are

http://www.physicsegypt.org/jnrp/v3n202.pdf

Date added: March 17, 2012 - Views: 60

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www.iosrjen.org A Novel Approach for Automatic Detection of ...

Researchers have done extensive work on welding defects evaluation ... “Hierarchical Segmentation Approach to Detection of Defects on Welding Radiographic Images”,

http://www.iosrjen.org/Papers/vol2_issue6%20(part-2)/A0260105.pdf

Date added: March 15, 2013 - Views: 1

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An Automatic Welding Defects Classifier System.

An Automatic Welding Defects Classifier System ... In this paper, we describe an automatic detection system to recognise welding defects in radiographic images.

http://repositorio.bib.upct.es/dspace/bitstream/10317/874/1/awd.pdf

Date added: August 31, 2013 - Views: 1

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New Jersey Section News - American Welding Society - Section

New Jersey Section News April, 2014 Newsletter Information New Jersey Section News is the official publication of the ... “Flux Core Arc Welding Defects & Causes ...

http://sections.aws.org/newjersey/images/AWSNJApril2014.pdf

Date added: April 25, 2014 - Views: 2

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CLASSIFICATION OF WELDING DEFECTS IN RADIOGRAPHS USING ...

CLASSIFICATION OF WELDING DEFECTS IN RADIOGRAPHS USING TRAVERSAL ... have the digital radiography available to have these images. The welding seam extraction require ...

http://www.romeu.eng.br/WCNDT2004_Germano_final.pdf

Date added: July 24, 2013 - Views: 2

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Overview of Shielding Gases - Linde Gas

these welds can suffer from greater numbers of fusion defects than ... There are many ways in which a shielding gas can improve welding process performance.

http://www.linde-gas.com/internet.global.lindegas.global/en/images/Overview_of_shielding_gases_60734_1217_82202.pdf

Date added: May 7, 2013 - Views: 1

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The ABC's of Arc Welding and Inspection

The ABC’s of Arc Welding and Inspection is to provide ... welding defects which can occur, if welding procedures are not appropriate. Table 4.4 shows

http://www.kobelco-welding.jp/images/education-center/pdf/ABC_4Ed.pdf

Date added: March 20, 2014 - Views: 1

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Butt welds - Size

Root Welding Defects. Root L.O.F Causes Too small a root gap Arc too long Wrong polarity Electrode too large for joint preparation Incorrect electrode angle

http://petropipe.epage.ir/images/petropipe/content/%D8%AC%D9%88%D8%B4/Weld%20Defect.pdf

Date added: March 9, 2014 - Views: 7

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Development of An Automated Inspection System for Welding ...

Therefore, an automated inspection system for welding ... Since the intensity level of defects in the radiographic images are lower than the neighboring

http://eprints.usm.my/14796/1/paper3.pdf

Date added: February 20, 2012 - Views: 18

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Segmentation of welding defects using - :: www.viZZion.cl ::

Segmentation of welding defects using a robust algorithm Miguel Carrasco1 and Domingo Mery2* 1 Departamento de Ingeniería Informática Universidad de Santiago de Chile

http://www.vizzion.cl/files/CarrascoMery_MEVAL.pdf

Date added: April 2, 2012 - Views: 14

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Automated Weld Defects Detection Using Image Processing and ...

controlling different welding defects. ... analyses the captured images of a CCD camera and extracts the parameters of the weld such as size, position, surface

https://pooya.um.ac.ir/ResearchDocuments/papers/1008883.pdf

Date added: March 5, 2015 - Views: 1

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Volume 1, Issue 6, June 2012 An Innovative Method for Defect ...

describe an automatic detection system to recognize welding defects in radiographic images. In a first stage, image processing techniques, ...

http://www.ijeit.com/vol%201/Issue%206/IJEIT1412201206_35.pdf

Date added: August 3, 2013 - Views: 3

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Welding Analysis - Clemex

Welding is used in more and more industries, ... The most common weld defects include: lack of ... 1 Images taken during the procedure are available in appendix A

http://www.clemex.com/clemex/media/assets/pdf/Applications/Image-Analysis-Reports/692_WeldingAnalysis.pdf

Date added: May 26, 2013 - Views: 3

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Weld defect detection in industrial radiography based digital ...

The radiographic film images contain weld defects placed in background with different intensities. ... “Evaluation of the relevant features of welding

http://waset.org/publications/3618/weld-defect-detection-in-industrial-radiography-based-digital-image-processing-

Date added: December 10, 2013 - Views: 1

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SPIE84 - Home | College of Engineering and Computer Science

Segmentation After removal Of the noise and the left and the right dark borders from the images we would like to segment them in a way that welding defects are isolated.

http://cecs.wright.edu/~agoshtas/SPIE84.pdf

Date added: March 20, 2014 - Views: 1

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Evaluation of the Relevant Features of Welding Defects in ...

428 Carvalho et al. Materials Research 2. Detection and Classification of Welding Defects on Radiographic Images The radiographic image processing is especially used

http://www.scielo.br/pdf/%0D/mr/v6n3/a19v6n3.pdf

Date added: March 5, 2015 - Views: 1

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PM10680 Characterization of Welding Defects by Digital Image ...

weld joint through these digital images was also made, looking for parameters inherent to the de-fect image which could lead to its characteriza-

http://www.romeu.eng.br/paper_Final_Practical.pdf

Date added: November 26, 2013 - Views: 1

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Automatic detection of welding defects using texture features

detection of defects in X-ray images. The method generates a binary ... Figure 1. Detection of welding defects using a pattern recognition schema

http://web.ing.puc.cl/~dmery/Prints/ISI-Journals/2003-Insight-b.pdf

Date added: May 11, 2013 - Views: 4

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University of Huddersfield Repository

photos, digital images or X-ray pictures containing different types of welding defects. These images are vital to assess the quality of industrial products.

http://eprints.hud.ac.uk/7670/1/An_Intelligent_System_for_Analysing_Welding_Defects_using_Image_Retrieval_Techniques.pdf

Date added: December 3, 2013 - Views: 1

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STATE-OF-THE-ART OF MONITORING AND IMAGING OF LASER WELDING ...

STATE-OF-THE-ART OF MONITORING AND IMAGING OF LASER WELDING DEFECTS P. Norman1, H. Engström1, A. F. H. Kaplan1 1Luleå University of Technology, Luleå, Sweden

http://www.datlas.se/web/PDF/State-of-the-art_of_monitoring_and_imaging_of_laser_welding.pdf

Date added: May 27, 2013 - Views: 2

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A Region-Based Model and Binary Level Set Function Applied to ...

Weld Defects Detection in Radiographic Images Yamina Boutiche ... to detect the welding defects and to calculate necessary information such as

http://sdiwc.net/digital-library/web-admin/upload-pdf/00000020.pdf

Date added: December 11, 2013 - Views: 1