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Related papers: Towards Automated Petrography

200 papers

Deep subsurface exploration is important for mining, oil and gas industries, as well as in the assessment of geological units for the disposal of chemical or nuclear waste, or the viability of geothermal energy systems. Typically, detailed…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Romana Boiger , Sergey V. Churakov , Ignacio Ballester Llagaria , Georg Kosakowski , Raphael Wüst , Nikolaos I. Prasianakis

Electron ptychography provides highly sensitive, dose efficient phase images which can be corrected for aberrations after the data has been acquired. This is crucial when very precise quantification is required, such as with sensitivity to…

Materials Science · Physics 2023-07-27 Christoph Hofer , Timothy J. Pennycook

Birefringence, an inherent characteristic of optically anisotropic materials, is widely utilized in various imaging applications ranging from material characterizations to clinical diagnosis. Polarized light microscopy enables…

Atom probe tomography (APT) is ideally suited to characterize and understand the interplay of chemical segregation and microstructure in modern multicomponent materials. Yet, the quantitative analysis typically relies on human expertise to…

Automated rock classification from mineral composition presents a significant challenge in geological applications, with critical implications for material recycling, resource management, and industrial processing. While existing methods…

Computational Engineering, Finance, and Science · Computer Science 2025-10-17 Iye Szin Ang , Martin Johannes Findl , Elisabeth Hauzinger , Klaus Philipp Sedlazeck , Jyrki Savolainen , Ronald Bakker , Robert Galler , Elmar Rueckert

Four-dimensional scanning transmission electron microscopy (4D-STEM) provides rich, atomic-scale insights into materials structures. However, extracting specific physical properties - such as polarization directions essential for…

A deep learning model is employed to address the challenging problem of V2O5 nanoparticle segmentation and the correlation between the chemical composition and the geometrical features of lithiated V2O5 nanoparticles as an exemplar of a…

Lock-in Thermography (LIT) is a type of Infrared Thermography (IRT) that can be used as a useful non-destructive testing (NDT) technique for the detection of subsurface anomalies in objects. Currently, LIT fails to estimate the thickness at…

Applied Physics · Physics 2019-03-08 Xiao Tian , Meng Yuan Yin , Kok Hin Henry Goh

Ptychography is a powerful imaging technique that is used in a variety of fields, including materials science, biology, and nanotechnology. However, the accuracy of the reconstructed ptychography image is highly dependent on the accuracy of…

Applied Physics · Physics 2024-06-03 Ming Du , Tao Zhou , Junjing Deng , Daniel J. Ching , Steven Henke , Mathew J. Cherukara

*To be published in Springer Handbook of Surface Science (Springer Verlag) [Preprint]* The capability to display images containing chemical, magnetic and structural information and to perform spectroscopy and diffraction from a {\mu}m-sized…

Mesoscale and Nanoscale Physics · Physics 2018-12-06 Alessandro Sala

X-ray micro-computed tomography (X-ray micro-CT) is widely employed to investigate flow phenomena in porous media, providing a powerful alternative to core-scale experiments for estimating traditional petrophysical properties such as…

Geologic cores are rock samples that are extracted from deep under the ground during the well drilling process. They are used for petroleum reservoirs' performance characterization. Traditionally, physical studies of cores are carried out…

Machine Learning · Computer Science 2022-11-29 Zangir Iklassov , Dmitrii Medvedev , Otabek Nazarov , Shakhboz Razzokov

The electrostatic charge density of particles is of paramount importance for the control of the dispersion stability. Conventional methods use potentiometric, conductometric or turbidity titration but require large amount of samples. Here…

Materials Science · Physics 2021-09-21 F. Mousseau , L. Vitorazi , L. Herrmann , S. Mornet , J. -F. Berret

Addressing Lidar Panoptic Segmentation (LPS ) is crucial for safe deployment of autonomous vehicles. LPS aims to recognize and segment lidar points w.r.t. a pre-defined vocabulary of semantic classes, including thing classes of countable…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Anirudh S Chakravarthy , Meghana Reddy Ganesina , Peiyun Hu , Laura Leal-Taixe , Shu Kong , Deva Ramanan , Aljosa Osep

Polarimetric studies of light transmitted through interstellar clouds may give constraints on the properties of the interstellar dust grains. Traditionally, broadband linear polarisation (BBLP) measurements have been considered an important…

Volumetric crystal structure indexing and orientation mapping are key data processing steps for virtually any quantitative study of spatial correlations between the local chemistry and the microstructure of a material. For electron and…

Computational Physics · Physics 2020-09-03 Markus Kühbach , Matthew Kasemer , Baptiste Gault , Andrew Breen

Porous materials are relevant for a broad range of technologies from catalysis and filtration, to tissue engineering and lightweight structures. Controlling the porosity of these materials over multiple length scales often leads to enticing…

Soft Condensed Matter · Physics 2021-08-10 Nicole Kleger , Clara Minas , Patrick Bosshard , Iacopo Mattich , Kunal Masania , André R. Studart

The main scientific characteristic of VIMOS (VIsible Multi Object Spectrograph, to be placed on ESO Very Large Telescope) is its high multiplexing capability, allowing astronomers to obtain up to 800 spectra per exposure. To fully exploit…

Astrophysics · Physics 2007-05-23 Dario Bottini , Bianca Garilli , Laurence Tresse

Manual interpretation of data collected from drill holes for mineral or oil and gas exploration is time-consuming and subjective. Identification of geological boundaries and distinctive rock physical property domains is the first step of…

Geophysics · Physics 2020-02-19 Ayham Zaitouny , Michael Small , June Hill , Irina Emelyanova , M. Ben Clennell