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2023 International Conference on Consumer Electronics - Taiwan, ICCE-Taiwan 2023

作者： Nunome, Toshiro Deguchi, Daiki Graduate School of Engineering Nagoya Institute of Technology Computer Science Program Department of Engineering Nagoya466-8555 Japan

ISBN: (纸本)9798350324174

This paper evaluates the QoE of video and audio transmission over a full-duplex wireless LAN with interference traffic through a computer simulation and a subjective experiment. We employ a simulation environment with a pair of audiovisual transmission and reception terminals and a pair of interference traffic transmission and reception ones. We investigate the effect of the transmission rate of interference traffic and communication distance in a wireless channel on the output quality of the video and audio stream at the reception terminal. We perform a subjective experiment with the output timing of video and audio obtained by the simulation. © 2023 IEEE.

关键词： Wireless local area networks (WLAN)

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The Effect of Bitrate Control Methods of MPEG-DASH Streaming on Multi-View Video and Audio QoE

The Effect of Bitrate Control Methods of MPEG-DASH Streaming...

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2023 International Conference on Consumer Electronics - Taiwan, ICCE-Taiwan 2023

作者： Nunome, Toshiro Wakayama, Yamato Nagoya Institute of Technology Computer Science Program Department of Engineering Graduate School of Engineering Nagoya466-8555 Japan

ISBN: (纸本)9798350324174

This paper investigates the effect of bitrate control methods on QoE of multi-view video and audio streaming with MPEG-DASH. We adopt three bitrate control methods for conventional single-view video streaming to the MVV-A system with MPEG-DASH. We conduct a subjective experiment changing available network bandwidth and investigate the effect of the methods on QoE. © 2023 IEEE.

关键词： Video streaming

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A note on kernel principal component regression

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Computational Mathematics and Modeling 2012年第3期23卷 350-367页

作者： Wibowo, Antoni Yamamoto, Yoshitsugu Faculty of Computer Science and Information Systems Universiti Teknologi Malaysia Johor Malaysia Graduate School of Systems and Information Engineering University of Tsukuba Tsukuba Japan

Kernel principal component regression (KPCR) was studied by Rosipal et al. [18, 19, 20], Hoegaerts et al. [7], and Jade et al. [8]. However, KPCR still encounters theoretical difficulties in the procedure for constructing KPCR and in the choice rule for the retained number of principal components. In this paper, we revise the method of KPCR to overcome the difficulties. The performance of the revised method is compared to linear regression, nonlinear regression based on Gompertz function, and nonparametric Nadaraya-Watson regression, and gives better results than those of the three methods. © 2012 Springer science+Business Media, Inc.

关键词： kernel principal component analysis kernel principal component regression multicollinearity Nonlinear regression analysis

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E-Govchurch as a Digital Transformation Initiative for Nation-wide Christianity Organization 1

E-Govchurch as a Digital Transformation Initiative for Natio...

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1st International Conference on Technology Innovation and Its Applications, ICTIIA 2022

作者： Paramita, Adi Suryaputra Prabowo, Harjanto Ramadhan, Arief Sensuse, Dana Indra Graduate Program Universitas Ciputra Surabaya Bina Nusantara University Surabaya Indonesia/Jakarta Information Systems Department/Doctor Of Computer Science Indonesia Doctor Of Computer Science Graduate Program Bina Nusantara University Jakarta Indonesia Universitas Indonesia Faculty Of Computer Science Depok Indonesia

ISBN: (数字)9781665488266

ISBN: (纸本)9781665488266

The process of digital transformation is part of the 4.0 industrial revolution. Through digital transformation, it is hoped that all processes inside an organization will function more efficiently. Internet technology is the major driver of an organization's digital transformation effort. Information systems for the statewide scope of the two main religion-based organizations in Indonesia are required to satisfy the Indonesian government's National Medium-Term Development Plan for the years 2020-2024 in accordance with Indonesian President Decree No. 18 of 2020. The regulation mandates that the ministry of religious affairs provide information and data services. E-Govchurch, an abbreviation for Electronic-Governmental Church, is the suggested framework. E-Govchurch is a digital program for Information systems that incorporates a framework for data governance. E-Govchurch will develop utilizing SSM, RBV, the Zachman Framework, and the DAMA framework. The purpose framework in research will lead the next phase of framework development process. © 2022 IEEE.

关键词： Information systems

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Physician Scheduling using Constraint Satisfaction programming 11

Physician Scheduling using Constraint Satisfaction Programmi...

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11th International Japan-Africa Conference on Electronics, Communications, and Computations, JAC-ECC 2023

作者： Bakr, Hend A. Salama, Ahmed M. Fares, Ahmed Zaky, Ahmed B. Cairo University Biomedical Engineering Program Faculty of Engineering Giza Egypt Benha University Computer Systems Engineering Program Faculty of Engineering at Shoubra Banha Egypt Computer science and information technology Programs Alexandria Egypt Benha University On leave from Computer Systems Engineering Program Faculty of Engineering at Shoubra Egypt

ISBN: (纸本)9798350369328

Physician scheduling is a critical task that impacts the quality of patient care, staff satisfaction, and operational efficiency in healthcare institutions. The traditional approach to physician scheduling is manual and time-consuming, which can result in errors, staff burnout, and suboptimal schedules. To address these challenges, researchers have turned to optimization techniques like CSP, which has shown promise in solving physician scheduling problems. This paper reviews the existing literature on CSP for physician scheduling and highlights the benefits and limitations of this approach. CSP's benefits include generating schedules quickly and efficiently, incorporating complex constraints and preferences, and handling changes and disruptions in real time. However, CSP also has some limitations, such as the need for a formalized model and the fact that it may not always generate the most intuitive schedules. Overall, the findings suggest that CSP is a promising approach to physician scheduling that can produce high-quality schedules while minimizing staff burnout and improving operational efficiency. © 2023 IEEE.

关键词： Constraint satisfaction problems

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Mention Detection Method for Entity Linking 4

Mention Detection Method for Entity Linking

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4th IEEE/ACIS International Conference on Big Data, Cloud Computing, and Data science, BCD 2019

作者： Kawata, Naotaka Kikui, Genichiro Graduate School of Computer Science and Systems Engineering Okayama Prefectural University Soja719-1197 Japan Faculty of Computer Science and Systems Engineering Okayama Prefectural University Soja719-1197 Japan

ISBN: (纸本)9781728108865

This paper proposes a method for detecting entity mentions in the given text. The method consists of two sequential labelling steps. The first sequential labelling is responsible for identifying a chunk of words (morphemes) mentioning an entity. The second sequential labelling verifies whether or not each chunk (or un-chunked word) is really an entity. The paper also investigates the relation between granularity of categories of named entities and mention detection performance. Our experimental results have shown that the second sequential labeling step for checking slightly improved recall and the eleven categories is the best granularity. © 2019 IEEE.

关键词： Natural language processing systems

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Downtown Osaka scene text dataset 14

Downtown Osaka scene text dataset

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computer Vision - ECCV 2016 Workshops, Proceedings

作者： Iwamura, Masakazu Matsuda, Takahiro Morimoto, Naoyuki Sato, Hitomi Ikeda, Yuki Kise, Koichi Department of Computer Science and Intelligent Systems Graduate School of Engineering Osaka Prefecture University Sakai Japan

ISBN: (纸本)9783319466033

This paper presents a new scene text dataset named Downtown Osaka Scene Text Dataset (in short, DOST dataset). The dataset consists of sequential images captured in shopping streets in downtown Osaka with an omnidirectional camera. Unlike most of existing datasets consisting of scene images intentionally captured, DOST dataset consists of uncontrolled scene images;use of an omnidirectional camera enabled us to capture videos (sequential images) of whole scenes surrounding the camera. Since the dataset preserved the real scenes containing texts as they were, in other words, they are scene texts in the wild. DOST dataset contained 32,147 manually ground truthed sequential images. They contained 935,601 text regions consisting of 797,919 legible and 137,682 illegible. The legible regions contained 2,808,340 characters. The dataset is evaluated using two existing scene text detection methods and one powerful commercial end-to-end scene text recognition method to know the difficulty and quality in comparison with existing datasets. © Springer International Publishing Switzerland 2016.

关键词： Video cameras

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Memory efficient recognition of specific objects with local features

Memory efficient recognition of specific objects with local ...

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作者： Kise, Koichi Noguchi, Kazuto Iwamura, Masakazu Dept. of Computer Science and Intelligent Systems Graduate School of Engineering Osaka Prefecture University Japan

ISBN: (纸本)9781424421756

Balancing the recognition rate, processing time and memory requirement is an important issue for object recognition based on local features. For the task of recognizing not generic but specific objects (object instances), a larger number of local features enable us to improve the recognition rate but pose a problem of processing time and memory requirement. For the problem of processing time, approximate nearest neighbor search is known to be extremely effective. In this paper, we propose a method of memory reduction by applying scalar quantization to local features. From experimental results on 100,000 images, we have found that the scalar quantization is of great help;As compared to the original representation with 16 bit/dimension, the recognition rate of 98.1% was kept unchanged using the representation with 2 bit/dim. © 2008 IEEE.

关键词： Object recognition

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Low complexity compensation of frequency dependent I/Q imbalance and carrier frequency offset for direct conversion receivers

Low complexity compensation of frequency dependent I/Q imbal...

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2010 IEEE International Symposium on Circuits and systems: Nano-Bio Circuit Fabrics and systems, ISCAS 2010

作者： Lanante Jr., Leonardo Kurosaki, Masayuki Ochi, Hiroshi Graduate School of Computer Science and Systems Engineering Kyushu Institute of Technology Fukuoka 820-8502 Japan

ISBN: (纸本)9781424453085

We propose a new least squares based estimation algorithm for carrier frequency offset and frequency dependent I/Q imbalance compensation with very low complexity for direct conversion receivers. Compared to conventional algorithms, our proposed estimation has considerably lesser computation due to a reduced order least squares step. Simulation results show that the proposed algorithm has about 1.5dB better accuracy in CFO estimation compared to conventional algorithms and it can completely eliminate I/Q imbalance based on BER performance results. We also showed that the proposed algorithm needs only a minimum 3rd order FIR filter to effectively remove an infinite impulse response modeled I/Q imbalance. ©2010 IEEE.

关键词： FIR filters

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Support for awareness of data selection in data envelopment analysis

Support for awareness of data selection in data envelopment ...

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2010 2nd International Symposium on Aware Computing, ISAC 2010

作者： Naito, Akio Aoki, Shingo Department of Computer Science and Intelligent Systems Graduate School of Engineering Osaka Prefecture University Osaka Japan

ISBN: (纸本)9781424483143

To measure efficiency of DMUs (Decision Making Units), DEA (Data Envelopment Analysis) clarifies relations between input and output elements respectively. Although selection of these data is entrusted to analyst, criteria of selection are not universal. Therefore, reasonability of data selection is sometimes controversial. Then the purpose of this study is to obtain input and output elements based on analyst's intention for making specific DMUs efficient. It aims for playing an aspect in the discriminant analysis. The traditional method does not focus on the number of minimum necessary elements and procedure is complex. Then this paper proposes method for obtaining optimum elements effectively by considering the less number of elements. Numerical experiments have shown effectiveness of the proposed method. ©2010 IEEE.

关键词： Discriminant analysis

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