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Realizing high-throughput aberration-corrected Scanning Transmission Electron Microscopy (STEM) exploration of atomic structures requires rapid tuning of multipole probe correctors while compensating for the inevitable drift of the optical…

Machine Learning · Computer Science 2026-01-28 Utkarsh Pratiush , Austin Houston , Richard Liu , Gerd Duscher , Sergei Kalinin

Radio interferometry is an observational technique used to study astrophysical phenomena. Data gathered by an interferometer requires substantial processing before astronomers can extract the scientific information from it. Data processing…

Instrumentation and Methods for Astrophysics · Physics 2024-12-24 Brian M. Kirk , Urvashi Rau , Ramyaa Ramyaa

Synthetic aperture sonar (SAS) requires precise positional and environmental information to produce well-focused output during the image reconstruction step. However, errors in these measurements are commonly present resulting in defocused…

Image and Video Processing · Electrical Eng. & Systems 2021-08-02 Isaac Gerg , Vishal Monga

Tapping mode atomic force microscopy (AFM), also known as amplitude modulated (AM) or AC mode, is a proven, reliable and gentle imaging mode with widespread applications. Over the several decades that tapping mode has been in use,…

Mesoscale and Nanoscale Physics · Physics 2017-09-07 Marta Kocun , Aleksander Labuda , Waiman Meinhold , Irene Revenko , Roger Proksch

Ever increasing hardware capabilities and computation powers have made acquisition and analysis of big scientific data at the nanoscale routine, though much of the data acquired often turns out to be redundant, noisy, and/or irrelevant to…

Materials Science · Physics 2020-08-04 Boyuan Huang , Ehsan Nasr Esfahani , Jiangyu Li

We present the development of an automated scanning probe microscopy (SPM) measurement system using an advanced large-scale language model (LLM). This SPM system can receive instructions via social networking services (SNS), and the…

Applied Physics · Physics 2024-05-27 Zhuo Diao , Hayato Yamashita , Masayuki Abe

In x-ray microscopy, traditional raster-scanning techniques are used to acquire a microscopic image in a series of step-scans. Alternatively, scanning the x-ray probe along a continuous path, called a fly-scan, reduces scan time and…

Image and Video Processing · Electrical Eng. & Systems 2025-09-23 Yu Lu , Thomas F. Lynn , Ming Du , Zichao Di , Sven Leyffer

With the proposal of the Segment Anything Model (SAM), fine-tuning SAM for medical image segmentation (MIS) has become popular. However, due to the large size of the SAM model and the significant domain gap between natural and medical…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Jinfeng Wang , Sifan Song , Xinkun Wang , Yiyi Wang , Yiyi Miao , Jionglong Su , S. Kevin Zhou

The determination of the contact area is a key step to derive mechanical properties such as hardness or an elastic modulus by instrumented indentation testing. Two families of procedures are dedicated to extracting this area: on the one…

Materials Science · Physics 2016-08-14 L. Charleux , V. Keryvin , M. Nivard , J. -P. Guin , J. -C. Sanglebœuf , Y. Yokoyama

Machine learning (ML) has become critical for post-acquisition data analysis in (scanning) transmission electron microscopy, (S)TEM, imaging and spectroscopy. An emerging trend is the transition to real-time analysis and closed-loop…

This tutorial provides an in-depth guide on inference-time guidance and alignment methods for optimizing downstream reward functions in diffusion models. While diffusion models are renowned for their generative modeling capabilities,…

Artificial Intelligence · Computer Science 2025-01-22 Masatoshi Uehara , Yulai Zhao , Chenyu Wang , Xiner Li , Aviv Regev , Sergey Levine , Tommaso Biancalani

Sub-sampling is a common and often effective method to deal with the computational challenges of large datasets. However, for most statistical models, there is no well-motivated approach for drawing a non-uniform subsample. We show that the…

Machine Learning · Statistics 2017-09-07 Daniel Ting , Eric Brochu

In computer vision, fine-tuning is the de-facto approach to leverage pre-trained vision models to perform downstream tasks. However, deploying it in practice is quite challenging, due to adopting parameter inefficient global update and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Xing Nie , Bolin Ni , Jianlong Chang , Gaomeng Meng , Chunlei Huo , Zhaoxiang Zhang , Shiming Xiang , Qi Tian , Chunhong Pan

Self-supervised learning (SSL) has emerged as a promising paradigm for addressing the annotation bottleneck in medical imaging by learning representations from unlabeled data. However, its effectiveness depends heavily on the design of the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Chathura Wimalasiri

Transcranial magnetic stimulation (TMS) is a noninvasive medical procedure that can modulate brain activity, and it is widely used in neuroscience and neurology research. Compared to manual operators, robots may improve the outcome of TMS…

The objective of this work is to explore how to effectively and efficiently adapt pre-trained visual foundation models to various downstream tasks of semantic segmentation. Previous methods usually fine-tuned the entire networks for each…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Lingbo Liu , Jianlong Chang , Bruce X. B. Yu , Liang Lin , Qi Tian , Chang-Wen Chen

The Segment Anything Model (SAM) has demonstrated strong performance in image segmentation of natural scene images. However, its effectiveness diminishes markedly when applied to specific scientific domains, such as Scanning Probe…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Yao Shen , Ziwei Wei , Chunmeng Liu , Shuming Wei , Qi Zhao , Kaiyang Zeng , Guangyao Li

Laser machining is a highly flexible non-contact manufacturing technique that has been employed widely across academia and industry. Due to nonlinear interactions between light and matter, simulation methods are extremely crucial, as they…

Computational Engineering, Finance, and Science · Computer Science 2023-01-04 Razyeh Behbahani , Hamidreza Yazdani Sarvestani , Erfan Fatehi , Elham Kiyani , Behnam Ashrafi , Mikko Karttunen , Meysam Rahmat

Scattering scanning near-field optical microscopy (s-SNOM) is a powerful technique for mid-infrared spectroscopy at nanometer length scales. By investigating objects in aqueous environments through ultrathin membranes, s-SNOM has recently…

Scanning transmission electron microscopy (STEM) is an extremely versatile method for studying materials on the atomic scale. Many STEM experiments are supported or validated with electron scattering simulations. However, using the…