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Journal articles on the topic 'Augmented performance'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

Yang, Qi, and Georg Essl. "Evaluating Gesture-Augmented Keyboard Performance." Computer Music Journal 38, no. 4 (December 2014): 68–79. http://dx.doi.org/10.1162/comj_a_00277.

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The technology of depth cameras has made designing gesture-based augmentation for existing instruments inexpensive. We explored the use of this technology to augment keyboard performance with 3-D continuous gesture controls. In a user study, we compared the control of one or two continuous parameters using gestures versus the traditional control using pitch and modulation wheels. We found that the choice of mapping depends on the choice of synthesis parameter in use, and that the gesture control under suitable mappings can outperform pitch-wheel performance when two parameters are controlled simultaneously.

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Wittler, Mary, Nicholas Hartman, David Manthey, Brian Hiestand, and Kim Askew. "Video-augmented feedback for procedural performance." Medical Teacher 38, no. 6 (September 18, 2015): 607–12. http://dx.doi.org/10.3109/0142159x.2015.1075650.

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Burton, Rodney L., F. Douglas Witherspoon, and Shyke A. Goldstein. "Performance of a self‐augmented railgun." Journal of Applied Physics 70, no. 7 (October 1991): 3907–11. http://dx.doi.org/10.1063/1.349199.

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Devanny, David, and Jack McGowan. "Voice-recognition augmented performance tools in performance poetry pedagogy." Research in Drama Education: The Journal of Applied Theatre and Performance 21, no. 3 (June 30, 2016): 401–5. http://dx.doi.org/10.1080/13569783.2016.1194195.

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5

Septiyanti, Septiyanti. "Augmented Reality to Interior Design Company Performance." Journal of Applied Information, Communication and Technology 6, no. 1 (April 25, 2019): 1–12. http://dx.doi.org/10.33555/ejaict.v6i1.59.

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Interior design is an industrial company that works of flow from visual drawing into implementation construction of interior design drawing on site as a framework to fulfilled demand of client needed. Each day interior design company market becomes more high competitiveness as a national or even as a global market, and demand to fulfill with adequately performance to reach global market. In this report depart from previous comprehension; augmented reality can be a purpose effort interior design application for environment experience from computing interaction.

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Xiao, Liu, and Zhang Lei. "Analysis of iridium-augmented GPS positioning performance." Journal of Engineering 2019, no. 20 (October 1, 2019): 7139–43. http://dx.doi.org/10.1049/joe.2019.0533.

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7

Innocenti, Mario, and Ajay Thukral. "Roll-performance criteria for high augmented aircraft." Journal of Guidance, Control, and Dynamics 14, no. 6 (November 1991): 1277–86. http://dx.doi.org/10.2514/3.20784.

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Vortman, J. G., and A. Bar-Lev. "Augmented performance criterion for thermal imaging systems." Journal of the Optical Society of America A 3, no. 5 (May 1, 1986): 750. http://dx.doi.org/10.1364/josaa.3.000750.

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9

Maida, James C., Charles K. Bowen, and John Pace. "Improving Robotic Operator Performance Using Augmented Reality." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 51, no. 27 (October 2007): 1635–39. http://dx.doi.org/10.1177/154193120705102703.

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Robotic operations performed in earth orbit face unique challenges. In the case of the Special Purpose Dexterous Manipulator (SPDM), a two-armed robotic device, operations can last multiple orbital days, with dynamic sunlit days and very dark nights. Direct and indirect visibility can be difficult. This project developed and tested the use of augmented reality technology with a ground based trainer to reduce the negative effects of these conditions. Results of the project showed that twelve skilled operators can significantly reduce positioning errors and time to task completion when using augmented reality techniques.

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Smith, Missie, Valerie Kane, Joseph L. Gabbard, Gary Burnett, and David R. Large. "Augmented Mirrors." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 60, no. 1 (September 2016): 1590–94. http://dx.doi.org/10.1177/1541931213601367.

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This study investigates the effects of Augmented Reality (AR) graphics on a drivers’ distance estimation and depth perception when using a video-based, AR-enhanced driver’s side mirror. Sixteen participants took part in the study, eight in a driving simulator and eight outside in a stationary vehicle. Participants experienced three different AR display image conditions, three different glance patterns, three different target vehicle speeds, and two own-vehicle image conditions. Distance data and confidence data were collected for each particpant and analyzed for any correlation between the conditions and performance. The results suggest that various AR images affected depth judgements and confidence levels. In addition, the vehicle speed and glance pattern of the videos also had significant effects.

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Kumar, Ankur. "Augmented RealityAugmented Reality." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (July 31, 2021): 3510–22. http://dx.doi.org/10.22214/ijraset.2021.37098.

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Augmented Reality (AR), which blends virtual information with the real environment in real-time performance, is constantly evolving and becoming more sophisticated and robust. It is critical to ensure that the augmented reality system is accepted and successful. This paper primarily discusses the current state of AR applications and the various fields in which AR is being used.

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Anil, K. N., and K. A. Damodaran. "Preliminary investigations on improving air-augmented rocket performance." Journal of Propulsion and Power 10, no. 3 (May 1994): 432–34. http://dx.doi.org/10.2514/3.23753.

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Kozak, Rouba, John P. Bruno, and Martin Sarter. "Augmented Prefrontal Acetylcholine Release during Challenged Attentional Performance." Cerebral Cortex 16, no. 1 (March 23, 2005): 9–17. http://dx.doi.org/10.1093/cercor/bhi079.

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14

Rusch, M., E. Dastrup, I. Flynn, J. Lee, S. Vecera, and M. Rizzo. "Effects of augmented reality cues on driver performance." Journal of Vision 10, no. 7 (August 13, 2010): 1051. http://dx.doi.org/10.1167/10.7.1051.

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15

Kim, Byoung Chul, and Jong Soo Choi. "Making artworks and performance based on augmented reality." International Journal of Arts and Technology 1, no. 2 (2008): 230. http://dx.doi.org/10.1504/ijart.2008.021929.

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Deng, Francis. "Diagnostic Performance of Deep Learning–augmented Radiology Residents." Radiology 295, no. 2 (May 2020): E1. http://dx.doi.org/10.1148/radiol.2020200227.

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Birgin, E. G., and J. M. Martínez. "Complexity and performance of an Augmented Lagrangian algorithm." Optimization Methods and Software 35, no. 5 (March 31, 2020): 885–920. http://dx.doi.org/10.1080/10556788.2020.1746962.

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18

Huang, Chien-Jen, and Imad Mahgoub. "Performance analysis of augmented partitioned multistage interconnection networks." Information Sciences 79, no. 1-2 (July 1994): 29–59. http://dx.doi.org/10.1016/0020-0255(94)90038-8.

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Dima, Mariza, and Holly Maples. "Affectual Dramaturgy for Augmented Reality Immersive Heritage Performance." Body, Space & Technology 20, no. 1 (2021): 25–36. http://dx.doi.org/10.16995/bst.368.

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Qamruzzaman, Md. "Nexus between financial innovations, remittances and credit performance: Evidence from augmented ARDL and nonlinear ARDL." Investment Management and Financial Innovations 18, no. 3 (September 10, 2021): 295–311. http://dx.doi.org/10.21511/imfi.18(3).2021.25.

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The motivation for this study is to assess the impact of financial innovation and remittances on bank-based financial institutions’ credit performance in Bangladesh for the period 1981–2019. The study applies augmented ARDL (AARDL) and nonlinear ARDL (NARDL) to identify both long-run and short-run effects and directional causality by performing non-granger casualty tests. AARDL confirms the presence of a long-run association between financial innovation, remittance, trade openness, FDI, and credit performance, which is measured by non-performing loans. In the long run, financial innovation and FDI volatility expose a positive link with NPLs, but remittance inflows and trade openness establish a negative association. Asymmetry shocks in financial innovation reveal a positive relationship with credit performance. In contrast, the asymmetric shock of remittance and trade openness unveil a negative tie to credit performance, especially in the long run. Furthermore, directional causality provides evidence to support a feedback hypothesis explaining causality between financial innovation and credit performance, as well as remittance inflows and credit performance. These findings suggest that credit performance is guided by future development in remittances and financial innovation; thus, closer attention from policymakers and financial experts is persistent to capitalize or mitigate the impact of the financial system.

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Gennatas, Efstathios D., Jerome H. Friedman, Lyle H. Ungar, Romain Pirracchio, Eric Eaton, Lara G. Reichmann, Yannet Interian, et al. "Expert-augmented machine learning." Proceedings of the National Academy of Sciences 117, no. 9 (February 18, 2020): 4571–77. http://dx.doi.org/10.1073/pnas.1906831117.

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Machine learning is proving invaluable across disciplines. However, its success is often limited by the quality and quantity of available data, while its adoption is limited by the level of trust afforded by given models. Human vs. machine performance is commonly compared empirically to decide whether a certain task should be performed by a computer or an expert. In reality, the optimal learning strategy may involve combining the complementary strengths of humans and machines. Here, we present expert-augmented machine learning (EAML), an automated method that guides the extraction of expert knowledge and its integration into machine-learned models. We used a large dataset of intensive-care patient data to derive 126 decision rules that predict hospital mortality. Using an online platform, we asked 15 clinicians to assess the relative risk of the subpopulation defined by each rule compared to the total sample. We compared the clinician-assessed risk to the empirical risk and found that, while clinicians agreed with the data in most cases, there were notable exceptions where they overestimated or underestimated the true risk. Studying the rules with greatest disagreement, we identified problems with the training data, including one miscoded variable and one hidden confounder. Filtering the rules based on the extent of disagreement between clinician-assessed risk and empirical risk, we improved performance on out-of-sample data and were able to train with less data. EAML provides a platform for automated creation of problem-specific priors, which help build robust and dependable machine-learning models in critical applications.

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Saat, Azmah, Nur Izah Ab. Razak, Razif Abas, and Rahmita Wirza O.K. Rahmat. "AUGMENTED REALITY IN FACILITATING LEARNING: A REVIEW." Asia-Pacific Journal of Information Technology and Multimedia 10, no. 01 (June 1, 2021): 74–85. http://dx.doi.org/10.17576/apjitm-2021-1001-07.

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The present study reviews the augmented reality application in the education area. Justification of the use is to improve the learning motivation and outcome of students through the use of a deep learning approach. A deep learning approach is associated with better academic performances. Augmented reality provides a tool to motivate learning and understanding in the student. In the medical domain, augmented reality may serve as replacement of cadavers especially during online learning. The main aim of the current review is to reflect the use of augmented reality as a teaching and learning tool to motivate and promote the deep learning approach process which includes life-long learning and possible research areas that warrant and assess the impact of augmented reality on academic performance. Augmented reality may be a tool in complementing the learning aids of the conventional methods of teaching and learning.

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Tripathi, ShivKumar. "PERFORMANCE ANALYSIS OF DIFFUSER AUGMENTED HORIZONTAL AXIS WIND TURBINE." International Journal of Advanced Research 5, no. 5 (May 31, 2017): 1251–59. http://dx.doi.org/10.21474/ijar01/4240.

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24

Murungi, Mwongeera, and JaeCheon Jung. "Conceptualizing Safety Systems Human Performance improvement using Augmented Reality." Journal of the Korea Society of Systems Engineering 12, no. 2 (December 31, 2016): 81–90. http://dx.doi.org/10.14248/jkosse.2016.12.2.081.

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25

Jamison, K. A., and R. E. Stearns. "Electrical performance of a round bore, augmented, quadrupole railgun." IEEE Transactions on Magnetics 33, no. 1 (1997): 560–65. http://dx.doi.org/10.1109/20.560074.

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26

Menozzi, Marino, Franziska Hofer, Urs N�pflin, and Helmut Krueger. "Visual Performance in Augmented Reality Systems for Mobile Use." International Journal of Human-Computer Interaction 16, no. 3 (December 2003): 447–60. http://dx.doi.org/10.1207/s15327590ijhc1603_4.

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27

Li, Vladislav, Georgios Amponis, Jean-Christophe Nebel, Vasileios Argyriou, Thomas Lagkas, and Panagiotis Sarigiannidis. "OBJECT RECOGNITION FOR AUGMENTED REALITY APPLICATIONS." Azerbaijan Journal of High Performance Computing 4, no. 1 (June 30, 2021): 15–28. http://dx.doi.org/10.32010/26166127.2021.4.1.15.28.

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Developments in the field of neural networks, deep learning, and increases in computing systems’ capacity have allowed for a significant performance boost in scene semantic information extraction algorithms and their respective mechanisms. The work presented in this paper investigates the performance of various object classification- recognition frameworks and proposes a novel framework, which incorporates Super-Resolution as a preprocessing method, along with YOLO/Retina as the deep neural network component. The resulting scene analysis framework was fine-tuned and benchmarked using the COCO dataset, with the results being encouraging. The presented framework can potentially be utilized, not only in still image recognition scenarios but also in video processing.

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Yang, Shu-Hung, Yu-Ying Wang, Ah-Fur Lai, Yi-Nan Lin, Gwo-Jen Chiou, Ming-Kuen Chen, Victor R. L. Shen, and Chi-Yen Hsiung. "Development of a Game-Based e-Learning System with Augmented Reality for Improving Students’ Learning Performance." International Journal of Engineering Education 2, no. 1 (June 15, 2020): 1–10. http://dx.doi.org/10.14710/ijee.2.1.1-10.

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Currently, the school children usually spend a lot of time on the games in their recreational activities and some of them are even addicted to the games. Compared with other extracurricular activities, the e-Learning system reflects the fact that school children are very interested in the games. As a result, educators have lately craved to develop effective teaching activities that allow the school children to learn some subjects and to play the games simultaneously. Therefore, this study is based on an e-Learning system which combines the serious game by Unity3D Game Engine with augmented reality (AR). Students are able to acquire their knowledge and to foster logical skills via this game-based e-Learning system. According to its efficacy and utilities, this study has assessed and compared the game-based e-Learning system with the traditional learning and other e-Learning systems. The experimental results have indicated that the proposed game-based e-Learning system can outperform other existing systems.

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van den Tillaar and Kwan. "The Effects of Augmented Eccentric Loading upon Kinematics and Muscle Activation in Bench Press Performance." Journal of Functional Morphology and Kinesiology 5, no. 1 (January 26, 2020): 8. http://dx.doi.org/10.3390/jfmk5010008.

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The aim of this study was to investigate the effects of an augmented eccentric load upon the kinematics and muscle activation of bench press, and to investigate possible mechanisms behind augmented eccentric loading during the lift. Sixteen resistance-trained males (age 28.5 ± 7.7 years, height 1.78 ± 0.08 m, body mass 80.7 ± 14.3 kg) performed three repetitions at 95/85% of 1RM (augmented eccentric loading), and 85/85% of 1RM (control) in bench press, while barbell kinematics and muscle activation of eight muscles were measured. The main findings were that no kinematic differences between the augmented and control condition were found, only an effect of repetition. Furthermore, augmented loading caused a higher activation of the biceps brachii during the pre-sticking and sticking region, while a lower activation in the sternal part of pectoralis major during the eccentric phase was observed. Based on the present findings, it can be concluded that augmented eccentric loading with 95% of 1RM in bench press did not have any acute positive effect upon the concentric phase of the lift (85% of 1RM) and that the proposed underlying mechanisms like potentiation, increased neural stimulation and preload, and recovery of stored elastic energy does not seem to occur with these loads.

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Hu, Yang, Dave Hollingshead, Mohammad A. Hossain, Mark Schuetz, and Roger French. "Comparison of multi-crystalline silicon PV modules’ performance under augmented solar irradiation." MRS Proceedings 1493 (2013): 3–9. http://dx.doi.org/10.1557/opl.2013.221.

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ABSTRACTIn developing photovoltaic (PV) systems with reliable lifetime performances, it is critical to have quantitative knowledge of not just initial properties and performances, but also their performance over the warrantied 25 year lifetime. In 2010, the Science for Energy Technology Workshop, convened by U.S Department of Energy (DOE) Basic Energy Science, prioritized photovoltaic module lifetime and degradation science (L&DS), which serve as the basis for quantitative and mechanistic understanding of lifetime performance. In order to better understand degradation rates and mechanisms of PV systems in the real-world environment, the SDLE SunFarm at Case Western Reserve University has been created, which is a highly instrumented outdoor test facility with 148 PV modules and > 8000 samples on sun for weathering and degradation studies of materials components and systems designed for long-lived energy systems. I-V and power performance of 10 multi-crystalline silicon PV modules from different manufacturers, using baseline and continuous power monitoring and comprehensive weather and solar resource monitoring, to enable time series analysis for insights into performance characteristics and initial degradation.Five modules from each manufacturer were exposed using mirror augmentation in typical (Cleveland, OH) climatic conditions. The mirror augmentation used geometric concentration factors of 1X, 1.5X and 1.9X of the nominal 1 sun. The effect of mirror augmentation on the modules' performance is reported. A Daystar multi-tracer was used to measure I-V curves of individual modules every 15 minutes while power output under maximum power point tracking was monitored continuously. Monitoring environmental factors (wind speed, wind direction, rainfall, and humidity), solar resource, and module temperatures allow for determination of the effects of these conditions on module power production. Power data was corrected to standard test condition (STC) according to climatic and solar irradiance. Changes in fill factor, short circuit current, open circuit voltage and maximum power are reported for each module. With time series analysis, a better understanding of the module's performance over time and under environmental conditions can be developed.

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Brooks, M. J. "Thermal performance of a solar oven with augmented sunlight concentration." Journal of Energy in Southern Africa 18, no. 2 (May 1, 2007): 4–10. http://dx.doi.org/10.17159/2413-3051/2007/v18i2a3368.

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This paper describes the thermal performance of a novel solar oven that incorporates a compact reflec-tive lens, or ring array, to augment sunlight concen-tration. Performance is reported in terms of the pos-itive effect of the ring array versus a non-concen-trating lid, maximum operating temperature, ther-mal efficiency, performance under partly cloudy skies, and the effects of incidence angle and track-ing. Use of the ring array lens improved thermal efficiency by 4% in the test range up to 100°C, while boosting the maximum operating temperature from 138°C to 196°C. Comparative tests conducted under clear sky conditions against two other com-mercial types showed that when tracked in the azimuth plane at near-normal incidence angles, the new design generated maximum cooking power of 300 W and boiled water at a rate 13% faster than the next best commercial oven tested. Augmented sunlight concentration sensitised the new design to higher angles of incidence and performance was negatively affected in the non-tracked state. Under non-ideal operating conditions, including partial shading by cloud, the oven outperformed both commercial units.

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32

Yasmin, Aqsa, Muhammad A. Shehzad, Xiang Ding, Miaomiao Deng, Jiaying Liao, Qiao Hu, Xiaodong He, Shuo Wang, and Chunhua Chen. "Biomimetic mitochondrial nanostructures boost the battery performance." Sustainable Energy & Fuels 3, no. 8 (2019): 2015–23. http://dx.doi.org/10.1039/c9se00130a.

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Dually carbon-bound biomimetic mitochondrial-shaped LiFePO₄ nanostructures accelerated electrochemical transformations that boosted the lithium-ion battery performance and augmented the cycling life.

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Schmidt, Richard A., and Gabriele Wulf. "Augmented Concurrent Feedback Degrades Learning: Implications for Training and Simulation." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 40, no. 21 (October 1996): 1051–54. http://dx.doi.org/10.1177/154193129604002101.

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Artificially augmented concurrent feedback during training is generally known to be strongly beneficial to performance during practice, but detrimental to the retention and transfer of skills that rely on closed-loop control processes; this relationship is unknown for more rapid open-loop skills, however. Augmented concurrent visual feedback was examined in the acquisition, retention, and transfer of discrete tasks where programming and open-loop processes are strongly involved. During practice, augmented concurrent feedback facilitated performance as indicated by several error measures, relative to a no-concurrent feedback condition. However, augmented concurrent feedback generally degraded accuracy and movement control stability in retention and transfer. These findings have strong relevance for training and simulation where retention and transfer performance is the ultimate goal.

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Cai, Xiao-Yun, and He-Feng Yin. "A sparsity augmented probabilistic collaborative representation based classification method." Journal of Algorithms & Computational Technology 14 (January 2020): 174830262093104. http://dx.doi.org/10.1177/1748302620931042.

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In order to enhance the performance of image recognition, a sparsity augmented probabilistic collaborative representation based classification (SA-ProCRC) method is presented. The proposed method obtains the dense coefficient through ProCRC, then augments the dense coefficient with a sparse one, and the sparse coefficient is attained by the orthogonal matching pursuit (OMP) algorithm. In contrast to conventional methods which require explicit computation of the reconstruction residuals for each class, the proposed method employs the augmented coefficient and the label matrix of the training samples to classify the test sample. Experimental results indicate that the proposed method can achieve promising results for face and scene images. The source code of our proposed SA-ProCRC is accessible at https://github.com/yinhefeng/SAProCRC

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35

Huang, Kejia, Chenliang Wang, Shaohua Wang, Runying Liu, Guoxiong Chen, and Xianglong Li. "An Efficient, Platform-Independent Map Rendering Framework for Mobile Augmented Reality." ISPRS International Journal of Geo-Information 10, no. 9 (September 8, 2021): 593. http://dx.doi.org/10.3390/ijgi10090593.

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With the extensive application of big spatial data and the emergence of spatial computing, augmented reality (AR) map rendering has attracted significant attention. A common issue in existing solutions is that AR-GIS systems rely on different platform-specific graphics libraries on different operating systems, and rendering implementations can vary across various platforms. This causes performance degradation and rendering styles that are not consistent across environments. However, high-performance rendering consistency across devices is critical in AR-GIS, especially for edge collaborative computing. In this paper, we present a high-performance, platform-independent AR-GIS rendering engine; the augmented reality universal graphics library (AUGL) engine. A unified cross-platform interface is proposed to preserve AR-GIS rendering style consistency across platforms. High-performance AR-GIS map symbol drawing models are defined and implemented based on a unified algorithm interface. We also develop a pre-caching strategy, optimized spatial-index querying, and a GPU-accelerated vector drawing algorithm that minimizes IO latency throughout the rendering process. Comparisons to existing AR-GIS visualization engines indicate that the performance of the AUGL engine is two times higher than that of the AR-GIS rendering engine on the Android, iOS, and Vuforia platforms. The drawing efficiency for vector polygons is improved significantly. The rendering performance is more than three times better than the average performances of existing Android and iOS systems.

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Lee, BokHyun. "The Relationship between Technology Life Cycle and Korean Stock Market Performance." International Journal of Financial Studies 6, no. 4 (October 29, 2018): 88. http://dx.doi.org/10.3390/ijfs6040088.

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Through the three industrial revolutions, technology has enabled rapid changes in society. In a capitalist society, capital is invested where there is utility, for example, economic benefit. We intend to determine that the stock price of a company that uses a particular technology will change with the life cycle of the technology in question. Specifically, we filtered companies that mainly deal with augmented reality and are listed in Korea’s KOSDAQ market. We grouped these companies based on detailed technologies that constitute augmented reality. We used the event study method to calculate the stock returns against a benchmark. As a result, in the “Peak of Inflated Expectations” stage, the portfolios of all companies using augmented reality generally show higher returns than the benchmark. However, it is difficult to ascertain whether a return generated based on one of the detailed technologies that make up augmented reality is higher or lower than that of the benchmark. During the “Trough of Disillusionment” phase, there was neither a consistent trend of cumulative abnormal returns (CAR) nor buy-and-hold abnormal returns (BHAR). However, during this stage, there was a positive correlation of average BHAR and average abnormal returns between the entire sample’s portfolio and each detailed technology firm’s portfolio.

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Jeon, Seokhee, Hyeongseop Shim, and Gerard J. Kim. "Viewpoint Usability for Desktop Augmented Reality." International Journal of Virtual Reality 5, no. 3 (January 1, 2006): 33–39. http://dx.doi.org/10.20870/ijvr.2006.5.3.2696.

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In this paper, we have investigated the comparative usability among three different viewing configurations of augmented reality (AR) system that uses a desktop monitor instead of a head mounted display. In many cases, due to operational or cost reasons, the use of head mounted displays may not be viable. Such a configuration is bound to cause usability problems because of the mismatch in the user's proprioception, scale, hand eye coordination, and the reduced 3D depth perception. We asked a pool of subjects to carry out an object manipulation task in three different desktop AR set ups. We measured the subject's task performance and surveyed for the perceived usability and preference. Our results indicated that placing a fixed camera in the back of the user was the best option for convenience and attaching a camera on the user�s head for task performance. The results should provide a valuable guide for designing desktop augmented reality systems without head mounted displays

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Ruan, Yali, Yingting Luo, and Yunmin Zhu. "Globally Optimal Distributed Kalman Filtering for Multisensor Systems with Unknown Inputs." Sensors 18, no. 9 (September 6, 2018): 2976. http://dx.doi.org/10.3390/s18092976.

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In this paper, the state estimation for dynamic system with unknown inputs modeled as an autoregressive AR (1) process is considered. We propose an optimal algorithm in mean square error sense by using difference method to eliminate the unknown inputs. Moreover, we consider the state estimation for multisensor dynamic systems with unknown inputs. It is proved that the distributed fused state estimate is equivalent to the centralized Kalman filtering using all sensor measurement; therefore, it achieves the best performance. The computation complexity of the traditional augmented state algorithm increases with the augmented state dimension. While, the new algorithm shows good performance with much less computations compared to that of the traditional augmented state algorithms. Moreover, numerical examples show that the performances of the traditional algorithms greatly depend on the initial value of the unknown inputs, if the estimation of initial value of the unknown input is largely biased, the performances of the traditional algorithms become quite worse. However, the new algorithm still works well because it is independent of the initial value of the unknown input.

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Caria, Maria, Giuseppe Todde, Gabriele Sara, Marco Piras, and Antonio Pazzona. "Performance and Usability of Smartglasses for Augmented Reality in Precision Livestock Farming Operations." Applied Sciences 10, no. 7 (March 28, 2020): 2318. http://dx.doi.org/10.3390/app10072318.

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In recent years, smartglasses for augmented reality are becoming increasingly popular in professional contexts. However, no commercial solutions are available for the agricultural field, despite the potential of this technology to help farmers. Many head-wearable devices in development possess a variety of features that may affect the smartglasses wearing experience. Over the last decades, dairy farms have adopted new technologies to improve their productivity and profit. However, there remains a gap in the literature as regards the application of augmented reality in livestock farms. Head-wearable devices may offer invaluable benefits to farmers, allowing real-time information monitoring of each animal during on-farm activities. The aim of this study was to expand the knowledge base on how augmented reality devices (smartglasses) interact with farming environments, focusing primarily on human perception and usability. Research has been conducted examining the GlassUp F4 smartglasses during animal selection process. Sixteen participants performed the identification and grouping trials in the milking parlor, reading different types of contents on the augmented reality device optical display. Two questionnaires were used to evaluate the perceived workload and usability of the device. Results showed that the information type could influence the perceived workload and the animal identification process. Smart glasses for augmented reality were a useful tool in the animal genetic improvement program offering promising opportunities for adoption in livestock operations in terms of assessing data consultation and information about animals.

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Humaidi, Amjad J., and Ahmed Ibraheem Abdulkareem. "Design of Augmented Nonlinear PD Controller of Delta/Par4-Like Robot." Journal of Control Science and Engineering 2019 (July 1, 2019): 1–11. http://dx.doi.org/10.1155/2019/7689673.

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This work presents the design of two control schemes for a Delta/Par4-like parallel robot: augmented PD (APD) controller and augmented nonlinear PD (ANPD) controller. The stability of parallel robot based on nonlinear PD controller has been analyzed and proved based on Lyapunov method. A comparison study between APD and ANPD controllers has been made in terms of performance and accuracy improvement of trajectory tracking. Also, another comparison study has been presented between augmented nonlinear PD (ANPD) controller and nonaugmented nonlinear PD (NANPD) controller in order to show the enhancement of introducing the augmented structure on dynamic performance and trajectory tracking accuracy. The effectiveness of augmented PD controllers (APD and ANPD) and nonaugmented nonlinear PD (NANPD) controller for the considered parallel robot are verified via simulation within the MATLAB environment.

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Crocetta, Tânia Brusque, Sandra Rogéria de Oliveira, Carla Maria de Liz, and Alexandro Andrade. "Virtual and augmented reality technologies in Human Performance: a review." Fisioterapia em Movimento 28, no. 4 (December 2015): 823–35. http://dx.doi.org/10.1590/0103-5150.028.004.ar01.

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Abstract Introduction : Today's society is influenced by Information and Communication Technologies. Toys that were once built by hand have been reinterpreted and have become highly commercialized products. In this context, games using Augmented Reality (AR) and Virtual Reality (VR) technologies are present in the everyday lives of children, youth and adults. Objective : To investigate how Physical Education professionals in Brazil have been making use of AR and VR games to benefit their work. Materials and methods : We only included studies that addressed exercise or physical activity using AR or VR games. We searched the databases of Virtual Health Library (VHL) and Scientific Electronic Library Online (SciELO), using the words augmented reality, virtual reality, exergames, Wii and serious games. Results : Nineteen articles were included in the systematic review. The most frequently used device was the Nintendo(r) Wii, with over 25 different kinds of games. With regard to the subjects of the studies, four studies were conducted with healthy individuals (mean = 65.7), three with patients with Parkinson's disease (mean = 18.0), three with elderly women (mean = 7.7) and two with patients with stroke injury (mean = 6.0). Conclusion : Many physical therapists and occupational therapists use serious games with AR or VR technologies as another work tool, especially for rehabilitation practices. The fact that these technologies are also used in Physical Education classes in Brazil indicates that electronic games are available and can be a tool that can contribute to the widespread adoption of exercise as an enjoyable form of recreation.

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Ozdemir, Ahmet Arda, Peter J. Seiler, and Gary J. Balas. "Performance of disturbance augmented control design in turbulent wind conditions." Mechatronics 21, no. 4 (June 2011): 634–44. http://dx.doi.org/10.1016/j.mechatronics.2011.01.008.

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Matveev, Konstantin I., and Ryan K. Soderlund. "Static performance of power-augmented ram vehicle model on water." Ocean Engineering 35, no. 10 (July 2008): 1060–65. http://dx.doi.org/10.1016/j.oceaneng.2008.03.006.

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Rouf Talukder, Javed, Yuge Huang, and Shin-Tson Wu. "High performance LCD for augmented reality and virtual reality displays." Liquid Crystals 46, no. 6 (October 30, 2018): 920–29. http://dx.doi.org/10.1080/02678292.2018.1540067.

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Fredenburg, Karen B., Amelia M. Lee, and Melinda Solmon. "The Effects of Augmented Feedback on Students' Perceptions and Performance." Research Quarterly for Exercise and Sport 72, no. 3 (September 2001): 232–42. http://dx.doi.org/10.1080/02701367.2001.10608956.

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Goldiez, Brian F., Ali M. Ahmad, and Peter A. Hancock. "Effects of Augmented Reality Display Settings on Human Wayfinding Performance." IEEE Transactions on Systems, Man and Cybernetics, Part C (Applications and Reviews) 37, no. 5 (September 2007): 839–45. http://dx.doi.org/10.1109/tsmcc.2007.900665.

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Grier, R. A., H. Thiruvengada, S. R. Ellis, P. Havig, K. S. Hale, and J. G. Hollands. "Augmented Reality – Implications toward Virtual Reality, Human Perception and Performance." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 56, no. 1 (September 2012): 1351–55. http://dx.doi.org/10.1177/1071181312561388.

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Moore, Christopher A., Lawrence W. Weiss, Brian K. Schilling, Andrew C. Fry, and Yuhua Li. "Acute Effects of Augmented Eccentric Loading on Jump Squat Performance." Journal of Strength and Conditioning Research 21, no. 2 (2007): 372. http://dx.doi.org/10.1519/r-18605.1.

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MOORE, CHRISTOPHER A., LAWRENCE W. WEISS, BRIAN K. SCHILLING, ANDREW C. FRY, and YUHUA LI. "ACUTE EFFECTS OF AUGMENTED ECCENTRIC LOADING ON JUMP SQUAT PERFORMANCE." Journal of Strength and Conditioning Research 21, no. 2 (May 2007): 372–77. http://dx.doi.org/10.1519/00124278-200705000-00014.

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Yiping Wang and J. R. Cruz. "Performance enhancement of CDMA cellular systems with augmented antenna arrays." IEEE Journal on Selected Areas in Communications 19, no. 6 (June 2001): 1052–60. http://dx.doi.org/10.1109/49.926361.

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