Sensing and Imaging

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Phantom Preparation and Optical Property Determination
Sensing and Imaging - Tập 19 - Trang 1-12 - 2018
Di He, Jie He, Heng Mao
Tissue-like optical phantoms are important in testing new imaging algorithms. Homogeneous optical phantoms with determined optical properties are the first step of making a proper heterogeneous phantom for multi-modality imaging. Typical recipes for such phantoms consist of epoxy resin, hardener, India ink and titanium oxide. By altering the concentration of India ink and titanium oxide, we are ab... hiện toàn bộ
Adaptive Background Correction of Crystal Image Datasets: Towards Automated Process Control
Sensing and Imaging - Tập 21 Số 1 - 2020
Luke Kiernan, Ian Jones, Lauri Kurki, Patrick J. Cullen, Toufic El Arnaout
Sugar Cube Purity: Capacitive Sensing and Image Processing Approach
Sensing and Imaging - - 2016
S. Madhumitha, R. Rajath, N. Venkatanathan, N. R. Raajan, M. Sridharan
Several methods have been implemented to find out if impurity is present in sugar cubes or powders so far. Several high end imaging techniques with X-ray scanners have been used to check the quality of the sugar. In this present study, without disturbing the physical nature of sugar, we have simply used the dielectric property analysis to check the purity of the sugar. This method can detect even ... hiện toàn bộ
Shadow Image Based Reversible Data Hiding Using Addition and Subtraction Logic on the LSB Planes
Sensing and Imaging - Tập 22 - Trang 1-31 - 2021
Monalisa Sahu, Neelamadhab Padhy, Sasanko Sekhar Gantayat, Aditya Kumar Sahu
Image steganographic communication demands a fair trade-off among the three diametrically opposed metrics such as higher capacity, larger visual quality, and attack survival ability (ASA). Recently, some reversible data hiding (RDH) techniques using dual images have shown promising results to achieve the aforementioned needs. However, maintaining a balance among these metrics is still an open chal... hiện toàn bộ
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
A Multi-channel System for Qualitative Explosive and Drug Detection
Sensing and Imaging - Tập 19 - Trang 1-16 - 2018
Alan Zhang, Defeng Fu, Jiancong Sun, Yu Xuan, Hui Ma
It is well known that under blue LED/laser illumination a class of synthetic conjugated polymers can create fluorescence, and after absorbing a certain class of explosive vapors the fluorescence will be quenched thus the explosives can be detected. The unsolved problems are how can we detect drug, TATP and nitro aromatic explosives with the same device, how can we distinguish different explosives ... 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
Readout Circuits for Noise Compensation in ISFET Sensory System
Sensing and Imaging - Tập 16 - Trang 1-24 - 2015
M. P. Das, M. Bhuyan, C. Talukdar
This paper presents two different noise reduction techniques for ion sensitive field effect transistor (ISFET) readout configuration and their comparison. The proposed circuit configurations are immune to the noise generated from the ISFET sensory system and particularly to the low frequency pH dependent 1/f electrochemical noise. The methods used under this study are compensation of noise by diff... hiện toàn bộ
A New Multilevel Feature Fusion Network for Medical Image Segmentation
Sensing and Imaging - Tập 22 - Trang 1-20 - 2021
Xiaojing Qiu
There are many problems in the medical images, such as irregular edges and noises, the pathological information is difficult to be obtained. So it brings difficulties to doctors to accurately diagnose the diseases. Therefore, in medical image processing, traditional image segmentation methods are based on region similarity and region difference. Medical image segmentation plays a very important ro... 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
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