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https://www.readbyqxmd.com/read/29665760/nintendo-wii%C3%A2-versus-xbox-kinect%C3%A2-for-assisting-people-with-parkinson-s-disease
#1
Melissa L M Alves, Beatriz S Mesquita, Wenderson S Morais, Josevan C Leal, Corina E Satler, Felipe A Dos Santos Mendes
This study investigated changes in motor and cognitive skills, anxiety levels, and quality of life perception among patients with Parkinson's Disease (PD) following training with different commercial gaming devices-Nintendo Wii™ and Xbox Kinect™. We used a quasi-experimental, simple blinded clinical trial, dividing 27 patients with PD into three equal groups of nine members: (a) Nintendo Wii™, (b) Xbox Kinect™, and (c) control group. After pretests, experimental group participants spent 10 sessions playing four games of the selected gaming device, while control group participants received no intervention...
January 1, 2018: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/29665566/validity-of-motion-analysis-using-the-kinect-system-to-evaluate-single-leg-stance-in-patients-with-hip-disorders
#2
Makoto Asaeda, Wataru Kuwahara, Naoto Fujita, Takuma Yamasaki, Nobuo Adachi
BACKGROUND: Abnormal movements during single leg stance in patients with hip disorders could be detected by the Kinect system as well as the three-dimensional motion analysis system. However, validity of the Kinect system to evaluate single leg stance in patients with hip disorders remains unknown. RESEARCH QUESTION: To investigate the concurrent validity of the Kinect system, relative to the VICON three-dimensional system which is considered as the gold standard for motion analysis, to measure trunk and pelvis alignment during single leg stance...
April 7, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29661748/virtual-reality-cue-refusal-video-game-for-alcohol-and-cigarette-recovery-support-summative-study
#3
Mary Metcalf, Karen Rossie, Katie Stokes, Christina Tallman, Bradley Tanner
BACKGROUND: New technologies such as virtual reality, augmented reality, and video games hold promise to support and enhance individuals in addiction treatment and recovery. Quitting or decreasing cigarette or alcohol use can lead to significant health improvements for individuals, decreasing heart disease risk and cancer risks (for both nicotine and alcohol use), among others. However, remaining in recovery from use is a significant challenge for most individuals. OBJECTIVE: We developed and assessed the Take Control game, a partially immersive Kinect for Windows platform game that allows users to counter substance cues through active movements (hitting, kicking, etc)...
April 16, 2018: JMIR Serious Games
https://www.readbyqxmd.com/read/29650316/seesway-a-free-web-based-system-for-analysing-and-exploring-standing-balance-data
#4
Ross A Clark, Yong-Hao Pua
BACKGROUND AND OBJECTIVES: Computerised posturography can be used to assess standing balance, and can predict poor functional outcomes in many clinical populations. A key limitation is the disparate signal filtering and analysis techniques, with many methods requiring custom computer programs. This paper discusses the creation of a freely available web-based software program, SeeSway (www.rehabtools.org/seesway), which was designed to provide powerful tools for pre-processing, analysing and visualising standing balance data in an easy to use and platform independent website...
June 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29617303/3d-laser-scanner-for-underwater-manipulation
#5
Albert Palomer, Pere Ridao, Dina Youakim, David Ribas, Josep Forest, Yvan Petillot
Nowadays, research in autonomous underwater manipulation has demonstrated simple applications like picking an object from the sea floor, turning a valve or plugging and unplugging a connector. These are fairly simple tasks compared with those already demonstrated by the mobile robotics community, which include, among others, safe arm motion within areas populated with a priori unknown obstacles or the recognition and location of objects based on their 3D model to grasp them. Kinect-like 3D sensors have contributed significantly to the advance of mobile manipulation providing 3D sensing capabilities in real-time at low cost...
April 4, 2018: Sensors
https://www.readbyqxmd.com/read/29608336/achievement-of-virtual-and-real-objects-using-a-short-term-motor-learning-protocol-in-people-with-duchenne-muscular-dystrophy-a-crossover-randomized-controlled-trial
#6
Thais Massetti, Francis Meire Fávero, Lilian Del Ciello de Menezes, Mayra Priscila Boscolo Alvarez, Tânia Brusque Crocetta, Regiani Guarnieri, Fátima L S Nunes, Carlos Bandeira de Mello Monteiro, Talita Dias da Silva
OBJECTIVE: To evaluate whether people with Duchenne muscular dystrophy (DMD) practicing a task in a virtual environment could improve performance given a similar task in a real environment, as well as distinguishing whether there is transference between performing the practice in virtual environment and then a real environment and vice versa. METHODS: Twenty-two people with DMD were evaluated and divided into two groups. The goal was to reach out and touch a red cube...
April 2, 2018: Games for Health
https://www.readbyqxmd.com/read/29599636/the-influence-of-audio-visual-cueing-traffic-light-on-dual-task-walking-in-healthy-older-adults-and-older-adults-with-balance-impairments
#7
Kitchana Kaewkaen, Phongphat Wongsamud, Jiratchaya Ngaothanyaphat, Papawarin Supawarapong, Suraphong Uthama, Worasak Ruengsirarak, Suthin Chanabun, Pratchaya Kaewkaen
Background: The walking gait of older adults with balance impairment is affected by dual tasking. Several studies have shown that external cues can stimulate improvement in older adults' performance. There is, however, no current evidence to support the usefulness of external cues, such as audio-visual cueing, in dual task walking in older adults. Thus, the aim of this study was to investigate the influence of an audio-visual cue (simulated traffic light) on dual task walking in healthy older adults and in older adults with balance impairments...
February 2018: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/29578471/kinect-based-virtual-rehabilitation-and-evaluation-system-for-upper-limb-disorders-a-case-study
#8
W L Ding, Y Z Zheng, Y P Su, X L Li
OBJECTIVE: To help patients with disabilities of the arm and shoulder recover the accuracy and stability of movements, a novel and simple virtual rehabilitation and evaluation system called the Kine-VRES system was developed using Microsoft Kinect. METHODS: First, several movements and virtual tasks were designed to increase the coordination, control and speed of the arm movements. The movements of the patients were then captured using the Kinect sensor, and kinematics-based interaction and real-time feedback were integrated into the system to enhance the motivation and self-confidence of the patient...
March 16, 2018: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29578452/influence-of-upper-limb-movement-patterns-on-accelerometer-measurements-a-pediatric-case-series
#9
Jessica Trac, Jaclyn Dawe, Jirapat Likitlersuang, Kristin E Musselman, Jose Zariffa
Previous studies showed success using wrist-worn accelerometers to monitor upper-limb activity in adults and children with hemiparesis. However, a knowledge gap exists regarding which specific joint movements are reflected in accelerometry readings. We conducted a case series intended to enrich data interpretation by characterizing the influence of different pediatric upper-limb movements on accelerometry data. 
 
 Approach: The study recruited 6 typically developing children and 5 children with hemiparetic cerebral palsy...
March 26, 2018: Physiological Measurement
https://www.readbyqxmd.com/read/29577603/comparative-analysis-of-respiratory-motion-tracking-using-microsoft-kinect-v2-sensor
#10
Evan Silverstein, Michael Snyder
PURPOSE: To present and evaluate a straightforward implementation of a marker-less, respiratory motion-tracking process utilizing Kinect v2 camera as a gating tool during 4DCT or during radiotherapy treatments. METHODS: Utilizing the depth sensor on the Kinect as well as author written C# code, respiratory motion of a subject was tracked by recording depth values obtained at user selected points on the subject, with each point representing one pixel on the depth image...
March 25, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29577074/an-enhanced-teaching-interface-for-a-robot-using-dmp-and-gmr
#11
Chunxu Li, Chenguang Yang, Zhaojie Ju, Andy S K Annamalai
This paper develops an enhanced teaching interface tested on both a Baxter robot and a KUKA iiwa robot. Movements are collected from a human demonstrator by using a Kinect v2 sensor, and then the data is sent to a remote PC for the teleoperation with Baxter. Meanwhile, data is saved locally for the playback process of the Baxter. The dynamic movement primitive (DMP) is used to model and generalize the movements. In order to learn from multiple demonstrations accurately, dynamic time warping (DTW), is used to pretreat the data recorded by the robot platform and Gaussian mixture model (GMM), aiming to generate multiple patterns after the teaching process, are employed for the calculation of the DMP...
2018: International Journal of Intelligent Robotics and Applications
https://www.readbyqxmd.com/read/29572522/non-invasive-quantification-of-human-swallowing-using-a-simple-motion-tracking-system
#12
Hiroaki Hashimoto, Masayuki Hirata, Kazutaka Takahashi, Seiji Kameda, Yuri Katsuta, Fumiaki Yoshida, Noriaki Hattori, Takufumi Yanagisawa, Jason Palmer, Satoru Oshino, Toshiki Yoshimine, Haruhiko Kishima
The number of patients with dysphagia is rapidly increasing due to the ageing of the population. Therefore, the importance of objectively assessing swallowing function has received increasing attention. Videofluoroscopy and videoendoscopy are the standard clinical examinations for dysphagia, but these techniques are not suitable for daily use because of their invasiveness. Here, we aimed to develop a novel, non-invasive method for measuring swallowing function using a motion tracking system, the Kinect v2 sensor...
March 23, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29567306/reliability-and-comparison-of-kinect-based-methods-for-estimating-spatiotemporal-gait-parameters-of-healthy-and-post-stroke-individuals
#13
Jorge Latorre, Roberto Llorens, Carolina Colomer, Mariano Alcañiz
Different studies have analyzed the potential of the off-the-shelf Microsoft Kinect, in its different versions, to estimate spatiotemporal gait parameters as a portable markerless low-cost alternative to laboratory grade systems. However, variability in populations, measures, and methodologies prevents accurate comparison of the results. The objective of this study was to determine and compare the reliability of the existing Kinect-based methods to estimate spatiotemporal gait parameters in healthy and post-stroke adults...
March 13, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29565287/detection-and-compensation-of-degeneracy-cases-for-imu-kinect-integrated-continuous-slam-with-plane-features
#14
HyunGi Cho, Suyong Yeon, Hyunga Choi, Nakju Doh
In a group of general geometric primitives, plane-based features are widely used for indoor localization because of their robustness against noises. However, a lack of linearly independent planes may lead to a non-trivial estimation. This in return can cause a degenerate state from which all states cannot be estimated. To solve this problem, this paper first proposed a degeneracy detection method. A compensation method that could fix orientations by projecting an inertial measurement unit's (IMU) information was then explained...
March 22, 2018: Sensors
https://www.readbyqxmd.com/read/29560548/an-automated-behavior-analysis-system-for-freely-moving-rodents-using-depth-image
#15
Zheyuan Wang, S Abdollah Mirbozorgi, Maysam Ghovanloo
A rodent behavior analysis system is presented, capable of automated tracking, pose estimation, and recognition of nine behaviors in freely moving animals. The system tracks three key points on the rodent body (nose, center of body, and base of tail) to estimate its pose and head rotation angle in real time. A support vector machine (SVM)-based model, including label optimization steps, is trained to classify on a frame-by-frame basis: resting, walking, bending, grooming, sniffing, rearing supported, rearing unsupported, micro-movements, and "other" behaviors...
March 21, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29560446/rehabgame-a-non-immersive-virtual-reality-rehabilitation-system-with-applications-in-neuroscience
#16
Shabnam Sadeghi Esfahlani, Tommy Thompson, Ali Davod Parsa, Ian Brown, Silvia Cirstea
This paper proposes the use of a non-immersive virtual reality rehabilitation system "ReHabgame" developed using Microsoft Kinect™ and the Thalmic™ Labs Myo gesture control armband. The ReHabgame was developed based on two third-person video games that provide a feasible possibility of assessing postural control and functional reach tests. It accurately quantifies specific postural control mechanisms including timed standing balance, functional reach tests using real-time anatomical landmark orientation, joint velocity, and acceleration while end trajectories were calculated using an inverse kinematics algorithm...
February 2018: Heliyon
https://www.readbyqxmd.com/read/29558414/detection-of-cardiopulmonary-activity-and-related-abnormal-events-using-microsoft-kinect-sensor
#17
Ali Al-Naji, Javaan Chahl
Monitoring of cardiopulmonary activity is a challenge when attempted under adverse conditions, including different sleeping postures, environmental settings, and an unclear region of interest (ROI). This study proposes an efficient remote imaging system based on a Microsoft Kinect v2 sensor for the observation of cardiopulmonary-signal-and-detection-related abnormal cardiopulmonary events (e.g., tachycardia, bradycardia, tachypnea, bradypnea, and central apnoea) in many possible sleeping postures within varying environmental settings including in total darkness and whether the subject is covered by a blanket or not...
March 20, 2018: Sensors
https://www.readbyqxmd.com/read/29553555/an-objective-and-child-friendly-assessment-of-arm-function-by-using-a-3-d-sensor
#18
Xing Chen, Detlef Wolf, Juliane Siebourg-Polster, Christian Czech, Ulrike Bonati, Dirk Fischer, Omar Khwaja, Martin Strahm
Progressive and irreversible muscle atrophy characterizes Spinal Muscular Atrophy (SMA) and other similar muscle disorder diseases. Objective assessment of muscle functions is an essential and important, although challenging, prerequisite for successful clinical trials. Current clinical rating scales restrain the movement abnormalities to certain predefined coarse-grained individual items. The Kinect 3-D sensor has emerged as a low-cost and portable motion sensing technology used to capture and track people's movement in many medical and research fields...
February 12, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29536664/low-cost-kinect-version-2-imaging-system-for-breath-hold-monitoring-and-gating-proof-of-concept-study-for-breast-cancer-vmat-radiotherapy
#19
David M Edmunds, Lone Gothard, Komel Khabra, Anna Kirby, Poonam Madhale, Helen McNair, David Roberts, K K Tang, Richard Symonds-Tayler, Fatemeh Tahavori, Kevin Wells, Ellen Donovan
Voluntary inspiration breath hold (VIBH) for left breast cancer patients has been shown to be a safe and effective method of reducing radiation dose to the heart. Currently, VIBH protocol compliance is monitored visually. In this work, we establish whether it is possible to gate the delivery of radiation from an Elekta linac using the Microsoft Kinect version 2 (Kinect v2) depth sensor to measure a patient breathing signal. This would allow contactless monitoring during VMAT treatment, as an alternative to equipment-assisted methods such as active breathing control (ABC)...
March 13, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29534513/research-into-kinect-inertial-measurement-units-based-on-indoor-robots
#20
Huixia Li, Xi Wen, Hang Guo, Min Yu
As indoor mobile navigation suffers from low positioning accuracy and accumulation error, we carried out research into an integrated location system for a robot based on Kinect and an Inertial Measurement Unit (IMU). In this paper, the close-range stereo images are used to calculate the attitude information and the translation amount of the adjacent positions of the robot by means of the absolute orientation algorithm, for improving the calculation accuracy of the robot's movement. Relying on the Kinect visual measurement and the strap-down IMU devices, we also use Kalman filtering to obtain the errors of the position and attitude outputs, in order to seek the optimal estimation and correct the errors...
March 12, 2018: Sensors
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