Ichiro Yoshida
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View article: Conservation implications for endangered Euhadra murayamai, restricted to a large-scale limestone cliff: Insights from genome-wide SNP and morphological analyses
Conservation implications for endangered Euhadra murayamai, restricted to a large-scale limestone cliff: Insights from genome-wide SNP and morphological analyses Open
Rapid biodiversity loss necessitates accurate taxonomic classification and the definition of conservation units for effective management. Here, we investigated the genetic and morphological distinctiveness of the endangered land snail Euha…
View article: Introduction of Moving Average Method: A Basic Knowledge for Understanding Data Science, AI, Machine Learning, and Deep Learning
Introduction of Moving Average Method: A Basic Knowledge for Understanding Data Science, AI, Machine Learning, and Deep Learning Open
View article: Associations of serum branched-chain amino acid and marine omega-3 fatty acid levels with exercise intolerance in heart failure patients
Associations of serum branched-chain amino acid and marine omega-3 fatty acid levels with exercise intolerance in heart failure patients Open
Summary: Background & Aims: Branched-chain amino acids (BCAAs), and the marine omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), prevent physical decline in older people. However, their combined effect on phys…
View article: Feasibility Study on Evaluation Method for Plateau Surfaces by Conic Curve Fitting Using Information of Conjugate Diameter
Feasibility Study on Evaluation Method for Plateau Surfaces by Conic Curve Fitting Using Information of Conjugate Diameter Open
Plateau surfaces have excellent sliding properties because only the high peaks of surface asperity are smoothed. Therefore, they form the sliding surfaces for automobile engines and machine tools, contributing to their high performance and…
View article: A Study of the Analysis Method for the Surface Roughness on the Inner Bore of Diesel Engines before and after Running-in Operations
A Study of the Analysis Method for the Surface Roughness on the Inner Bore of Diesel Engines before and after Running-in Operations Open
In modern automotive engines, the importance of lubrication properties is increasing with the demand for optimizing mechanical durability and fuel efficiency. The running-in of engines removes microscopic irregularities from the surfaces o…
View article: Edge-preserving smoothing filter using fast M-estimation method with an automatic determination algorithm for basic width
Edge-preserving smoothing filter using fast M-estimation method with an automatic determination algorithm for basic width Open
Digital filtering is essential for digital imaging, image recognition, and super-resolution technology. For example, the presence of noise in images captured by digital cameras causes deterioration of the image quality and image recognitio…
View article: Verification of Characteristics of Spline Filter Series Robust Filters for Surface Roughness and Proposal of Filter Selection Guidelines
Verification of Characteristics of Spline Filter Series Robust Filters for Surface Roughness and Proposal of Filter Selection Guidelines Open
In surface roughness measurements, the presence of spikes in the primary profile can disable a normal filter from extracting the shape and waviness components. The robust spline filter (RSF) has been proposed to solve this problem. However…
View article: Fast Calculation Method of A Robust Spline Filter by Using Frequency-Domain Method
Fast Calculation Method of A Robust Spline Filter by Using Frequency-Domain Method Open
The spline filter (SF) used the inverse matrix can measure the roughness without wasting the data at both ends of the input data. But when input data include outliers, the output of the SF greatly fluctuates. Therefore, "Fast M-estimation …
View article: Wear Amount Measuring Method Using Red Lead Paint to Innovate Sensory Inspection for Female Taper Socket of Machine Tools
Wear Amount Measuring Method Using Red Lead Paint to Innovate Sensory Inspection for Female Taper Socket of Machine Tools Open
Machine tools are machines that manufacture different machines and parts. Therefore, the machine tools that support all types of manufacturing are known as “mother machines”. When machining using a machine tool, a cutting tool …
View article: Behavior of Gaussian Profile Filters for Plateau Surface Structure, and Optimum Parameters
Behavior of Gaussian Profile Filters for Plateau Surface Structure, and Optimum Parameters Open
The inner surface of engine cylinder liners has a plateau structure because of being required to have excellent sliding properties. To improve the tribological properties, the plateau surface consists of a smooth plateau region and a valle…
View article: Study on Affect by Calculation Algorithm for Material Probability Curve to Roughness Parameters of Plateau Surface
Study on Affect by Calculation Algorithm for Material Probability Curve to Roughness Parameters of Plateau Surface Open
The automotive industry requires effective evaluation methods for the quality control of automobile parts and bearings. The ISO standard defines the calculation of roughness parameters from the material ratio curve (“MRC”) and …
View article: Correction: A Proposal of a Spline Filter that Achieves Both Robustness and Lower Compatibility
Correction: A Proposal of a Spline Filter that Achieves Both Robustness and Lower Compatibility Open
View article: Correction: Measurement Method of Internal Residual Stress in Plastic Parts Using Terahertz Spectroscopy
Correction: Measurement Method of Internal Residual Stress in Plastic Parts Using Terahertz Spectroscopy Open
View article: Correction: A Proposal of Hyperbolic Fitting Method by Applying the Properties of Functions for Plateau Surface Analysis in ISO 13565–3
Correction: A Proposal of Hyperbolic Fitting Method by Applying the Properties of Functions for Plateau Surface Analysis in ISO 13565–3 Open
View article: Correction: Verification of Characteristics of Gaussian Filter Series for Surface Roughness in ISO and Proposal of Filter Selection Guidelines
Correction: Verification of Characteristics of Gaussian Filter Series for Surface Roughness in ISO and Proposal of Filter Selection Guidelines Open
View article: Diagnostic performance of nutritional indicators in patients with heart failure
Diagnostic performance of nutritional indicators in patients with heart failure Open
Aims The aim of this study was to compare the diagnostic performance of the nutritional indicators, the mini nutritional assessment‐short form (MNA‐SF), the geriatric nutritional risk index (GNRI), and the controlling nutritional status (C…
View article: Impact of citrus fruit intake on the mental health of patients with chronic heart failure
Impact of citrus fruit intake on the mental health of patients with chronic heart failure Open
View article: Proposal of Edge-Preserving, Image Noise Reduction Filter for Using L2-Norm
Proposal of Edge-Preserving, Image Noise Reduction Filter for Using L2-Norm Open
Images taken by digital cameras include noise. The image recognition rate decreases with increasing noise. Reducing noise is essential for improving the accuracy of image recognition. Low-pass filters, such as a Gaussian filter (GF), are o…
View article: Surface Roughness Evaluation of the Inner Surface of Automobile Engine Bores by RANSAC and the Least Squares Method
Surface Roughness Evaluation of the Inner Surface of Automobile Engine Bores by RANSAC and the Least Squares Method Open
Analysis methods for plateau surfaces have been described in the ISO standards, JIS, and previous studies. The authors of a previous study proposed a method based on the concept of random sample consensus (RANSAC). This method achieved hig…
View article: Proposal of a Computational Algorithm for Calculating Material Ratio of Surface Texture
Proposal of a Computational Algorithm for Calculating Material Ratio of Surface Texture Open
The material ratio curve (hereafter referred to as MRC) of ISO 13565-2 and ISO 4287 is widely used in industrial fields. The computational algorithm of MRC proposed in ISO has a problem of long calculation time, because of a method of slic…
View article: Proposal for roughness evaluation using median filter and investigation of the optimum filter width
Proposal for roughness evaluation using median filter and investigation of the optimum filter width Open
The median filter (MF) is a filter that satisfies both robustness and short calculation time. MF is used in image processing fields etc. In the field of surface roughness, MF is used to identify and remove outliers. However, it has not bee…
View article: A Study on Optimal Voltage of Electromagnet for Precision Measuring Robot During Surface Roughness Measurement by Vibration Analysis
A Study on Optimal Voltage of Electromagnet for Precision Measuring Robot During Surface Roughness Measurement by Vibration Analysis Open
In electric power stations, precision surface roughness measurements are performed for environmental loading reduction, quality assurance, and safety. These measurements are performed manually at high places, narrow places, uncomfortable e…
View article: Impact of Inadequate Calorie Intake on Mortality and Hospitalization in Stable Patients with Chronic Heart Failure
Impact of Inadequate Calorie Intake on Mortality and Hospitalization in Stable Patients with Chronic Heart Failure Open
Malnutrition is highly prevalent in patients with heart failure (HF), but the precise impact of dietary energy deficiency on HF patients’ clinical outcomes is not known. We investigated the associations between inadequate calorie intake an…
View article: A Study on Edge Preserving Noise Reduction Filter Using Fast M-Estimation Method
A Study on Edge Preserving Noise Reduction Filter Using Fast M-Estimation Method Open
Random noise injures both the basic image quality and also the following image processing procedures. The low-pass filter is commonly used as the image denoising. Low-pass filter can reduce noise, however, the edge becomes always blur as t…
View article: An Outlier Detection and Exclusion Method Applying Property of Fast M-Estimation Gaussian Filter and Gaussian Filter
An Outlier Detection and Exclusion Method Applying Property of Fast M-Estimation Gaussian Filter and Gaussian Filter Open
If an outlier exists, an accurate roughness evaluation is not possible. The solution of this problem is insufficient only by calculating a mean line and roughness profile by robust filter. In addition to it, excluding of the outlier region…
View article: Research and Proposal on Surface Texture Parameters for The Injection Molded Direct Joining Using Micro Blasting
Research and Proposal on Surface Texture Parameters for The Injection Molded Direct Joining Using Micro Blasting Open
Solving environmental problems and energy problems is global urgent task. Weight saving of transportation equipment and robot is one of the effective solutions. The direct joining of metal and resin using a blasted surface is effective for…
View article: Investigation of Factors Affecting Sensitivity Enhancement of an Optical Fiber Probe for Microstructure Measurement Using Oblique Incident Light
Investigation of Factors Affecting Sensitivity Enhancement of an Optical Fiber Probe for Microstructure Measurement Using Oblique Incident Light Open
Recently, the demand for accuracy measurement of microstructures has been remarkable. We have been developing a measurement system for microstructures using a stylus made of an optical fiber and prisms. In this measurement system, the obli…
View article: In vivo profiling of 2,3,7,8-tetrachlorodibenzo-p-dioxin–induced estrogenic/anti-estrogenic effects in female estrogen-responsive reporter transgenic mice
In vivo profiling of 2,3,7,8-tetrachlorodibenzo-p-dioxin–induced estrogenic/anti-estrogenic effects in female estrogen-responsive reporter transgenic mice Open
2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD), commonly referred to simply as "dioxin", is a persistent environmental pollutant. Because of its high environmental persistence and biological accumulation, humans and animals are often exposed t…
View article: Progressive Mobilization Program for Patients With Acute Heart Failure Reduces Hospital Stay and Improves Clinical Outcome
Progressive Mobilization Program for Patients With Acute Heart Failure Reduces Hospital Stay and Improves Clinical Outcome Open
Background: Early ambulation has been shown to be associated with shorter hospital stay and better clinical outcomes in patients with acute heart failure (HF). Early mobilization program in combination with structured exerci…
View article: Study of a Plateau Surface Evaluation Method Using a Fast M-Estimation Type Hough Transform
Study of a Plateau Surface Evaluation Method Using a Fast M-Estimation Type Hough Transform Open
A surface with stratified functional properties (hereafter, referred to as the “plateau surface”) improves the tribological characteristics of sliding surfaces in machine tools, automobile parts, engines, etc. The evaluation methods of the…