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This paper presents a correction algorithm for metal artefacts in CT images using a novel technique known as dual-step adaptive thresholding (DSAT). The proposed artefact correction algorithm was applied to selected artefactual phantom and clinical CT images. The missing projection data due to metal is detected and extracted by double-thresholding technique. The DSAT-based algorithm allows significant...
The synthesis of multiple ions doped nanoapatite powder was carried out by wet precipitation technique. A newly developed reaction route with self-controlled pH at high reaction temperatures, i.e. 37 & 85±2°C was compared to the conventional synthesis route at 37±2°C. The XRD peaks were very broad, indicating the presence of nanocrystalline apatite. The primary particle size of the powder was...
This article investigates the impact of intranet resistance (i.e. co-workers affluence, negative prior experience, efficacy experience, poor systems design and loss of power) on manager’s performance, which indirectly influences intranet withdrawal in Malaysia maritime industry. The structural equation modelling (SEM) results indicate that all intranet resistance factors negatively influence managers’...
This paper presents a preliminary work toward the understanding of cell-material interaction on the surface of biodegradable metals. It is interesting to study this interaction considering the active surface of biodegradable metals that is subjected to degradation process. Pure porous iron and biodegradable polymers-infiltrated porous iron samples were investigated for its ability to promote cell...
Using TOE Model, this paper aims to examine drivers of Web technology investment in Malaysia service industry using questionnaire survey. The structural equation modelling (SEM) results indicate that firm size, managerial beliefs, and pressure intensity explain the variance in Web technology investment. Managerial belief is found to have the function of mediator in the relationship between pressure...
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