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Motivation: Cryo-Electron Tomography (cryo-ET) is a 3D bioimaging tool that visualizes the structural and spatial organization of macromolecules at a near-native state in single cells, which has broad applications in life science. However,…

Quantitative Methods · Quantitative Biology 2021-07-28 Xuefeng Du , Haohan Wang , Zhenxi Zhu , Xiangrui Zeng , Yi-Wei Chang , Jing Zhang , Min Xu

Morphological profiling is a valuable tool in phenotypic drug discovery. The advent of high-throughput automated imaging has enabled the capturing of a wide range of morphological features of cells or organisms in response to perturbations…

We examine a general framework for visualizing datasets of high (> 2) dimensionality, and demonstrate it using the morphology of galaxies at moderate redshifts. The distributions of various populations of such galaxies are examined in a…

Astrophysics · Physics 2007-05-23 A. Naim , K. U. Ratnatunga , R. E. Griffiths

Atom probe tomography (APT) is a burgeoning characterization technique that provides compositional mapping of materials in three-dimensions at near-atomic scale. Since its significant expansion in the past 30 years, we estimate that one…

Materials Science · Physics 2025-04-22 Yue Li , Ye Wei , Alaukik Saxena , Markus Kühbach , Christoph Freysoldt , Baptiste Gault

We present a new Python pipeline for processing data from astronomical long-slit spectroscopy observations recorded with CCD detectors. The pipeline is designed to aim for simplicity, manual execution, transparency and robustness. The goal…

Instrumentation and Methods for Astrophysics · Physics 2025-04-02 Kostas Valeckas , Johan Peter Uldall Fynbo , Jens-Kristian Krogager , Kasper Elm Heintz

Affine image registration is a cornerstone of medical image analysis. While classical algorithms can achieve excellent accuracy, they solve a time-consuming optimization for every image pair. Deep-learning (DL) methods learn a function that…

Image and Video Processing · Electrical Eng. & Systems 2024-07-15 Malte Hoffmann , Andrew Hoopes , Douglas N. Greve , Bruce Fischl , Adrian V. Dalca

In recent years many works have shown that unsupervised Machine Learning (ML) can help detect unusual objects and uncover trends in large astronomical datasets, but a few challenges remain. We show here, for example, that different methods,…

Instrumentation and Methods for Astrophysics · Physics 2019-11-19 Itamar Reis , Michael Rotman , Dovi Poznanski , J. Xavier Prochaska , Lior Wolf

We have designed and implemented a novel way to process wide-field astronomical data within a distributed environment of hardware resources and humanpower. The system is characterized by integration of archiving, calibration, and…

Instrumentation and Methods for Astrophysics · Physics 2011-10-17 J. P. McFarland , G. Verdoes-Kleijn , G. Sikkema , E. M. Helmich , D. R. Boxhoorn , E. A. Valentijn

High-volume feature-rich data sets are becoming the bread-and-butter of 21st century astronomy but present significant challenges to scientific discovery. In particular, identifying scientifically significant relationships between sets of…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 Matthew J. Graham , S. G. Djorgovski , Ashish A. Mahabal , Ciro Donalek , Andrew J. Drake

Over the past 30 years, numerous large-scale photometric astronomical surveys have been conducted, including SDSS, Pan-STARRS, Gaia,2MASS, WISE, and others. These surveys provide extensive photometric measurements that can be used to infer…

Instrumentation and Methods for Astrophysics · Physics 2025-11-03 Mateusz Kapusta

Machine learning (ML) for diagnosis of thyroid nodules on ultrasound is an active area of research. However, ML tools require large, well-labelled datasets, the curation of which is time-consuming and labor-intensive. The purpose of our…

Image and Video Processing · Electrical Eng. & Systems 2023-05-05 Jikai Zhang , Maciej M. Mazurowski , Brian C. Allen , Benjamin Wildman-Torbiner

Structural properties posses valuable information about the formation and evolution of galaxies, and are important for understanding the past, present, and future universe. Here we use unsupervised machine learning methodology to analyze a…

Instrumentation and Methods for Astrophysics · Physics 2015-05-26 Andrew Schutter , Lior Shamir

The exponential growth of astronomical datasets provides an unprecedented opportunity for humans to gain insight into the Universe. However, effectively analyzing this vast amount of data poses a significant challenge. Astronomers are…

Instrumentation and Methods for Astrophysics · Physics 2024-05-20 Mingxiang Fu , Yu Song , Jiameng Lv , Liang Cao , Peng Jia , Nan Li , Xiangru Li , Jifeng Liu , A-Li Luo , Bo Qiu , Shiyin Shen , Liangping Tu , Lili Wang , Shoulin Wei , Haifeng Yang , Zhenping Yi , Zhiqiang Zou

Detecting and analyzing the local environment is crucial for investigating the dynamical processes of crystal nucleation and shape colloidal particle self-assembly. Recent developments in machine learning provide a promising avenue for…

Soft Condensed Matter · Physics 2023-12-20 Shih-Kuang , Lee , Sun-Ting Tsai , Sharon Glotzer

We present results from the first geological field tests of the `Cyborg Astrobiologist', which is a wearable computer and video camcorder system that we are using to test and train a computer-vision system towards having some of the…

Machine learning-based interatomic potentials and force fields depend critically on accurate atomic structures, yet such data are scarce due to the limited availability of experimentally resolved crystals. Although atomic-resolution…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Yaotian Yang , Yiwen Tang , Yizhe Chen , Xiao Chen , Jiangjie Qiu , Hao Xiong , Haoyu Yin , Zhiyao Luo , Yifei Zhang , Sijia Tao , Wentao Li , Qinghua Zhang , Yuqiang Li , Wanli Ouyang , Bin Zhao , Xiaonan Wang , Fei Wei

This project outlines the complete development of a variable star classification algorithm methodology. With the advent of Big-Data in astronomy, professional astronomers are left with the problem of how to manage large amounts of data, and…

Instrumentation and Methods for Astrophysics · Physics 2020-09-01 Kyle Burton Johnston

The synchrotron light source, a cutting-edge large-scale user facility, requires autonomous synchrotron beamline operations, a crucial technique that should enable experiments to be conducted automatically, reliably, and safely with minimum…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Baolu Li , Hongkai Yu , Huiming Sun , Jin Ma , Yuewei Lin , Lu Ma , Yonghua Du

The increased need in pointing performance for Earth observation and science Space missions together with the use of lighter and flexible structures directly come with the need of a robust pointing performance budget from the very beginning…

Systems and Control · Electrical Eng. & Systems 2022-10-25 Francesco Sanfedino , Gabriel Thiébaud , Daniel Alazard , Nicola Guercio , Nicolas Deslaef

Modern TEM instrumentation can probe a wide range of structural, optical, and chemical properties with unprecedented resolution. However, each of these properties must be recorded in independent datasets using different detector modes with…

Materials Science · Physics 2023-01-16 Thomas Thersleff , Cheuk-Wai Tai
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