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Related papers: Computer Vision-aided Atom Tracking in STEM Imagin…

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Moving object detection and tracking have various applications, including surveillance, anomaly detection, vehicle navigation, etc. The literature on object detection and tracking is rich enough, and several essential survey papers exist.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Ajoy Mondal

Sub-micrometer scale light patterns play a pivotal role in various fields, including biology, biophysics, and AMO physics. High-resolution, in situ observation of light profiles is essential for their design and application. However,…

Creating computer vision datasets requires careful planning and lots of time and effort. In robotics research, we often have to use standardized objects, such as the YCB object set, for tasks such as object tracking, pose estimation,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Kenneth Blomqvist , Jen Jen Chung , Lionel Ott , Roland Siegwart

Scanning tunneling and atomic force microscopies (STM/nc-AFM) are rapidly progressing to offer unprecedented spatial resolution of a diverse array of chemical species. In particular, they are employed to characterize on-surface chemical…

Mesoscale and Nanoscale Physics · Physics 2022-05-12 Jack Hellerstedt , Aleš Cahlík , Martin Švec , Oleksandr Stetsovych , Tyler Hennen

With the advent of atomic-resolution transmission electron microscopy (AR-TEM) achieving sub-{\AA}ngstrom image resolution and submillisecond time resolution, an era of visual molecular science where chemists can visually study the time…

Materials Science · Physics 2022-07-06 Junfei Xing , Keishi Takeuchi , Ko Kamei , Takayuki Nakamuro , Koji Harano , Eiichi Nakamura

Particle tracking is a powerful biophysical tool that requires conversion of large video files into position time series, i.e. traces of the species of interest for data analysis. Current tracking methods, based on a limited set of input…

Quantitative Methods · Quantitative Biology 2018-10-09 Jay M. Newby , Alison M. Schaefer , Phoebe T. Lee , M. Gregory Forest , Samuel K. Lai

Previous attempts at segmenting molecular line maps of molecular clouds have focused on using position-position-velocity data cubes of a single line to separate the spatial components of the cloud. In contrast, wide field spectral imaging…

We demonstrate a combined magneto-optical trap and imaging system that is suitable for the investigation of cold atoms near surfaces. In particular, we are able to trap atoms close to optically scattering surfaces and to image them with an…

Atomic Physics · Physics 2011-01-04 Hamid Ohadi , Matthew Himsworth , André Xuereb , Tim Freegarde

Holograms of colloidal particles can be analyzed with the Lorenz-Mie theory of light scattering to measure individual particles' three-dimensional positions with nanometer precision while simultaneously estimating their sizes and refractive…

Soft Condensed Matter · Physics 2018-07-04 Mark D. Hannel , Aidan Abdulali , Michael O'Brien , David G. Grier

Scientists use imaging to identify objects of interest and infer properties of these objects. The locations of these objects are often measured with error, which when ignored leads to biased parameter estimates and inflated variance.…

Scanning tunnelling microscopy (STM) with a functionalized tip apex reveals the geometric and electronic structure of a sample within the same experiment. However, the complex nature of the signal makes images difficult to interpret and has…

Materials Science · Physics 2023-12-18 Lauri Kurki , Niko Oinonen , Adam S. Foster

The ability to probe and control matter at the picometer scale is essential for advancing quantum and energy technologies. Scanning transmission electron microscopy offers powerful capabilities for materials analysis and modification, but…

Mesoscale and Nanoscale Physics · Physics 2025-07-01 Kevin M. Roccapriore , Frances M. Ross , Julian Klein

Automatic detection and segmentation of cells and nuclei in microscopy images is important for many biological applications. Recent successful learning-based approaches include per-pixel cell segmentation with subsequent pixel grouping, or…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Uwe Schmidt , Martin Weigert , Coleman Broaddus , Gene Myers

A multiple model track-before-detect (TBD) particle filter-based approach for detection and tracking of low signal to noise ratio (SNR) objects based on a sequence of image frames in the presence of noise and clutter is briefly studied in…

Image and Video Processing · Electrical Eng. & Systems 2023-11-14 Reza Rezaie

Researchers and robotic development groups have recently started paying special attention to autonomous mobile robot navigation in indoor environments using vision sensors. The required data is provided for robot navigation and object…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-05-04 Qazwan Abdullah , Nor Shahida Mohd Shah , Mahathir Mohamad , Muaammar Hadi Kuzman Ali , Nabil Farah , Adeb Salh , Maged Aboali , Mahmod Abd Hakim Mohamad , Abdu Saif

This paper demonstrates particle tracking velocimetry performed for a model system wherein particle-laden liquid metal flow about a cylindrical obstacle was studied. We present the image processing methodology developed for particle…

Tracking has traditionally been the art of following interest points through space and time. This changed with the rise of powerful deep networks. Nowadays, tracking is dominated by pipelines that perform object detection followed by…

Computer Vision and Pattern Recognition · Computer Science 2020-08-24 Xingyi Zhou , Vladlen Koltun , Philipp Krähenbühl

Machine Learning (ML) techniques are revolutionizing the way to perform efficient materials modeling. Nevertheless, not all the ML approaches allow for the understanding of microscopic mechanisms at play in different phenomena. To address…

Materials Science · Physics 2022-06-22 Udaykumar Gajera , Loriano Storchi , Danila Amoroso , Francesco Delodovici , Silvia Picozzi

Over the last decade, scanning transmission electron microscopy (STEM) has emerged as a powerful tool for probing atomic structures of complex materials with picometer precision, opening the pathway toward exploring ferroelectric,…

Data Analysis, Statistics and Probability · Physics 2021-12-23 Ayana Ghosh , Christopher T. Nelson , Mark Oxley , Xiaohang Zhang , Maxim Ziatdinov , Ichiro Takeuchi , Sergei V. Kalinin

The visual observation and tracking of cells and other micrometer-sized objects has many different biomedical applications. The automation of those tasks based on computer methods helps in the evaluation of such measurements. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2014-12-04 Alexandra Heidsieck