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Unnecessary obstacles limit learning in cognitively-complex domains such as computer programming. With a lack of appropriate feedback mechanisms, novice programmers can experience frustration and disengage from the learning experience. In large-scale educational settings, the struggles of learners are often invisible to the learning infrastructure and learners have limited ability to seek help. In...
Navigation of unmanned underwater vehicle (UUVs) in unstructured environments without long baseline transponders is a challenging problem due to the lack of predefined sea floor landmarks. This study proposes a real time sea floor mapping method using sidescan sonar on UUVs. The mapping system combines the motion information and the observation model of the sidescan sonar. The observation process...
This paper addresses a multimodal biometric verification system model based on fingerprint, paim-print and hand-geometry, whose features can be extracted from the human hand and the information fusion is applied at matching score level based on multimodal image quality estimation. The verification process is organized as follows: image capture; processing; sub-images extraction; features extraction;...
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