A. H. M. Sajedul Hoque

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Omnidirectional image acquisition sensor has become an integral part of robotic application such as navigation, surveillance, telepresence etc. In this paper, a catadioptric sensor is developed for inspection of the interior wall of a cylindrical pipe. The developed system provides 360° field of view and can be used as an onboard sensor of a robotic system(More)
Unstructured data, which is the heart of big data, are generating in every moment due to the revolution of Internet. Relational data model is not the right tool to handle such unstructured data because it has limitation of scalability, accessibility, flexibility, agility and in addition redundancy in database. In order to resolve those flaws of relational(More)
In the Prostate Cancer Prevention Trial (PCPT), which randomized 18,882 men with normal digital rectal examination (DRE) results and prostatespecific antigen (PSA) levels, finasteride significantly reduced prostate cancer risk by 24.8% but also increased high-grade disease (Gleason score ≥7) compared with placebo (Thompson IM et al. [2003] N Engl J Med 349:(More)
Introduction: Occupational exposure to ionizing radiation due to medical activities (both diagnostic and therapeutic procedures) has increased sharply in recent years. Among the occupationally exposed workers in these fields, those most affected by this increased exposure to ionizing radiation are nuclear medicine workers. In this study, annual average(More)
Recommendation systems use utility matrix to represent the user ratings for a particular items. But that matrix is sparse, that is, most of the user ratings are unknown. Predicting those unknown ratings is a big challenge of recommendation data mining task. Due to the sparse of data in utility matrix, few features become less important. Those features(More)
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