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NDT Images - Carestream Health

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NDT Images - Carestream Health

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 ...

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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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: 470

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Automatic identification of different types of ...

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

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

Date added: April 21, 2015 - Views: 1

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

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: 17

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CLASSIFICATION OF WELDING DEFECTS IN RADIOGRAPHS...

CLASSIFICATION OF WELDING DEFECTS IN RADIOGRAPHS USING TRAVERSAL ... Liao, T. W. Automatic Identification of Different Types of Welding Defects in Radiographic Images.

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

Date added: December 30, 2011 - Views: 24

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Welding Defect Detection and Classification Using...

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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Welding Defect Detection by Segmentation of...

Welding Defect Detection by Segmentation of Radiographic Images Abdelhak Mahmoudi & Fakhita Regragui Faculty of sciences of Mohammed V Agdal University

http://www.researchgate.net/profile/Abdelhak_Mahmoudi/publication/224565551_Welding_Defect_Detection_by_Segmentation_of_Radiographic_Images/links/0deec53907694927f2000000.pdf

Date added: August 30, 2015 - Views: 1

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11 - Google Code

11.2 Defects in arc welding A list of weld defects and their causes is given in Table 11.1.Other defects

http://database-jurnalku.googlecode.com/files/Weld%20defects%20and%20quality%20control.pdf

Date added: October 17, 2012 - Views: 80

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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: 148

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An Intelligent System for Analysing Welding ...

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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Classification of Welding Defects in Radiographic ...

Classification of Welding Defects in Radiographic Images Using an Adaptive-Network-Based Fuzzy System Rafael Vilar1, Juan Zapata 2,andRam´on Ruiz

http://www.researchgate.net/profile/Rafael_Hernandez12/publication/221309178_Classification_of_Welding_Defects_in_Radiographic_Images_Using_an_Adaptive-Network-Based_Fuzzy_System/links/54c9f34b0cf2807dcc285812.pdf

Date added: August 30, 2015 - Views: 1

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A Review on Inspection of welding defects using...

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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DEFECT ASSESSMENT OF SPOT WELDS BY NDI A THESIS...

B. DIGITAL VIDEO MICROSCOPE IMAGES OF SPECIMENS .... 127 ... 2.2 TYPICAL DEFECTS DUE TO SPOT WELDING Defects inversly affects the quality of a spot weld.

http://etd.lib.metu.edu.tr/upload/4/1027382/index.pdf

Date added: April 1, 2012 - Views: 25

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Weld defect detection in industrial radiography...

Abstract—Industrial radiography is a famous ... The radiographic film images contain weld defects placed ... “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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Segmentation of Weld Defects in X-ray Image Based...

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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The Mechanisms of Formation of Weld Defects in...

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

https://app.aws.org/wj/supplement/WJ_1981_06_s104.pdf

Date added: April 21, 2015 - Views: 1

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WELDING DEFECT PATTERN RECOGNITION IN...

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

http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.96.3726&rep=rep1&type=pdf

Date added: December 17, 2011 - Views: 13

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A METHOD FOR DETECTION WELDING DEFECTS IN...

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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Automatic Defect Detection and Counting In...

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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Automatic Inspection System of Welding...

spection system of welding defects in radiographic images. In a first stage, image processing techniques, including noise

http://link.springer.com/content/pdf/10.1007/s10921-011-0118-4.pdf

Date added: August 30, 2015 - Views: 1

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APPLICATION OF ARTIFICIAL NEURAL NETWORKS TO...

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: 61

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Slag Inclusion Defects In Film Image Radiographic

Automatic identification of different types of welding defects in radiographic images ... Other defects, such as slag inclusion or incomplete fusion ...

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

Date added: November 8, 2014 - Views: 1

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A Fast Segmentation Method for Defects Detection...

A Fast Segmentation Method for Defects Detection in Radiographic Images of Welds Abdelhak Mahmoudi and Fakhita Regragui Faculty of sciences of Mohammed V Agdal University

http://www2.computer.org/portal/web/csdl/doi/10.1109/AICCSA.2009.5069430

Date added: August 30, 2015 - Views: 1

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Welding problems and defects – causes and...

Welding problems and defects – causes and remedies www.esab.com XA00152120 1039136_Welding faults_Engels.indd 1 16-02-11 14:34. Title:

http://www.esab.com/gb/en/support/upload/XA00152120-Welding-defects-february-2011.pdf

Date added: December 6, 2012 - Views: 19

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Noise Reduction of Welding Defect Image Based on...

X-ray welding images usually are polluted by Gaus-sian noise and little salt and pepper noise. Here two im-ages of different welding defects are taken as examples.

http://link.springer.com/content/pdf/10.1007%2Fs12209-014-2124-y.pdf

Date added: August 30, 2015 - 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 ... and the light welding defects. 6. For the visualization of the detected black

http://www.wseas.us/e-library/conferences/2011/Cambridge/NEHIPISIC/NEHIPISIC-22.pdf

Date added: April 25, 2012 - Views: 5

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Image Thresholding for Weld Defect Extraction in...

be done without the welding which offers undisputable ... The radiographic film images contain weld defects placed in background with different intensities.

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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TESTING AND INSPECTION OF - Gaziantep Üniversitesi

The welding inspector can utilize inspection visual inspection throughout the entire production cycle of a ... defects etc. Dr. Oğuzhan Yılmaz Welding Technology. 12

http://www1.gantep.edu.tr/~oyilmaz/Lecture%20Notes/ME%20473/Testing%20and%20Inspection%20of%20welds.pdf

Date added: September 27, 2012 - Views: 58

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The ABC's of Arc Welding and Inspection

Table 4.5 — Typical welding defects in gas metal arc welding of carbon steel and low-alloy steel Kinds of welding defects Causes of welding defects

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

Date added: March 20, 2014 - Views: 1

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Defects Introduced into Metals During Fabrication...

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: 76

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Use of finite state machines in segmentation of...

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://ebooks.spiedigitallibrary.org/data/Conferences/SPIEP/65480/0504_141.pdf

Date added: July 5, 2015 - Views: 1

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Automated Weld Defects Detection Using Image...

AUTOMATED WELD DEFECTS DETECTION USING IMAGE PROCESSING AND ... controlling different welding defects. ... of the images ca model is the eld defects lik ation, if any ca

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

Date added: March 5, 2015 - Views: 1

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Submerged Arc Welding - ESAB

joints will be burn-through or incomplete penetration, i.e. root defects. Submerged arc welding requires more expensive joint preparation than manual weld-ing.

http://www.esab.co.kr/Web-App/Upload/2012/04/05/SUBMERGED%20ARC%20WELDING.pdf

Date added: November 6, 2012 - Views: 26

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An Investigation in Image Retrieval for Analysing ...

Digital images of welding samples can be stored in the re-sulting repository, and retrieved for visualization and assess-ment. These images can be at least partially ...

http://eprints.hud.ac.uk/7667/1/info-09.pdf

Date added: August 30, 2015 - Views: 1

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Weld Defects in Austenitic Stainless Steel...

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 ...

https://app.aws.org/wj/supplement/WJ_1983_02_s45.pdf

Date added: May 21, 2015 - Views: 1

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Detection of Weld Defects in Radiography Films...

Detection of Weld Defects in Radiography Films Using Image Processing ! 2399!! Undercut occurs at the face of weld and according the standard, in both static and dynamic

http://dergi.cumhuriyet.edu.tr/cumuscij/article/download/5000121842/5000114496

Date added: August 30, 2015 - Views: 1

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Investigation of High-Power Fiber Laser Welding...

Investigation of High ... partially-penetrated welds without welding defects such ... The high-speed video observation pictures and the X-ray images of the welding

http://www.jwri.osaka-u.ac.jp/publication/trans-jwri/pdf/362-03.pdf

Date added: May 4, 2012 - Views: 4

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to the Typical Defects of Crystalline Photovoltaic...

Research to the Typical Defects of Crystalline Silicon Photovoltaic Cells based on EL Images Wang ... over welding, etc. Research the Typical Images of Defects

http://www.ijesci.org/Download.aspx?ID=7791

Date added: June 26, 2013 - Views: 1

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of defects in welds by inverse wave field...

of defects in welds by inverse wave field extrapolation ... to make images of the interior ... originated during the welding process. Thus, these are true defects.

http://www.tnw.tudelft.nl/fileadmin/Faculteit/TNW/Over_de_faculteit/Afdelingen/Imaging_Science_and_Technology/Research/Research_Groups/Acoustical_Imaging_and_Sound_Control/Publications/M.Sc._thesis/doc/Rolf_Baardman_thesis_MSc.pdf

Date added: April 24, 2012 - Views: 5

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Crack Defects Detection in Radiographic Weldment ...

detection in radiographic weldment images, this paper ... welding defects. Cracks in the weldments can be produced during the welding and using process. Not

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

Date added: December 22, 2014 - Views: 1

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Evaluation of the Relevant Features of Welding ...

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/mr/v6n3/a19v6n2.pdf

Date added: March 21, 2012 - Views: 9

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Expert Systems with Applications - Rutgers...

Expert Systems with Applications xxx ... Automatic identification of different types of welding defects in radiographic images. NDT and E International, 35(8), 519 ...

http://www.research.rutgers.edu/~dk598/downloads/comvis/eswa10/eswa10.pdf

Date added: October 3, 2014 - Views: 1

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How to Detect Laser- Weld Defects in Pacemaker...

has the form of a rounded rectangle and is manufactured by welding together ... The most frequent defects in pacemaker casings are ... Acoustic images depend on the ...

http://www.sonoscan.com/images/How_to_Detect_Laser_Weld_Defects_in_Pacemaker_Casings_TA_MDDI_Jan_2015.pdf

Date added: March 15, 2015 - Views: 2

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PM10680 Characterization of Welding Defects by...

Prakt.Metallogr.39 (2002)8 ©CarlHanserVerlag,München 1 da Silva’ R.R. et al.: Welding Defects / Schweißfehler Characterization of Welding Defects by Digital ...

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

Date added: November 26, 2013 - Views: 1

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SPIE84 - Wright State University

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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THE IMPACT OF THE INTERNAL WELDING DEFECTS ON THE...

images with at least one visible defect of varying cover-age were selected. ... The impact of the internal welding defects on the joint strength

http://www.tandfonline.com/doi/pdf/10.3846/1648-4142.2008.23.240-244

Date added: May 21, 2015 - Views: 1

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Microsoft PowerPoint - welding

FUNDAMENTALS OF WELDING 1. Overview of Welding Technology 2. The Weld Joints 3. Physics of Welding 4. Features of a Fusion Welded Joint ... • Welding Defects

http://www.egr.msu.edu/~pkwon/me477/welding.pdf

Date added: November 25, 2011 - Views: 349

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Chapter Weld Inspection and Repair -...

Identify various types of surface defects and ... To ensure sharp images on the film, ... If a weldment fails inspection, the welding

http://www.g-w.com/pdf/sampchap/9781605257938_ch18.pdf

Date added: February 27, 2013 - Views: 46