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https://www.readbyqxmd.com/read/28333650/validation-of-static-and-dynamic-balance-assessment-using-microsoft-kinect-for-young-and-elderly-populations
#1
Moataz Eltoukhy, Christopher Kuenze, Jeonghoon Oh, Joseph Signorile
Reduction in balance is an indicator of fall risk, and therefore, an accurate and cost effective balance assessment tool is essential for prescribing effective postural control strategies. This study established the validity of the Kinect v2 sensor in assessing center of mass (CoM) excursion and velocity during single leg balance and voluntary ankle sway tasks among young and elderly subjects. We compared balance outcome measures (anteroposterior (AP) and mediolateral (ML) CoM excursion and velocity and average sway length) to a traditional three-dimensional motion analysis system...
March 22, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28330455/exergames-versus-self-regulated-exercises-with-instruction-leaflets-to-improve-adherence-during-geriatric-rehabilitation-a-randomized-controlled-trial
#2
Peter Oesch, Jan Kool, Luis Fernandez-Luque, Ellen Brox, Gunn Evertsen, Anton Civit, Roger Hilfiker, Stefan Bachmann
BACKGROUND: Improving mobility in elderly persons is a primary goal in geriatric rehabilitation. Self-regulated exercises with instruction leaflets are used to increase training volume but adherence is often low. Exergames may improve adherence. This study therefore compared exergames with self-regulated exercise using instruction leaflets. The primary outcome was adherence. Secondary outcomes were enjoyment, motivation and balance during walking. METHODS: Design: single center parallel group non-blinded randomized controlled trial with central stratified randomization...
March 23, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28328637/estimating-implant-volume-and-mastectomy-specimen-volume-by-measuring-breast-volume-with-a-3-dimensional-scanner
#3
Hiroki Utsunomiya, Taro Kusano, Nobuhiro Sato, Shinya Yoshimoto
OBJECTIVES: Conventional 2-stage expander-implant breast reconstruction is frequently performed. However, direct to implant reconstruction should be considered if indicated and if circumstances allow. One difficulty in breast reconstruction postmastectomy is selection of the appropriate implant size prior to surgery. The ability to estimate implant volume and mastectomy-specimen volume from the preoperative breast volume using a 3-dimensional (3D) scanner would greatly facilitate reconstruction...
March 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28320691/microsoft-kinect-based-continuous-performance-test-an-objective-attention-deficit-hyperactivity-disorder-assessment
#4
David Delgado-Gomez, Inmaculada Peñuelas-Calvo, Antonio Eduardo Masó-Besga, Silvia Vallejo-Oñate, Itziar Baltasar Tello, Elsa Arrua Duarte, María Constanza Vera Varela, Juan Carballo, Enrique Baca-García
BACKGROUND: One of the major challenges in mental medical care is finding out new instruments for an accurate and objective evaluation of the attention deficit hyperactivity disorder (ADHD). Early ADHD identification, severity assessment, and prompt treatment are essential to avoid the negative effects associated with this mental condition. OBJECTIVE: The aim of our study was to develop a novel ADHD assessment instrument based on Microsoft Kinect, which identifies ADHD cardinal symptoms in order to provide a more accurate evaluation...
March 20, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28320223/kinect-3-a-phase-3-randomized-double-blind-placebo-controlled-trial-of-valbenazine-for-tardive-dyskinesia
#5
Robert A Hauser, Stewart A Factor, Stephen R Marder, Mary Ann Knesevich, Paul M Ramirez, Roland Jimenez, Joshua Burke, Grace S Liang, Christopher F O'Brien
OBJECTIVE: Tardive dyskinesia is a persistent movement disorder induced by dopamine receptor blockers, including antipsychotics. Valbenazine (NBI-98854) is a novel, highly selective vesicular monoamine transporter 2 inhibitor that demonstrated favorable efficacy and tolerability in the treatment of tardive dyskinesia in phase 2 studies. This phase 3 study further evaluated the efficacy, safety, and tolerability of valbenazine as a treatment for tardive dyskinesia. METHOD: This 6-week, randomized, double-blind, placebo-controlled trial included patients with schizophrenia, schizoaffective disorder, or a mood disorder who had moderate or severe tardive dyskinesia...
March 21, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28303100/a-neural-dynamic-architecture-for-reaching-and-grasping-integrates-perception-and-movement-generation-and-enables-on-line-updating
#6
Guido Knips, Stephan K U Zibner, Hendrik Reimann, Gregor Schöner
Reaching for objects and grasping them is a fundamental skill for any autonomous robot that interacts with its environment. Although this skill seems trivial to adults, who effortlessly pick up even objects they have never seen before, it is hard for other animals, for human infants, and for most autonomous robots. Any time during movement preparation and execution, human reaching movement are updated if the visual scene changes (with a delay of about 100 ms). The capability for online updating highlights how tightly perception, movement planning, and movement generation are integrated in humans...
2017: Frontiers in Neurorobotics
https://www.readbyqxmd.com/read/28297270/the-feasibility-of-using-microsoft-kinect-v2-sensors-during-radiotherapy-delivery
#7
David M Edmunds, Sophie E Bashforth, Fatemeh Tahavori, Kevin Wells, Ellen M Donovan
Consumer-grade distance sensors, such as the Microsoft Kinect devices (v1 and v2), have been investigated for use as marker-free motion monitoring systems for radiotherapy. The radiotherapy delivery environment is challenging for such sensors because of the proximity to electromagnetic interference (EMI) from the pulse forming network which fires the magnetron and electron gun of a linear accelerator (linac) during radiation delivery, as well as the requirement to operate them from the control area. This work investigated whether using Kinect v2 sensors as motion monitors was feasible during radiation delivery...
November 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28291092/measuring-patient-mobility-in-the-icu-using-a-novel-noninvasive-sensor
#8
Andy J Ma, Nishi Rawat, Austin Reiter, Christine Shrock, Andong Zhan, Alex Stone, Anahita Rabiee, Stephanie Griffin, Dale M Needham, Suchi Saria
OBJECTIVES: To develop and validate a noninvasive mobility sensor to automatically and continuously detect and measure patient mobility in the ICU. DESIGN: Prospective, observational study. SETTING: Surgical ICU at an academic hospital. PATIENTS: Three hundred sixty-two hours of sensor color and depth image data were recorded and curated into 109 segments, each containing 1,000 images, from eight patients. INTERVENTIONS: None...
April 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28287959/watch-n-patch-unsupervised-learning-of-actions-and-relations
#9
Chenxia Wu, Jiemi Zhang, Ozan Sener, Bart Selman, Silvio Savarese, Ashutosh Saxena
There is a large variation in the activities that humans perform in their everyday lives. We consider modeling these composite human activities which comprises multiple basic level actions in a completely unsupervised setting. Our model learns high-level co-occurrence and temporal relations between the actions. We consider the video as a sequence of short-term action clips, which contains human-words and object-words. An activity is about a set of action-topics and object-topics indicating which actions are present and which objects are interacting with...
March 7, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28286578/validity-of-the-microsoft-kinect-system-in-assessment-of-compensatory-stepping-behavior-during-standing-and-treadmill-walking
#10
Guy Shani, Amir Shapiro, Goldstein Oded, Kagan Dima, Itshak Melzer
BACKGROUND: Rapid compensatory stepping plays an important role in preventing falls when balance is lost; however, these responses cannot be accurately quantified in the clinic. The Microsoft Kinect™ system provides real-time anatomical landmark position data in three dimensions (3D), which may bridge this gap. METHODS: Compensatory stepping reactions were evoked in 8 young adults by a sudden platform horizontal motion on which the subject stood or walked on a treadmill...
2017: European Review of Aging and Physical Activity
https://www.readbyqxmd.com/read/28285574/virtual-reality-exercise-on-a-home-based-phase-iii-cardiac-rehabilitation-program-effect-on-executive-function-quality-of-life-and-depression-anxiety-and-stress-a-randomized-controlled-trial
#11
Ágata Vieira, Cristina Melo, Jorge Machado, Joaquim Gabriel
PURPOSE: To analyse the effect of a six-month home-based phase III cardiac rehabilitation (CR) specific exercise program, performed in a virtual reality (Kinect) or conventional (booklet) environment, on executive function, quality of life and depression, anxiety and stress of subjects with coronary artery disease. METHODS: A randomized controlled trial was conducted with subjects, who had completed phase II, randomly assigned to intervention group 1 (IG1), whose program encompassed the use of Kinect (n = 11); or intervention group 2 (IG2), a paper booklet (n = 11); or a control group (CG), only subjected to the usual care (n = 11)...
March 13, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28283174/real-time-rula-assessment-using-kinect-v2-sensor
#12
Vito Modesto Manghisi, Antonio Emmanuele Uva, Michele Fiorentino, Vitoantonio Bevilacqua, Gianpaolo Francesco Trotta, Giuseppe Monno
The evaluation of the exposure to risk factors in workplaces and their subsequent redesign represent one of the practices to lessen the frequency of work-related musculoskeletal disorders. In this paper we present K2RULA, a semi-automatic RULA evaluation software based on the Microsoft Kinect v2 depth camera, aimed at detecting awkward postures in real time, but also in off-line analysis. We validated our tool with two experiments. In the first one, we compared the K2RULA grand-scores with those obtained with a reference optical motion capture system and we found a statistical perfect match according to the Landis and Koch scale (proportion agreement index = 0...
March 7, 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28269695/a-wirelessly-powered-homecage-with-animal-behavior-analysis-and-closed-loop-power-control
#13
Yaoyao Jia, Zheyuan Wang, Daniel Canales, Morgan Tinkler, Chia-Chun Hsu, Teresa E Madsen, S Abdollah Mirbozorgi, Donald Rainnie, Maysam Ghovanloo
This paper presents a new EnerCage-homecage system, EnerCage-HC2, for longitudinal electrophysiology data acquisition experiments on small freely moving animal subjects, such as rodents. EnerCage-HC2 is equipped with multi-coil wireless power transmission (WPT), closed-loop power control, bidirectional data communication via Bluetooth Low Energy (BLE), and Microsoft Kinect® based animal behavior tracking and analysis. The EnerCage-HC2 achieves a homogeneous power transfer efficiency (PTE) of 14% on average, with ~42 mW power delivered to the load (PDL) at a nominal height of 7 cm by the closed-loop power control mechanism...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269656/automated-classification-of-pathological-gait-after-stroke-using-ubiquitous-sensing-technology
#14
Elham Dolatabadi, Babak Taati, Alex Mihailidis
This study uses machine learning methods to distinguish between healthy and pathological gait. Examples of multi-dimensional pathological and normal gait sequences were collected from post-stroke and healthy individuals in a real clinical setting and with two Kinect sensors. The trajectories of rotational angle and global velocity of selected body joints (hips, spine, shoulders, neck, knees and ankles) over time formed the gait sequences. The combination of k nearest neighbor (kNN) and dynamic time warping (DTW) was used for classification...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269613/detection-of-collaborative-activity-with-kinect-depth-cameras
#15
Loic Sevrin, Norbert Noury, Nacer Abouchi, Fabrice Jumel, Bertrand Massot, Jacques Saraydaryan
The health status of elderly subjects is highly correlated to their activities together with their social interactions. Thus, the long term monitoring in home of their health status, shall also address the analysis of collaborative activities. This paper proposes a preliminary approach of such a system which can detect the simultaneous presence of several subjects in a common area using Kinect depth cameras. Most areas in home being dedicated to specific tasks, the localization enables the classification of tasks, whether collaborative or not...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269544/classification-of-forearm-and-finger-motions-using-electromyogram-and-arm-shape-changes
#16
Yuhei Kamei, Shima Okada
Robot arms for humanoid are widely developed for medical, welfare and education use. Surface electromyogram (sEMG) signals which are the electrical signals obtained from surface of human skin using electrodes have been mainly used for classification of hand motions. However, it is difficult to classify detailed motions such as finger motions and wrist pronation or supination. Moreover, Kinect is an integration sensor device which can capture human joints movement. It also has been widely used for recognition of body motions in many fields...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269481/accuracy-evaluation-of-the-kinect-v2-sensor-during-dynamic-movements-in-a-rehabilitation-scenario
#17
M Capecci, M G Ceravolo, F Ferracuti, S Iarlori, S Longhi, L Romeo, S N Russi, F Verdini
In this paper, the accuracy evaluation of the Kinect v2 sensor is investigated in a rehabilitation scenario. The accuracy analysis is provided in terms of joint positions and angles during dynamic postures used in low-back pain rehabilitation. Although other studies have focused on the validation of the accuracy in terms of joint angles and positions, they present results only considering static postures whereas the rehabilitation exercise monitoring involves to consider dynamic movements with a wide range of motion and issues related to the joints tracking...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269361/data-fusion-of-multiple-kinect-sensors-for-a-rehabilitation-system
#18
Huibin Du, Yiwen Zhao, Jianda Han, Zheng Wang, Guoli Song
Kinect-like depth sensors have been widely used in rehabilitation systems. However, single depth sensor processes limb-blocking, data loss or data error poorly, making it less reliable. This paper focus on using two Kinect sensors and data fusion method to solve these problems. First, two Kinect sensors capture the motion data of the healthy arm of the hemiplegic patient; Second, merge the data using the method of Set-Membership-Filter (SMF); Then, mirror this motion data by the Middle-Plane; In the end, control the wearable robotic arm driving the patient's paralytic arm so that the patient can interactively and initiatively complete a variety of recovery actions prompted by computer with 3D animation games...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269301/accurate-upper-body-rehabilitation-system-using-kinect
#19
Sanjana Sinha, Brojeshwar Bhowmick, Kingshuk Chakravarty, Aniruddha Sinha, Abhijit Das
The growing importance of Kinect as a tool for clinical assessment and rehabilitation is due to its portability, low cost and markerless system for human motion capture. However, the accuracy of Kinect in measuring three-dimensional body joint center locations often fails to meet clinical standards of accuracy when compared to marker-based motion capture systems such as Vicon. The length of the body segment connecting any two joints, measured as the distance between three-dimensional Kinect skeleton joint coordinates, has been observed to vary with time...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269252/patient-walk-detection-in-hospital-room-using-microsoft-kinect-v2
#20
Liang Liu, Sanjay Mehrotra
This paper describes a system using Kinect sensor to detect patient walk automatically in a hospital room setting. The system is especially essential for the case when the patient is alone and the nursing staff is absent. The patient activities are represented by the features extracted from Kinect V2 skeletons. The analysis to the recognized walk could help us to better understand the health situation of the patient and the possible hospital acquired infection (HAI), and provide valuable information to healthcare givers for making a corresponding treatment decision and alteration...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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