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Journal of Healthcare Engineering

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https://www.readbyqxmd.com/read/29675142/reviewing-clinical-effectiveness-of-active-training-strategies-of-platform-based-ankle-rehabilitation-robots
#1
REVIEW
Xiangfeng Zeng, Guoli Zhu, Mingming Zhang, Sheng Q Xie
Objective: This review aims to provide a systematical investigation of clinical effectiveness of active training strategies applied in platform-based ankle robots. Method: English-language studies published from Jan 1980 to Aug 2017 were searched from four databases using key words of "Ankle∗ " AND "Robot∗ " AND "Effect∗ OR Improv∗ OR Increas∗ ." Following an initial screening, three rounds of discrimination were successively conducted based on the title, the abstract, and the full paper...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29670743/health-information-system-role-based-access-control-current-security-trends-and-challenges
#2
REVIEW
Marcelo Antonio de Carvalho Junior, Paulo Bandiera-Paiva
Objective: This article objective is to highlight implementation characteristics, concerns, or limitations over role-based access control (RBAC) use on health information system (HIS) using industry-focused literature review of current publishing for that purpose. Based on the findings, assessment for indication of RBAC is obsolete considering HIS authorization control needs. Method: We have selected articles related to our investigation theme "RBAC trends and limitations" in 4 different sources related to health informatics or to the engineering technical field...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29670742/demand-and-financial-constraints-in-eliminating-architectural-and-technical-barriers-for-people-with-disabilities-in-poland
#3
Maria Hełdak, Agnieszka Stacherzak, Katarzyna Przybyła
The purpose of the study is to analyse the availability of financial resources for people with disabilities and to assess the needs satisfaction level of the disabled in order to eliminate architectural and technical barriers in Poland. The research conducted among the disabled affected by physical disability indicates that mobility barriers and obstacles remain among the most important problems encountered by people with disabilities. The research has shown that the problem of barriers increases with age. The elimination of architectural barriers requires, each time, higher financial expenditure, whereas the elimination of technical barriers improves the life quality of people with disabilities at low financial outlays...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29666671/the-comparative-experimental-study-of-multilabel-classification-for-diagnosis-assistant-based-on-chinese-obstetric-emrs
#4
Kunli Zhang, Hongchao Ma, Yueshu Zhao, Hongying Zan, Lei Zhuang
Obstetric electronic medical records (EMRs) contain massive amounts of medical data and health information. The information extraction and diagnosis assistants of obstetric EMRs are of great significance in improving the fertility level of the population. The admitting diagnosis in the first course record of the EMR is reasoned from various sources, such as chief complaints, auxiliary examinations, and physical examinations. This paper treats the diagnosis assistant as a multilabel classification task based on the analyses of obstetric EMRs...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29666670/analysis-of-a-pulse-rate-variability-measurement-using-a-smartphone-camera
#5
András Bánhalmi, János Borbás, Márta Fidrich, Vilmos Bilicki, Zoltán Gingl, László Rudas
Background: Heart rate variability (HRV) provides information about the activity of the autonomic nervous system. Because of the small amount of data collected, the importance of HRV has not yet been proven in clinical practice. To collect population-level data, smartphone applications leveraging photoplethysmography (PPG) and some medical knowledge could provide the means for it. Objective: To assess the capabilities of our smartphone application, we compared PPG (pulse rate variability (PRV)) with ECG (HRV)...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29610656/noninvasive-estimation-of-joint-moments-with-inertial-sensor-system-for-analysis-of-sts-rehabilitation-training
#6
Kun Liu, Jianchao Yan, Yong Liu, Ming Ye
An original approach for noninvasive estimation of lower limb joint moments for analysis of STS rehabilitation training with only inertial measurement units was presented based on a piecewise three-segment STS biomechanical model and a double-sensor difference based algorithm. Joint kinematic and kinetic analysis using a customized wearable sensor system composed of accelerometers and gyroscopes were presented and evaluated compared with a referenced camera system by five healthy subjects and five patients in rehabilitation...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29610655/corneal-vibrations-during-intraocular-pressure-measurement-with-an-air-puff-method
#7
REVIEW
Robert Koprowski, Sławomir Wilczyński
Introduction: The paper presents a commentary on the method of analysis of corneal vibrations occurring during eye pressure measurements with air-puff tonometers, for example, Corvis. The presented definition and measurement method allow for the analysis of image sequences of eye responses-cornea deformation. In particular, the outer corneal contour and sclera fragments are analysed, and 3D reconstruction is performed. Methods: On this basis, well-known parameters such as eyeball reaction or corneal response are determined...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29610654/dynamic-analysis-of-the-abnormal-isometric-strength-movement-pattern-between-shoulder-and-elbow-joint-in-patients-with-hemiplegia
#8
Yali Liu, Yuezhen Hong, Linhong Ji
Patients with hemiplegia usually have weak muscle selectivity and usually perform strength at a secondary joint (secondary strength) during performing a strength at one joint (primary strength). The abnormal strength pattern between shoulder and elbow joint has been analyzed by the maximum value while the performing process with strength changing from 0 to maximum then to 0 was a dynamic process. The objective of this study was to develop a method to dynamically analyze the strength changing process. Ten patients were asked to perform four group asks (maximum and 50% maximum voluntary strength in shoulder abduction, shoulder adduction, elbow flexion, and elbow extension)...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29601054/corrigendum-to-the-effect-of-arch-height-and-material-hardness-of-personalized-insole-on-correction-and-tissues-of-flatfoot
#9
Honglun Su, Zhongjun Mo, Junchao Guo, Yubo Fan
[This corrects the article DOI: 10.1155/2017/8614341.].
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29599959/assisted-protection-headphone-proposal-to-prevent-chronic-exposure-to-percussion-instruments-on-musicians
#10
Lorena Parra, Marta Torres, Jaime Lloret, Agustín Campos, Ignacio Bosh
The effects of chronic exposure to high sound pressure levels (SPLs) are widely studied in the industry environment. However, the way that SPLs affect music students has not been thoroughly examined. In this paper, we study the SPL exposure of batucada students and we propose an assisted protection headphone as a part of e-health system. We measured the SPL reached during a regular percussion class. Pure-tone audiometries were performed to a set of percussion students. The gathered data were statistically analyzed...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29599958/vision-diagnostics-and-treatment-system-for-children-with-disabilities
#11
Pawel Kasprowski, Katarzyna Harezlak
Vision plays a crucial role in children's mental development. Therefore, early diagnosis of any vision disparities and implementation of a correct therapy is very important. However, carrying out such a procedure in case of young children and especially children with brain dysfunctions poses some limitations due to cooperation problems. The vision diagnostics and treatment (VisDaT) system presented in this paper is meant to help therapists in proper diagnosis and treatment involving such children. It utilizes a computer connected to two monitors and equipped with a specialized software...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29599957/a-comprehensive-method-for-accurate-strain-distribution-measurement-of-cell-substrate-subjected-to-large-deformation
#12
Hong He, Rong Zhou, Yuanwen Zou, Xuejin Huang, Jinchuan Li
Cell mechanical stretching in vitro is a fundamental technique commonly used in cardiovascular mechanobiology research. Accordingly, it is crucial to measure the accurate strain field of cell substrate under different strains. Digital image correlation (DIC) is a widely used measurement technique, which is able to obtain the accurate displacement and strain distribution. However, the traditional DIC algorithm used in digital image correlation engine (DICe) cannot obtain accurate result when utilized in large strain measurement...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29599956/advancements-of-image-processing-and-vision-in-healthcare
#13
EDITORIAL
Md Atiqur Rahman Ahad, Syoji Kobashi, João Manuel R S Tavares
No abstract text is available yet for this article.
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29599955/enhancement-of-the-comb-filtering-selectivity-using-iterative-moving-average-for-periodic-waveform-and-harmonic-elimination
#14
José L Ferreira, Yan Wu, Ronald M Aarts
A recurring problem regarding the use of conventional comb filter approaches for elimination of periodic waveforms is the degree of selectivity achieved by the filtering process. Some applications, such as the gradient artefact correction in EEG recordings during coregistered EEG-fMRI, require a highly selective comb filtering that provides effective attenuation in the stopbands and gain close to unity in the pass-bands. In this paper, we present a novel comb filtering implementation whereby the iterative filtering application of FIR moving average-based approaches is exploited in order to enhance the comb filtering selectivity...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29599954/efficient-oct-image-enhancement-based-on-collaborative-shock-filtering
#15
Guohua Liu, Ziyu Wang, Guoying Mu, Peijin Li
Efficient enhancement of noisy optical coherence tomography (OCT) images is a key task for interpreting them correctly. In this paper, to better enhance details and layered structures of a human retina image, we propose a collaborative shock filtering for OCT image denoising and enhancement. Noisy OCT image is first denoised by a collaborative filtering method with new similarity measure, and then the denoised image is sharpened by a shock-type filtering for edge and detail enhancement. For dim OCT images, in order to improve image contrast for the detection of tiny lesions, a gamma transformation is first used to enhance the images within proper gray levels...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29599953/intelligent-control-wheelchair-using-a-new-visual-joystick
#16
Yassine Rabhi, Makrem Mrabet, Farhat Fnaiech
A new control system of a hand gesture-controlled wheelchair (EWC) is proposed. This smart control device is suitable for a large number of patients who cannot manipulate a standard joystick wheelchair. The movement control system uses a camera fixed on the wheelchair. The patient's hand movements are recognized using a visual recognition algorithm and artificial intelligence software; the derived corresponding signals are thus used to control the EWC in real time. One of the main features of this control technique is that it allows the patient to drive the wheelchair with a variable speed similar to that of a standard joystick...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29599952/optical-design-with-narrow-band-imaging-for-a-capsule-endoscope
#17
Chih-Ta Yen, Zong-Wei Lai, Yu-Ting Lin, Hsu-Chih Cheng
The study proposes narrow-band imaging (NBI) lens design of 415 nm and 540 nm of a capsule endoscope (CE). The researches show that in terms of the rate of accuracy in detecting and screening neoplastic and nonneoplastic intestinal lesions, the NBI system outperformed that of traditional endoscopes and rivaled that of chromoendoscopes. In the proposed NBI CE optical system, the simulation result shows the field of view (FOV) was 109.8°; the modulation transfer function (MTF) could achieve 12.5% at 285 lp/mm and 34...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29599951/leukocyte-image-segmentation-using-novel-saliency-detection-based-on-positive-feedback-of-visual-perception
#18
Chen Pan, Wenlong Xu, Dan Shen, Yong Yang
This paper presents a novel method for salient object detection in nature image by simulating microsaccades in fixational eye movements. Due to a nucleated cell usually stained that is salient obviously, the proposed method is suitable to segment nucleated cell. Firstly, the existing fixation prediction method is utilized to produce an initial fixation area. Followed EPELM (ensemble of polyharmonic extreme learning machine) is trained on-line by the pixels sampling from the fixation and nonfixation area. Then the model of EPELM could be used to classify image pixels to form new binary fixation area...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29599950/real-time-eeg-signal-enhancement-using-canonical-correlation-analysis-and-gaussian-mixture-clustering
#19
Chin-Teng Lin, Chih-Sheng Huang, Wen-Yu Yang, Avinash Kumar Singh, Chun-Hsiang Chuang, Yu-Kai Wang
Electroencephalogram (EEG) signals are usually contaminated with various artifacts, such as signal associated with muscle activity, eye movement, and body motion, which have a noncerebral origin. The amplitude of such artifacts is larger than that of the electrical activity of the brain, so they mask the cortical signals of interest, resulting in biased analysis and interpretation. Several blind source separation methods have been developed to remove artifacts from the EEG recordings. However, the iterative process for measuring separation within multichannel recordings is computationally intractable...
2018: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29599949/a-new-remote-health-care-system-based-on-moving-robot-intended-for-the-elderly-at-home
#20
Bing Zhou, Kaige Wu, Pei Lv, Jing Wang, Gang Chen, Bo Ji, Siying Liu
Nowadays, due to the growing need for remote care and the constantly increasing popularity of mobile devices, a large amount of mobile applications for remote care support has been developed. Although mobile phones are very suitable for young people, there are still many problems related to remote health care of the elderly. Due to hearing loss or limited movements, it is difficult for the elderly to contact their families or doctors via real-time video call. In this paper, we introduce a new remote health-care system based on moving robots intended for the elderly at home...
2018: Journal of Healthcare Engineering
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