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Related papers: Fractal-Based Detection of Microcalcification Clus…

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Point clouds are a set of data points in space to represent the 3D geometry of objects. A fundamental step in the processing is to identify a subset of points to represent the shape. While traditional sampling methods often ignore to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Pierre Onghena , Santiago Velasco-Forero , Beatriz Marcotegui

Accurate characterization of suspicious microcalcifications is critical to determine whether these calcifications are associated with invasive disease. Our overarching objective is to enable the joint characterization of microcalcifications…

Image and Video Processing · Electrical Eng. & Systems 2024-05-24 Noor Nakhaei , Chrysostomos Marasinou , Akinyinka Omigbodun , Nina Capiro , Bo Li , Anne Hoyt , William Hsu

Accurate and reliable nuclei identification is an essential part of quantification in microscopy. A range of mathematical and machine learning approaches are used but all methods have limitations. Such limitations include sensitivity to…

Quantitative Methods · Quantitative Biology 2019-04-11 Carl J. Nelson , Philip T. G. Jackson , Boguslaw Obara

Machine vision systems, which can efficiently manage extensive visual perception tasks, are becoming increasingly popular in industrial production and daily life. Due to the challenge of simultaneously obtaining accurate depth and texture…

Image and Video Processing · Electrical Eng. & Systems 2024-09-09 Chongzhen Tian , Zhengxin Li , Hui Yuan , Raouf Hamzaoui , Liquan Shen , Sam Kwong

In this paper, an advanced fracture detection framework, FracDetNet, is proposed to address challenges in medical imaging, as accurate fracture detection is essential for enhancing diagnostic efficiency in clinical practice. Despite recent…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Yuyang Sun , Cuiming Zou

Mammography images are widely used to detect non-palpable breast lesions or nodules, preventing cancer and providing the opportunity to plan interventions when necessary. The identification of some structures of interest is essential to…

Image and Video Processing · Electrical Eng. & Systems 2023-07-21 Cesar A. Sierra-Franco , Jan Hurtado , Victor de A. Thomaz , Leonardo C. da Cruz , Santiago V. Silva , Alberto B. Raposo

In mammography, the efficacy of computer-aided detection methods depends, in part, on the robust localisation of micro-calcifications ($\mu$C). Currently, the most effective methods are based on three steps: 1) detection of individual…

Computer Vision and Pattern Recognition · Computer Science 2016-10-10 Zhi Lu , Gustavo Carneiro , Neeraj Dhungel , Andrew P. Bradley

A breast neoplasia is often marked by the presence of microcalcifications and massive lesions in the mammogram: hence the need for tools able to recognize such lesions at an early stage. Our collaboration, among italian physicists and…

This work introduces a quantitative method for assessing calcification in fibrocartilage using spectral micro-computed tomography ($\mu$CT). Tissue samples of hip acetabular labrum from patients with osteoarthritis and femoroacetabular…

In this report we present experimental results using \emph{Haussdorf-Besicovich} fractal dimension for performing morphological galaxy classification. The fractal dimension is a topological, structural and spatial property that give us…

Computer Vision and Pattern Recognition · Computer Science 2017-06-26 Jorge de la Calleja , Elsa M. de la Calleja , Hugo Jair Escalante

Real-world datasets follow an imbalanced distribution, which poses significant challenges in rare-category object detection. Recent studies tackle this problem by developing re-weighting and re-sampling methods, that utilise the class…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Konstantinos Panagiotis Alexandridis , Ismail Elezi , Jiankang Deng , Anh Nguyen , Shan Luo

Quantitative analysis of the structure of star clusters is crucial for understanding their formation and evolution. In this article, we explore the application of fractal dimension analysis to study the evolution of star clusters, also…

Astrophysics of Galaxies · Physics 2025-07-01 N. Ussipov , A. Akhmetali , M. Zaidyn , A. Akniyazova , A. Sakan , M. Kalambay , B. Shukirgaliyev

Digital mammogram inspection is the most popular technique for early detection of abnormalities in human breast tissue. When mammograms are analyzed through a computational method, the presence of the pectoral muscle might affect the…

Image and Video Processing · Electrical Eng. & Systems 2020-09-15 Jairo A. Ayala-Godoy , Rosa E. Lillo , Juan Romo

Computer-aided diagnosis (CAD) has long become an integral part of radiological management of breast disease, facilitating a number of important clinical applications, including quantitative assessment of breast density and early detection…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Hossein Soleimani , Oleg V. Michailovich

Statistical methods such as sequential Monte Carlo Methods were proposed for detection, segmentation and tracking of objects in digital images. A similar approach, called Shape Particle Filters was introduced for the segmentation of…

Computer Vision and Pattern Recognition · Computer Science 2015-06-23 Z. Bardosi , D. Granata , G. Lugos , A. P. Tafti , S. Saxena

We perform simulations to evaluate a recent experimental technique for using in-line holographic microscopy and an effective-sphere model to measure the population-averaged fractal dimension $D_f$ of an ensemble of colloidal fractal…

Optics · Physics 2019-10-02 Jerome Fung , Samantha Hoang

Significance: Confocal laser scanning enables optical sectioning in fiber bundle endomicroscopy but limits the frame rate. To be able to better explore tissue morphology it is useful to stitch sequentially acquired frames into a mosaic.…

Optics · Physics 2021-07-14 Andrew D. Thrapp , Michael R. Hughes

Image segmentation is a complex mathematical problem, especially for images that contain intensity inhomogeneity and tightly packed objects with missing boundaries in between. For instance, Magnetic Resonance (MR) muscle images often…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Paramjyoti Mohapatra , Richard Lartey , Weihong Guo , Michael Judkovich , Xiaojuan Li

High-frequency measurements and images acquired from various sources in the real world often possess a degree of self-similarity and inherent regular scaling. When data look like a noise, the scaling exponent may be the only informative…

Methodology · Statistics 2017-03-14 Minkyoung Kang , Brani Vidakovic

Generation of super-resolution (SR) ultrasound (US) images, created from the successive local-ization of individual microbubbles in the circulation, has enabled the visualization of microvascular structure and flow at a level of detail that…

Image and Video Processing · Electrical Eng. & Systems 2024-06-19 Scott Schoen , Zhigen Zhao , Ashley Alva , Chengwu Huang , Shigao Chen , Costas Arvanitis