The human brain is lateralized to dominant or non-dominant hemispheres, and controlled through large-scale neural networks between correlated cortical regions. Recently, many neuroimaging studies have been conducted examine the origin of lateralization, but this still unclear. In study, we examined differences in activation subjects according hands while using chopsticks. Fifteen healthy right-handed were recruited perform tasks which included transferring almonds stainless steel Functional...

Predicting emissions from internal combustion engines using traditional mathematical and physical methods presents considerable difficulties due to the complex variable operating conditions of these engines. To address issues, this study employs a novel approach by integrating Marine Predators Algorithm (MPA) with LightGBM model. The optimization algorithm ascertains model's hyperparameters, facilitating accurate emission predictions. Data collected Ricardo engine experiments serve as...

Parkinson's disease (PD) is a neurodegenerative disorder characterized by motor dysfunction and abnormal neural oscillations. These symptoms can be modulated through electrical stimulation. Traditional activity analysis in PD has typically relied on statistical methods, which often introduce bias owing to the need for expert-driven feature extraction. To address this limitation, we explore an explainable artificial intelligence (XAI) approach analyze Parkinsonian rats receiving...

Clarification of the relationship between external stimuli and brain response has been an important topic in neuroscience rehabilitation. In current study, using functional near infrared spectroscopy (fNIRS), we attempted to investigate cortical activation patterns generated during execution a rehabilitation robotic hand.Ten normal subjects were recruited for this study. Passive movements right fingers performed hand at frequency 0.5 Hz. We measured values oxy-hemoglobin (HbO),...

In this paper, a new motion artifact correction method is proposed based on multi-channel functional near-infrared spectroscopy (fNIRS) signals. Recently, wavelet transform and hemodynamic response function-based algorithms were as methods of denoising detrending fNIRS However, these techniques cannot achieve impressive performance in the experimental environment with lots movement such gait rehabilitation tasks because responses have features similar to those artifacts. Moreover, it...

Passive movement, action observation and motor imagery as well execution have been suggested to facilitate the function of human brain. The purpose this study is investigate cortical activation patterns these four modes using a functional near-infrared spectroscopy (fNIRS) system. Seven healthy volunteers underwent optical brain imaging by fNIRS. movements were provided electrical stimulation (FES). Results demonstrated that while all movement commonly activated premotor cortex, there...

Neuromuscular electrical stimulation (NMES) has been used in the field of rehabilitation for a long time. Previous studies on NMES have focused peripheral effect, contrast, relatively little is known about effect cerebral cortex. In current study, we attempted to investigate change cortical activation pattern induced by during execution hand movements normal subjects, using functional near infrared spectroscopy (fNIRS).Twelve healthy subjects were randomly assigned group (six subjects) and...

Brain signal variability in the measurements obtained from different subjects during sessions significantly deteriorates accuracy of most brain-computer interface (BCI) systems. Moreover these variabilities, also known as inter-subject or inter-session require lengthy calibration before BCI system can be used. Furthermore, session has to repeated for each subject independently and use due variability. In this study, we present an algorithm order minimize above-mentioned variabilities...

This study showed an example of neurohaptic interface which can be the direct connector between haptics and brain. We investigated neural activities motion are essential tasks for haptic interaction. Eating was adopted to explore from functional near-infrared spectroscopy (fNIRS) imaging. Subjects carried out real motion, action observation, motor imagery. From this we convinced that observation imagery may create similar active movement. In addition, feasibility fNIRS integrated brain...

Conventional flower or leaf recognition studies have some restrictions and limitations. These include a sharp drop in rate due to the varying positions number of relevant objects original object image. Hence, this paper suggests implements mobile-based system using Difference Image Entropy (DIE) contour features from image with multi-flower objects. In framework includes 1) WiBro Net.-based transmission designation module by drawing region user's interest, 2) feature extraction module, 3)...

The general linear model (GLM) as a standard for fMRI analysis has been applied to fNIRS imaging well. GLM is very likely make false predictions motion artifact in signals. temporal characteristics of normal cerebral hemodynamics are basically the opposite tendency oxy-hemoglobin (HbO) and deoxy-hemoglobin (HbR). When occurs, HbO HbR completely different from cases baseline changes. This paper presents cross-correlation between feature that can determine dynamic noise fNIRS. Since...

Recently, only little is known about the cortical activity of tactile sensation for dominant and subdominant hand. The objective this study was to investigate hemodynamic response human's brain compare Ten healthy adults, 25-35 ages, were enrolled. A 45 channel near-infrared spectroscopy system used measure responses a solenoid resonance actuator utilized stimulate sensation. results showed that both hands on stimulation, corresponding primary sensory cortex supplementary motor area commonly...

The purpose of this study is to investigate cerebral cortex activation during active movement and passive by using a functional near-infrared spectroscopy (fNIRS).Tasks were the flexion/extension right hand finger movement.Oxy-hemoglobin concentration changes calculated from fNIRS analyzed connectivity so as understand dynamical brain relationship.The results demonstrated that in movements similar motor execution.During movement, estimated causality patterns showed significant value...

N-containing gaseous compounds, such as trimethylamine (TMA), triethylamine (TEA), ammonia (NH3), nitrogen monoxide (NO), and dioxide (NO2) exude irritating odors are harmful to the human respiratory system at high concentrations. In this study, we investigated sensing responses of five sensor materials-Al-doped ZnO (AZO) nanoparticles (NPs), Pt-loaded AZO NPs, a WO3 (Pt-WO3) thin film, an Au-loaded (Au-WO3) N-doped graphene-to aforementioned gases concentration 10 parts per million (ppm)....

Abstract Hemispheric asymmetry in hand preference for passive cutaneous perception compared to active haptic is not well known. A functional near-infrared spectroscopy was used evaluate the laterality of cortical facilitation when 31 normal right-handed participants were involved 205 Hz vibrotactile stimuli on their index fingers preferred and less-preferred hand. Passive resulted that (right) stimulation strongly leftward lateralized, whereas (left) less lateralized. This confirms other...

This study aimed to observe adverse events following immunisation (AEFIs) that affected recovery within two weeks after COVID-19 vaccination and investigate their risks in propensity-score-matched populations. Data were collected from 447,346 reports the VAERS between 1 January 2021 31 July 2021. Propensity-score-matched populations constructed by adjusting for demographic characteristics 11 underlying diseases eligible subjects who received of 3 vaccines: 19,462 Ad26.COV2.S, 120,580...

Abstract. Traditional land classification techniques for large areas that use LANDSAT TM imagery are typically limited to the fixed spatial resolution of sensors. For modeling habitat characteristics is often difficult when a study area and diverse complete sampling environmental variables unrealistic. We also did some researches on this field, in paper we firstly introduced decision tree based C5.0, then workflow. The results were compared with Maximum Likelihood Classification result....

Functional near infrared spectroscopy can measure hemodynamic signals, and the results are similar to functional magnetic resonance imaging of blood-oxygen-level-dependent signals. Thus, be employed investigate brain activity by measuring absorption light through an intact skull. Recently, a general linear model, which is standard method for imaging, was applied analysis. However, model fails when signals retain noise, such as that caused subject's movement during measurement. Although...

Abstract. ZiYuan-3 (ZY-3), launched in January 09, 2012, is China's first civilian high-resolution stereo mapping satellite. ZY-3 equipped with three-line scanners (nadir, backward and forward) for mapping, the resolutions of panchromatic (PAN) images are 2.1-m at nadir looking 3.6-m tilt angles ±22° forward looking, respectively. The base-height ratio 0.85-0.95. Compared from two views images, arrays can be used DSM generation taking advantage one more view than conventional photogrammetric...

In this paper, we suggest and implement a flower image recognition system using Difference Image Entropy (hereinafter, DIE) contour information of the object. Conventional studies on or leaf have restrictions limitations that include sharp drop rate due to varying positions number objects in original object image. Hence, paper focuses 1) feature extraction technology by drawing designating region user's interest, 2) distributed processing-based DIE, for robust from given with multi-flower...

Acupuncture is increasingly being used as an alternative treatment for patients with Parkinson’s disease (PD). We aimed to evaluate the effects of acupuncture on gait-related brain function in PD using functional near-infrared spectroscopy (fNIRS). Twenty-four were randomly assigned intervention (acupuncture twice a week 4 weeks) or control (non-treatment) groups. fNIRS experiments applying block design performed at baseline (0 and 4- 8-week follow-up cortical activation connectivity...

Recently, a functional near-infrared spectroscopy (fNIRS) is frequently reported optical brain imaging method from the standpoint of clinical feasibility. This paper was aimed at examining whether fNIRS can be an appropriate modality for checking progress rehabilitation treatments or not. Two healthy adults performed given task. Stand to sit task offered in this study. The results showed that stand movement commonly activated medial primary motor cortex and sensory cortex. A accurately...

This study is to observe the cortical activation pattern by fNIRS and fMRI during grasping in patient with TBI. PMA, SMA, M1, S1 were focused on analysis of activations. The measured BOLD HbR signals t-statistically analyzed using SPM NIRS-SPM, respectively. results showed that contralateral M1 SM1 mainly activated non-affected hand(left) both (fNIRS: p<0.05, fMRI: p<0.001). SMA was movements after analysis. On other hand, ipsilateral affected hand(right) movements(fNIRS: revealed similar...