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Cancer segmentation in whole-slide images is a fundamental step for viable tumour burden estimation, which is of great value for cancer assessment. However, factors like vague boundaries or small regions dissociated from viable tumour areas…

Image and Video Processing · Electrical Eng. & Systems 2021-09-28 Yibao Sun , Giussepi Lopez , Yaqi Wang , Xingru Huang , Huiyu Zhou , Qianni Zhang

Iterative methods for tomographic image reconstruction have great potential for enabling high quality imaging from low-dose projection data. The computational burden of iterative reconstruction algorithms, however, has been an impediment in…

Image and Video Processing · Electrical Eng. & Systems 2019-07-25 Kai Zhang , Alireza Entezari

Classical methods for X-ray computed tomography are based on the assumption that the X-ray source intensity is known, but in practice, the intensity is measured and hence uncertain. Under normal operating conditions, when the exposure time…

Numerical Analysis · Mathematics 2017-07-17 Hari Om Aggrawal , Martin Skovgaard Andersen , Sean Rose , Emil Y. Sidky

A hybrid imaging system consisting of a standard CT scanner and a low-profile photon-counting detector insert in contact with the patient's body has been used to produce ultrahigh-resolution images in a limited volume in chest scans of…

Medical Physics · Physics 2022-09-05 Dakota H. King , Eric E. Bennett , Dumitru Mazilu , Muyang Wang , Marcus Y. Chen , Han Wen

Coherent diffractive imaging (CDI), using both X-rays and electrons, has made extremely rapid progress over the past two decades. The associated reconstruction algorithms are typically iterative, and seeded with a crude first estimate. A…

Image and Video Processing · Electrical Eng. & Systems 2019-06-25 Konstantin M. Pavlov , Kaye S. Morgan , Vasily I. Punegov , David M. Paganin

For reconstructing large tomographic datasets fast, filtered backprojection-type or Fourier-based algorithms are still the method of choice, as they have been for decades. These robust and computationally efficient algorithms have been…

Numerical Analysis · Mathematics 2021-08-31 Poulami Somanya Ganguly , Daniël M. Pelt , Doga Gürsoy , Francesco de Carlo , K. Joost Batenburg

Traditional breast cancer imaging methods using microwave Nearfield Radar Imaging (NRI) seek to recover the complex permittivity of the tissues at each voxel in the imaging region. This approach is suboptimal, in that it does not directly…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Richard Obermeier , Jose Angel Martinez-Lorenzo

Accurate diagnosis of breast cancer in histopathology images is challenging due to the heterogeneity of cancer cell growth as well as of a variety of benign breast tissue proliferative lesions. In this paper, we propose a practical and…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Xingyu Li , Marko Radulovic , Ksenija Kanjer , Konstantinos N. Plataniotis

Breast cancer is a disease that threatens many women's life, thus, early and accurate detection plays a key role in reducing the mortality rate. Mammography stands as the reference technique for breast cancer screening; nevertheless, many…

Image and Video Processing · Electrical Eng. & Systems 2022-02-09 Juan Zuluaga-Gomez , N. Zerhouni , Z. Al Masry , C. Devalland , C. Varnier

Accurate and scalable cancer diagnosis remains a critical challenge in modern pathology, particularly for malignancies such as breast, prostate, bone, and cervical, which exhibit complex histological variability. In this study, we propose a…

Image and Video Processing · Electrical Eng. & Systems 2025-08-18 Faisal Ahmed

Image reconstruction from insufficient data is common in computed tomography (CT), e.g., image reconstruction from truncated data, limited-angle data and sparse-view data. Deep learning has achieved impressive results in this field.…

Image and Video Processing · Electrical Eng. & Systems 2020-05-21 Yixing Huang , Alexander Preuhs , Michael Manhart , Guenter Lauritsch , Andreas Maier

The volume estimation of brain regions from MRI data is a key problem in many clinical applications, where the acquisition of data at high spatial resolution is desirable. While parallel MRI and constrained image reconstruction algorithms…

Image and Video Processing · Electrical Eng. & Systems 2021-05-20 Aniket Pramanik , Xiaodong Wu , Mathews Jacob

Due to the merit of establishing volumetric data, X-ray computed tomography (XCT) is increasingly used as a non-destructive evaluation technique in the quality control of advanced manufactured parts with complex non-line-of-sight features.…

Computer aided diagnosis (CAD) of Breast Cancer (BRCA) images has been an active area of research in recent years. The main goals of this research is to develop reliable automatic methods for detecting and diagnosing different types of BRCA…

Image and Video Processing · Electrical Eng. & Systems 2020-03-20 Marco A. V. M. Grinet , Nuno M. Garcia , Ana I. R. Gouveia , Jose A. F. Moutinho , Abel J. P. Gomes

In this paper, we consider the problem of feature reconstruction from incomplete x-ray CT data. Such problems occurs, e.g., as a result of dose reduction in the context medical imaging. Since image reconstruction from incomplete data is a…

Image and Video Processing · Electrical Eng. & Systems 2022-02-23 Simon Göppel , Jürgen Frikel , Markus Haltmeier

Methods to detect malignant lesions from screening mammograms are usually trained with fully annotated datasets, where images are labelled with the localisation and classification of cancerous lesions. However, real-world screening…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Yuanhong Chen , Yuyuan Liu , Chong Wang , Michael Elliott , Chun Fung Kwok , Carlos Pena-Solorzano , Yu Tian , Fengbei Liu , Helen Frazer , Davis J. McCarthy , Gustavo Carneiro

The ability to accurately estimate risk of developing breast cancer would be invaluable for clinical decision-making. One promising new approach is to integrate image-based risk models based on deep neural networks. However, one must take…

Image and Video Processing · Electrical Eng. & Systems 2020-09-17 Yue Liu , Hossein Azizpour , Fredrik Strand , Kevin Smith

Morphological features of small vessels provide invaluable information regarding underlying tissue, especially in cancerous tumors. This paper introduces methods for obtaining quantitative morphological features from microvasculature images…

Medical Physics · Physics 2018-12-11 Siavash Ghavami , Mahdi Bayat , Mostafa Fatemi , Azra Alizad

Accurate segmentation of breast tumors in magnetic resonance images (MRI) is essential for breast cancer diagnosis, yet existing methods face challenges in capturing irregular tumor shapes and effectively integrating local and global…

Image and Video Processing · Electrical Eng. & Systems 2025-09-22 Yue Zhang , Jiahua Dong , Chengtao Peng , Qiuli Wang , Dan Song , Guiduo Duan

Deep-learning-based object detection methods show promise for improving screening mammography, but high rates of false positives can hinder their effectiveness in clinical practice. To reduce false positives, we identify three challenges:…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Yen Nhi Truong Vu , Dan Guo , Ahmed Taha , Jason Su , Thomas Paul Matthews
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