Inertial Measurement Units (IMUs) embedded in commercial mobile devices are a good choice for continuous monitoring healthcare domain due to their attractive form factor and low power consumption. We present improved accurate sensing algorithms using single IMU sense basic events like step count, stride length, fall, immobility etc. Our have been shown perform better than the state of art algorithms, implemented such way that is not bound any specific position or orientation with respect...

Use of EEG signals in measuring cognitive load is a widely practiced area and falls under Brain-Computer-Interfacing (BCI) technology. However this technology uses medical grade devices that are expensive as well not user-friendly for regular use. Recent launch low cost wireless headsets from different companies opens up the possibility commercialization BCI thus drew attention research community all over world. While there numerous studies on with use limited numbers papers reported those...

Mobile smartphones have revolutionized the concept of mobile phones as different apps are built to offer various interesting applications in healthcare, gaming, etc. rather than using phone only for voice services. The application developers take advantage onboard sensors, web connectivity and powerful processing units develop such apps. In this paper, we present an approach where direct acoustic coupling technique is employed quickly conveniently convert into high quality digital...

It is very challenging to provide a learning experience which meaningful, motivated and at the same time enjoyable in nature. This often affects students who cannot learn or do not want due lack of engagement guidance. The scenario also true for working professionals industries. Cognitive flow, defined as mental state subject fully concentrating with feeling full involvement enjoyment, reported play key role this. There are different questionnaire based indirect methods measuring ones' flow...

This paper presents a compact and robust solution to use stereo vision detect pedestrians as well measure their instantaneous distances from the vehicle. simplifies sensor requirements same video information (captured two cameras) is used for detection of measurement corresponding distances. To apply technique novel approach has been made locate identical points on human so that triangulation can be measuring In addition this, also make pedestrian algorithm (based know Viola-Jones...

The paper aims at designing a novel scheme for cognitive load classification of subjects engaged in program analysis. logic propositions has been employed here to construct segments be used analysis and classification. Electroencephalogram signals acquired from the during are first fuzzified resultant fuzzy membership functions then submitted input rule-based classifier determine class subjects. Experimental results envisage that proposed good accuracy 86.2%. Performance further reveals it...

Pulmonary ailments are conventionally diagnosed by spirometry. The complex forceful breathing maneuver as well the extreme cost of spirometry renders it unsuitable in many situations. This work is aimed to facilitate an emerging direction tidal breathing-based pulmonary evaluation designing a novel, equitable, precise and portable device for acquisition analysis directional patterns, real time. proposed system primarily uses in-house designed blow pipe, 40-kHz air-coupled ultrasound...

The paper aims at evaluation of different onscreen keyboard layouts based on the biological responses users. signal used for said purpose is Electroencephalogram acquired by low cost neuro-headset from Emotiv. We propose to use human cognition as fundamental feature discriminate between user-friendly vs. cumbersome layout designs. To validate our observations we compared results with bench marked data user study and KLM-GOMS model. A classifier first trained high tasks well-established...

The major issue with hypertension is the fact that it does not have any symptoms also measurements are highly variable in nature. However, high blood pressure has severe effects on a person's health. This poses requirement for continuous monitoring and analysis of people suffering from chronic condition. In this paper we propose PPG based heart rate system form factor Smart Eye wear. We do feasibility idea show possible to determine by sensing side head region (temple) where spectacle frame...

A novel and compact photoacoustic (PA) sensing system to estimate thermophysical properties of the lubricant oil is presented here. This study simultaneously assesses viscosity temperature industrial grade oil. Unlike conventional PA sensing, which uses high energy pulsed lasers, this presents a compact, continuous wave (CW) laser diode based probe samples; where acoustic interferometry introduced enhance measurement sensitivity. Here, measurements are conducted on different multigrade...

We propose a practical Heart Rate Estimation algorithm utilizing wrist-based photoplethysmography (PPG) signals for continuous health monitoring of crane workers who spend long hours in an isolated cabin the harsh factory environment. Our novelty lies devising low footprint that can reliably estimate presence motion artefact as well offers feasibility deploying on wearable platform. More particularly, our solution addresses two fundamental issues: a) correcting weak wrist PPG signal from...

This paper presents a novel methodology of calculating an object's frequency vibration autonomously using camera and mechanism optical strobing. The used has frame rate 30 fps therefore, in the conventional fashion, it is unable to capture meaningful information about any higher than that. Therefore, we utilize strobing concept with illumination modulo (of division) between captured video. Motion video tracked robust flow technique. Finally, calculated from plot strobe. Experimental results...

In this paper, we propose a novel non-contact vibration measurement system that is competent in estimating linear and/or rotational motions of machine parts. The technique combines microwave radar, standard camera, and optical strobe to capture vibrational or relatively fast affordable manner when compared the current technologies. particular, proposed capable not only measuring common parameters (e.g. frequency, motor rpm, etc.) but also provides spatial information sources so origin each...

Measurement of cognitive load using brain signalsis an important area research in human behavior and psychology. Recently, there have been attempts to use low cost, commercially available Electroencephalogram (EEG) devices for the analysis load. Due reduced number leads, these resolution pose major challenges signal processing as well feature extraction. In this paper, we investigate significant leads or channels that are useful We a standard matching test n-back memory imparting high loads...

In this paper, we intend to demonstrate a novel system measure the high-speed vibration of an anonymous vibrating object using COTS camera and optical strobing. The whole process is unobtrusive frugal, can be used in machine inspection. has frame rate 30 frames per second (fps), so conventional fashion, it incapable detain significant information about any frequency which not range Nyquist theory (within ±15 Hz). We have solved challenge strobing phenomena for capturing modulo (of division)...

This paper presents a methodology of using Kalman filter to minimize the error in stereo vision based distance measurement data (3D position pedestrians). In vision, little point mis-correspondence leads very bad estimate depth during triangulation. There are robust correspondence algorithms but all them suffer from algorithm complexity affecting time performance. If simple used that gave good real performance, then results erroneous measurement. this paper, we have applied...

Heart rate estimation from the wrist-based photo-plethysmography sensor possesses a great challenge due to its poor signal quality. The potential problems are categorized as different optical response of diverse skin tone, inconsistency in placement and off line calibration. In this paper, we propose system which attempts at personalizing wrist PPG calibration with joint objective maximizing quality minimizing energy consumption. Preliminary assessment demonstrates feasibility our proposed...

Recently smartphones are used every area in day-to-day life. Smartphones comes with several built-in sensors like gyroscope, accelerometer etc., along powerful processing units. There exist various frameworks which use mobile as sensing device and data extractor process extracted to calculate parameter. This unit can be resided either side or cloud side, provides flexibility the researcher/developer reduce computation time by migrating transferring side. may create problem of packet dropping...

This paper demonstrates a system capable of capturing directional tidal breathing (inhale/exhale cycles) pattern for application in pulmonary disease diagnostics. The work particularly highlights intelligent usage commercially available Analog Device's phase-gain IC and ultrasound to build such which otherwise requires many fold, more complex circuits/electronics achieve similar sensitivity. makes the compact, affordable yet very sensitive so that it can be reliably used analysis, new trend...

Inertial Measurement Units (IMUs) embedded in commercial mobile devices are a good choice for continuous monitoring healthcare domain due to their attractive form factor and low power consumption. We present improved accurate sensing algorithms sense basic events like step count, stride length, fall, calorie, with accuracies better than those of existing arts. The can be directed server running event analytics, yielding important cues about subject's health. One the spheres is elderly...

Ultrasonic guided wave based inspection is a well-known technique for structural health monitoring in composite sheets. Among various methods, Reconstruction Algorithm Probabilistic Inspection of Damage (RAPID) popular and well accepted defect detection localization. Very recently baseline free version RAPID developed by utilizing non-linear acoustic where two different sets measurements are taken on defected sample, one with very low signal excitation (~5 Volt) another high (~100 Volt)....