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Although impressive achievement has been made in the field of lip localization, there is no clear picture showing that which algorithms or methods have technical advantages over others. It is partly due to the fact that the commonly agreed evaluation methodology has not been established yet in the field. The common practice is using manual lip labelling as the ground truth for evaluation marked by...Show More
Modern electronics require an extremely large number of circuits to perform their many impressive feats. For example, a modern smartphone can have several billion logic circuits in the main microprocessor. This circuit density creates a significant amount of heat that must be dissipated. If the heat is not adequately dissipated, the life expectancy and performance of the circuits are significantly...Show More
The liquid crystal polymer (LCP) is a fairly new and promising thermoplastic organic material which has impressive electrical and mechanical characteristics such as low dielectric loss, stable dielectric constant across a frequency range from DC to 110 GHz, low water absorption and low thermal expansion coefficient. It can be used as a low-cost technology for high-volume large-area processing and ...Show More
This paper introduces a circular slotted antenna tailored for 5G applications, resonating within the 4.4 to 7.25 GHz frequency band. Fabricated on a 1.6 mm FR4 substrate with a dielectric constant of 4.4 and a tangential loss of 0.02, the antenna boasts dimensions of 22 mm x 15 mm. Performance analysis reveals gains of up to 4 dBi and remarkable efficiency levels of up to 85% across the operationa...Show More
The most recent GreenTeam race car, the E0711-7, has been designed and built to set a new level of high performance race cars made by GreenTeam. This paper investigates the E0711-7's high performance powertrain design process, powertrain structure and the unique oil-cooled battery pack. Experimental results from test bench measurements and race data have been reported to illustrate the powertrain ...Show More
The continuous demand for robust Intrusion Detection Systems (IDS) remains a constant in the ever-changing field of cybersecurity. This study aims to leverage the data obtained from Wireshark in order to build a sophisticated IDS. To achieve this goal, a specialized tool is utilized to generate network traffic and create a new dataset. By employing Machine Learning (ML) algorithms such as K-Neares...Show More
Polar code-based techniques cooperating with the multilevel coding (MLC) structure are promising for short-packet communication scenarios. In this paper, we concern about how to properly implement the successive cancellation list (SCL) decoding in multilevel polar-coded systems. We show that when SCL decoding bridges adjacent component polar codes, the path metrics should be properly inherited suc...Show More
The implementation of a video game-inspired meta-heuristic algorithm in solving flowshop scheduling problems (FSP) is presented in this study. Impressive features from the previous well-known optimizer algorithms such as stochastic fractal search (SFS), artificial gorilla troops optimizer (GTO) and marine predators algorithm (MPA) are assembled with the additional of chaotic operators. Then, the p...Show More
We investigated impressions of music that improves typewriting work performance. Typical impressions of music were selected by impression evaluation experiment, and music used in this study was rated with the impression. We carried out typewriting experiment with music hearing. Some biosignals were also measured to monitor participant's condition. As a result, “cheerful” of positive impression and...Show More
In agricultural settings, the threat of paddy diseases looms large, precipitating considerable yield losses and economic hardships for farmers. Timely and precise disease detection is crucial for implementing effective control measures. This study seeks to tackle this challenge by leveraging convolutional neural networks (CNNs) to devise an automated framework for paddy disease classification. Wit...Show More
In this paper, we investigate an error performance issue of a multiple-input multiple-output (MIMO) broadcast system with zero-forcing (ZF) precoder. We propose a ZF-precoded scheduling system for MIMO broadcast transmission which selects a user set with the maximum effective signal to noise ratio (SNR) through feedback information. The tight closed-form expression of the proposed scheduling syste...Show More
The cuffless estimation of blood pressure (BP) has become a prominent area of research in recent years fueled by its potential clinical implications and the growing interest from the wearable device industry. It has been accelerated by the emergence of learning-based models. Most use multiple pulse signals such as ECG, PPG, etc. rely on pulse transit time estimates and related features for estimat...Show More
Despite the impressive performance, convolution neural networks (CNNs) are often pilloried for challenging deployment on edge devices due to huge computation burden and power consumption. As an effective tool to compress CNNs, filter pruning has attracted ever-increasing attention in recent years. However, most methods suffer from complex manual design, huge overhead of structure search and unstab...Show More
Accurate retinal blood vessels segmentation is essential for early detection and diagnosis of several diseases. This study presents a comparative analysis between U-Net and FCN for retinal blood vessel segmentation. The aim is to assess their performance across four key metrics: sensitivity, accuracy, precision, and specificity, alongside training time. The analysis revealed differences in perform...Show More

Obituary: Yasuhiro Hosaka

Microscopy
Year: 2003 | Volume: 52, Issue: 2 | Journal Article |

Obituary: Yasuhiro Hosaka

Year: 2003 | Volume: 52, Issue: 2 | Journal Article |
This study's predictive modelling is based on the support vector machine (SVM) technique, which is well-suited to dealing with large amounts of complicated health data. Considering how hectic life is for the majority of us now, it's hard to believe that more people back then had truly weak hearts. When cardiac function declines to an abnormal level, the condition is known as heart failure. When it...Show More
In table tennis, stroke recognition is a significant factor that contributes to the enhancement of a player's ability to analyse their performance and tailor their training program. Given the dynamic nature of table tennis, it is essential to be able to make snap decisions and execute strokes with precision. Algorithms for stroke recognition that rely on manual annotation or established criteria a...Show More
By employing more than one antenna at the transmitter and by properly coding data across the transmit antennas, physical layers (PHYs) with space-time block codes (STBCs) promise increased data rates with minimal decoding complexity at the receiver. This paper presents a comprehensive study of how the STBC gains at the PHY translate to significant network performance improvement in 802.11a wireles...Show More
One of the challenges for real-world image-based surface defect classification task is the lack of labeled training samples to extract useful features to confidently classify defects. In this paper, we present results on our investigation on whether features derived from OverFeat, a variant of Convolution Neural Network, can be used directly for image-based surface defect classification task. We s...Show More
The semiconductor industry appears to be confident that, even without any major breakthroughs in photolithography, it will be able to achieve device feature sizes in the order of 100 nm by the year 2006. This reduction in feature size implies significantly higher device switching speeds and faster circuits. More specifically, microprocessors with 3 GHz on-chip clock frequency are within reach by t...Show More
Acoustic gunshot detection systems when deployed in urban environments need to account for reverberations in the acoustic channels. In order to improve the detection performance in such environments, we investigate the potential deployment of a two-stage methodology comprising of a blind system identification and deconvolution (BSID) stage followed by a support vector machine (SVM)-based classific...Show More
We propose and theoretically demonstrate the extinction ratio (ER) enhanced all-optical tunable wavelength conversion based on cascaded second-harmonic generation and difference-frequency generation (cSHG/DFG) in a periodically poled lithium niobate (PPLN) waveguide by setting the signal at the quasi-phase matching (QPM) wavelength. The conversion performance including extinction ratio enhancement...Show More
In this paper, we study the large-scale multi-user distributed antenna system (DAS) for hot-spot coverage in the future 5G wireless network. Firstly, the multi- user system model of large- scale DAS is introduced and a simple random pilot reuse scheme is presented to reduce the overhead of pilot. Then, the sum-rate of system is derived, and its asymptotical performance is studied when the number o...Show More