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This paper proposes the combination of SAR and microwave reflection tomography for biomedical imaging applications. The proposed method can achieve accuracies of less than 5mm and does not suffer from instability during reconstruction.…

Medical Physics · Physics 2018-05-01 Kevin K. M. Chan , Daniel Oloumi , Pierre Boulanger , Karumudi Rambabu

Breast-conserving surgery (BCS) aims to completely remove malignant lesions while maximizing healthy tissue preservation. Intraoperative margin assessment is essential to achieve a balance between thorough cancer resection and tissue…

Image and Video Processing · Electrical Eng. & Systems 2026-01-16 Pouya Afshin , David Helminiak , Tongtong Lu , Tina Yen , Julie M. Jorns , Mollie Patton , Bing Yu , Dong Hye Ye

The diagnosis of brain tumours is an extremely sensitive and complex clinical task that must rely upon information gathered through non-invasive techniques. One such technique is magnetic resonance, in the modalities of imaging or…

Image and Video Processing · Electrical Eng. & Systems 2025-03-13 Carlos Arizmendi , Alfredo Vellido , Enrique Romero

Next generation communication and sensing require enabling technologies for miniaturized and efficient heterogeneous systems while integrating technologies ranging from silicon to compound semiconductors and from photonic chips to…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Najme Ebrahimi

Wireless capsule endoscopy (WCE) systems are used to capture images of the human digestive tract for medical applications. The antenna is one of the most important components in a WCE system. In this paper, we provide novel small antenna…

Signal Processing · Electrical Eng. & Systems 2018-04-06 Md. Suzan Miah , Ahsan Noor khan , Clemens Icheln , Katsuyuki Haneda , Ken-ichi Takizawa

Breast density estimation is one of the key tasks in recognizing individuals predisposed to breast cancer. It is often challenging because of low contrast and fluctuations in mammograms' fatty tissue background. Most of the time, the breast…

Image and Video Processing · Electrical Eng. & Systems 2022-10-11 Vikash Gupta , Mutlu Demirer , Robert W. Maxwell , Richard D. White , Barbaros Selnur Erdal

The surroundings of a cancerous tumor impact how it grows and develops in humans. New data from early breast cancer patients contains information on the collagen fibers surrounding the tumorous tissue -- offering hope of finding additional…

Applications · Statistics 2022-06-30 Sean Kent , Menggang Yu

Tissues are fractal due to its self-similar structure, and the fractal dimension change with the abnormalities such as in disease like cancer. The optical imaging of thin slices of tissue using transmission microscopy can produce an…

Biological Physics · Physics 2020-12-29 Liam Elkington , Prakash Adhikari , Prabhakar Pradhan

Breast cancer is the most common type of cancer among women worldwide. The standard histopathology of breast tissue, the primary means of disease diagnosis, involves manual microscopic examination of stained tissue by a pathologist. Because…

Quantitative Methods · Quantitative Biology 2017-11-07 Hassaan Majeed , Tan Huu Nguyen , Mikhail Eugene Kandel , Andre Kajdacsy-Balla , Gabriel Popescu

This paper presents a global framework analysis of a microstrip antenna design circularly polarized with an operating frequency of 5.80 GHz and a bandwidth of at least 500 MHz. We evaluate the optimal antenna parameters to design…

Signal Processing · Electrical Eng. & Systems 2019-01-17 Elyes Balti , Brian K. Johnson

Breast cancer is one of the most common cause of deaths among women. Mammography is a widely used imaging modality that can be used for cancer detection in its early stages. Deep learning is widely used for the detection of cancerous masses…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Ahmed Rasheed , Muhammad Shahzad Younis , Junaid Qadir , Muhammad Bilal

To overcome the limited payload of lightweight vehicles such as unmanned aerial vehicle (UAV) and the aerodynamic constraints on the onboard radar, a compact nonuniform conformal array is proposed in order to achieve a wide beamscanning…

Signal Processing · Electrical Eng. & Systems 2023-12-18 Yuanyan Su , Icaro V. Soares , Siegfred Daquioag Balon , Jun Cao , Denys Nikolayev , Anja K. Skrivervik

We report characterization results for an engineering prototype of a next-generation low-frequency radio astronomy array. This prototype, which we refer to as the Aperture Array Verification System 0.5 (AAVS0.5), is a sparse pseudo-random…

This paper is concerned with the channel estimation problem in millimetre wave (MMW) wireless systems with large antenna arrays. By exploiting the sparse nature of the MMW channel, we present an efficient estimation algorithm based on a…

Information Theory · Computer Science 2018-04-19 Matthew Kokshoorn , Peng Wang , Yonghui Li , Branka Vucetic

Breast cancer is the second leading cause of death for women in the U.S. Early detection of breast cancer is key to higher survival rates of breast cancer patients. We are investigating infrared (IR) thermography as a noninvasive adjunct to…

Image and Video Processing · Electrical Eng. & Systems 2020-11-03 Ange Lou , Shuyue Guan , Nada Kamona , Murray Loew

Dynamic metasurface antennas (DMAs) provide a new paradigm to realize large-scale antenna arrays for future wireless systems. In this paper, we study the downlink millimeter wave (mmWave) DMA systems with limited number of radio frequency…

Signal Processing · Electrical Eng. & Systems 2022-10-25 Wei Huang , Haiyang Zhang , Nir Shlezinger , Yonina C. Eldar

Breast tumor segmentation is a critical task in computer-aided diagnosis (CAD) systems for breast cancer detection because accurate tumor size, shape and location are important for further tumor quantification and classification. However,…

Image and Video Processing · Electrical Eng. & Systems 2020-09-29 Bryar Shareef , Alex Vakanski , Min Xian , Phoebe E. Freer

Radiotherapy is an integral part of treatment for many patients with breast cancer. However, side effects can occur, Example fibrosis or erythema. If patients at higher risks of radiation induced side effects could be identified before…

Medical Physics · Physics 2024-09-04 Deborah E. M. Akuoko , Eliana Vasquez Osorio , Marcel Van Herk , Marianne Aznar

Fast-responding detector arrays are commonly used for imaging rapidly-changing scenes. Besides array detectors, a single-pixel detector combined with a broadband optical spectrum can also be used for rapid imaging by mapping the spectrum…

Optics · Physics 2019-09-04 Chengying Bao , Myoung-Gyun Suh , Kerry Vahala

Breast cancer is one of the leading fatal disease worldwide with high risk control if early discovered. Conventional method for breast screening is x-ray mammography, which is known to be challenging for early detection of cancer lesions.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Essam A. Rashed , M. Samir Abou El Seoud