1-20 of 24
Keywords: image processing
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7735-2
... the building process it is only possible to control the liquid state of the melt pool. Monitoring of the melt pool typically involves image processing and comes with an associated computational cost. CPU-based systems are limited in the real-time field due to their slower response than their field-programmable...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7721-5
... of in-process data into 3D files and contributes to in-process monitoring and quality control of additively manufactured parts. additive manufacturing (AM) in-process monitoring optical data thermal (infrared) data layer-wise imaging powder bed fusion (PBF) image registration image processing file...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7721-5
...-throughput additive manufacturing. additive manufacturing powder bed fusion in situ monitoring image processing feature extraction defect detection graph-based segmentation quality assurance PROGRESS IN ADDITIVE MANUFACTURING 2020 193 STP 1637, 2022 / available online at www.astm.org / doi...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2006
ISBN-10: 0-8031-3405-3
ISBN: 978-0-8031-3405-8
... promoted-fignition oxygen carbon steel image processing standard testing Journal of ASTM International, Vol. 3, No. 4 Paper ID JAI13565 Available online at www.astm.org Terese Suvorovs,1 Nicholas R. Ward,1 Richard Wilson,2 and Theodore A. Steinberg3 Effect of Sample Geometry on Regression Rate...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2856-8
ISBN: 978-0-8031-2856-9
... imaging image processing image analysis photometric measurements evaluation Fred Lee,1 Behnam Pourdeyhimi,2 and Jack Martin 3 Comparative Study of Standard Weathering Test Methods Using Image Analysis Reference: Lee, F., Pourdeyhimi, B., and Martin, J. "Comparative Study of Standard Weathering Test...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1997
ISBN-10: 0-8031-2403-1
ISBN: 978-0-8031-2403-5
... deformation plastic deformation full-field strain measurement optical diffraction gratings optical measuring instruments strain tensor video imaging image processing Jaime F. Chrdenas-Garcia, ~Mason M. Wu,~ and Javad Hashemi j A REVIEW OF STRAIN MEASUREMENT TECHNIQUES USING THE GRID METHOD REFERENCE...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2027-3
ISBN: 978-0-8031-2027-3
... of the useful products needed for a complete environmental site characterizations. visualization image processing geomorphology geology digital elevation data Landsat TM magnetic data site characterization Kjell Wester 1 and Bengt Lunddn t Digital Elevation Data, Landsat TM and Magnetic Data...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2027-3
ISBN: 978-0-8031-2027-3
... (that is, image processing, geographic information system, database management system, hydrologic model, and visualization of results) is essential for operational use of ASCAS. The paper describes user-developed and commercial (modified for operational use) interfaces that must exist to enable the data exchange...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1994
ISBN-10: 0-8031-1878-3
ISBN: 978-0-8031-1878-2
... a technique, based on scanning electron microscopy and digital image processing, for obtaining two-dimensional digital images of actual portland cement particles in which all major phases are identified. By combining backscattered electron and X-ray images, an image segmented into the major cement phases may...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1993
ISBN-10: 0-8031-1484-2
ISBN: 978-0-8031-1484-5
..., it is often desirable to use automatic image analysis to save time and increase reproducibility. Because twin bands are so similar to grain boundaries, traditional image processing techniques cannot distinguish them. However, the techniques of artificial intelligence (AI) can be used to impart knowledge...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1992
ISBN-10: 0-8031-1471-0
ISBN: 978-0-8031-1471-5
... are discussed. remote sensing geographic information systems (GIS) image processing integration of remote sensing with GIS image-integrated GIS integration strategies Manfred Ehlers ~ Remote Sensingand GeographicInformation Systems: Image-IntegratedGeographic Information Systems REFERENCE: Ehlers...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1992
ISBN-10: 0-8031-1440-0
ISBN: 978-0-8031-1440-1
... This paper is concerned with a study of growing crack-tip behaviors in ductile materials using the hybrid experimental and numerical method by means of a computer image processing technique. Here, a displacement field near a crack tip is first measured by the image processing technique...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1421-4
ISBN: 978-0-8031-1421-0
... image processing technology could help develop a standard crack measure. This paper presents a standard crack density method using video images of pavement surfaces, which can be easily adopted by all fifty states for their network-level pavement management systems. The standard crack density can...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1421-4
ISBN: 978-0-8031-1421-0
... The feasibility of many old and new technologies that can be used in determining pavement condition have been investigated. These technologies include image processing, electromagnetic waves, nuclear, laser, spin-up/spin-down, eddy current, and ultrasonic waves. Various equipment in use...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1399-4
ISBN: 978-0-8031-1399-2
... processing. This paper outlines the major problems and limitations. video images RS-170 image processing image analysis stereology quantitative microscopy John C. Russ" USING RS.170 VIDEO IMAGES FOR QUANTITATIVE IMAGE ANALYSIS. REFERENCE: Russ, John C., "Using RS-170 Video Images...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1399-4
ISBN: 978-0-8031-1399-2
... Available image processing techniques can meet many of the needs for processing radiographs of materials. Low-contrast noisy images of materials can be processed by a sequence of operations which enhance signals that are otherwise barely discernible by eye. Trends in the background intensity can...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1399-4
ISBN: 978-0-8031-1399-2
... processing technique for computerized determination of grain and pore size distribution functions from microstructural images is discussed. The uses of video and computer systems for displaying, evaluating, and interpreting ultrasonic image data are presented. nondestructive evaluation image...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1399-4
ISBN: 978-0-8031-1399-2
... before and after image processing. Automatic image analysis was used to measure the grain size on actual microstructures as well as on standard grain size charts that had grain boundaries intentionally removed. ASTM G was measured by both planimetric and intercept methods. The grain size calculated...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-4478-4
ISBN: 978-0-8031-4478-1
... A set-up for automated measurement of damage thresholds on UV optical components is presented, being part of the EUREKA program “High Power Excimer Lasers”. It includes on-line monitoring of probe beam parameters as well as sample condition, using digital image processing techniques for both...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-1459-1
ISBN: 978-0-8031-1459-3
... An image-processing technique is presented for analyzing nonspherical particles in backlighted images of sprays. Focus discrimination is designed to accommodate not only the nonspherical shapes but also nonideal lighting conditions such as poor contrast and non-uniform shading. Additionally...