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quantitative image analysis

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Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003758
EISBN: 978-1-62708-177-1
... Abstract This article reviews the essential parts of the complex process of quantitative image analysis to assist automatic image analysis in laboratories. It describes the basic difference between the bias of classical manual stereological analysis and quantitative image analysis. The article...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001237
EISBN: 978-1-62708-170-2
... Abstract Quantitative image analysis has expanded the capabilities of surface analysis significantly with the use of computer technology. This article provides an overview of the quantitative image analysis and optical microscopy. It describes the various steps involved in surface preparation...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006096
EISBN: 978-1-62708-175-7
... distributions. Common particle size measuring techniques discussed in this article include sieve analysis, quantitative image analysis, laser diffraction, sedimentation methods, aerodynamic time-of-flight method, electrical zone sensing, and photon correlation spectroscopy. The advantages and disadvantages...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003757
EISBN: 978-1-62708-177-1
... Abstract This article reviews the main theoretical and practical aspects of sequence normally followed in digital image-acquisition, processing, analysis, and output for material characterization. It discusses the main methods of digital imaging, image processing, and analysis, as applied...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003755
EISBN: 978-1-62708-177-1
..., and contrast enhancement. In addition, powerful software packages are available for quantitative image analysis, including the measurement of size distributions, shape factors, and modal analysis of the phases present ( Ref 18 ). Special Instrumentation and Accessory Equipment Scanning Electron Microscopy...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006682
EISBN: 978-1-62708-213-6
.... The development of image analysis equipment began in the late 1960s, but computer systems were not technically advanced at that time. The history of quantitative metallography is not long, but its use has become very important. Although the fundamental relationships for stereology, the foundation...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006683
EISBN: 978-1-62708-213-6
... is sometimes called an add-on, macro-, or broad-beam instrument, intended primarily for surface analysis and qualitative depth profiling and less so for quantitative elemental analysis, microanalysis, and imaging. It is seldom a dedicated unit but rather a set of components often used in conjunction...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001774
EISBN: 978-1-62708-178-8
... graphically illustrates the SIMS spectra and depth profiles of various materials. The quantitative analysis of ion-implantation profiles, instrumental features required for secondary ion imaging, the analysis of nonmetallic samples, detection sensitivity, and the applications of SIMS are also discussed...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006567
EISBN: 978-1-62708-290-7
... and the difficulty in collecting enough SEM images to obtain a statistically representative sample of powder provides justification for the use of automated image analysis methods to obtain quantitative morphological data. Quantitative To establish quantitative particle morphology data, image analysis...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003252
EISBN: 978-1-62708-199-3
... The scanning electron microscope provides a valuable combination of high resolution imaging, elemental analysis, and recently, crystallographic analysis: Imaging of features as small as ∼10 nm or less, roughly 100 times smaller than can be seen with light microscopes Imaging of rough surfaces...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001755
EISBN: 978-1-62708-178-8
... analyzers metallography microscopy microstructure quantitative determination sample preparation Overview Introduction Image analysis minimizes the influence of operator fatigue, which reduces the accuracy and reproducibility of manual measurements. In addition, although microstructural...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006770
EISBN: 978-1-62708-295-2
... for failure analysis, qualitative results are adequate, but the method can determine quantitative elemental compositions to a precision of 0.01 wt% with relative accuracies of ±5%, depending on the specific material, type of x-ray detector used, the method of data analysis employed, and, as always, the skill...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
..., the distinguishing alloying additions are low and the overlapping tensile requirements make hardness values inconclusive. Quantitative versus Qualitative Bulk Chemical Analysis When performing bulk chemical analysis, it is important to discern whether the technique being employed is considered quantitative...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001837
EISBN: 978-1-62708-181-8
.... The mathematical relationships developed in quantitative stereology are described in the article “Quantitative Image Analysis” and “Quantitative Characterization and Representation of Global Microstructural Geometry” in Volume 9 of ASM Handbook . Knowing the roughness parameters enables simple...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
.... Development of the scanning electron microscope (SEM), and more recently, of powerful digital image analysis equipment, has led to significant advances in quantitative fractography. Numerous quantitative correlations between the material properties such as strength, ductility, toughness, and fatigue life...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001768
EISBN: 978-1-62708-178-8
... microanalysis energy-dispersive X-ray spectrometers microbeam analysis qualitative analysis quantitative analysis scanning electron microscopes wavelength-dispersive X-ray fluorescence spectroscopy Overview Introduction Metallurgy has for many years combined chemical analysis on a macroscopic...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006126
EISBN: 978-1-62708-175-7
... probe X-ray microanalysis inductively coupled plasma atomic emission spectroscopy ion-scattering spectroscopy material characterization microanalysis powders quantitative analysis scanning electron microscopy surface analysis X-ray photoelectron spectroscopy X-ray powder diffraction BULK...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006678
EISBN: 978-1-62708-213-6
... and the characteristic sample dimensions from which this information is obtained. When classified by the types of information they obtain, techniques are often classified as: Elemental: What elements are present (qualitative elemental analysis)? In what concentration is each element present (quantitative...
Image
Published: 15 December 2019
Fig. 18 Same area as Fig. 17 , but after quantitative analysis on a pixel-by-pixel basis with color encoding using logarithmic three-band color encoding, enabling direct comparison of concentration levels among the three constituents. Note the elimination of false contrast in the iron image. More
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006638
EISBN: 978-1-62708-213-6
... spectrometry for electron probe microanalysis. Key concepts for performing qualitative analysis and quantitative analysis by electron-excited X-ray spectrometry are then presented. Several sources that lead to measurement uncertainties in the k-ratio/matrix corrections protocol are provided, along...