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16th International Congress on Image and Signal Processing, BioMedical engineering and Informatics, CISP-BMEI 2023

作者： Zhang, Xinyu Sun, Zhenyu Shu, Bairui Yokoi, Hiroshi Yong, Xu Li, Guanglin Jing, Xiaobei The Siat Branch Shenzhen Institute of Artificial Intelligence and Robotics for Society Shenzhen518055 China The University of Electro-Communications Joint Doctoral Program for Sustainability Research Tokyo182-8585 Japan The University of Electro-Communications Department of Mechanical Engineering and Intelligent Systems Tokyo182-8585 Japan

ISBN: (纸本)9798350330755

Due to the physiological constraints and daily habits of hand movements, the wrist chattering effect (WCE) will inadvertently cause disturbance to the accuracy of fingers' pattern recognition, when healthy subjects or amputees undergoing mirror training control their fingers according to instructions. This paper proposes a method for estimating WCE angles using a disturbance observer. Based on the Denavit-Hartenberg (D-H) convention and inverse kinematics, the intervals of the WCE during finger flexion and extension are determined. The research objective is to eliminate disturbance terms containing redundant information referring to sliding mode anti-jittering methods, making subsequent machine learning models less susceptible to disturbances. © 2023 IEEE.

关键词： Inverse kinematics

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Hardware implementation of a PCA learning network by an asynchronous PDM digital circuit

Hardware implementation of a PCA learning network by an asyn...

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International Joint Conference on Neural Networks (IJCNN)

作者： Y. Hirai K. Nishizawa Institute of Information Sciences and Electronics University of Tsukuba Tsukuba Ibaraki Japan Doctoral Program in Engineering University of Tsukuba Tsukuba Ibaraki Japan

We have fabricated a PCA (principal component analysis learning network in a FPGA (field programmable gate array) by using an asynchronous PDM (pulse density modulation) digital circuit. The generalized Hebbian algorithm is expressed in a set of ordinary differential equations and the circuits solve them in a fully parallel and continuous manner. The performance of the circuits was tested by a network with two microphone inputs and two speaker outputs. By moving a sound source right and left in front of the microphones, the first principal weight vector could continuously track the sound direction in real time.

关键词： Hardware Principal component analysis Field programmable gate arrays Pulse modulation Circuit testing Microphones Pulse circuits Digital modulation Modulation coding Digital circuits

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Video-Based Container Tracking System Using Deep Learning

Video-Based Container Tracking System Using Deep Learning

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International Conference on Cyber Physical, Computer and Automation Systems, CPCAS 2019

作者： Rahmat, Basuki Via, Yisti Vita Wasian, Abdullah Purbasari, Intan Yuniar Sari, Ni Ketut Wurjani, Widi Bandong, Steven Joelianto, Endra Siregar, Persaulian Faculty of Computer Science Universitas Pembangunan Nasional "Veteran" Jawa Timur Surabaya Indonesia Engineering Physics Doctoral Program Faculty of Industrial Technology Institut Teknologi Bandung Bandung Indonesia Instrumentation and Control Research Group Faculty of Industrial Technology Institut Teknologi Bandung Bandung Indonesia

ISBN: (纸本)9789813340619

The process of loading and unloading containers at the port is very important to be automated in order to increase productivity, revenues, efficiency and safety in the logistics transportation process especially in a maritime country like Indonesia. To achieve this, identification and tracking of container positions need to be done accurately so that container transfers can occur precisely and smoothly. In this study, YOLO deep learning is used to detect moving containers. The model is trained using container images, and then the validation and testing process are carried out on the model using other container images. The results of training are stored in several checkpoints which will be compared to get the most accurate model. Obtained YOLO gave good results for tracking containers with MAP value of 68.63% and LAMR of 0.31. © 2021, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Containers

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Observation method for mathematical graphology

Observation method for mathematical graphology

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International Conference on Document Analysis and Recognition

作者： K. Toraichi T. Horiuchi R. Haruki Institute Information Science and Elec University of Tsukuba Tsukuba Ibaraki Japan Doctoral Program in Engineering University of Tsukuba Tsukuba Ibaraki Japan

An observation method for mathematical graphology is proposed. The motivation of mathematical graphology is to realize graphological information processing on a machine. Furthermore, mathematical graphology aims to construct a new information theory for visual communication. In order to construct the mathematical model this paper focuses on the observation process, which is the first stage in the model. Based on the physiological saccade phenomena, feature points are extracted which include the important information. Then, contours between adjacent feature points are approximated using smooth functions. The performance of the proposed method is verified by experiments.

关键词： Feature extraction Data mining Mathematical model Function approximation Spectrogram Fingerprint recognition Information theory Image analysis Humans

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Position independent neuro pattern matching and its application to handwritten numerical character recognition

Position independent neuro pattern matching and its applicat...

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International Joint Conference on Neural Networks (IJCNN)

作者： Y. Hirai Y. Tsukui Institute of Information Sciences and Electronics University of Tsukuba Tsukuba Ibaraki Japan Doctoral Program in Engineering University of Tsukuba Tsukuba Ibaraki Japan

A novel one-dimensional pattern-matching neural network which matches an input to multiple candidates of the stored templates in parallel is proposed. It can find the best matching template, whose features are arranged in the same order as those of the input, regardless of positional differences between corresponding features. The proposed network is applied to handwritten numerical character recognition. Six kinds of features are extracted form the input pattern: closure, upward, downward, left and right orientations of line ends, and junction. From the two-dimensional feature distribution pattern, horizontal and vertical projection profiles are made. They are matched in the horizontal and vertical matching networks separately. The results of matching in the two networks are combined and categorized by a recognition network. 600 handwritten characters in the ETL-1 database were used as a learning set, and another 600 characters were used as an open set. The recognition rate for the learning set was 98.2% and that for the open set was 88.2%

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Efficient hydrogen production by microwave-assisted catalysis for glycerol-water solutions via NiO/zeolite-CaO catalyst

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South African Journal of Chemical engineering 2022年 41卷 43-50页

作者： Husin, Husni Erdiwansyah, Erdiwansyah Ahmadi, Ahmadi Nasution, Fahrizal Rinaldi, Wahyu Abnisa, Faisal Mamat, Rizalman Reaction Engineering and Catalysis Laboratory Department of Chemical Engineering Faculty of Engineering Universitas Syiah Kuala Jl. Tgk Syech Abdurrauf No.7 Darussalam Banda Aceh 23111 Indonesia Doctoral Program School of Engineering Universitas Syiah Kuala Darussalam Banda Aceh 23111 Indonesia Department of Chemical and Materials Engineering Faculty of Engineering King Abdulaziz University Rabigh 21911 Saudi Arabia Mechanical Engineering Universiti Malaysia Pahang Pahang Pekan 26600 Malaysia Faculty of Engineering Universitas Serambi Mekkah Banda Aceh 23245 Indonesia

Hydrogen from glycerol is one of the most potent green energy sources to replace fossil fuels. Thus, converting a glycerol solution to hydrogen through microwave-assisted catalysis is continuously gaining interest from researchers worldwide. The research aim was to combine NiO/zeolite and CaO for efficient hydrogen production from glycerol-water solution via microwave-assisted. The BET, XRD, and TEM were applied to characterize the properties of the NiO/zeolite-CaO catalyst. The influence of CaO content on NiO/zeolite (NiO/zeolite-CaO) catalyst, and microwave power on glycerol-water decomposition into hydrogen were investigated systematically. The catalytic performance for hydrogen production from glycerol-water solution was conducted in a fixed bed quartz-tube flow reactor via microwave irradiation a fed flow-rate (FFR) of 0.5 ml/min. Several characteristics, such as heating rate of 300–600 W, have been studied, CaO content of 10 wt.%, 30 wt.%, 40 wt.%, 50 wt.%, 60 wt.%, and 100 wt.%, respectively. The combined utilization of NiO/zeolite and CaO was efficient in obtaining more hydrogen production. Furthermore, the maximum conversion was found to be around 98.8%, while the highest hydrogen purity was found to be up to 96.6% when 20 wt.% NiO was used as an active site on natural zeolite and 50 wt.% CaO was used. © 2022 The Authors

关键词： Calcium oxide Hydrogen production Microwave irradiation Nickel

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Gelatine-Based Phantom for Simulating A-Line Reverberations in Lung Ultrasonogram 8

Gelatine-Based Phantom for Simulating A-Line Reverberations ...

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8th International Conference on Instrumentation, Control, and Automation, ICA 2023

作者： Nabila, Citra Alfa Bahri, Saeful Adhika, Damar Rastri Suprijanto, Suprijanto Institut Teknologi Bandung Master Program of Instrumentation and Control Faculty of Industrial Technology Bandung Indonesia Institut Teknologi Bandung Doctoral Program of Engineering Physics Faculty of Industrial Technology Bandung Indonesia Institut Teknologi Bandung Advanced Functional Material Research Group Faculty of Industrial Technology Research Center of Nanosciences and Nanotechnology Bandung Indonesia Institute Teknologi Bandung Instrumentation and Control Research Group Faculty of Industrial Technology Bandung Indonesia

ISBN: (纸本)9798350301274

To understand typical features that could be imaged using ultrasonography (USG) in the training phases of medical students or practitioners, a lung phantom is required. The research team suggests using a gelatine-based phantom to demonstrate A-line reverberations in lung ultrasound. The ordinary gelatine-based phantom has the disadvantage of being too fragile and prone to breaking. The specific process was attempted on gelatine with a plasticizer and carrier agent to increase the gelatine's strength and elasticity. To simulate the A-lines, two different textures of gelatine layers are used, with other processes in between. A special procedure was used to set off the various acoustic impedances affecting reverberation physics with those varied textures. Based on USG image analysis, the proposed lung phantom material has some advantages: it is inexpensive and easy to find, despite its complicated procedures. Furthermore, it could be processed to have the desired properties and recycled after hardening with water bath melting. © 2023 IEEE.

关键词： Textures

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A dynamic and distributed domain-based mobility management method for mobile IPv6

A dynamic and distributed domain-based mobility management m...

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IEEE Conference on Vehicular Technology (VTC)

作者： Chang Woo Pyo Jie Li Hisao Kameda Doctoral Program System & Information Engineering University of Tsukuba Ibaraki Japan Institute of Information Science & Elelctronics University of Tsukuba Ibaraki Japan

ISBN: (纸本)0780379543

We address mobility management for the internet protocol version 6 in mobile networks, namely mobile IPv6 (MIPv6). To correctly transfer IPv6 packets to a mobile node (MN), the MN has to update its binding to the home network while roaming away from its home network. Mobile IP networks suffer high binding update traffic from high rates of handoffs and long packet delivery delay from the large distance to the home network. In this paper, we introduce a dynamic and distributed domain-based mobility management protocol for MIPv6 to reduce the binding update and packet delivery delay and traffic. We describe the basic protocol operations and examine the performance improvement of our mobility management over the previous mobile IP mobility management method by using simulations. We show that the dynamic approach provides the optimal mobility solution for MIPv6 and the distributed approach can decentralize the network load.

关键词： Mobile radio mobility management Home automation Protocols IP networks Telecommunication traffic Internet Cities and towns Delay engineering management Systems engineering and theory

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Pleiades: a prototype of inter-processor network generation system

Pleiades: a prototype of inter-processor network generation ...

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International Symposium on Parallel Architectures, Algorithms and Networks (ISPAN)

作者： K. Syano T. Shirakawa Doctoral Program in Eng. Tsukuba Univ. Ibaraki Japan Institute of Engineering Mechanics University of Tsukuba Tsukuba Ibaraki Japan

A method that generates a static network for a dedicated parallel computer from an application program is proposed. The article describes the heuristic code scheduling algorithm that becomes necessary for the generation of the network. Furthermore, it describes the method of dependency analysis that becomes necessary for the insertion of the data transfer instruction and network generation. A network generation system was developed by this research based on the above algorithm. A parallel computer simulator was developed, and the performance of the generated network and the parallelized program was estimated. It achieved 87.0-94.5% parallel processing efficiency with 32 processors when an experiment was made by using some sample programs. The validity of the generated network and the parallelized program is shown with these results.

关键词： Prototypes Concurrent computing Computer networks Application software Parallel processing Design engineering Computational modeling Supercomputers Parallel architectures Computer architecture

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Designing a hands-on brain computer interface laboratory course

Designing a hands-on brain computer interface laboratory cou...

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Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)

作者： Bahar Khalighinejad Laura Kathleen Long Nima Mesgarani Department of Electrical Engineering Columbia University New York NY Doctoral Program in Neurobiology and Behavior Columbia University New York NY

Devices and systems that interact with the brain have become a growing field of research and development in recent years. engineering students are well positioned to contribute to both hardware development and signal analysis techniques in this field. However, this area has been left out of most engineering curricula. We developed an electroencephalography (EEG) based brain computer interface (BCI) laboratory course to educate students through hands-on experiments. The course is offered jointly by the Biomedical engineering, Electrical engineering, and Computer Science Departments of Columbia University in the City of New York and is open to senior undergraduate and graduate students. The course provides an effective introduction to the experimental design, neuroscience concepts, data analysis techniques, and technical skills required in the field of BCI.

关键词： Electroencephalography Hardware MATLAB Data analysis Electrodes

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