scholarly journals Matching of Iris Pattern using Image Processing

2019 ◽  
Vol 8 (2S11) ◽  
pp. 21-23
Keyword(s):  
Image Processing ◽  
Pattern Recognition ◽  
Mobile Phone ◽  
Personal Identification ◽  
The Body ◽  
Biometric Identification ◽  
Non Invasive ◽  
Digital Era ◽  
Invasive Method ◽  
Iris Pattern Recognition

Personal identification is very vital in this digital era for simpler mobile phone unlocking to criminal identification in the scene of crime. There are various methods of personal identification ranging from non-invasive methods of presence of moles in the visible parts of the body to the invasive DNA karyotyping. Other in the spectrum being fingerprinting, lip print, foot print, tongue print, palate print etc. As age advances there might be slight variations in finger print, ear biometric etc, where as in iris the amount of pigmentation might vary but the pattern remains almost same from birth to death, unless otherwise there is any injury to the iris which is very remote. Iris pattern recognition is a non-invasive method of biometric identification. Iris architecture is not only complex but also unique to an individual. In this article a methodology is been proposed to match iris pattern.

scholarly journals A non‐invasive method for sampling the body odour of mammals

2017 ◽  
Vol 9 (2) ◽  
pp. 420-429 ◽  
Author(s):  
Brigitte M. Weiß ◽  
Andrea Marcillo ◽  
Marta Manser ◽  
Ruben Holland ◽  
Claudia Birkemeyer ◽  
...  
Keyword(s):  
The Body ◽  
Non Invasive ◽  
Invasive Method ◽  
Body Odour

scholarly journals An Efficient Non-Invasive Method for Fetal Ecg Extraction from Abdominal Signals

2020 ◽  
Vol 8 (6) ◽  
pp. 3348-3353
Keyword(s):  
Input Signal ◽  
The Body ◽  
Invasive Strategy ◽  
Non Invasive ◽  
Fetal Ecg ◽  
Invasive Method ◽  
Over The Top

The principle target of this paper is to decide the over the top attributes of a baby during pregnancy by examining a fetal ECG waveform. In obtrusive system of FECG estimation, terminals are embedded inside the body this may cause the burst of films, which is perilous to both the fetal's and mother's lives. It is important to go for non-invasive strategy, right now readings are taken from the mid-region of pregnant ladies which is protected procedure for both mother and fetal. The fetal ECG waveform can be separated by smothering maternal ECG sign and clamor defilements present in the ECG input signal. By breaking down the fetal ECG waveform we can decide the irregularity of baby heart by estimating the fetal pulse and contrasting it and maternal pulse .The variation from the norm found in fetal during pregnancy can be valuable to treat the hatchling against heart related illnesses.

scholarly journals Quantification of Uncertainties from Image Processing and Analysis in Laboratory-Scale DNAPL Release Studies Evaluated by Reflective Optical Imaging

Water ◽  
2019 ◽  
Vol 11 (11) ◽  
pp. 2274 ◽  
Author(s):  
Christian Engelmann ◽  
Luisa Schmidt ◽  
Charles J. Werth ◽  
Marc Walther
Keyword(s):  
Image Processing ◽  
Optical Imaging ◽  
Source Zone ◽  
Image Processing And Analysis ◽  
Non Invasive ◽  
Release Studies ◽  
Invasive Method ◽  
Phase Liquid ◽  
Flexible Framework

Subsurface DNAPL (dense non-aqueous phase liquid) contamination from (un-) intentional spilling typically leads to severe environmental hazards. A large number of studies have demonstrated the relevance of DNAPL source zone geometry for the determination of contaminant plume propagation in groundwater. Optical imaging represents a promising non-invasive method for identifying DNAPL saturation without disturbing multiphase flow dynamics. However, workflow and image analysis methodologies have not been sufficiently developed or described for general application to related experimental efforts. For example, the choice of dye(s) used for phase colorization affects image processing and can bias final estimations of DNAPL saturations. In this study, we perform a series of DNAPL migration and entrapment studies in transparent tanks that are filled with three different types of porous media. Different dyes are used and raw images are acquired. Subsequently, these are used to evaluate a suite of image processing and analysis approaches, which are organized into a workflow. Our approach allows for us to identify key image processing and analysis steps that introduce the most error. Applicable dye configurations led to uncertainties of up to 41% depending on the selection of processing steps. Based on these findings, it was possible to delineate a flexible framework for image processing and analysis that has the potential for transfer and application in other tank experiment setups.

scholarly journals Deep vascular imaging in the eye with flow-enhanced ultrasound

2021 ◽  
Author(s):  
Christian Damsgaard ◽  
Henrik Lauridsen
Keyword(s):  
Imaging Techniques ◽  
Three Dimensional ◽  
The Body ◽  
High Frequency Ultrasound ◽  
Spatiotemporal Resolution ◽  
Ultrasound Technique ◽  
Non Invasive ◽  
Nucleated Red Blood Cells ◽  
Invasive Method ◽  
Flow Enhancement

The eye's retina is one of the most energy-demanding tissues in the body and thus requires high rates of oxygen delivery from a rich blood supply. The capillary lamina of the choroid lines the outer surface of the retina and is the dominating source of oxygen in most vertebrates, but this vascular bed is challenging to image with traditional optical techniques due to its position behind the highly light-absorbing retina. Here we describe a high-frequency ultrasound technique with flow-enhancement to image deep vascular beds (0.5 - 3 cm) of the eye with a high spatiotemporal resolution. This non-invasive method works well in species with nucleated red blood cells (non-mammalian and fetal animal models), and it generates non-invasive three-dimensional angiographies without the use of contrast agents that is independent of blood flow angles and with a higher sensitivity than Doppler based ultrasound imaging techniques.

scholarly journals An Accurate Facial Component Detection Using Gabor Filter

2017 ◽  
Vol 6 (3) ◽  
pp. 287-294
Author(s):  
K. Sudhakar ◽  
P. Nithyanandam
Keyword(s):  
Image Processing ◽  
Pattern Recognition ◽  
Face Detection ◽  
Gabor Filter ◽  
Personal Identification ◽  
Main Role ◽  
Accurate Detection ◽  
The Face ◽  
Critical Task ◽  
Facial Component

Face detection is a critical task to be resolved in a variety of applications. Since faces include various expressions it becomes a difficult task to detect the exact output. Face detection not only play a main role in personal identification but also in various fields which includes but not limited to image processing, pattern recognition, graphics and other application areas. The proposed system performs the face detection and facial components using Gabor filter. The results show accurate detection of facial components

scholarly journals Detection of Blood Glucose Level in Humans using Non-Invasive Method-RL BGM

2020 ◽  
Vol 9 (1) ◽  
pp. 304-309
Keyword(s):  
Blood Glucose ◽  
Blood Glucose Level ◽  
Blood Sugar ◽  
Glucose Level ◽  
Fasting Blood Glucose ◽  
Glucose Monitoring ◽  
The Body ◽  
Blood Glucose Monitoring ◽  
Non Invasive ◽  
Invasive Method

Blood sugar in the body is called glucose and it is important that the amount of sugar in the blood is fairly maintained. The body has sugar and blood that is used to store energy in the body. Low or high blood sugar is dangerous to life if it is not treated. The fasting blood glucose level in the morning ranges between 70 mg/dL to 110 mg/dL, after the meal the blood glucose should be less than 140 mg/dL. This paper proposes a method that is best suited to detect blood glucose in the human body and avoid serious health issues by sending a message instantly to the respective number of the patient. Currently, in market Blood Glucose Monitoring (BGM) techniques are vigorous and painful as the blood sample is pricked from the finger that leads to the risk of infection, the strips that were being used were also costly. The solution to this problem statement is a design of non-invasive smart equipment for observing the blood glucose level. One non-invasive method is Red Laser (RL) BGM technique, that is very superior to the other invasive method and non-invasive techniques. Here the refractive index of the laser light is analyzed to determine the blood glucose level. Several tests and experimental results are generated to prove the proposed method is highly accurate.

scholarly journals Measurement of the turnover of glycogen phosphorylase by GC/MS using stable isotope derivatives of pyridoxine (vitamin B6)

1996 ◽  
Vol 317 (2) ◽  
pp. 613-619 ◽  
Author(s):  
Robert J. BEYNON ◽  
Deborah M. LEYLAND ◽  
Richard P. EVERSHED ◽  
Richard H. T. EDWARDS ◽  
Stephen P. COBURN
Keyword(s):  
Skeletal Muscle ◽  
Stable Isotope ◽  
Vitamin B6 ◽  
Glycogen Phosphorylase ◽  
The Body ◽  
Non Invasive ◽  
Isotope Abundance ◽  
Invasive Method ◽  
Kinetics Of ◽  
Derivatives Of

The majority of vitamin B6 in the body is in skeletal muscle, bound as the cofactor pyridoxal 5´-phosphate to one abundant protein, glycogen phosphorylase. Previous work has established that radiolabelled vitamin B6 can be used as a turnover label for glycogen phosphorylase. In this study, a stable isotope derivative of pyridoxine {dideuterated pyridoxine; 3-hydroxy-4-(hydroxymethyl)-5-[hydroxymethyl-2H2]-2-methylpyridine} ([2H2]PN) has been used as a metabolic tracer to study the kinetics of labelling of the body pools of vitamin B6 in mice. A non-invasive method was developed in which the isotope abundance of the urinary excretory product of vitamin B6 metabolism, 4-pyridoxic acid, was analysed by GC/MS. The change in isotope abundance of urinary 4-pyridoxic acid following administration of [2H2]PN reflects the kinetics of labelling of the body pools of vitamin B6, and yields, non-invasively, the rate of degradation of glycogen phosphorylase.

scholarly journals Enhanced Access to the Health-Related Skin Metabolome by Fast, Reproducible and Non-Invasive WET PREP Sampling

Metabolites ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 415
Author(s):  
Jamie Afghani ◽  
Claudia Huelpuesch ◽  
Philippe Schmitt-Kopplin ◽  
Claudia Traidl-Hoffmann ◽  
Matthias Reiger ◽  
...  
Keyword(s):  
Low Cost ◽  
Sampling Technique ◽  
Ultra Performance Liquid Chromatography ◽  
Reversed Phase ◽  
The Body ◽  
Physical And Mental Health ◽  
Non Invasive ◽  
Health Related ◽  
Invasive Method ◽  
High Consistency

Our skin influences our physical and mental health, and its chemical composition can reflect environmental and disease conditions. Therefore, through sampling the skin metabolome, we can provide a promising window into the mechanisms of the body. However, the broad application of skin metabolomics has recently been hampered by a lack of easy and widely applicable sampling methods. Here, we present a novel rapid, simple, and, most importantly, painless and non-invasive sampling technique suitable for clinical studies of fragile or weakened skin. The method is called WET PREP and is simply a lavage of the skin which focuses on capturing the metabolome. We systematically evaluate WET PREPs in comparison with the non-invasive method of choice in skin metabolomics, swab collection, using ultra-performance liquid chromatography coupled to mass spectrometry (UPLC-MS2) on two complementary chromatographic columns (C18 reversed phase and hydrophilic interaction chromatography). We also integrate targeted analyses of key metabolites of skin relevance. Overall, WET PREP provides a strikingly more stable shared metabolome across sampled individuals, while also being able to capture unique individual metabolites with a high consistency in intra-individual reproducibility. With the exception of (phospho-)lipidomic studies, we recommend WET PREPs as the preferred skin metabolome sampling technique due to the quick preparation time, low cost, and gentleness for the patient.

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