Download or read book Acoustic Motion Tracking and Its Application written by Huihuang Zheng and published by . This book was released on 2017 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Video games, Virtual Reality (VR), Augmented Reality (AR), and Smart appliances (e.g., smart TVs) all call for a new way for users to interact and control them. This thesis explores high precision acoustic motion tracking system which aims to replace traditional control devices such as mouse and let the user play games, interact with VR/AR headsets, and control smart appliances. We develop a lightweight system which can achieve mm-level tracking accuracy using inaudible sounds. At the heart of our system lies a distributed Frequency Modulated Continuous Waveform (FMCW) which is able to accurately estimate the absolute distance between a receiver and a transmitter that are separate and unsynchronized. We further develop an optimization framework to combine FMCW estimation with Doppler shifts and Inertial Measurement Unit (IMU) measurements to enhance the accuracy, and efficient algorithm to solve the optimization problem. We develop several interesting applications on top of our motion tracking technology, including audio ruler, drawing in the air, and playing motion-controlled games

Download or read book Towards Accurate Object Tracking Using Acoustic Signal written by Sangki Yun and published by . This book was released on 2016 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: We are living in the era of mobile computing where people are surrounded by many smart devices such as smartphone, smart watch, smart TV, and Virtual Reality (VR) headsets. For them, providing intuitive user interface is crucial to satisfy the needs of the users, but their limited form-factor makes them difficult to support natural user interface. Object tracking can provide new opportunity to design intuitive gesture based user interface. First, it can provide more convenient User interface (UI) than traditional controllers and can be used to control a wide variety of Internet of Things devices. For example, it is difficult to use button based controller in VR headsets because users may not see the controller. By tracking the position of the controller or hand, it can control VR applications more intuitively. Second, it can be used to support motion based gaming, which is getting increasingly popular. In this dissertation, we provide accurate object tracking methods that are useful to design intuitive user interface for mobile systems. In particular, we focus on exploiting the acoustic signal to track the movement of the object. While the vision based and the RF signal based object tracking have been extensively investigated, acoustic signal based tracking has not been under explored. The advantage of the acoustic signal based tracking is that it can be enabled by widely available speakers and microphones and can be processed in software without any extra hardware. Using the acoustic signal, we provide two different ways of tracking: 1) tracking mobile devices such as smartphone and smart watch, and 2) device-free tracking that tracks a hand without wearing a device that exploits the reflected signal from the moving hand. In both scenarios, we provide sufficient tracking accuracy so that the mobile or the hand is used as a mouse in the air. First, we develop a system that can accurately track the movement of a mobile device using the acoustic signal. The device to be controlled (e.g., smart TVs) sends the acoustic signal using its speaker, and the mobile device tracks the movement. More specifically, the tracker sends inaudible sound pulses at a few selected frequencies, and uses the frequency shifts to estimate the speed and distance traveled. We then develop techniques to quickly calibrate the distance between speakers and narrow down the devices initial position using its movement trajectory. Based on the information, we continuously track the devices new position in real time. This is feasible because many devices, such as smart TVs, PCs, and laptops, already have multiple speakers. Our evaluation and user study demonstrate that our system achieves high tracking accuracy (e.g., median error of around 1.4 cm) and ease of use. Next, we provide a device-free motion tracking system. It tracks the movement of the hand relying the reflected acoustic signal, which is more challenging. To realize it, we propose a novel approach that can estimate the distance and velocity using a single chirp signal and combine both information to accurately locate the moving hand. Through micro-benchmarks and user studies, we show our system achieves the medium tracking error of 1.94 cm using 2 speakers and 2 microphones on the same computer. Finally, we improve the accuracy of the device-free tracking so that it is applicable for gesture based user interface for smart watches and VR headsets. We design single carrier based data communication system over acoustic channel and observe the channel impulse responses of the reflected signal. By observing the phase change, we can track the movement of the finger accurately. In our experiments using the speaker and the microphones of the commercial mobile device, we show that the finger movement can be tracked very accurately with the tracking error less than 1 centimeter.

Download or read book Motion Tracking and Gesture Recognition written by Carlos Travieso-Gonzalez and published by BoD – Books on Demand. This book was released on 2017-07-12 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nowadays, the technological advances allow developing many applications on different fields. In this book Motion Tracking and Gesture Recognition, two important fields are shown. Motion tracking is observed by a hand-tracking system for surgical training, an approach based on detection of dangerous situation by the prediction of moving objects, an approach based on human motion detection results and preliminary environmental information to build a long-term context model to describe and predict human activities, and a review about multispeaker tracking on different modalities. On the other hand, gesture recognition is shown by a gait recognition approach using Kinect sensor, a study of different methodologies for studying gesture recognition on depth images, and a review about human action recognition and the details about a particular technique based on a sensor of visible range and with depth information.

Download or read book Robotics Concepts Methodologies Tools and Applications written by Management Association, Information Resources and published by IGI Global. This book was released on 2013-10-31 with total page 1801 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book explores some of the most recent developments in robotic motion, artificial intelligence, and human-machine interaction, providing insight into a wide variety of applications and functional areas"--Provided by publisher.

Download or read book Underwater Acoustic Data Processing written by Y. T. Chan and published by Springer Science & Business Media. This book was released on 1989-03-31 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the papers that were accepted for presentation at the 1988 NATO Advanced Study Institute on Underwater Acoustic Data Processing, held at the Royal Military College of Canada from 18 to 29 July, 1988. Approximately 110 participants from various NATO countries were in attendance during this two week period. Their research interests range from underwater acoustics to signal processing and computer science; some are renowned scientists and some are recent Ph.D. graduates. The purpose of the ASI was to provide an authoritative summing up of the various research activities related to sonar technology. The exposition on each subject began with one or two tutorials prepared by invited lecturers, followed by research papers which provided indications of the state of development in that specific area. I have broadly classified the papers into three sections under the titles of I. Propagation and Noise, II. Signal Processing and III. Post Processing. The reader will find in Section I papers on low frequency acoustic sources and effects of the medium on underwater acoustic propagation. Problems such as coherence loss due to boundary interaction, wavefront distortion and multipath transmission were addressed. Besides the medium, corrupting noise sources also have a strong influence on the performance of a sonar system and several researchers described methods of modeling these sources.

Download or read book Principles And Applications Of Spatial Hearing written by Yoiti Suzuki and published by World Scientific. This book was released on 2011-03-11 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: Humans possess a remarkable ability to extract rich three-dimensional information about sound environments simply by analyzing the acoustic signals they receive at their two ears. Research in spatial hearing has evolved from a theoretical discipline studying the basic mechanisms of hearing to a technical discipline focused on designing and implementing increasingly sophisticated spatial auditory display systems. This book contains 39 chapters representing the current state-of-the-art in spatial audio research selected from papers presented in Sendai, Japan, at the First International Workshop on the Principles and Applications of Spatial Hearing.

Download or read book Wireless Algorithms Systems and Applications written by Lei Wang and published by Springer Nature. This book was released on 2022-11-17 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: The three-volume set constitutes the proceedings of the 17th International Conference on Wireless Algorithms, Systems, and Applications, WASA 2022, which was held during October 28-30, 2022. The conference took place in Dalian, China.The 95 full and 62 short papers presented in these proceedings were carefully reviewed and selected from 265 submissions. The contributions in ​algorithms, systems; and applications of internet of things;information processing and data management;radar and sonar networks

Download or read book Springer Handbook of Systematic Musicology written by Rolf Bader and published by Springer. This book was released on 2018-03-21 with total page 1089 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique reference book offers a holistic description of the multifaceted field of systematic musicology, which is the study of music, its production and perception, and its cultural, historical and philosophical background. The seven sections reflect the main topics in this interdisciplinary subject. The first two parts discuss musical acoustics and signal processing, comprehensively describing the mathematical and physical fundamentals of musical sound generation and propagation. The complex interplay of physiology and psychology involved in sound and music perception is covered in the following sections, with a particular focus on psychoacoustics and the recently evolved research on embodied music cognition. In addition, a huge variety of technical applications for professional training, music composition and consumer electronics are presented. A section on music ethnology completes this comprehensive handbook. Music theory and philosophy of music are imbedded throughout. Carefully edited and written by internationally respected experts, it is an invaluable reference resource for professionals and graduate students alike.

Download or read book Cyber Security Intelligence and Analytics written by Zheng Xu and published by Springer Nature. This book was released on 2021-03-10 with total page 932 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the outcomes of the 2021 International Conference on Cyber Security Intelligence and Analytics (CSIA 2021), an international conference dedicated to promoting novel theoretical and applied research advances in the interdisciplinary field of cyber security, particularly focusing on threat intelligence, analytics, and countering cybercrime. The conference provides a forum for presenting and discussing innovative ideas, cutting-edge research findings and novel techniques, methods and applications on all aspects of cyber security intelligence and analytics. Due to COVID-19, Authors, Keynote Speakers and PC committees will attend the conference online.

Download or read book The Industrial Electronics Handbook written by J. David Irwin and published by CRC Press. This book was released on 1997-05-09 with total page 1740 pages. Available in PDF, EPUB and Kindle. Book excerpt: From traditional topics that form the core of industrial electronics, to new and emerging concepts and technologies, The Industrial Electronics Handbook, in a single volume, has the field covered. Nowhere else will you find so much information on so many major topics in the field. For facts you need every day, and for discussions on topics you have only dreamed of, The Industrial Electronics Handbook is an ideal reference.

Download or read book Virtual Reality and Its Application in Education written by Dragan Cvetković and published by BoD – Books on Demand. This book was released on 2021-01-14 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: Virtual reality is a set of technologies that enables two-way communication, from computer to user and vice versa. In one direction, technologies are used to synthesize visual, auditory, tactile, and sometimes other sensory experiences in order to provide the illusion that practically non-existent things can be seen, heard, touched, or otherwise felt. In the other direction, technologies are used to adequately record human movements, sounds, or other potential input data that computers can process and use. This book contains six chapters that cover topics including definitions and principles of VR, devices, educational design principles for effective use of VR, technology education, and use of VR in technical and natural sciences.

Download or read book Intelligent Systems and Applications written by Yaxin Bi and published by Springer Nature. This book was released on 2019-08-23 with total page 1302 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents a remarkable collection of chapters covering a wide range of topics in the areas of intelligent systems and artificial intelligence, and their real-world applications. It gathers the proceedings of the Intelligent Systems Conference 2019, which attracted a total of 546 submissions from pioneering researchers, scientists, industrial engineers, and students from all around the world. These submissions underwent a double-blind peer-review process, after which 190 were selected for inclusion in these proceedings. As intelligent systems continue to replace and sometimes outperform human intelligence in decision-making processes, they have made it possible to tackle a host of problems more effectively. This branching out of computational intelligence in several directions and use of intelligent systems in everyday applications have created the need for an international conference as a venue for reporting on the latest innovations and trends. This book collects both theory and application based chapters on virtually all aspects of artificial intelligence; presenting state-of-the-art intelligent methods and techniques for solving real-world problems, along with a vision for future research, it represents a unique and valuable asset.

Download or read book Virtual Reality written by National Research Council and published by National Academies Press. This book was released on 1995-01-13 with total page 557 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite widespread interest in virtual reality, research and development efforts in synthetic environments (SE)â€"the field encompassing virtual environments, teleoperation, and hybridsâ€"have remained fragmented. Virtual Reality is the first integrated treatment of the topic, presenting current knowledge along with thought-provoking vignettes about a future where SE is commonplace. This volume discusses all aspects of creating a system that will allow human operators to see, hear, smell, taste, move about, give commands, respond to conditions, and manipulate objects effectively in a real or virtual environment. The committee of computer scientists, engineers, and psychologists on the leading edge of SE development explores the potential applications of SE in the areas of manufacturing, medicine, education, training, scientific visualization, and teleoperation in hazardous environments. The committee also offers recommendations for development of improved SE technology, needed studies of human behavior and evaluation of SE systems, and government policy and infrastructure.

Download or read book Ultrasound Elastography for Biomedical Applications and Medicine written by Ivan Z. Nenadic and published by John Wiley & Sons. This book was released on 2019-01-22 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasound Elastography for Biomedical Applications and Medicine Ivan Z. Nenadic, Matthew W. Urban, James F. Greenleaf, Mayo Clinic Ultrasound Research Laboratory, Mayo Clinic College of Medicine, USA Jean-Luc Gennisson, Miguel Bernal, Mickael Tanter, Institut Langevin – Ondes et Images, ESPCI ParisTech CNRS, France Covers all major developments and techniques of Ultrasound Elastography and biomedical applications The field of ultrasound elastography has developed various techniques with the potential to diagnose and track the progression of diseases such as breast and thyroid cancer, liver and kidney fibrosis, congestive heart failure, and atherosclerosis. Having emerged in the last decade, ultrasound elastography is a medical imaging modality that can noninvasively measure and map the elastic and viscous properties of soft tissues. Ultrasound Elastography for Biomedical Applications and Medicine covers the basic physics of ultrasound wave propagation and the interaction of ultrasound with various media. The book introduces tissue elastography, covers the history of the field, details the various methods that have been developed by research groups across the world, and describes its novel applications, particularly in shear wave elastography. Key features: Covers all major developments and techniques of ultrasound elastography and biomedical applications. Contributions from the pioneers of the field secure the most complete coverage of ultrasound elastography available. The book is essential reading for researchers and engineers working in ultrasound and elastography, as well as biomedical engineering students and those working in the field of biomechanics.

Download or read book Therapeutic Ultrasound written by Jean-Michel Escoffre and published by Springer. This book was released on 2015-10-20 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights advances and prospects of a highly versatile and dynamic research field: Therapeutic ultrasound. Leading experts in the field describe a wide range of topics related to the development of therapeutic ultrasound (i.e., high intensity focused ultrasound, microbubble-assisted ultrasound drug delivery, low intensity pulsed ultrasound, ultrasound-sensitive nanocarriers), ranging from the biophysical concepts (i.e., tissue ablation, drug and gene delivery, neuromodulation) to therapeutic applications (i.e., chemotherapy, sonodynamic therapy, sonothrombolysis, immunotherapy, lithotripsy, vaccination). This book is an indispensable source of information for students, researchers and clinicians dealing with non-invasive image-guided ultrasound-based therapeutic interventions in the fields of oncology, neurology, cardiology and nephrology.

Download or read book Intelligent Virtual Agents written by Themis Panayiotopoulos and published by Springer Science & Business Media. This book was released on 2005-08-30 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: The origin of the Intelligent Virtual Agents conference dates from a successful workshop on Intelligent Virtual Environments held in Brighton at the 13th European Conference on Artificial Intelligence (ECAI'98). This workshop was followed by a second one held in Salford in Manchester in 1999. Subsequent events took place in Madrid, Spain in 2001 and Irsee, Germany in 2003 and attracted participants from both sides of the Atlantic as well as Asia. th This volume contains the proceedings of the 5 International Working Conference on Intelligent Virtual Agents, IVA 2005, held on Kos Island, Greece, September 12–14, 2005, which highlighted once again the importance and vigor of the research field. A half-day workshop under the title “Socially Competent IVA’s: We are not alone in this (virtual) world!” also took place as part of this event. IVA 2005 received 69 submissions from Europe, North and South America, Africa and Asia. The papers published here are the 26 full papers and 14 short papers presented at the conference, as well as one-page descriptions of the 15 posters and the descriptions of the featured invited talks by Prof. Justine Cassell, of Northwestern University and Prof. Kerstin Dautenhahn, of the University of Hertfordshire. We would like to thank a number of people that have contributed to the success of this conference. First of all, we thank the authors for their high-quality work and their willingness to share their ideas.

Download or read book Extended Reality written by Lucio Tommaso De Paolis and published by Springer Nature. This book was released on with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: