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Using concave rectangular patches, a new solution to reduce mutual coupling and return loss in two-dimensional array of microstrip antennas is proposed. The effect of width and length concavity on mutual coupling and return loss is studied.…

Other Computer Science · Computer Science 2010-06-07 S. Mohanna , A. Farahbakhsh , S. Tavakoli

In this paper, the design, realization, and demonstration of a broadband millimeter-wave imaging system based on the synthetic aperture radar technique (SAR) are discussed. The proposed system, operating within the frequency range of…

Applied Physics · Physics 2022-06-01 Fahimeh Sepehripour , Ahmad Shafiei Alavijeh , Mohammad Fakharzadeh , Amin Khavasi

Image Processing represents the backbone research area within engineering and computer science specialization. It is promptly growing technologies today, and its applications founded in various aspects of biomedical fields especially in…

Image and Video Processing · Electrical Eng. & Systems 2021-11-05 Osama Rezq Shahin , Hamdy Mohammed Kelash , Gamal Mahrous Attiya , Osama Slah Farg Allah

Biopsies are the gold standard for breast cancer diagnosis. This task can be improved by the use of Computer Aided Diagnosis (CAD) systems, reducing the time of diagnosis and reducing the inter and intra-observer variability. The advances…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Jonathan de Matos , Alceu de S. Britto , Luiz E. S. de Oliveira , Alessandro L. Koerich

Millimeter-wave (MMW) imaging is emerging as a promising technique for safe security inspection. It achieves a delicate balance between imaging resolution, penetrability and human safety, resulting in higher resolution compared to…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Liheng Bian , Daoyu Li , Shuoguang Wang , Chunyang Teng , Huteng Liu , Hanwen Xu , Xuyang Chang , Guoqiang Zhao , Shiyong Li , Jun Zhang

A novel mm-wave microstrip-fed patch antenna with broad bandwidth and wide angular coverage suitable for integration in planar arrays is designed, analyzed and verified by measurements. The antenna provides a bandwidth of 13.1% between 34.1…

Signal Processing · Electrical Eng. & Systems 2022-06-27 Jonas Kornprobst , Kun Wang , Gerhard Hamberger , Thomas F. Eibert

Breast cancers is the second leading cause of cancer mortality in women; early diagnosis increase the probability of a successful therapy; any marginal improvement in this direction helps sparing lives. In this context functional imaging…

Instrumentation and Detectors · Physics 2019-05-02 Adriana Marcucci , Franco Garibaldi , Giulia Limiti , Teresa Insero , Paolo Musico , Evaristo Cisbani

This paper explores the problem of breast tissue classification of microscopy images. Based on the predominant cancer type the goal is to classify images into four categories of normal, benign, in situ carcinoma, and invasive carcinoma.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-29 Kamyar Nazeri , Azad Aminpour , Mehran Ebrahimi

Multiple-input multiple-output (MIMO) array based millimeter-wave (MMW) imaging has a tangible prospect in applications of concealed weapons detection. A near-field imaging algorithm based on wavenumber domain processing is proposed for a…

Signal Processing · Electrical Eng. & Systems 2021-01-25 Shiyong Li , Shuoguang Wang , Moeness G. Amin , Guoqiang Zhao

This thesis presents a number of microwave devices and antennas that maintain high operational efficiency and are compact in size at the same time. One goal of this thesis is to address several miniaturization challenges of antennas and…

Applied Physics · Physics 2018-06-04 Muhammad Ali Babar Abbasi

Description of purpose: Contrast-enhanced spectral mammography can be used to guide needle biopsies. However, in vertical approach the compressed breast is deformed generating a so-called bump in the paddle aperture, which may interfere…

Breast cancer is the most common cancer among women worldwide. Early-stage diagnosis of breast cancer can significantly improve the efficiency of treatment. Computer-aided diagnosis (CAD) systems are widely adopted in this issue due to…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Mohammad Reza Abbasniya , Sayed Ali Sheikholeslamzadeh , Hamid Nasiri , Samaneh Emami

The transmitter signals in the fifth generation (5G) wireless networks suffer from significant path loss due to the use of higher frequencies in Sub-6 GHz and millimeter-wave (mmWave) bands. Therefore, beamforming is an essential and…

Signal Processing · Electrical Eng. & Systems 2022-03-02 Md Imrul Hasan , Mohammad Saquib

Microstrip patch antennas (MPAs) are rapidly gaining more attention due to the proliferation of communication devices and systems with frequencies becoming more suitable for the size and performance of this type of antenna. Due to recent…

Emerging Technologies · Computer Science 2017-09-05 A. F. Salami , O. S. Zakariyya , B. O. Sadiq , O. A. Abdulrahman

It is highly important for governments and health organizations to monitor the prevalence of breast cancer as a leading source of cancer-related death among women. However, the accurate diagnosis of this disease is expensive, especially in…

Methodology · Statistics 2021-04-21 M. Mahdizadeha , Ehsan Zamanzade

Background: Magnetic resonance imaging (MRI) has high sensitivity for breast cancer detection, but interpretation is time-consuming. Artificial intelligence may aid in pre-screening. Purpose: To evaluate the DINOv2-based Medical Slice…

This article investigates the influential role of flexible antenna array curvature on the performance of 6G communication systems with carrier frequencies above 100 GHz. It is demonstrated that the curvature of flexible antenna arrays can…

Systems and Control · Electrical Eng. & Systems 2026-01-27 Mahdi Alesheikh , Soheil Saadat , Hamidreza Aghasi

Accurate detection of mitosis plays a critical role in breast cancer histopathology. Manual detection and counting of mitosis is tedious and subject to considerable inter- and intra-reader variations. Multispectral imaging is a recent…

Computer Vision and Pattern Recognition · Computer Science 2013-04-16 H. Irshad , A. Gouaillard , L. Roux , D. Racoceanu

In the last decade, researchers working in the domain of computer vision and Artificial Intelligence (AI) have beefed up their efforts to come up with the automated framework that not only detects but also identifies stage of breast cancer.…

Image and Video Processing · Electrical Eng. & Systems 2022-01-10 Shahid Munir Shah , Rizwan Ahmed Khan , Sheeraz Arif , Unaiza Sajid

This paper describes the design, construction and testing of a dual-band monopole microstrip patch antenna to operate in the GSM and DCS bands. For compactness the monopole antenna is mounted on top of a FR4 substrate and is designed as a…

Signal Processing · Electrical Eng. & Systems 2024-12-10 Georgios Giannakopoulos , Khushbu Mehboob Shaikh