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Ultrafast electron experiments usually work with low-emittance few-electron pulsed beams. The structures are usually much larger than the (average) electron pulse size posing challenges to the resolution of simulations. We present the…

Accelerator Physics · Physics 2023-02-21 Jan Lautenschläger , Uwe Niedermayer

Stem cells, through their ability to produce daughter stem cells and differentiate into specialized cells, are essential in the growth, maintenance, and repair of biological tissues. Understanding the dynamics of cell populations in the…

Applications · Statistics 2026-02-02 Huyen Nguyen , Haim Bar , Zhiyi Chi , Vladimir Pozdnyakov

Cell imaging and analysis are fundamental to biomedical research because cells are the basic functional units of life. Among different cell-related analysis, cell counting and detection are widely used. In this paper, we focus on one common…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Haoyi Liang , Aijaz Naik , Cedric L. Williams , Jaideep Kapur , Daniel S. Weller

Every year millions of people die due to disease of Cancer. Due to its invasive nature it is very complex to cure even in primary stages. Hence, only method to survive this disease completely is via forecasting by analyzing the early…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Shivam Singh , Stuti Pathak

This paper introduces a novel framework for the automated tracking of cells, with a particular focus on the challenging situation of phase contrast microscopic videos. Our framework is based on a topology preserving variational segmentation…

Quantitative Methods · Quantitative Biology 2012-03-28 Michael Moeller , Martin Burger , Peter Dieterich , Albrecht Schwab

Cell segmentation in microscopy is a challenging problem, since cells are often asymmetric and densely packed. This becomes particularly challenging for extremely large images, since manual intervention and processing time can make…

Image and Video Processing · Electrical Eng. & Systems 2019-06-19 Mahsa Lotfollahi , Sebastian Berisha , Leila Saadatifard , Laura Montier , Jokubas Ziburkus , David Mayerich

We introduce CellSegmenter, a structured deep generative model and an amortized inference framework for unsupervised representation learning and instance segmentation tasks. The proposed inference algorithm is convolutional and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Luca D'Alessio , Mehrtash Babadi

Cell cell and cell matrix adhesions are fundamental in all multicellular organisms. They play a key role in cellular growth, differentiation, pattern formation and migration. Cell-cell adhesion is substantial in the immune response,…

Biological Physics · Physics 2019-05-30 Rita Ungai-Salanki , Beatrix Peter , Tamas Gerecsei , Norbert Orgovan , Robert Horvath , Balint Szabo

Counting cells in fluorescent microscopy is a tedious, time-consuming task that researchers have to accomplish to assess the effects of different experimental conditions on biological structures of interest. Although such objects are…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 R. Morelli , L. Clissa , M. Dalla , M. Luppi , L. Rinaldi , A. Zoccoli

Segmentation, or the outlining of objects within images, is a critical step in the measurement and analysis of cells within microscopy images. While improvements continue to be made in tools that rely on classical methods for segmentation,…

Quantitative Methods · Quantitative Biology 2024-03-15 Nodar Gogoberidze , Beth A. Cimini

A novel mechanism for cell differentiation is proposed, based on the dynamic clustering in a globally coupled chaotic system. A simple model with metabolic reaction, active transport of chemicals from media, and cell division is found to…

adap-org · Physics 2009-10-22 Kunihiko Kaneko , Tetsuya Yomo

Accurate cell segmentation is critical for biological and medical imaging studies. Although recent deep learning models have advanced this task, most methods are limited to generic cell segmentation, lacking the ability to differentiate…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Bisheng Wang , Jaime S. Cardoso , Lin Wu

Cells coexist together in colonies or as tissues. Their behaviour is controlled by an interplay between intercellular forces and biochemical regulation. We develop a simple model of the cell cycle, the fundamental regulatory network…

Biological Physics · Physics 2021-08-04 Jintao Li , Simon K. Schnyder , Matthew S. Turner , Ryoichi Yamamoto

Tracking all nuclei of an embryo in noisy and dense fluorescence microscopy data is a challenging task. We build upon a recent method for nuclei tracking that combines weakly-supervised learning from a small set of nuclei center point…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Peter Hirsch , Caroline Malin-Mayor , Anthony Santella , Stephan Preibisch , Dagmar Kainmueller , Jan Funke

Automatic cell segmentation in microscopy images works well with the support of deep neural networks trained with full supervision. Collecting and annotating images, though, is not a sustainable solution for every new microscopy database…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Youssef Dawoud , Julia Hornauer , Gustavo Carneiro , Vasileios Belagiannis

Cell and nucleus segmentation are fundamental tasks for quantitative bioimage analysis. Despite progress in recent years, biologists and other domain experts still require novel algorithms to handle increasingly large and complex real-world…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Thibaut Goldsborough , Ben Philps , Alan O'Callaghan , Fiona Inglis , Leo Leplat , Andrew Filby , Hakan Bilen , Peter Bankhead

We introduce and theoretically investigate a minimal particle-based model for a new class of active matter where particles exhibit directional, volume-conserving division in confinement while interacting sterically, mimicking cells in early…

Soft Condensed Matter · Physics 2024-10-01 Samantha R. Lish , Lukas Hupe , Ramin Golestanian , Philip Bittihn

This paper presents a new deep regression model, which we call DeepDistance, for cell detection in images acquired with inverted microscopy. This model considers cell detection as a task of finding most probable locations that suggest cell…

Computer Vision and Pattern Recognition · Computer Science 2019-08-30 Can Fahrettin Koyuncu , Gozde Nur Gunesli , Rengul Cetin-Atalay , Cigdem Gunduz-Demir

To understand dynamic developmental processes, living tissues must be imaged frequently and for extended periods of time. Root development is extensively studied at cellular resolution to understand basic mechanisms underlying pattern…

Tissues and Organs · Quantitative Biology 2015-03-13 Giovanni Sena , Zak Frentz , Kenneth D. Birnbaum , Stanislas Leibler

In this paper, we propose a new approach for building cellular automata to solve real-world segmentation problems. We design and train a cellular automaton that can successfully segment high-resolution images. We consider a colony that…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Mark Sandler , Andrey Zhmoginov , Liangcheng Luo , Alexander Mordvintsev , Ettore Randazzo , Blaise Agúera y Arcas
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