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Related papers: Antenna Systems for Wireless Capsule Endoscope: De…

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The human ear canal couples the external sound field to the eardrum and the solid parts of the middle ear. Therefore, knowledge of the acoustic impedance of the human ear is widely used in the industry to develop audio devices such as…

Medical Physics · Physics 2018-11-09 Søren Jønsson , Andreas Schuhmacher , Henrik Ingerslev Jørgensen

OFDM is widely adopted in modern wireless communication systems, but its power efficiency is limited by high envelope fluctuations. Although various high power-efficiency waveforms have been proposed, most are incompatible with the CP-OFDMA…

Signal Processing · Electrical Eng. & Systems 2025-10-29 Yiming Zhu , Zhuhong Zhu , Xiaodong Xu , Hongwei Hou , Wenjin Wang , Rui Ding

Human Body Communication (HBC) has come up as a promising alternative to traditional radio frequency (RF) Wireless Body Area Network (WBAN) technologies. This is essentially due to HBC providing a broadband communication channel with…

Signal Processing · Electrical Eng. & Systems 2022-04-29 Arunashish Datta , Mayukh Nath , David Yang , Shreyas Sen

In the gastrointestinal (GI) tract endoscopy field, ingestible wireless capsule endoscopy is considered as a minimally invasive novel diagnostic technology to inspect the entire GI tract and to diagnose various diseases and pathologies.…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Mehmet Turan , Yasin Almalioglu , Helder Araujo , Ender Konukoglu , Metin Sitti

In recent years, there has been a growing trend in accelerating computationally complex non-real-time beamforming algorithms in ultrasound imaging using deep learning models. However, due to the large size and complexity these…

Hardware Architecture · Computer Science 2025-09-04 Abdul Rahoof , Vivek Chaturvedi , Mahesh Raveendranatha Panicker , Muhammad Shafique

The images captured by Wireless Capsule Endoscopy (WCE) always exhibit specular reflections, and removing highlights while preserving the color and texture in the region remains a challenge. To address this issue, this paper proposes a…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Shaojie Zhang , Yinghui Wang , Peixuan Liu , Wei Li , Jinlong Yang , Tao Yan , Yukai Wang , Liangyi Huang , Mingfeng Wang , Ibragim R. Atadjanov

This paper covers wideband planar antenna design approaches. Modeling and simulation results were obtained using ADS simulation software and have demonstrated feasibility for fabrication of a wideband patch antenna configuration for…

Instrumentation and Detectors · Physics 2014-05-29 Scott A. Wilson

A new spin photonic topological insulator model with a 30-degree rhombic unit cell is presented and analyzed. Topological band gaps and the robustness against the defects are shown. The edge modes are studied via full-wave simulation of a…

Applied Physics · Physics 2023-03-28 Sayyed Ahmad Abtahi , Mohsen Maddahali , Ahmad Bakhtafrouz

Nanotechnology is enabling the development of a new generation of devices which are able to sense, process and communicate, while being in the scale of tens to hundreds of cubic nanometers. Such small, imperceptible devices enhance not only…

Systems and Control · Electrical Eng. & Systems 2021-10-28 Jennifer Simonjan , Bige D. Unluturk , Ian F. Akyildiz

This paper presents small-scale fading measurements for 28 GHz outdoor millimeter-wave ultrawideband channels using directional horn antennas at the transmitter and receiver. Power delay profiles were measured at half-wavelength spatial…

Information Theory · Computer Science 2016-11-18 Mathew K. Samimi , George R. MacCartney, , Shu Sun , Theodore S. Rappaport

We report a waveform-selective metasurface that operates at 2.4 GHz band, i.e. one of ISM (Industrial, Scientific and Medical) bands. This structure gives us an additional degree of freedom to control electromagnetic waves and absorbs a…

Applied Physics · Physics 2020-05-04 D. Ushikoshi , M. Tanikawa , K. Asano , K. Sanji , M. Ikeda , D. Anzai , H. Wakatsuchi

We present the design and test results of a compact C-band orthomode transducer which comprises four rectangular probes orthogonally arranged in a circular waveguide, designed to work in the WG13 band. Measurements of the system in the…

Astrophysics · Physics 2013-09-05 P. K. Grimes , O. G. King , G. Yassin , M. E. Jones

Ingestible wireless capsule endoscopy is an emerging minimally invasive diagnostic technology for inspection of the GI tract and diagnosis of a wide range of diseases and pathologies. Medical device companies and many research groups have…

Computer Vision and Pattern Recognition · Computer Science 2017-11-21 Mehmet Turan , Yasin Almalioglu , Helder Araujo , Ender Konukoglu , Metin Sitti

In this letter, the channel estimation problem is studied for wireless communication systems assisted by large intelligent surface. Due to features of assistant channel, channel estimation (CE) problem for the investigated system is shown…

Information Theory · Computer Science 2019-11-07 Junliang Lin , Gongpu Wang , Rongfei Fan , Theodoros A. Tsiftsis , Chintha Tellambura

Large-scale multiple-antenna systems with large bandwidth are fundamental for future wireless communications, where the base station employs a large antenna array. In this scenario, one problem faced is the large energy consumption as the…

Information Theory · Computer Science 2020-05-19 Z. Shao , L. Landau , R. C. de Lamare

This research presents a smart urinary health monitoring system incorporating a coplanar waveguide (CPW)-fed slot-loop antenna biosensor designed to analyse various urine samples. The antenna demonstrates distinct resonant frequency shifts…

Systems and Control · Electrical Eng. & Systems 2025-09-24 Khan Masood Parvez , Sk Md Abidar Rahaman , Ali Shiri Sichani , Hadi AliAkbarpour

We propose a novel pathology-sensitive deep learning model (PS-DeVCEM) for frame-level anomaly detection and multi-label classification of different colon diseases in video capsule endoscopy (VCE) data. Our proposed model is capable of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 A. Mohammed , I. Farup , M. Pedersen , S. Yildirim , Ø Hovde

The rapid advances in sensors and ultra-low power wireless communication has enabled a new generation of wireless sensor networks: Wireless Body Area Networks (WBAN). To the best of our knowledge the current paper is the first to address…

Performance · Computer Science 2016-12-07 Wafa Badreddine , Claude Chaudet , Federico Petruzzi , Maria Potop-Butucaru

Positron emission tomography (PET) is a medical imaging method based on the measurement of concentrations of positron-emitting radionuclides in a living body. In the PET imaging system, glucose is labeled with a positron-emitting…

Signal Processing · Electrical Eng. & Systems 2022-09-27 Mehmet Akif Ozdemir , Ali Tangel

The Global Navigation Satellite Systems (GNSS) like GPS suffer from accuracy degradation and are almost unavailable in indoor environments. Indoor positioning systems (IPS) based on WiFi signals have been gaining popularity. However, owing…

Signal Processing · Electrical Eng. & Systems 2021-10-22 Pranav Sankhe , Saqib Azim , Sachin Goyal , Tanya Choudhary , Kumar Appaiah , Sukumar Srikant