Sensing and Imaging

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Digital Terrestrial Video Broadcast Interference Suppression in Forward-Looking Ground Penetrating Radar Systems
Sensing and Imaging - Tập 15 - Trang 1-13 - 2014
F. I. Rial, Roi Mendez-Rial, Lukasz Lawadka, Maria A. Gonzalez-Huici
In this paper we show how radio frequency interference (RFI) generated by digital video broadcasting terrestrial and digital audio broadcasting transmitters can be an important noise source for forward-looking ground penetrating radar (FLGPR) systems. Even in remote locations the average interference power sometimes exceeds ultra-wideband signals by many dB, becoming the limiting factor in the sys...... hiện toàn bộ
Local-Friis-Radiation-Pattern (LFRP) for Face Recognition
Sensing and Imaging - Tập 22 - Trang 1-35 - 2021
Hiranmoy Roy, Subhadeep Koley
In forensic science, various circumstances and requirements give rise to the need for the development of the inter-modality face recognition system to reinforce law and order. In this paper, a novel methodology called Local-Friis-Radiation-Pattern (LFRP) for both homogeneous (visible face images with variations like illumination, pose, and makeup) and heterogeneous (near-infrared (NIR)–visible (VI...... hiện toàn bộ
Rolling Guidance Filtering-Orientated Saliency Region Extraction Method for Visible and Infrared Images Fusion
Sensing and Imaging - Tập 21 - Trang 1-18 - 2020
Jiangjiang Li, Lijuan Feng
Different image types can be obtained by different sensors, but all the useful information cannot be extracted from a single image. Infrared images can capture the heat source information of scene targets in low light or severe weather conditions. Visible images provide more detail information about the scene. To obtain the rich image information, we propose a visible and infrared images fusion me...... hiện toàn bộ
Target detection using supervised machine learning algorithms for GPR data
Sensing and Imaging - Tập 21 - Trang 1-15 - 2020
N. Smitha, Vipula Singh
A novel approach of supervised machine learning technique is used in this paper to identify landmines. The work presented here has two contributions. First contribution is three features (major axis, minor axis and principal component analysis) based performance comparison of two machine learning technique: support vector machine classifier and neural network classifier. In the second contribution...... hiện toàn bộ
A Compact Ultrawideband Antipodal Vivaldi Antenna and Its Efficacy in Through-Wall Imaging
Sensing and Imaging - - 2024
Yajush Rai, Shailza Gotra, Bambam Kumar, Smriti Agarwal, Dharmendra Singh
An ultrawide band (UWB) antipodal Vivaldi antenna (AVA) is presented in this paper for through wall imaging application. The traditional Vivaldi antenna is modified by introducing asymmetric elliptical slots at the edges, an extended dielectric substrate and modified ground. The fabricated antenna prototype is of compact size of 119 × 70 mm2. The measurement in anechoic chamber shows a ultrawide o...... hiện toàn bộ
RF Transceivers for Wireless Body Area Network Controllers
Sensing and Imaging - Tập 16 - Trang 1-19 - 2015
Islam Eshra, Mootaz Allam, Alhassan Sayed, Sorore Benabid, Hassan Aboushady
This paper focuses on the system and circuit level consideration of radio frequency front-end transceivers dedicated to WBAN controllers. We show how highly digitized transceivers employing sigma–delta modulators can achieve the frequency agility required by WBAN controllers. The paper compares the performance and highlights the pros and cons of I/Q transmitters and polar transmitters. For the rec...... hiện toàn bộ
The measurement of changes in water content during hemodialysis: a non-invasive millimeter wave sensing technology
Sensing and Imaging - Tập 25 - Trang 1-16 - 2024
Xiaorong Zheng, Yunhui Shao, Jianhua Wang, Xiwang Dai, Huawei Fang, Lei Lu
Background: Adequate hemodialysis requires not only sufficient removal of excess toxins, but also removal of water retained for the dialysis patient. There is no accurate detection technique for setting the amount of ultrafiltration during the hemodialysis. The purpose of this study was to detect changes of water in the blood during hemodialysis. Method: The changes in the permittivity of blood ca...... hiện toàn bộ
Superpixel-based Structural Similarity Metric for Image Fusion Quality Evaluation
Sensing and Imaging - Tập 22 - Trang 1-25 - 2021
Eryan Wang, Bin Yang, Lihui Pang
Image fusion refers to integrate multiple images of the same scene into a high-quality fused image. Universal quality evaluation for fused image is one of the urgent problems in the field of image fusion. Typically, local features extracted from rectangular blocks of the fused images are used to achieve objective evaluation. However, the fixed shape of image block is neither suitable for the natur...... hiện toàn bộ
Recognition of Tifinagh Characters Using Optimized Convolutional Neural Network
Sensing and Imaging - Tập 22 - Trang 1-14 - 2021
Mohamed Biniz, Rachid El Ayachi
The choice of a convolutional neural network architecture and its parameters to extract optical character recognition is very difficult and tedious. The main objective of this work is to build a very robust and very fast architecture for the recognition of the handwritten characters of the Amazigh language written in Tifinagh character. This work has two optimized architectures, one to recognize R...... hiện toàn bộ
Comparative Data Processing Approaches for Thermal Wave Imaging Techniques for Non-Destructive Testing
Sensing and Imaging - Tập 12 Số 1-2 - Trang 15-33 - 2011
V. S. Ghali, Ravibabu Mulaveesala
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