Papers by Babajide Afolabi
International Journal of Computer Applications, 2011
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International Journal of Information Technology and Computer Science, 2012
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Computer Engineering and …, 2011
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Behaviour & Information Technology, 2012
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Fingerprints are patterns formed on the epidermis of fingertip and they are characterized with mi... more Fingerprints are patterns formed on the epidermis of fingertip and they are characterized with minutiae and their overall ridge flow patterns. In this paper, fingerprint minutiae are considered to have both the quantitative and qualitative properties which could help to ensure accurate verification of fingerprint if properly utilized. The hybrid architecture of minutiae-based verification is in effect a model that caters for enhancement in terms of minutiae quantity and quality on fingerprint. While researches have proven that good quality of fingerprint minutiae can guarantee accurate verification of the fingerprint, false acceptance and rejection rates are still being recorded largely because the improvement associated with the quality of minutiae may not be sufficient to address the problems associated with fingerprint during sensing. Nevertheless, an improvement in the number (i.e. quantity) of minutiae extracted from fingerprint could be useful in many instances. Therefore, thi...
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HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci-entific ... more HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci-entific research documents, whether they are pub-lished or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et a ̀ la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.
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Obtaining correct and relevant information at the right time to user’s query is quite a difficult... more Obtaining correct and relevant information at the right time to user’s query is quite a difficult task. This becomes even complex, if the query terms have many meanings and occur in different varieties of domain. This paper presents a fuzzy-ontology based information retrieval system that determine the semantic equivalence between terms in a query and terms in a document by relating the synonyms of query terms with those of document terms. Hence, documents could be retrieved based on the meaning of query terms. The challenge has been that surface form does not sufficiently retrieve relevant document to user’s query. However, the results presented showed that the Fuzzy-Ontology Information Retrieval system successfully retrieve relevant documents to user’s query. This is irrespective of different meaning and varieties of domain. The System was tested on words with different meanings and some set of user’s query from varied domains.
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This paper presents a representation of histological features for histopathological diagnosis of ... more This paper presents a representation of histological features for histopathological diagnosis of breast diseases in women. Hence, a Decision Support System (DSS) for histopathological interpretation and diagnosis of breast diseases was implemented and evaluated. The Expert knowledge used was elicited through interview and literature search. The needed diagnostic knowledge was represented using diseases ’ profile in the form of frame. UML, JAVA and MYSQL were used for the design and implementation of the system. 150 samples of retrospective cases were used for the system’s implementation, while a Consultant Pathologist’s interpretation was used to evaluate the system. Results for Sensitivity, Specificity, Positive Prediction Value and the Negative Prediction Value are 97.7%, 95.0%, 99.2 % and 86.3 % respectively. Thus, the result showed that the system is capable of assisting an inexperience pathologist in making accurate, consistent and timely diagnoses, also in the study of diagnos...
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The key technology for knowledge management that guarantees access to large corpora of both struc... more The key technology for knowledge management that guarantees access to large corpora of both structured and unstructured data is Information retrieval (IR) Systems. The ones commonly used on an everyday basis are search engines. This study developed and validated an evaluative model from user's perspective meant to assess these systems using the user-centered approach. Items used and validated in other related studies were used to elicit responses from over 250 users. The reliability and validity of the measurement instrument (MI) was demonstrated using statistics such as internal consistency, composite reliability and convergent validity. After assessing the reliability and validity of the MI, the resultant evaluative model was estimated for goodness-of-fit using the structural equation modeling (SEM) technique. Results confirmed that the suggested model is valid and will be useful to researchers who wish to use it. Thus, this study suggests both the parameters and methods emplo...
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Computer Engineering and Intelligent Systems, 2011
Communication has been described as one of the determinants of service quality. However, communic... more Communication has been described as one of the determinants of service quality. However, communication is only effective when the parties involved speak the same language. This is almost impossible to achieve in Business-To-Consumer (B2C) Electronic Commerce (e-Commerce) given the diversity of languages used on the Internet. This paper seeks to explore the possibility of using current advances in technology to bridge the communication gap among entities on the Internet.
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Breast cancer is the most common disease in women and it remains a leading cause of cancer deaths... more Breast cancer is the most common disease in women and it remains a leading cause of cancer deaths among women in many parts of the world. Mammography has become indispensable for early detection of breast cancer. However, interpretation of the resulting images requires sophisticated image enhancement algorithms that enhance visual interpretation and aid the radiologists in the interpretation task. MATLAB software presents several enhancement algorithms which can be used for mammogram enhancement. In this survey, several enhancement techniques for mammographic images are
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International Journal of Computer Applications
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International Journal of Information Engineering and Electronic Business, 2016
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Abstract- The key technology for knowledge management that guarantees access to large corpora of ... more Abstract- The key technology for knowledge management that guarantees access to large corpora of both structured and unstructured data is Information retrieval (IR) Systems. The ones commonly used on an everyday basis are search engines. This study developed and validated an evaluative model from user’s perspective meant to assess these systems using the user-centered approach. Items used and validated in other related studies were used to elicit responses from over 250 users. The reliability and validity of the measurement instrument (MI) was demonstrated using statistics such as internal consistency, composite reliability and convergent validity. After assessing the reliability and validity of the MI, the resultant evaluative model was estimated for goodness-of-fit using the structural equation modeling (SEM) technique. Results confirmed that the suggested model is valid and will be useful to researchers who wish to use it. Thus, this study suggests both the parameters and methods...
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Mobile applications are being implemented in varieties of areas including mobile commerce, purcha... more Mobile applications are being implemented in varieties of areas including mobile commerce, purchase of services and products using mobile devices, gaming, banking, information services etc. Obafemi Awolowo University is a large academic community that can benefit from a mobile information service centre. There is a large population of students who can satisfy a great deal of their information needs. Existing modes of information delivery are inefficient and in most cases not timely. There is therefore a need for the provisioning of a suitable software application framework that can meet this critical need. This paper presents a suitable software system that can deliver information services with mobile functionality to the content subscriber (students in this case). Mobile devices are prevalent amongst students and teachers, which provides the motivation for the application of mobile technologies in learning environment. The mobility provided was achieved using SMS over GSM Network w...
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Advanced Concepts, Methods, and Applications in Semantic Computing
The recent advancement in imaging technology, together with the hierarchical feature representati... more The recent advancement in imaging technology, together with the hierarchical feature representation capability of deep learning models, has led to the popularization of deep learning models. Thus, research tends towards the use of deep neural networks as against the hand-crafted machine learning algorithms for solving computational problems involving medical images analysis. This limitation has led to the use of features extracted from non-medical data for training models for medical image analysis, considered optimal for practical implementation in clinical setting because medical images contain semantic contents that are different from that of natural images. Therefore, there is need for an alternative to cross-domain feature-learning. Hence, this chapter discusses the possible ways of harnessing domain-specific features which have semantic contents for development of deep learning models.
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American Journal of Computer Science and Technology
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PLOS ONE
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IT Professional
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KNOWLEDGE ORGANIZATION
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Papers by Babajide Afolabi