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International Conference on Information Technology: New Generations (ITNG)

作者： Renan Cavichi de Freitas Jefferson Andrade de Oliveira Fabiano Yukio Alves Hino Juvenal Silva Neto Leonardo Miranda Vicente Adilson Marques da Cunha Luiz Alberto Vieira Dias Computer and Electronic Engineering Graduate Program Brazilian Aeronautics Institute of Technology Sao Paulo Brazil

This poster describes an academic development of an embedded system project named SETRAIF, which was performed during the 2nd half of 2012, by students and professors of computer engineering courses at the Brazilian Aeronautics Institute of Technology (Instituto Tecnologico de Aeronautica - ITA), combining the use of inter disciplinarity, Agile Methods, and Model Driven Development.

关键词： Embedded systems Hardware computers Prototypes Computational modeling Real-time systems

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Applying Interdisciplinarity and Agile Methods in the Development of a Smart Grids System

Applying Interdisciplinarity and Agile Methods in the Develo...

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International Conference on Information Technology: New Generations (ITNG)

作者： Marcelo Paiva Ramos Gustavo Ravanhani Matuck Ciro Fernandes Matrigrani Samoel Mirachi Eliezer Segeti Marco Leite Adilson Marques Da Cunha Luiz Alberto Vieira Dias Computer and Electronic Engineering Graduate Program Brazilian Aeronautics Institute of Technology Sao Paulo Brazil

ISBN: (纸本)9781467359603

This paper describes an experiment of integrating undergraduate and graduate courses at the Brazilian Aeronautics Institute of Technology, within the computer engineering Undergraduate program and the electronic and Computing engineering graduate program, during the 2nd semester of 2011. A Smart Grids System case study was used as a Problem Based Learning strategy together with agile best practices within a project development. This experiment has involved four courses: Embedded Systems (undergraduate), Embedded and Real-Time Systems, Software Quality, Reliability, and Safety, and Advanced Topics in Software Testing. During this experiment, the students of all these courses had to interact and collaborate in order to produce a prototype of a Smart Grids System, simulating a real project development.

关键词： Smart grids Real-time systems Software reliability Safety Software testing Software quality

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Approximate Subtractor Operator for Low-Power Video Coding Hardware Accelerators

Approximate Subtractor Operator for Low-Power Video Coding H...

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IEEE International Conference on electronics, Circuits and Systems

作者： Rafael Ferreira Mateus Leme Marcel Correa Luciano Agostini Claudio Diniz Bruno Zatt Graduate Program on Computer Science Federal University of Pelotas (UFPel) Pelotas Brazil Graduate Program on Electronic Engineering and Computing Catholic University of Pelotas (UCPel) Pelotas Brazil

Video coding requires a massive computational effort leading to large power dissipation and energy consumption. Thus, energy efficiency becomes a significant concern especially under limited energy resources such as in mobile devices. Approximate computing is a promising technique to improve energy efficiency. Therefore, this work presents a new approximate subtractor operator to be used in video coding hardware accelerators. The proposed subtractor reduces power of a Sum of Absolute Differences (SAD) hardware accelerator on approximately 10.39% (on average of different videos) when compared to the use of the subtractor from the synthesis tool. It also presents a power reduction of 18.13% when compared to state-of-the-art approximate adder.

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Multiscale Numerical Modeling for Near-Field Microwave Impedance Microscopy

Multiscale Numerical Modeling for Near-Field Microwave Imped...

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CLEO: Science and Innovations, S and I 2022

作者： Tami, Diego Ohlberg, Douglas A.A. Ramirez, Jhonattan C. do Rego, Cássio Gonçalves Medeiros-Ribeiro, Gilberto Graduate Program in Electrical Engineering Universidade Federal de Minas Gerais Brazil Microscopy Center Universidade Federal de Minas Gerais Brazil Department of Electronic Engineering Universidade Federal de Minas Gerais Brazil Computer Science Department Universidade Federal de Minas Gerais Brazil

In this work, we analyzed numerically a multiscale nanosystem based on sMIM on TBG. Spontaneous formation of a water-meniscus by the approximation between the tip-sample concentrates the microwave fields, reaching res...

ISBN: (纸本)9781557528209

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Objective Sleep Quality Measurement based on Fuzzy Logic and Wearable Device

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Procedia computer Science 2023年 227卷 1153-1162页

作者： Jason A. Wijaya Pauw D. Andersen Nico Surantha Computer Science Department BINUS Graduate Program – Master of Computer Science Bina Nusantara University Jakarta 11480 Indonesia Department of Electrical Electronic and Communication Engineering Tokyo City University Japan

Sleep is the natural state of relaxation for human being. Sleep quality is an essential yet frequently neglected aspect of sleep in general. Sleep quality is essential because it allows the body to restore itself and prepare for the next day. The standard method for evaluating sleep quality was subjective evaluation. Actigraphy devices, which can measure the sleep cycle, are now widely available. This study developed a method using Fuzzy Logic and an actigraphy device to measure and classify sleep quality. The fuzzy logic method was developed in several stages, which are determining the sleep quality measurement parameters, constructing the fuzzy set for each input variable, and developing the fuzzy rules. To evaluate the proposed fuzzy model, five individuals were invited to participate in the experiment and required to complete the PSQI subjective sleep questionnaire. The evaluation result shows that our proposed Fuzzy model achieves lower error compared to the existing method.

关键词： sleep sleep quality actigraphy artificial intelligences fuzzy logic

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Progress in wearable electronics/photonics—Moving toward the era of artificial intelligence and internet of things

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InfoMat 2020年第6期2卷 1131-1162页

作者： Qiongfeng Shi Bowei Dong Tianyiyi He Zhongda Sun Jianxiong Zhu Zixuan Zhang Chengkuo Lee Department of Electrical and Computer Engineering National University of SingaporeSingapore117576Singapore Center for Intelligent Sensors and MEMS National University of SingaporeSingapore117608Singapore Hybrid-Integrated Flexible(Stretchable)Electronic Systems Program National University of SingaporeSingapore117608Singapore NUS Suzhou Research Institute(NUSRI) Suzhou215123China NUS Graduate School for Integrative Science and Engineering National University of SingaporeSingapore117456Singapore

The past few years have witnessed the significant impacts of wearable electronics/photonics on various aspects of our daily life,for example,healthcare monitoring and treatment,ambient monitoring,soft robotics,prosthetics,flexible display,communication,human-machine interactions,and so *** to the development in recent years,the next-generation wearable electronics and photonics are advancing rapidly toward the era of artificial intelligence(AI)and internet of things(IoT),to achieve a higher level of comfort,convenience,connection,and ***,this review provides an opportune overview of the recent progress in wearable electronics,photonics,and systems,in terms of emerging materials,transducing mechanisms,structural configurations,applications,and their further integration with other ***,development of general wearable electronics and photonics is summarized for the applications of physical sensing,chemical sensing,humanmachine interaction,display,communication,and so *** self-sustainable wearable electronics/photonics and systems are discussed based on system integration with energy harvesting and storage ***,technology fusion of wearable systems and AI is reviewed,showing the emergence and rapid development of intelligent/smart *** the last section of this review,perspectives about the future development trends of the next-generation wearable electronics/photonics are provided,that is,toward multifunctional,self-sustainable,and intelligent wearable systems in the AI/IoT era.

关键词： artificial intelligence energy harvesting human-machine interface internet of things wearable electronics wearable photonics

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Spectral DiffuserScope - Computational Snapshot Hyperspectral Imager for Microscopy

Spectral DiffuserScope - Computational Snapshot Hyperspectra...

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2023 Computational Optical Sensing and Imaging, COSI 2023 in Optica Imaging Congress - Part of Imaging and Applied Optics Congress 2023

作者： Aggarwal, Neerja Markley, Eric Raniwala, Yashovardhan Houck, William D. Lee, Kyung Chul Bae, Junghyun Baek, Nakkyu Park, Wook Lee, Seung Ah Waller, Laura Department of Electrical Engineering and Computer Sciences University of California Berkeley United States UCB/UCSF Joint Graduate Program in Bioengineering University of California Berkeley United States VIAVI Solutions Inc Santa Rosa United States School of Electrical and Electronic Engineering Yonsei University Seoul Korea Republic of

We introduce a computational snapshot hyperspectral imager for benchtop microscopy. The compact device uses a diffuser and spectral filter array to multiplex spatio-spectral information into a 2D measurement, then rec... 详细信息

ISBN: (纸本)9781957171289

关键词： Blue light emitting diodes Diffusers Fluorescence microscopy Image sensors Spatial resolution Ultraviolet light emitting diodes

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Time series mining approach for noninvasive intracranial pressure assessment: An investigation of different regularization techniques

Time series mining approach for noninvasive intracranial pre...

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2009 WRI World Congress on computer Science and Information engineering, CSIE 2009

作者： Wu, Shaozhi Xu, Peng Asgari, Shadnaz Bergsneider, Marvin Hu, Xiao Department of Neurosurgery David Geffen School of Medicine University of California Los Angeles CA United States Biomedical Engineering Graduate Program Henry Samueli School of Engineering and Applied Science University of California Los Angeles CA United States School of Computer Science and Engineering University of Electronic Science and Technology of China Chengdu 610054 China

ISBN: (纸本)9780769535074

A data mining framework has been proposed to estimate intracranial pressure (ICP) non-invasively in our previous work. In the corresponding approach, the feature vector extracted from arterial blood pressure (ABP) and flow velocity (FV) is translated to the estimated errors by the mapping function for each entry in the database. In this paper, three different mapping function solutions, linear least squares (LLS), truncated singular value decomposition (TSVD) and standard Tikhonov regularization (STR) are systemically tested to compare the possible effects of different solutions on the non-invasive ICP estimation. The conducted comparison demonstrated that the selection of mapping function solution actually influences the estimation. Among the tested three solutions for mapping function, TSVD and STR show better ICP estimation performance with smaller ICP errors than LLS. © 2008 IEEE.

关键词： Flow velocity

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Evolving fuzzy classifier based on clustering algorithm and drift detection for fault diagnosis applications

Evolving fuzzy classifier based on clustering algorithm and ...

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2014 Annual Conference of the Prognostics and Health Management Society, PHM 2014

作者： Inacio, Maurilio Lemos, Andre Caminhas, Walmir Graduate Program in Electrical Engineering Federal University of Minas Gerais Belo Horizonte31270-901 Brazil Dept. of Computer Engineering Faculdade de Ciencia e Tecnologia de Montes Claros Montes Claros39400-142 Brazil Dept. of Electronic Engineering Federal University of Minas Gerais Belo Horizonte31270-901 Brazil

ISBN: (纸本)9781936263172

Nowadays, in several areas, efficient fault diagnosis methods for complex machinery and equipments are required. Several fault diagnosis methods based on different theories and approaches have been proposed in the literature. In general, these methods use mathematical/statistical models, accumulated experience, or even process historical data to perform fault diagnosis. Although methods based on models or experience have shown to be effective, they have the disadvantage of requiring previous knowledge of the dynamic system in question. On the contrary, methods based on process historical data do not require a prior knowledge, they are based solely on data obtained directly from the dynamic system. The application of so-called "Evolving Intelligent Systems" to accomplish fault diagnosis from process data have been shown a promising approach. This paper proposes an evolving fuzzy classifier based on a new approach that combines a recursive clustering algorithm and a drift detection method and its application on dynamic systems fault diagnosis. The novel approach provides greater robustness to outliers and noise present in data from process sensors. The classifier is evaluated in fault diagnosis of an interacting tank system and the results are promising.

关键词： Failure analysis

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Photonic sensors as imaging tools for industrial monitoring

Photonic sensors as imaging tools for industrial monitoring

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Optical Sensors, 2014

作者： Martelli, Cicero Da Silva, Marco J. Da Silva, Jean C.C. Morales, Rigoberto E.M. Da Silva, Erlon V. Zamarreño, Carlos R. Baroncini, Virginia Mezzadri, Felipe Patyk, Rodolfo Dutra, Guilherme Bazzo, João Vendruscolo, Tiago P. Graduate Program in Electrical and Computer Engineering Federal University of Technology - Paraná Curitiba PR80230-901 Brazil Department of Mechanical Engineering Federal University of Technology - Paraná Curitiba PR80230-901 Brazil Tractebel Energia S/A Quedas do Iguaçu PR Brazil Electrical and Electronic Engineering Department Public University of Navarra Pamplona NA Spain

Single point, quasi-distributed and distributed optical (fiber) sensors are demonstrated to be robust and reliable tools for one, two and three dimensional imaging of physical phenomena in industrial monitoring. Real ... 详细信息

ISBN: (纸本)9781557528209

关键词： Fiber Bragg gratings Image sensors Sensors Spatial resolution Temperature sensors Three dimensional imaging Fiber Bragg gratings (060.3735) Optical sensing and sensors (280.4788) Flow diagnostics (280.2490)

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