keyword
MENU ▼
Read by QxMD icon Read
search

Kinect

keyword
https://www.readbyqxmd.com/read/28077348/user-centered-design-of-serious-games-for-older-adults-following-3-years-of-experience-with-exergames-for-seniors-a-study-design
#1
Ellen Brox, Stathis Th Konstantinidis, Gunn Evertsen
BACKGROUND: Seniors need sufficient balance and strength to manage in daily life, and sufficient physical activity is required to achieve and maintain these abilities. This can be a challenge, but fun and motivational exergames can be of help. However, most commercial games are not suited for this age group for several reasons. Many usability studies and user-centered design (UCD) protocols have been developed and applied, but to the best of our knowledge none of them are focusing on seniors' use of games for physical activity...
January 11, 2017: JMIR Serious Games
https://www.readbyqxmd.com/read/28048831/su-g-jep4-01-an-assessment-of-a-microsoft-kinect-v2-sensor-for-voluntary-breath-hold-monitoring-in-radiotherapy
#2
D Edmunds, E Donovan
PURPOSE: To determine whether the Microsoft Kinect Version 2 (Kinect v2), a commercial off-the-shelf (COTS) depth sensors designed for entertainment purposes, were robust to the radiotherapy treatment environment and could be suitable for monitoring of voluntary breath-hold compliance. This could complement current visual monitoring techniques, and be useful for heart sparing left breast radiotherapy. METHODS: In-house software to control Kinect v2 sensors, and capture output information, was developed using the free Microsoft software development kit, and the Cinder creative coding C++ library...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048329/su-g-jep1-14-respiratory-motion-tracking-using-kinect-v2
#3
E Silverstein, M Snyder
PURPOSE: Investigate capability and accuracy of Kinect v2 camera for tracking respiratory motion to use as a tool during 4DCT or in combination with motion management during radiotherapy treatments. METHODS: Utilizing the depth sensor on the Kinect as well as code written in C#, the respiratory motion of a patient was tracked by recording the depth (distance) values obtained at several points on the patient. Respiratory traces were also obtained using Varian's RPM system, which traces the movement of a propriety marker placed on the patient's abdomen, as well as an Anzai belt, which utilizes a pressure sensor to track respiratory motion...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047382/mo-fg-campus-tep1-02-facial-recognition-and-recall-using-kinect-v2-for-patient-verification
#4
E Silverstein, M Snyder
PURPOSE: Investigate capability and accuracy of the Kinect v2 camera for facial recognition to use as a tool for patient check-in upon arrival, as well as patient verification when entering treatment vault. METHODS: The Kinect software has a native facial recognition feature which recognizes major facial landmarks (eyes, nose, mouth, etc). 1347 facial vertices are automatically generated, each located at a specific facial point at standardized distances between points...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047317/su-f-t-235-optical-scan-based-collision-avoidance-using-multiple-stereotactic-cameras-during-simulation
#5
R Cardan, R Popple, M Dobelbower, J De Los Santos, J Fiveash
PURPOSE: To demonstrate the ability to quickly generate an accurate collision avoidance map using multiple stereotactic cameras during simulation. METHODS: Three Kinect stereotactic cameras were placed in the CT simulation room and optically calibrated to the DICOM isocenter. Immediately before scanning, the patient was optically imaged to generate a 3D polygon mesh, which was used to calculate the collision avoidance area using our previously developed framework...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047160/su-c-209-06-improving-x-ray-imaging-with-computer-vision-and-augmented-reality
#6
R D MacDougall, S Don, B Scherrer
PURPOSE: To determine the feasibility of using a computer vision algorithm and augmented reality interface to reduce repeat rates and improve consistency of image quality and patient exposure in general radiography. METHODS: A prototype device, designed for use with commercially available hardware (Microsoft Kinect 2.0) capable of depth sensing and high resolution/frame rate video, was mounted to the x-ray tube housing as part of a Philips DigitalDiagnost digital radiography room...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046161/technical-note-estimating-body-weight-and-body-composition-of-beef-cattle-trough-digital-image-analysis
#7
R A Gomes, G R Monteiro, G J F Assis, K C Busato, M M Ladeira, M L Chizzotti
The use of digital images could be a faster and cheaper alternative technique to assess BW, HCW, and body composition of beef cattle. The objective of this study was to develop equations to predict body and carcass weight and body fat content of young bulls using digital images obtained through a Microsoft Kinect device. Thirty-five bulls with an initial BW of 383 (±5.38) kg (20 Black Angus, 390 [±7.48] kg initial BW, and 15 Nellore, 377 [±8.66] kg initial BW) were used. The Kinect sensor, installed on the top of a cattle chute, was used to take infrared light-based depth videos, recorded before the slaughter...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28045895/a-framework-for-analyzing-the-whole-body-surface-area-from-a-single-view
#8
Marco Piccirilli, Gianfranco Doretto, Donald Adjeroh
We present a virtual reality (VR) framework for the analysis of whole human body surface area. Usual methods for determining the whole body surface area (WBSA) are based on well known formulae, characterized by large errors when the subject is obese, or belongs to certain subgroups. For these situations, we believe that a computer vision approach can overcome these problems and provide a better estimate of this important body indicator. Unfortunately, using machine learning techniques to design a computer vision system able to provide a new body indicator that goes beyond the use of only body weight and height, entails a long and expensive data acquisition process...
2017: PloS One
https://www.readbyqxmd.com/read/28026798/joint-feature-guided-depth-map-super-resolution-with-face-priors
#9
Shuai Yang, Jiaying Liu, Yuming Fang, Zongming Guo
In this paper, we present a novel method to super-resolve and recover the facial depth map nicely. The key idea is to exploit the exemplar-based method to obtain the reliable face priors from high-quality facial depth map to improve the depth image. Specifically, a new neighbor embedding (NE) framework is designed for face prior learning and depth map reconstruction. First, face components are decomposed to form specialized dictionaries and then reconstructed, respectively. Joint features, i.e., low-level depth, intensity cues and high-level position cues, are put forward for robust patch similarity measurement...
December 22, 2016: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28010182/protocols-for-the-investigation-of-information-processing-in-human-assessment-of-fundamental-movement-skills
#10
Brodie J Ward, Ashleigh Thornton, Brendan Lay, Michael Rosenberg
Fundamental movement skill (FMS) assessment remains an important tool in classifying individuals' level of FMS proficiency. The collection of FMS performances for assessment and monitoring has remained unchanged over the last few decades, but new motion capture technologies offer opportunities to automate this process. To achieve this, a greater understanding of the human process of movement skill assessment is required. The authors present the rationale and protocols of a project in which they aim to investigate the visual search patterns and information extraction employed by human assessors during FMS assessment, as well as the implementation of the Kinect system for FMS capture...
December 23, 2016: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28004980/tele-rehabilitation-service-delivery-journey-from-prototype-to-robust-in-home-use
#11
Rachel Kizony, Patrice L Weiss, Sharon Harel, Yoram Feldman, Alexei Obuhov, Gabi Zeilig, Mordechai Shani
PURPOSE: The purpose of this study is to present a retrospective study on clients with Acquired Brain Injury (ABI) enrolled in a tele-motion-rehabilitation service program for two or more months. METHODS: Data from 82 clients (46 males; 74 with ABI), aged 22-85 years, are reported. The Kinect-based CogniMotion System (ReAbility Online, Gertner Institute, Tel Hashomer, Israel) provided services that included 30-min biweekly sessions. Participants were evaluated prior to and 2 months following the commencement of service with clinical assessments that measured movements and function of the weaker upper extremity and cognitive abilities...
December 22, 2016: Disability and Rehabilitation
https://www.readbyqxmd.com/read/27959802/supporting-one-time-point-annotations-for-gesture-recognition
#12
Long-Van Nguyen-Dinh, Alberto Calatroni, Gerhard Troester
This paper investigates a new annotation technique that reduces significantly the amount of time to annotate training data for gesture recognition. Conventionally, the annotations comprise the start and end times, and the corresponding labels of gestures in sensor recordings. In this work, we propose a one-time point annotation in which labelers do not have to select the start and end time carefully, but just mark a one-time point within the time a gesture is happening. The technique gives more freedom and reduces significantly the burden for labelers...
December 8, 2016: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/27933095/direct-derivation-of-maize-plant-and-crop-height-from-low-cost-time-of-flight-camera-measurements
#13
Martin Hämmerle, Bernhard Höfle
BACKGROUND: In agriculture, information about the spatial distribution of crop height is valuable for applications such as biomass and yield estimation, or increasing field work efficiency in terms of fertilizing, applying pesticides, irrigation, etc. Established methods for capturing crop height often comprise restrictions in terms of cost and time efficiency, flexibility, and temporal and spatial resolution of measurements. Furthermore, crop height is mostly derived from a measurement of the bare terrain prior to plant growth and measurements of the crop surface when plants are growing, resulting in the need of multiple field campaigns...
2016: Plant Methods
https://www.readbyqxmd.com/read/27930663/livephantom-retrieving-virtual-world-light-data-to-real-environments
#14
Hoshang Kolivand, Mark Billinghurst, Mohd Shahrizal Sunar
To achieve realistic Augmented Reality (AR), shadows play an important role in creating a 3D impression of a scene. Casting virtual shadows on real and virtual objects is one of the topics of research being conducted in this area. In this paper, we propose a new method for creating complex AR indoor scenes using real time depth detection to exert virtual shadows on virtual and real environments. A Kinect camera was used to produce a depth map for the physical scene mixing into a single real-time transparent tacit surface...
2016: PloS One
https://www.readbyqxmd.com/read/27929516/the-feasibility-of-using-microsoft-kinect-v2-sensors-during-radiotherapy-delivery
#15
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 sen-sors 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 8, 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/27923177/the-effect-of-exergaming-on-knee-proprioception-in-older-men-a-randomized-controlled-trial
#16
Hassan Sadeghi, Mohammad Nazrul Hakim, Tengku Aizan Hamid, Saidon Bin Amri, Mohsen Razeghi, Mohammadreza Farazdaghi, Elham Shakoor
BACKGROUND: Proprioception is the ability to sense the body position, muscle sense, joint stability and posture. As balance decreases during the process of aging, knee proprioception has a critical role in body balance and daily activities. Exergaming has shown to be a potentially effective and more enjoyable form of exercise delivery. OBJECTIVE: The purpose of this study was to determine the effect of an 8-week Xbox Kinect exercise program on knee proprioception in healthy older adults...
March 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/27922660/combined-vision-and-wearable-sensors-based-system-for-movement-analysis-in-rehabilitation
#17
Sofija Spasojević, Tihomir V Ilić, Slađan Milanović, Veljko Potkonjak, Aleksandar Rodić, José Santos-Victor
BACKGROUND: Traditional rehabilitation sessions are often a slow, tedious, disempowering and non-motivational process, supported by clinical assessment tools, i.e. evaluation scales that are prone to subjective rating and imprecise interpretation of patient's performance. Poor patient motivation and insufficient accuracy are thus critical factors that can be improved by new sensing / processing technologies. OBJECTIVES: We aim to develop a portable and affordable system, suitable for home rehabilitation, which combines vision-based and wearable sensors...
December 6, 2016: Methods of Information in Medicine
https://www.readbyqxmd.com/read/27918704/comparison-of-3d-joint-angles-measured-with-the-kinect-2-0-skeletal-tracker-versus-a-marker-based-motion-capture-system
#18
Trent M Guess, Swithin Razu, Amirhossein Jahandar, Marjorie Skubic, Zhiyu Huo
The Microsoft Kinect is becoming a widely used tool for inexpensive, portable measurement of human motion with the potential to support clinical assessments of performance and function. In this study, the relative osteokinematic Cardan joint angles of the hip and knee were calculated using the Kinect 2.0 skeletal tracker. The pelvis segments of the default skeletal model were reoriented and three-dimensional joint angles were compared to a marker-based system during a drop vertical jump and a hip abduction motion...
December 5, 2016: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/27915225/development-of-a-novel-virtual-reality-gait-intervention
#19
Anna E Boone, Matthew H Foreman, Jack R Engsberg
INTRODUCTION: Improving gait speed and kinematics can be a time consuming and tiresome process. We hypothesize that incorporating virtual reality videogame play into variable improvement goals will improve levels of enjoyment and motivation and lead to improved gait performance. PURPOSE: To develop a feasible, engaging, VR gait intervention for improving gait variables. METHODS: Completing this investigation involved four steps: 1) identify gait variables that could be manipulated to improve gait speed and kinematics using the Microsoft Kinect and free software, 2) identify free internet videogames that could successfully manipulate the chosen gait variables, 3) experimentally evaluate the ability of the videogames and software to manipulate the gait variables, and 4) evaluate the enjoyment and motivation from a small sample of persons without disability...
November 14, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27913628/kinect-system-in-home-based-cardiovascular-rehabilitation
#20
Ágata Vieira, Joaquim Gabriel, Cristina Melo, Jorge Machado
Cardiovascular diseases lead to a high consumption of financial resources. An important part of the recovery process is the cardiovascular rehabilitation. This study aimed to present a new cardiovascular rehabilitation system to 11 outpatients with coronary artery disease from a Hospital in Porto, Portugal, later collecting their opinions. This system is based on a virtual reality game system, using the Kinect sensor while performing an exercise protocol which is integrated in a home-based cardiovascular rehabilitation programme, with a duration of 6 months and at the maintenance phase...
December 1, 2016: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
keyword
keyword
52152
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"