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Gravitational lensing is brightening of background objects due to deflection of light by foreground sources. Rich clusters of galaxies are very effective lenses because they are centrally concentrated. Such natural Gravitational Telescopes…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-19 Margarita Safonova

This paper proposes a novel framework for fluorescence plant video processing. The plant research community is interested in the leaf-level photosynthetic analysis within a plant. A prerequisite for such analysis is to segment all leaves,…

Computer Vision and Pattern Recognition · Computer Science 2017-05-10 Xi Yin , Xiaoming Liu , Jin Chen , David M. Kramer

An interferometric fluorescent microscope and a novel theoretic image reconstruction approach were developed and used to obtain super-resolution images of live biological samples and to enable dynamic real time tracking. The tracking…

As digital medical imaging becomes more prevalent and archives increase in size, representation learning exposes an interesting opportunity for enhanced medical decision support systems. On the other hand, medical imaging data is often…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Eduardo Pinho , Carlos Costa

Biological cells, by definition, are the basic units which contain the fundamental molecules of life of which all living things are composed. Understanding how they function and differentiating cells from one another therefore is of…

Signal Processing · Electrical Eng. & Systems 2021-01-07 Hassan Raji , Muhammad Tayyab , Jianye Sui , Seyed Reza Mahmoodi , Mehdi Javanmard

Microscopy enables direct observation of cellular morphology in 3D, with transmitted-light methods offering low-cost, minimally invasive imaging and fluorescence microscopy providing specificity and contrast. Virtual staining combines these…

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

Purpose: In conventional fluoroscopy-guided interventions, the 2D projective nature of X-ray imaging limits depth perception and leads to prolonged radiation exposure. Virtual fluoroscopy, combined with spatially tracked surgical…

Image and Video Processing · Electrical Eng. & Systems 2025-05-22 Shuwei Xing , Inaara Ahmed-Fazal , Utsav Pardasani , Uditha Jayarathne , Scott Illsley , Aaron Fenster , Terry M. Peters , Elvis C. S. Chen

Our work targets automated analysis to quantify the growth dynamics of a population of bacilliform bacteria. We propose an innovative approach to frame-sequence tracking of deformable-cell motion by the automated minimization of a new,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Sorena Sarmadi , James J. Winkle , Razan N. Alnahhas , Matthew R. Bennett , Krešimir Josić , Andreas Mang , Robert Azencott

Modern methods often formulate the counting of cells from microscopic images as a regression problem and more or less rely on expensive, manually annotated training images (e.g., dot annotations indicating the centroids of cells or…

Image and Video Processing · Electrical Eng. & Systems 2021-05-18 Xin Ding , Qiong Zhang , William J. Welch

In this work we propose an approach to select the classification method and features, based on the state-of-the-art, with best performance for diagnostic support through peripheral blood smear images of red blood cells. In our case we used…

Machine Learning · Computer Science 2020-10-12 Nataša Petrović , Gabriel Moyà-Alcover , Antoni Jaume-i-Capó , Manuel González-Hidalgo

Machine learning techniques can reveal hidden structure in large data amounts and can potentially extent or even replace analytical scientific methods. In nanophotonics, modes can increase the light yield from emitters located inside the…

Optics · Physics 2018-10-02 Carlo Barth , Christiane Becker

In recent years, significant progress has been made in developing more accurate and efficient machine learning algorithms for segmentation of medical and natural images. In this review article, we highlight the imperative role of machine…

Image and Video Processing · Electrical Eng. & Systems 2019-11-07 Hyunseok Seo , Masoud Badiei Khuzani , Varun Vasudevan , Charles Huang , Hongyi Ren , Ruoxiu Xiao , Xiao Jia , Lei Xing

Machine learning methods have revolutionized the discovery process of new molecules and materials. However, the intensive training process of neural networks for molecules with ever-increasing complexity has resulted in exponential growth…

Emerging Technologies · Computer Science 2022-12-27 Hui Zhang , Jonathan Wei Zhong Lau , Lingxiao Wan , Liang Shi , Hong Cai , Xianshu Luo , Patrick Lo , Chee-Kong Lee , Leong-Chuan Kwek , Ai Qun Liu

Fluorescence microscopy plays a vital role in understanding the subcellular structures of living cells. However, it requires considerable effort in sample preparation related to chemical fixation, staining, cost, and time. To reduce those…

Image and Video Processing · Electrical Eng. & Systems 2020-12-02 Thanh Nguyen , Vy Bui , Anh Thai , Van Lam , Christopher B. Raub , Lin-Ching Chang , George Nehmetallah

Change detection, as an important and widely applied technique in the field of remote sensing, aims to analyze changes in surface areas over time and has broad applications in areas such as environmental monitoring, urban development, and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Zihan Yu , Tianxiao Li , Yuxin Zhu , Rongze Pan

Gravitational lensing is the relativistic effect generated by massive bodies, which bend the space-time surrounding them. It is a deeply investigated topic in astrophysics and allows validating theoretical relativistic results and studying…

Instrumentation and Methods for Astrophysics · Physics 2023-06-26 Nicolò Oreste Pinciroli Vago , Piero Fraternali

We present calculations illustrating the potential of gravitational microlensing to discriminate between classical models of stellar surface brightness profiles and the recently computed ``Next Generation'' models of Hauschildt et al. These…

Astrophysics · Physics 2009-11-07 H. M. Bryce , M. A. Hendry , D. Valls-Gabaud

Cell tracking is a ubiquitous image analysis task in live-cell microscopy. Unlike multiple object tracking (MOT) for natural images, cell tracking typically involves hundreds of similar-looking objects that can divide in each frame, making…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Benjamin Gallusser , Martin Weigert

Cell tracking enables data extraction from time-lapse "cell movies" and promotes modeling biological processes at the single-cell level. We introduce a new fully automated computational strategy to track accurately cells across frames in…

Computer Vision and Pattern Recognition · Computer Science 2017-06-23 Athanasios D. Balomenos , Panagiotis Tsakanikas , Elias S. Manolakos
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