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https://www.readbyqxmd.com/read/28090510/augmented-and-virtual-reality-in-surgery-the-digital-surgical-environment-applications-limitations-and-legal-pitfalls
#1
REVIEW
Wee Sim Khor, Benjamin Baker, Kavit Amin, Adrian Chan, Ketan Patel, Jason Wong
The continuing enhancement of the surgical environment in the digital age has led to a number of innovations being highlighted as potential disruptive technologies in the surgical workplace. Augmented reality (AR) and virtual reality (VR) are rapidly becoming increasingly available, accessible and importantly affordable, hence their application into healthcare to enhance the medical use of data is certain. Whether it relates to anatomy, intraoperative surgery, or post-operative rehabilitation, applications are already being investigated for their role in the surgeons armamentarium...
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28089570/use-of-augmented-reality-in-laparoscopic-gynecology-to-visualize-myomas
#2
Nicolas Bourdel, Toby Collins, Daniel Pizarro, Clement Debize, Anne-Sophie Grémeau, Adrien Bartoli, Michel Canis
OBJECTIVE: To report the use of augmented reality (AR) in gynecology. DESIGN: AR is a surgical guidance technology that enables important hidden surface structures to be visualized in endoscopic images. AR has been used for other organs, but never in gynecology and never with a very mobile organ like the uterus. We have developed a new AR approach specifically for uterine surgery and demonstrated its use for myomectomy. SETTING: Tertiary university hospital...
January 12, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28047160/su-c-209-06-improving-x-ray-imaging-with-computer-vision-and-augmented-reality
#3
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/28043101/erratum-application-of-virtual-augmented-and-mixed-reality-to-urology
#4
Alaric Hamacher, Su Jin Kim, Sung Tae Cho, Sunil Pardeshi, Seung Hyun Lee, Sung-Jong Eun, Taeg Keun Whangbo
[This corrects the article on p. 172 in vol. 20, PMID: 27706017.].
December 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/28042515/pok%C3%A3-mon-go-and-exposure-to-mosquito-borne-diseases-how-not-to-catch-em-all
#5
Rachel J Oidtman, Rebecca C Christofferson, Quirine A Ten Bosch, Guido Espana, Moritz U G Kraemer, Andrew Tatem, Christopher M Barker, T Alex Perkins
Pokémon Go is a new game that encourages players to venture outdoors and interact with others in the pursuit of virtual Pokémon characters. With more time spent outdoors overall and in sometimes large congregations, Pokémon Go players could inadvertently elevate their risk of exposure to mosquito-borne diseases when playing in certain areas at certain times of year. Here, we make an initial assessment of the possible scope of this concern in the continental United States, which experiences its highest seasonal transmission of West Nile, Zika, and other viruses during summer and early fall...
November 15, 2016: PLoS Currents
https://www.readbyqxmd.com/read/28026799/background-extraction-using-random-walk-image-fusion
#6
Kai-Lung Hua, Hong-Cyuan Wang, Chih-Hsiang Yeh, Wen-Huang Cheng, Yu-Chi Lai
It is important to extract a clear background for computer vision and augmented reality. Generally, background extraction assumes the existence of a clean background shot through the input sequence, but realistically, situations may violate this assumption such as highway traffic videos. Therefore, our probabilistic model-based method formulates fusion of candidate background patches of the input sequence as a random walk problem and seeks a globally optimal solution based on their temporal and spatial relationship...
December 23, 2016: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/27943043/handling-topological-changes-during-elastic-registration-application-to-augmented-reality-in-laparoscopic-surgery
#7
Christoph J Paulus, Nazim Haouchine, Seong-Ho Kong, Renato Vianna Soares, David Cazier, Stephane Cotin
PURPOSE: Locating the internal structures of an organ is a critical aspect of many surgical procedures. Minimally invasive surgery, associated with augmented reality techniques, offers the potential to visualize inner structures, allowing for improved analysis, depth perception or for supporting planning and decision systems. METHODS: Most of the current methods dealing with rigid or non-rigid augmented reality make the assumption that the topology of the organ is not modified...
December 9, 2016: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/27933006/system-to-detect-racial-based-bullying-through-gamification
#8
José A Álvarez-Bermejo, Luis J Belmonte-Ureña, Africa Martos-Martínez, Ana B Barragán-Martín, María Del Mar Simón-Marquez
Prevention and detection of bullying due to racial stigma was studied in school contexts using a system designed following "gamification" principles and integrating less usual elements, such as social interaction, augmented reality and cell phones in educational scenarios. "Grounded Theory" and "User Centered Design" were employed to explore coexistence inside and outside the classroom in terms of preferences and distrust in several areas of action and social frameworks of activity, and to direct the development of a cell phone app for early detection of school bullying scenarios...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27930663/livephantom-retrieving-virtual-world-light-data-to-real-environments
#9
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/27930431/first-person-point-of-view-augmented-reality-for-central-line-insertion-training-a-usability-and-feasibility-study
#10
Lauryn R Rochlen, Robert Levine, Alan R Tait
INTRODUCTION: The value of simulation in medical education and procedural skills training is well recognized. Despite this, many mannequin-based trainers are limited by the inability of the trainee to view the internal anatomical structures. This study evaluates the usability and feasibility of a first-person point-of-view-augmented reality (AR) trainer on needle insertion as a component of central venous catheter placement. METHODS: Forty subjects, including medical students and anesthesiology residents and faculty, participated...
December 8, 2016: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/27916234/phantom-motor-execution-facilitated-by-machine-learning-and-augmented-reality-as-treatment-for-phantom-limb-pain-a-single-group-clinical-trial-in-patients-with-chronic-intractable-phantom-limb-pain
#11
Max Ortiz-Catalan, Rannveig A Guðmundsdóttir, Morten B Kristoffersen, Alejandra Zepeda-Echavarria, Kerstin Caine-Winterberger, Katarzyna Kulbacka-Ortiz, Cathrine Widehammar, Karin Eriksson, Anita Stockselius, Christina Ragnö, Zdenka Pihlar, Helena Burger, Liselotte Hermansson
BACKGROUND: Phantom limb pain is a debilitating condition for which no effective treatment has been found. We hypothesised that re-engagement of central and peripheral circuitry involved in motor execution could reduce phantom limb pain via competitive plasticity and reversal of cortical reorganisation. METHODS: Patients with upper limb amputation and known chronic intractable phantom limb pain were recruited at three clinics in Sweden and one in Slovenia. Patients received 12 sessions of phantom motor execution using machine learning, augmented and virtual reality, and serious gaming...
December 10, 2016: Lancet
https://www.readbyqxmd.com/read/27916233/augmented-reality-for-treatment-of-phantom-limb-pain-are-we-there-yet
#12
Melita Giummarra
No abstract text is available yet for this article.
December 10, 2016: Lancet
https://www.readbyqxmd.com/read/27908072/perceptual-attributes-for-the-comparison-of-head-related-transfer-functions
#13
Laurent S R Simon, Nick Zacharov, Brian F G Katz
The benefit of using individual head-related transfer functions (HRTFs) in binaural audio is well documented with regards to improving localization precision. However, with the increased use of binaural audio in more complex scene renderings, cognitive studies, and virtual and augmented reality simulations, the perceptual impact of HRTF selection may go beyond simple localization. In this study, the authors develop a list of attributes which qualify the perceived differences between HRTFs, providing a qualitative understanding of the perceptual variance of non-individual binaural renderings...
November 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27885161/a-rehabilitation-internet-of-things-in-the-home-to-augment-motor-skills-and-exercise-training
#14
Bruce H Dobkin
Although motor learning theory has led to evidence-based practices, few trials have revealed the superiority of one theory-based therapy over another after stroke. Nor have improvements in skills been as clinically robust as one might hope. We review some possible explanations, then potential technology-enabled solutions. Over the Internet, the type, quantity, and quality of practice and exercise in the home and community can be monitored remotely and feedback provided to optimize training frequency, intensity, and progression at home...
November 23, 2016: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/27856340/pok%C3%A3-mon-go-a-game-changer-for-the-physical-inactivity-crisis
#15
Allana G LeBlanc, Jean-Philippe Chaput
There is an urgent need to find novel strategies aimed at motivating people to go outside and move more. Pokémon Go blends a fun smartphone game with real-life, outdoor physical activity. Initial reports suggest it is a successful population level strategy to increase physical activity levels. Further research is needed to understand the long-term risks and benefits of this new game. Free-to-play location-based augmented reality mobile games are likely to be a new model for promoting healthy active living in the future...
November 14, 2016: Preventive Medicine
https://www.readbyqxmd.com/read/27853384/ehealth-technologies-to-support-nutrition-and-physical-activity-behaviors-in-diabetes-self-management
#16
REVIEW
Megan E Rollo, Elroy J Aguiar, Rebecca L Williams, Katie Wynne, Michelle Kriss, Robin Callister, Clare E Collins
Diabetes is a chronic, complex condition requiring sound knowledge and self-management skills to optimize glycemic control and health outcomes. Dietary intake and physical activity are key diabetes self-management (DSM) behaviors that require tailored education and support. Electronic health (eHealth) technologies have a demonstrated potential for assisting individuals with DSM behaviors. This review provides examples of technologies used to support nutrition and physical activity behaviors in the context of DSM...
2016: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/27834634/high-quality-see-through-surgical-guidance-system-using-enhanced-3d-autostereoscopic-augmented-reality
#17
Xinran Zhang, Guowen Chen, Hongen Liao
OBJECTIVE: Precise minimally invasive surgery (MIS) has significant advantages over traditional open surgery in clinic. Although pre-/intra-operative diagnosis images can provide necessary guidance for therapy, hand-eye discoordination occurs when guidance information is displayed away from the surgical area. In this study, we introduce a real 3D see-through guidance system for precision surgery. METHODS: To address the resolution and viewing angle limitation as well as the accuracy degradation problems of autostereoscopic 3D display, we design a high quality and high accuracy 3D integral videography (IV) medical image display method...
November 3, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/27822467/a-kinect-based-physiotherapy-and-assessment-platform-for-parkinson-s-disease-patients
#18
Ioannis Pachoulakis, Nikolaos Xilourgos, Nikolaos Papadopoulos, Anastasia Analyti
We report on a Kinect-based, augmented reality, real-time physiotherapy platform tailored to Parkinson's disease (PD) patients. The platform employs a Kinect sensor to extract real-time 3D skeletal data (joint information) from a patient facing the sensor (at 30 frames per second). In addition, a small collection of exercises practiced in traditional physiotherapy for PD patients has been implemented in the Unity 3D game engine. Each exercise employs linear or circular movement patterns and poses very light-weight processing demands on real-time computations...
2016: Journal of Medical Engineering
https://www.readbyqxmd.com/read/27806855/here-in-this-issue-and-there-abstract-thinking-augmented-reality-testing
#19
Tamara Vanderwal
No abstract text is available yet for this article.
November 2016: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/27796600/robust-augmented-reality-registration-method-for-localization-of-solid-organs-tumors-using-ct-derived-virtual-biomechanical-model-and-fluorescent-fiducials
#20
Seong-Ho Kong, Nazim Haouchine, Renato Soares, Andrey Klymchenko, Bohdan Andreiuk, Bruno Marques, Galyna Shabat, Thierry Piechaud, Michele Diana, Stéphane Cotin, Jacques Marescaux
BACKGROUND: Augmented reality (AR) is the fusion of computer-generated and real-time images. AR can be used in surgery as a navigation tool, by creating a patient-specific virtual model through 3D software manipulation of DICOM imaging (e.g., CT scan). The virtual model can be superimposed to real-time images enabling transparency visualization of internal anatomy and accurate localization of tumors. However, the 3D model is rigid and does not take into account inner structures' deformations...
October 27, 2016: Surgical Endoscopy
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