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In recent years, Blockchain technology has been highly valued, and the related applications have begun to be developed in large numbers. A smart contract is a software component encompass business logics and transactions that run on a blockchain. Thus, verifying whether the contract logics fully reflect the business requirements are one of the most important software engineering issues in blockchain...
Downsizing the Cu signal traces in the redistribution layer is an effective approach to increasing the number of signal I/O lines and thereby greatly increasing signal processing performance between logic and memory chips in advanced fine-pitch packaging. Downsized Cu traces, however, are vulnerable to current stress, which degrades electromigration resistance. This is a serious problem in advanced...
Ensuring accurate testing of a UHF electronic package is the main requirement for a testing system. There are two problems: metrological certification as generator devices generating test pulses of desired amplitude and at a desired moment of time and the problem of measuring amplitude and time parameters of signals at the outputs of an electronic package. This paper observes the methods of measurement...
This work proposes an ANN based method for fetal heart rate monitoring. Various measurements are taken and given as input to the ANN based classifier to detect fetal health such as ‘Normal’, ‘Suspect’ and ‘Pathologic’. All the design and simulation works are carried out with MATLAB software. ANN based classifier is trained with data from various recordings of cardiotocography. After the network is...
Radio Frequency (RF) fingerprinting is the problem of identifying and authenticating an electronic device through its radio frequency emissions. These emissions contain intrinsic features of the device itself. RF fingerprinting can be used to enhance the security of wireless networks since the fingerprints provide a form of authentication complementing other measures. RF-based authentication turns...
Increasing I/O counts have led to ever decreasing cross sectional contact areas or, by default, an increase in solder performance expectations. A recognized measure of solder joint integrity is gained through High Speed Shear testing, (HSS). This article will statistically evaluate the solderability of the dominant final finishes with reference to some real life variables. The only skew is that only...
Inspection of food quality is an important operation in food and agro industries. Nowadays computer vision is frequently used for such operations as it can provide fast, economical, non-invasive, consistent and objective assessment. This paper presents a study on identifying the qualitative grades of rice bran using computer vision. The study is performed using three samples of rice bran collected...
This document supports the need for software users to receive consistent, complete, accurate, and usable documentation. This document was developed to assist those who review, assess, and test software user documentation as part of the software lifecycle process. It is not limited to the review and test phase of the software lifecycle, but includes activities throughout the information management...
This paper aims to develop a framework for vehicle type classification using convolutional neural network based on vehicle rear view images. Compared with the extraction of the appearance features from vehicle side view and frontal view images, there has been relatively little research on vehicle type classification by using vehicle rear view images' information. The vehicle rear view images are detected...
For remote sensing image understanding, target detection is one of the most important tasks. In this paper, we propose one object detection method based on region proposal detection via active contour model and detection based on one-class classification method. The large scale remote sensing image is split into several connected components. And then, the proposed algorithm detects the object from...
The quality level of mixed-signal ICs lags behind the below-part-per-million defect test escape rates of digital ICs, as a result of the traditional testing based on performance specifications. Methods increasing the controllability to solve the problem of the low fault coverage of analog and mixed-signal circuits are in practice limited due to the excessive area overhead they require and their impact...
Manual wafer-level die inking is a common procedure for excluding die locations that are likely to be defective. Although this is a more cost-effective process, as compared to the expensive burn-in tests, it remains a labor-intensive step during IC testing. For each manufactured wafer, test engineers have to visually inspect every failure map in order to identify any regions where additional die need...
This paper presents a methodology for reducing functional test time in subthreshold SoCs targeting ultra-low power (ULP) internet-of-things (IoT) devices. Due to their low operating speed and voltage, subthreshold SoCs require significantly longer time to test than traditional SoCs. The proposed method models trans-threshold correlations to allow high voltage, high speed testing while accurately predicting...
Improving in the quality of life by expanding functionality and durability while continually reducing the fabrication costs and maintaining the possibility of local fabrication, these are the four key design requirements for lower-limb prosthetics with humanitarian applications. Currently, however, there are few foot prostheses that meet these requirements. The solutions available world-wide include...
Distributed manufacturing, where decentralized small, local sites are engaged in production, often supported by digital systems and networks, can be a powerful tool in humanitarian aid. Field Ready uses distributed manufacturing to produce essential non-food items locally where they are needed during humanitarian responses. Such supplies can be available to communities in need and to relief workers...
Automatic image aesthetics rating has received a growing interest with the recent breakthrough in deep learning. Although many studies exist for learning a generic or universal aesthetics model, investigation of aesthetics models incorporating individual user’s preference is quite limited. We address this personalized aesthetics problem by showing that individual’s aesthetic preferences exhibit strong...
An inherent variable stiffness approach was proposed to suppress the rebound and impact of the electrostatic switch due to waveform deviations. A simple clamped-guided beam spring with large deflection, which generated inherent cubic nonlinear restoring force, was adopted for implementation of the approach. The initial stiffness is very small but increases significantly with the displacement. In this...
Farmers in Anuradhapura, a rural area of Sri Lanka, are experiencing rising rates of Chronic Kidney Disease from uncertain Etiology (CKDu). Within Sri Lanka alone, CKDu infections have led to the deaths of over 20,000 rural inhabitants over the last decade, and have caused a serious public health crisis. A likely cause of CKDu is water that is polluted with contaminants such as Arsenic, Cadmium and...
Power apparatus is usually enclosed by metal box or metal shield. The partial discharge (PD) detection system needs to be designed for this power apparatus. This paper discusses the effect of the presence of the metal box on partial discharge (PD) waveform and partial discharge pattern detected by using high frequency current transformer (HFCT). The PD source is needle plane electrode in air. The...
Direct current internal resistance (DCIR) is a key parameter to determine consistency of power characteristics of a battery pack. This consistency is influenced by batteries' internal temperature, which reflects consistency of the batteries' thermal characteristics inherently. In this paper, an evaluation method for thermal consistency of batteries' DCIR is proposed. Arrhenius coefficient of DCIR...
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