Relevant bibliographies by topics / Digital computing device

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Digital computing device'

Author: Grafiati
Published: 28 May 2022
Last updated: 29 May 2022

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Journal articles on the topic "Digital computing device"

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Anderson, David P. "BOINC: A Platform for Volunteer Computing." Journal of Grid Computing 18, no. 1 (2019): 99–122. http://dx.doi.org/10.1007/s10723-019-09497-9.

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Abstract“Volunteer computing” is the use of consumer digital devices for high-throughput scientific computing. It can provide large computing capacity at low cost, but presents challenges due to device heterogeneity, unreliability, and churn. BOINC, a widely-used open-source middleware system for volunteer computing, addresses these challenges. We describe BOINC’s features, architecture, implementation, and algorithms.
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Fernández-Soriano, Francisco Luis, Belén López, Raquel Martínez-España, Andrés Muñoz, and Magdalena Cantabella. "Use of Computing Devices as Sensors to Measure Their Impact on Primary and Secondary Students’ Performance." Sensors 19, no. 14 (2019): 3226. http://dx.doi.org/10.3390/s19143226.

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The constant innovation in new technologies and the increase in the use of computing devices in different areas of the society have contributed to a digital transformation in almost every sector. This digital transformation has also reached the world of education, making it possible for members of the educational community to adopt Learning Management Systems (LMS), where the digital contents replacing the traditional textbooks are exploited and managed. This article aims to study the relationship between the type of computing device from which students access the LMS and how affects their performance. To achieve this, the LMS accesses of students in a school comprising from elementary to bachelor’s degree stages have been monitored by means of different computing devices acting as sensors to gather data such as the type of device and operating system used by the students.The main conclusion is that students who access the LMS improve significantly their performance and that the type of device and the operating system has an influence in the number of passed subjects. Moreover, a predictive model has been generated to predict the number of passed subjects according to these factors, showing promising results.
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Burford, Sally, and Sora Park. "The impact of mobile tablet devices on human information behaviour." Journal of Documentation 70, no. 4 (2014): 622–39. http://dx.doi.org/10.1108/jd-09-2012-0123.

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Purpose – Mobile computing devices are a significant access point for information activities. Theories and models of human information behaviour have developed over several decades but have not considered the role of the user's computing device in digital information interactions. The purpose of this paper is to explore the information behaviours of young adults when they are given unlimited access to mobile tablet devices. Design/methodology/approach – As information tasks, behaviours and communities shift into digital environments, a researcher of these phenomena is required to mirror that movement with techniques that allow a full exploration of human behaviour and interaction in the online world. Following Kozinets (2009), “netnography” (ethnography in online communities) is applied in this study and all data are collected online from within a community of iPad users, established for the research purpose. Findings – This study reveals that access to mobile tablet devices creates significant shifts in the behaviours of young adults whose lives are immersed in digital information. Mobile tablet devices establish the potential for constant access to digital information and that opportunity is grasped by the participants in this research. Extensive use of mobile device applications or “apps” establishes a more selected and restricted view of information than that encountered in the open and expansive World Wide Web. Originality/value – This paper invites extension to human information behaviour theories and models to include a consideration of computing access device and of new mobility and constancy of access – all of which changes the circumstances and behaviour of the information actor.
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Yoon, Chansoo, Gwangtaek Oh, and Bae Ho Park. "Ion-Movement-Based Synaptic Device for Brain-Inspired Computing." Nanomaterials 12, no. 10 (2022): 1728. http://dx.doi.org/10.3390/nano12101728.

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As the amount of data has grown exponentially with the advent of artificial intelligence and the Internet of Things, computing systems with high energy efficiency, high scalability, and high processing speed are urgently required. Unlike traditional digital computing, which suffers from the von Neumann bottleneck, brain-inspired computing can provide efficient, parallel, and low-power computation based on analog changes in synaptic connections between neurons. Synapse nodes in brain-inspired computing have been typically implemented with dozens of silicon transistors, which is an energy-intensive and non-scalable approach. Ion-movement-based synaptic devices for brain-inspired computing have attracted increasing attention for mimicking the performance of the biological synapse in the human brain due to their low area and low energy costs. This paper discusses the recent development of ion-movement-based synaptic devices for hardware implementation of brain-inspired computing and their principles of operation. From the perspective of the device-level requirements for brain-inspired computing, we address the advantages, challenges, and future prospects associated with different types of ion-movement-based synaptic devices.
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Koprawi, Muhammad. "Parallel Computation in Uncompressed Digital Images Using Computer Unified Device Architecture and Open Computing Language." PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic 8, no. 1 (2020): 31–38. http://dx.doi.org/10.33558/piksel.v8i1.2017.

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In general, a computer program will execute instructions serially. These instructions will be run on the CPU or referred to as serial computing. But when computing is run in large numbers, the time required by serial computing becomes very long. Therefore, we need another computation that can streamline data processing time such as parallel computing. Parallel computing can be done on GPUs (Graphical Processing Units) that are run with the help of toolkits such as CUDA (Computer Unified Device Architecture) and OpenCL (Open Computing Language). CUDA can only be run on NVIDIA graphics cards, while OpenCL can be run on all types of graphics cards. This research will compare the performance of parallel computing time between CUDA and OpenCL tested on uncompressed digital images. The digital image tested has several different sizes. The results of the study are expected to be a reference for digital image processing methods.
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Yeh, Her-Tyan, Juing-Shian Chiou, and Ting-Jun Zhou. "A Karaoke System with Real-Time Media Merging and Sharing Functions for a Cloud-Computing-Integrated Mobile Device." Mathematical Problems in Engineering 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/713589.

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Mobile devices such as personal digital assistants (PDAs), smartphones, and tablets have increased in popularity and are extremely efficient for work-related, social, and entertainment uses. Popular entertainment services have also attracted substantial attention. Thus, relevant industries have exerted considerable efforts in establishing a method by which mobile devices can be used to develop excellent and convenient entertainment services. Because cloud-computing technology is mature and possesses a strong computing processing capacity, integrating this technology into the entertainment service function in mobile devices can reduce the data load on a system and maintain mobile device performances. This study combines cloud computing with a mobile device to design a karaoke system that contains real-time media merging and sharing functions. This system enables users to download music videos (MVs) from their mobile device and sing and record their singing by using the device. They can upload the recorded song to the cloud server where it is merged with real-time media. Subsequently, by employing a media streaming technology, users can store their personal MVs in their mobile device or computer and instantaneously share these videos with others on the Internet. Through this process, people can instantly watch shared videos, enjoy the leisure and entertainment effects of mobile devices, and satisfy their desire for singing.
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Casadei, Roberto, Danilo Pianini, Mirko Viroli, and Danny Weyns. "Digital Twins, Virtual Devices, and Augmentations for Self-Organising Cyber-Physical Collectives." Applied Sciences 12, no. 1 (2021): 349. http://dx.doi.org/10.3390/app12010349.

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The engineering of large-scale cyber-physical systems (CPS) increasingly relies on principles from self-organisation and collective computing, enabling these systems to cooperate and adapt in dynamic environments. CPS engineering also often leverages digital twins that provide synchronised logical counterparts of physical entities. In contrast, sensor networks rely on the different but related concept of virtual device that provides an abstraction of a group of sensors. In this work, we study how such concepts can contribute to the engineering of self-organising CPSs. To that end, we analyse the concepts and devise modelling constructs, distinguishing between identity correspondence and execution relationships. Based on this analysis, we then contribute to the novel concept of “collective digital twin” (CDT) that captures the logical counterpart of a collection of physical devices. A CDT can also be “augmented” with purely virtual devices, which may be exploited to steer the self-organisation process of the CDT and its physical counterpart. We underpin the novel concept with experiments in the context of the pulverisation framework of aggregate computing, showing how augmented CDTs provide a holistic, modular, and cyber-physically integrated system view that can foster the engineering of self-organising CPSs.
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Milo, Valerio, Gerardo Malavena, Christian Monzio Compagnoni, and Daniele Ielmini. "Memristive and CMOS Devices for Neuromorphic Computing." Materials 13, no. 1 (2020): 166. http://dx.doi.org/10.3390/ma13010166.

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Neuromorphic computing has emerged as one of the most promising paradigms to overcome the limitations of von Neumann architecture of conventional digital processors. The aim of neuromorphic computing is to faithfully reproduce the computing processes in the human brain, thus paralleling its outstanding energy efficiency and compactness. Toward this goal, however, some major challenges have to be faced. Since the brain processes information by high-density neural networks with ultra-low power consumption, novel device concepts combining high scalability, low-power operation, and advanced computing functionality must be developed. This work provides an overview of the most promising device concepts in neuromorphic computing including complementary metal-oxide semiconductor (CMOS) and memristive technologies. First, the physics and operation of CMOS-based floating-gate memory devices in artificial neural networks will be addressed. Then, several memristive concepts will be reviewed and discussed for applications in deep neural network and spiking neural network architectures. Finally, the main technology challenges and perspectives of neuromorphic computing will be discussed.
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Saxena, Vishal, Xinyu Wu, Ira Srivastava, and Kehan Zhu. "Towards Neuromorphic Learning Machines Using Emerging Memory Devices with Brain-Like Energy Efficiency." Journal of Low Power Electronics and Applications 8, no. 4 (2018): 34. http://dx.doi.org/10.3390/jlpea8040034.

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The ongoing revolution in Deep Learning is redefining the nature of computing that is driven by the increasing amount of pattern classification and cognitive tasks. Specialized digital hardware for deep learning still holds its predominance due to the flexibility offered by the software implementation and maturity of algorithms. However, it is being increasingly desired that cognitive computing occurs at the edge, i.e., on hand-held devices that are energy constrained, which is energy prohibitive when employing digital von Neumann architectures. Recent explorations in digital neuromorphic hardware have shown promise, but offer low neurosynaptic density needed for scaling to applications such as intelligent cognitive assistants (ICA). Large-scale integration of nanoscale emerging memory devices with Complementary Metal Oxide Semiconductor (CMOS) mixed-signal integrated circuits can herald a new generation of Neuromorphic computers that will transcend the von Neumann bottleneck for cognitive computing tasks. Such hybrid Neuromorphic System-on-a-chip (NeuSoC) architectures promise machine learning capability at chip-scale form factor, and several orders of magnitude improvement in energy efficiency. Practical demonstration of such architectures has been limited as performance of emerging memory devices falls short of the expected behavior from the idealized memristor-based analog synapses, or weights, and novel machine learning algorithms are needed to take advantage of the device behavior. In this article, we review the challenges involved and present a pathway to realize large-scale mixed-signal NeuSoCs, from device arrays and circuits to spike-based deep learning algorithms with ‘brain-like’ energy-efficiency.
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Efanov, D. V. "Fault-tolerant Structures of Digital Devices Based on Boolean Complement with the Calculations Checking by Sum Codes." Èlektronnoe modelirovanie 43, no. 5 (2021): 21–42. http://dx.doi.org/10.15407/emodel.43.05.021.

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The article considers the construction of fault-tolerant digital devices and computing systems that does not use the principles of introducing modular redundancy. To correct the signals, a special distorted signal fixation unit, concurrent error-detection by the pre-selected redundant code circuit, as well as a signal correction block are used. The distorted signal fixation unit is implemented by the Boolean complement method, which makes it possible to design a large number of such blocks with different indicators of technical implementation complexity. When synthesizing a fault-tolerant device according to the proposed method, it is possible to organize a concurrent error-detection circuit for both the source device and the Boolean complement block in the structure of the distorted signal fixation unit. This makes it possible to choose among the variety of ways to implement fault-tolerant devices according to the proposed method, one that gives a device with the least structural redundancy. Various redundant codes can be used to organize concurrent error-detection circuits, including classical and modified sum codes. The author provides algorithms for the synthesis of distorted signal fixation unit and the Boolean complement block. The results of experimental researches with combinational benchmarks devices from the well-known LG’91 and MCNC Benchmarks sets are highlighted. The article presents the possibilities of the considered method for the organization of faulttolerant digital devices and computing systems.
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Dissertations / Theses on the topic "Digital computing device"

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Nguyen, Doc Lap. "Digital Receipt System Using Mobile Device Technologies." ScholarWorks@UNO, 2008. http://scholarworks.uno.edu/td/705.

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Cell phones are the most prevalent computing devices. They come pre-loaded with many different functions such as a digital camera, a mobile web browser, a streaming media player, games, GPS navigation, and more. However, if the banks have their way, the cell phone may become the preferred method of payment for everyday purchases. When that happens, there will be a need to securely send and store the receipt information so that they can be quickly analyzed. This thesis will demonstrate the use of a Digital Receipt system to manage transactions using Bluetooth technology to communicate between mobile devices. This expands on a previous thesis titled "Bi-Directional Information Exchange with Handheld Computing Devices." (Qaddoura, 2006) Cell phones have now been added into the setup. Thereby, expanding the Digital Receipt concept to include many more affordable computing devices, thus, increasing the likelihood that this application will be accepted by the general public.
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Павлов, Андрій Володимирович, Андрей Владимирович Павлов, Andrii Volodymyrovych Pavlov та И. Е. Бурик. "Методика повышения общей устойчивости цифровых систем управления в процессе их синтеза". Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/10407.

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Важное место при проектировании цифровых систем управления (ЦСУ) занимает задача разработки алгоритма работы цифрового вычислительного устройства (ЦВУ) по выработке управляющего воздействия на объект управления, способного обеспечить на выходе системы переходной процесс с оптимальным соотношением всех его прямых показателей качества. Наиболее распространенным критерием выбора алгоритмов работы ЦВУ при синтезе ЦСУ можно считать критерий быстродействия, позволяющий сформировать закон работы цифрового регулятора таким образом, что дискретная переходная характеристика системы будет иметь вид устойчивого переходного процесса минимальной и конечной длительности. При цитировании документа, используйте ссылку http://essuir.sumdu.edu.ua/handle/123456789/10407
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Tesfaye, Mussie. "Secure Reprogramming of a Network Connected Device : Securing programmable logic controllers." Thesis, KTH, Kommunikationssystem, CoS, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104077.

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This is a master’s thesis project entitled “Secure reprogramming of network connected devices”. The thesis begins by providing some background information to enable the reader to understand the current vulnerabilities of network-connected devices, specifically with regard to cyber security and data integrity. Today supervisory control and data acquisition systems utilizing network connected programmable logic controllers are widely used in many industries and critical infrastructures. These network-attached devices have been under increasing attack for some time by malicious attackers (including in some cases possibly government supported efforts). This thesis evaluates currently available solutions to mitigate these attacks. Based upon this evaluation a new solution based on the Trusted Computing Group (TCG’s) Trusted Platform Modules (TPM) specification is proposed. This solution utilizes a lightweight version of TPM and TCG’s Reliable Computing Machine (RCM) to achieve the desired security. The security of the proposed solution is evaluated both theoretically and using a prototype. This evaluation shows that the proposed solution helps to a great extent to mitigate the previously observed vulnerabilities when reprogramming network connected devices. The main result of this thesis project is a secure way of reprogramming these network attached devices so that only a valid user can successfully reprogram the device and no one else can reprogram the device (either to return it to an earlier state, perhaps with a known attack vector, or even worse prevent a valid user from programming the device).<br>Avhandlingen börjar med att ge lite bakgrundsinformation för att läsaren att förstå de nuvarande sårbarheten i nätverksanslutna enheter, särskilt när det gäller IT-säkerhet och dataintegritet. Idag övervakande kontroll och datainsamlingssystem använder nätverksanslutna programmerbara styrsystem används allmänt i många branscher och kritisk infrastruktur. Dessa nätverk anslutna enheter har under ökande attacker under en tid av illvilliga angripare (inklusive i vissa fall eventuellt regeringen stöds insatser). Denna avhandling utvärderar för närvarande tillgängliga lösningar för att minska dessa attacker. Baserat på denna utvärdering en ny lösning baserad på Trusted Computing Group (TCG) Trusted Platform Modules (TPM) specifikation föreslås. Denna lösning använder en lätt version av TPM och TCG:s pålitliga dator (RCM) för att uppnå önskad säkerhet. Säkerheten i den föreslagna lösningen utvärderas både teoretiskt och med hjälp av en prototyp. Utvärderingen visar att den föreslagna lösningen bidrar i stor utsträckning för att minska de tidigare observerade sårbarheter när omprogrammering nätverksanslutna enheter.  Huvudresultatet av denna avhandling projektet är ett säkert sätt omprogrammering dessa nätverksanslutna enheter så att endast ett giltigt användarnamn framgångsrikt kan omprogrammera enheten och ingen annan kan programmera enheten (antingen att återställa den till ett tidigare tillstånd, kanske med en känd attack vector, eller ännu värre förhindra en giltig användare från programmering av enheten).
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Clement, Jeffrey S. "The Spillable Environment: Expanding a Handheld Device's Screen Real Estate and Interactive Capabilities." BYU ScholarsArchive, 2007. https://scholarsarchive.byu.edu/etd/1166.

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Handheld devices have a limited amount of screen real estate. If a handheld device could take advantage of larger screens, it would create a more powerful user interface and environment. As time progresses, Moore's law predicts that the computational power of handheld devices will increase dramatically in the future, promoting the interaction with a larger screen. Users can then use their peripheral vision to recognize spatial relationships between objects and solve problems more easily with this integrated system. In the spillable environment, the handheld device uses a DiamondTouch Table, a large, touch-sensitive horizontal table, to enhance the viewing environment. When the user moves the handheld device on the DiamondTouch, the orientation of the application changes accordingly. A user can let another person see the application by rotating the handheld device in that person's direction. A user could conveniently use this system in a public area. In a business meeting, a user can easily show documents and presentations to other users around the DiamondTouch table. In an academic setting, a tutor could easily explain a concept to a student. A user could effortlessly do all of this while having all of his/her information on the handheld device. A wide range of applications could be used in these types of settings.
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Vadivelu, Somasundaram. "Sensor data computation in a heavy vehicle environment : An Edge computation approach." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235486.

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In a heavy vehicle, internet connection is not reliable, primarily because the truck often travels to a remote location where network might not be available. The data generated from the sensors in a vehicle might not be sent to the internet when the connection is poor and hence it would be appropriate to store and do some basic computation on those data in the heavy vehicle itself and send it to the cloud when there is a good network connection. The process of doing computation near the place where data is generated is called Edge computing. Scania has its own Edge computation solution, which it uses for doing computations like preprocessing of sensor data, storing data etc. Scania’s solution is compared with a commercial edge computing platform called as AWS (Amazon Web Service’s) Greengrass. The comparison was in terms of Data efficiency, CPU load, and memory footprint. In the conclusion it is shown that Greengrass solution works better than the current Scania solution in terms of CPU load and memory footprint, while in data efficiency even though Scania solution is more efficient compared to Greengrass solution, it was shown that as the truck advances in terms of increasing data size the Greengrass solution might prove competitive to the Scania solution.One more topic that is explored in this thesis is Digital twin. Digital twin is the virtual form of any physical entity, it can be formed by obtaining real-time sensor values that are attached to the physical device. With the help of sensor values, a system with an approximate state of the device can be framed and which can then act as the digital twin. Digital twin can be considered as an important use case of edge computing. The digital twin is realized with the help of AWS Device shadow.<br>I ett tungt fordonsscenario är internetanslutningen inte tillförlitlig, främst eftersom lastbilen ofta reser på avlägsna platser nätverket kanske inte är tillgängligt. Data som genereras av sensorer kan inte skickas till internet när anslutningen är dålig och det är därför bra att ackumulera och göra en viss grundläggande beräkning av data i det tunga fordonet och skicka det till molnet när det finns en bra nätverksanslutning. Processen att göra beräkning nära den plats där data genereras kallas Edge computing. Scania har sin egen Edge Computing-lösning, som den använder för att göra beräkningar som förbehandling av sensordata, lagring av data etc. Jämförelsen skulle vara vad gäller data efficiency, CPU load och memory consumption. I slutsatsen visar det sig att Greengrass-lösningen fungerar bättre än den nuvarande Scania-lösningen när det gäller CPU-belastning och minnesfotavtryck, medan det i data-effektivitet trots att Scania-lösningen är effektivare jämfört med Greengrass-lösningen visades att när lastbilen går vidare i Villkor för att öka datastorleken kan Greengrass-lösningen vara konkurrenskraftig för Scania-lösningen. För att realisera Edge computing används en mjukvara som heter Amazon Web Service (AWS) Greengrass.Ett annat ämne som utforskas i denna avhandling är digital twin. Digital twin är den virtuella formen av någon fysisk enhet, den kan bildas genom att erhålla realtidssensorvärden som är anslutna till den fysiska enheten. Med hjälp av sensorns värden kan ett system med ungefärligt tillstånd av enheten inramas och som sedan kan fungera som digital twin. Digital twin kan betraktas som ett viktigt användningsfall vid kantkalkylering. Den digital twin realiseras med hjälp av AWS Device Shadow.
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Blair, James M. "Architectures for Real-Time Automatic Sign Language Recognition on Resource-Constrained Device." UNF Digital Commons, 2018. https://digitalcommons.unf.edu/etd/851.

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Powerful, handheld computing devices have proliferated among consumers in recent years. Combined with new cameras and sensors capable of detecting objects in three-dimensional space, new gesture-based paradigms of human computer interaction are becoming available. One possible application of these developments is an automated sign language recognition system. This thesis reviews the existing body of work regarding computer recognition of sign language gestures as well as the design of systems for speech recognition, a similar problem. Little work has been done to apply the well-known architectural patterns of speech recognition systems to the domain of sign language recognition. This work creates a functional prototype of such a system, applying three architectures seen in speech recognition systems, using a Hidden Markov classifier with 75-90% accuracy. A thorough search of the literature indicates that no cloud-based system has yet been created for sign language recognition and this is the first implementation of its kind. Accordingly, there have been no empirical performance analyses regarding a cloud-based Automatic Sign Language Recognition (ASLR) system, which this research provides. The performance impact of each architecture, as well as the data interchange format, is then measured based on response time, CPU, memory, and network usage across an increasing vocabulary of sign language gestures. The results discussed herein suggest that a partially-offloaded client-server architecture, where feature extraction occurs on the client device and classification occurs in the cloud, is the ideal selection for all but the smallest vocabularies. Additionally, the results indicate that for the potentially large data sets transmitted for 3D gesture classification, a fast binary interchange protocol such as Protobuf has vastly superior performance to a text-based protocol such as JSON.
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Wang, Changhai. "Optical bistability studies of liquid crystal based devices." Thesis, Heriot-Watt University, 1991. http://hdl.handle.net/10399/872.

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Reichenbacher, Tumasch. "Mobile cartography : adaptive visualisation of geographic information on mobile devices /." München : Verlag Dr. Hut, 2004. http://purl.fcla.edu/UF/lib/MobileCartography.pdf.

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Azevedo, Bernardo Lopes de Sá. "Reconstrução/processamento de imagem médica com GPU em tomossíntese." Master's thesis, Faculdade de Ciências e Tecnologia, 2011. http://hdl.handle.net/10362/7503.

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Dissertação para obtenção do Grau de Mestre em Engenharia Biomédica<br>A Tomossíntese Digital Mamária (DBT) é uma recente técnica de imagem médica tridimensional baseada na mamografia digital que permite uma melhor observação dos tecidos sobrepostos, principalmente em mamas densas. Esta técnica consiste na obtenção de múltiplas imagens (cortes) do volume a reconstruir, permitindo dessa forma um diagnóstico mais eficaz, uma vez que os vários tecidos não se encontram sobrepostos numa imagem 2D. Os algoritmos de reconstrução de imagem usados em DBT são bastante similares aos usados em Tomografia Computorizada (TC). Existem duas classes de algoritmos de reconstrução de imagem: analíticos e iterativos. No âmbito deste trabalho foram implementados dois algoritmos iterativos de reconstrução: Maximum Likelihood – Expectation Maximization (ML-EM) e Ordered Subsets – Expectation Maximization (OS-EM). Os algoritmos iterativos permitem melhores resultados, no entanto são computacionalmente muito pesados, pelo que, os algoritmos analíticos têm sido preferencialmente usados em prática clínica. Com os avanços tecnológicos na área dos computadores, já é possível diminuir consideravelmente o tempo que leva para reconstruir uma imagem com um algoritmo iterativo. Os algoritmos foram implementados com recurso à programação em placas gráficas − General-Purpose computing on Graphics Processing Units (GPGPU). A utilização desta técnica permite usar uma placa gráfica (GPU – Graphics Processing Unit) para processar tarefas habitualmente designadas para o processador de um computador (CPU – Central Processing Unit) ao invés da habitual tarefa do processamento gráfico a que são associadas as GPUs. Para este projecto foi usado uma GPU NVIDIA®, recorrendo-se à arquitectura Compute Unified Device Architecture (CUDA™) para codificar os algoritmos de reconstrução. Os resultados mostraram que a implementação dos algoritmos em GPU permitiu uma diminuição do tempo de reconstrução em, aproximadamente, 6,2 vezes relativamente ao tempo obtido em CPU. No respeitante à qualidade de imagem, a GPU conseguiu atingir um nível de detalhe similar às imagens da CPU, apesar de diferenças pouco significativas.
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Ruokamo, A. (Ari). "Parallel computing and parallel programming models:application in digital image processing in mobile systems and personal mobile devices." Bachelor's thesis, University of Oulu, 2018. http://urn.fi/URN:NBN:fi:oulu-201802271269.

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Today powerful parallel computer architectures empower numerous application areas in personal computing and consumer electronics and parallel computation is an established mainstay in personal mobile devices (PMD). During last ten years PMDs have been equipped with increasingly powerful parallel computation architectures (CPU+GPU) enabling rich gaming, photography and multimedia experiences ultimately general purpose parallel computation through application programming interfaces. This study views into current status of parallel computing and parallel programming, and specifically its application and practices of digital image processing applied in the domain of Mobile Systems (MS) and Personal Mobile Devices (PMD). The application of parallel computing and -programming has become more common today with the changing user-application requirements and with the increased requirements of sustained high-performance applications and functionality. Furthermore, the paradigm shift of data consumption in personal computing towards PMD and mobile devices is under increased interest. The history of parallel computation in MS and PMD is relatively new topic in academia and industry. The literature study revealed that while there is good amount of new application specific research emerging in this domain, the foundations of dominant and common parallel programming paradigms in the area of MS and PMD are still moving targets.
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Books on the topic "Digital computing device"

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Huang, Chao. Robust Computing with Nano-scale Devices: Progresses and Challenges. Springer Science+Business Media B.V., 2010.

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Cloud computing and digital media: Fundamentals, techniques, and applications. CRC Press/Taylor & Francis Group, 2014.

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author, Rzeszut Eric J., ed. 10 don'ts on your digital devices: The non-techie's survival guide to cyber security and privacy. Apress, 2014.

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Moving media storage technologies: Applications & workflows for video and media server platforms. Focal Press, 2011.

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iPhone forensics. O'Reilly, 2008.

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1943-, Agrawal Vishwani D., ed. Essentials of electronic testing for digital, memory, and mixed-signal VLSI circuits. Kluwer Academic, 2000.

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(Firm), IT Watchdogs, ed. Server room climate & power monitoring: How to protect computer equipment against damage & downtime using low-cost, Web-based devices. IT Watchdogs, Inc., 2006.

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Christopher, White, ed. Beginning iOS apps with Facebook and Twitter APIs: For iPhone, iPad, and iPod touch. Apress, 2011.

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Nikil, Dutt, and Nicolau Alexandru, eds. Memory issues in embedded systems-on-chip: Optimizations and exploration. Kluwer Academic, 1999.

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Lemieux, Guy. Design of interconnection networks for programmable logic. Kluwer Academic, 2003.

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Book chapters on the topic "Digital computing device"

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Huang, Qingdan, Liqiang Pei, Yuqing Chen, Rui Rao, and Huiyuan Lv. "Digital Multimeter Automatic Verification Device Design." In Advances in Intelligent Systems and Computing. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3308-2_33.

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Ma, Xin, Zhong Fan, Chee-Kong Chui, Yiyu Cai, James H. Anderson, and Wieslaw L. Nowinski. "Digital Angioplasty Balloon Inflation Device for Interventional Cardiovascular Procedures." In Medical Image Computing and Computer-Assisted Intervention – MICCAI 2001. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45468-3_40.

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Qian, Yongkai, Zili Cao, and Bixin Zeng. "Detection System of Contrast Sensitivity for Eyes Based on Digital Micromirror Device." In XIV Mediterranean Conference on Medical and Biological Engineering and Computing 2016. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32703-7_149.

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Carrega, Alessandro, Giovanni Grieco, Domenico Striccoli, et al. "A Reference Architecture for Management of Security Operations in Digital Service Chains." In Cybersecurity of Digital Service Chains. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04036-8_1.

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AbstractModern computing paradigms (i.e., cloud, edge, Internet of Things) and ubiquitous connectivity have brought the notion of pervasive computing to an unforeseeable level, which boosts service-oriented architectures and microservices patterns to create digital services with data-centric models. However, the resulting agility in service creation and management has not been followed by a similar evolution in cybersecurity patterns, which still largely rest on more conventional device- and infrastructure-centric models.In this Chapter, we describe the implementation of the GUARD Platform, which represents the core element of a modern cybersecurity framework for building detection and analytics services for complex digital service chains. We briefly review the logical components and how they address scientific and technological challenges behind the limitations of existing cybersecurity tools. We also provide validation and performance analysis that show the feasibility and efficiency of our implementation.
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Mammas, Constantinos S., and Adamantia S. Mamma. "Prometheus I (PN 1008239) Digital Medical Device Integrated with AI and Robotics Cognitive Ergonomics in Breast Cancer Prevention." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66937-9_16.

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Li, Yiming, and Chih-Hong Hwang. "Large-Scale Atomistic Circuit-Device Coupled Simulation of Discrete-Dopant-Induced Characteristic Fluctuation in Nano-CMOS Digital Circuits." In Scientific Computing in Electrical Engineering SCEE 2008. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-12294-1_40.

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Mammas, Constantinos S., and Adamantia S. Mamma. "Prometheus (PN-2003016) Digital Medical Device Collaborative E-Training and Cognitive Ergonomics to Integrate AI and Robotics in Organ Transplantations." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66937-9_15.

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Wherrett, B. S. "Digital Optical Computing." In Nonlinear Optical Materials and Devices for Applications in Information Technology. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-017-2446-3_9.

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Montasari, Reza, Alireza Daneshkhah, Hamid Jahankhani, and Amin Hosseinian-Far. "Cloud Computing Security: Hardware-Based Attacks and Countermeasures." In Digital Forensic Investigation of Internet of Things (IoT) Devices. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60425-7_6.

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Walker, A. C., B. S. Wherrett, and S. D. Smith. "First Implementations of Optical Digital Computing Circuits Using Nonlinear Devices." In Nonlinear Photonics. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75438-8_4.

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Conference papers on the topic "Digital computing device"

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Smith, Zachary J., Sven Strombom, and Sebastian Wachsmann-Hogiu. "Multivariate Optical Computing for Biological Samples using a Digital Micromirror Device." In Frontiers in Optics. OSA, 2011. http://dx.doi.org/10.1364/fio.2011.ftuo4.

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Salem, Loai, and Yehea Ismail. "All-digital comparator using device-ratio programmable triggering levels." In 2011 International Conference on Energy Aware Computing (ICEAC). IEEE, 2011. http://dx.doi.org/10.1109/iceac.2011.6136678.

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Jing, Baode, Hong Wu, Lijuan Yang, and Xiaomei Li. "Digital Electro-hydraulic Proportional Control for Bulldozer Working Device." In 2009 Second International Conference on Information and Computing Science. IEEE, 2009. http://dx.doi.org/10.1109/icic.2009.280.

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Monge Roffarello, Alberto, and Luigi De Russis. "Coping with Digital Wellbeing in a Multi-Device World." In CHI '21: CHI Conference on Human Factors in Computing Systems. ACM, 2021. http://dx.doi.org/10.1145/3411764.3445076.

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Kang, Congying. "Mobile computing device as tools for college student education: a case on flashcards application." In Fourth International Conference on Digital Image Processing (ICDIP 2012), edited by Mohamed Othman, Sukumar Senthilkumar, and Xie Yi. SPIE, 2012. http://dx.doi.org/10.1117/12.966804.

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George, Richard, and Giacomo Indiveri. "Tunable device-mismatch effects for stochastic computation in analog/digital neuromorphic computing architectures." In 2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS). IEEE, 2016. http://dx.doi.org/10.1109/icecs.2016.7841136.

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Kimoto, Kenji, Kazuyoshi Endo, Satoru Iwashita, and Mitsuhiro Fujiwara. "The Application of Personal Digital Assistants as Mobile Computing Device on Construction Site." In 20th International Symposium on Automation and Robotics in Construction. International Association for Automation and Robotics in Construction (IAARC), 2003. http://dx.doi.org/10.22260/isarc2003/0079.

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Lee, Hsiao-Yi, Hon-Fai Yau, and Nai-Jen Cheng. "Incoherent multifunction parallel optical digital computing device in double self-pumped phase conjugators." In SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, edited by Francis T. S. Yu and Shizhuo Yin. SPIE, 1998. http://dx.doi.org/10.1117/12.326855.

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Shivakumar M., Premananda B.S., and Anil Keste. "Automation of device validation using digital power technology and PMBus communication." In 2016 Second International Conference on Cognitive Computing and Information Processing (CCIP). IEEE, 2016. http://dx.doi.org/10.1109/ccip.2016.7802855.

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Tariq, Tayyaba, Rana M. Amir Latif, Muhammad Farhan, Adil Abbas, and Farah Ijaz. "A Smart Heart Beat Analytics System Using Wearable Device." In 2019 2nd International Conference on Communication, Computing and Digital systems (C-CODE). IEEE, 2019. http://dx.doi.org/10.1109/c-code.2019.8680983.

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