Published: Oct 1, 2013
Converted to Gold OA:
DOI: 10.4018/ijfsa.2013100100
Volume 3
Ahmad Taher Azar, Aboul Ella Hassanien
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MLA
Azar, Ahmad Taher, and Aboul Ella Hassanien. "Special Issue on Fuzzy and Rough Hybrid Intelligent Techniques in Medical Diagnosis." IJFSA vol.3, no.4 2013: pp.4-6. http://doi.org/10.4018/ijfsa.2013100100
APA
Azar, A. T. & Hassanien, A. E. (2013). Special Issue on Fuzzy and Rough Hybrid Intelligent Techniques in Medical Diagnosis. International Journal of Fuzzy System Applications (IJFSA), 3(4), 4-6. http://doi.org/10.4018/ijfsa.2013100100
Chicago
Azar, Ahmad Taher, and Aboul Ella Hassanien. "Special Issue on Fuzzy and Rough Hybrid Intelligent Techniques in Medical Diagnosis," International Journal of Fuzzy System Applications (IJFSA) 3, no.4: 4-6. http://doi.org/10.4018/ijfsa.2013100100
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Published: Oct 1, 2013
Converted to Gold OA:
DOI: 10.4018/ijfsa.2013100101
Volume 3
S. Sampath, B. Ramya
Cluster analysis is a branch of data mining, which plays a vital role in bringing out hidden information in databases. Clustering algorithms help medical researchers in identifying the presence of...
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Cluster analysis is a branch of data mining, which plays a vital role in bringing out hidden information in databases. Clustering algorithms help medical researchers in identifying the presence of natural subgroups in a data set. Different types of clustering algorithms are available in the literature. The most popular among them is k-means clustering. Even though k-means clustering is a popular clustering method widely used, its application requires the knowledge of the number of clusters present in the given data set. Several solutions are available in literature to overcome this limitation. The k-means clustering method creates a disjoint and exhaustive partition of the data set. However, in some situations one can come across objects that belong to more than one cluster. In this paper, a clustering algorithm capable of producing rough clusters automatically without requiring the user to give as input the number of clusters to be produced. The efficiency of the algorithm in detecting the number of clusters present in the data set has been studied with the help of some real life data sets. Further, a nonparametric statistical analysis on the results of the experimental study has been carried out in order to analyze the efficiency of the proposed algorithm in automatic detection of the number of clusters in the data set with the help of rough version of Davies-Bouldin index.
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Sampath, S., and B. Ramya. "Rough ISODATA Algorithm." IJFSA vol.3, no.4 2013: pp.1-14. http://doi.org/10.4018/ijfsa.2013100101
APA
Sampath, S. & Ramya, B. (2013). Rough ISODATA Algorithm. International Journal of Fuzzy System Applications (IJFSA), 3(4), 1-14. http://doi.org/10.4018/ijfsa.2013100101
Chicago
Sampath, S., and B. Ramya. "Rough ISODATA Algorithm," International Journal of Fuzzy System Applications (IJFSA) 3, no.4: 1-14. http://doi.org/10.4018/ijfsa.2013100101
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Published: Oct 1, 2013
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DOI: 10.4018/ijfsa.2013100102
Volume 3
G. Jothi, H. Hannah Inbarani, Ahmad Taher Azar
Breast cancer is the most common malignant tumor found among young and middle aged women. Feature Selection is a process of selecting most enlightening features from the data set which preserves the...
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Breast cancer is the most common malignant tumor found among young and middle aged women. Feature Selection is a process of selecting most enlightening features from the data set which preserves the original significance of the features following reduction. The traditional rough set method cannot be directly applied to deafening data. This is usually addressed by employing a discretization method, which can result in information loss. This paper proposes an approach based on the tolerance rough set model, which has the flair to deal with real-valued data whilst simultaneously retaining dataset semantics. In this paper, a novel supervised feature selection in mammogram images, using Tolerance Rough Set - PSO based Quick Reduct (STRSPSO-QR) and Tolerance Rough Set - PSO based Relative Reduct (STRSPSO-RR), is proposed. The results obtained using the proposed methods show an increase in the diagnostic accuracy.
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Jothi, G., et al. "Hybrid Tolerance Rough Set: PSO Based Supervised Feature Selection for Digital Mammogram Images." IJFSA vol.3, no.4 2013: pp.15-30. http://doi.org/10.4018/ijfsa.2013100102
APA
Jothi, G., Inbarani, H. H., & Azar, A. T. (2013). Hybrid Tolerance Rough Set: PSO Based Supervised Feature Selection for Digital Mammogram Images. International Journal of Fuzzy System Applications (IJFSA), 3(4), 15-30. http://doi.org/10.4018/ijfsa.2013100102
Chicago
Jothi, G., H. Hannah Inbarani, and Ahmad Taher Azar. "Hybrid Tolerance Rough Set: PSO Based Supervised Feature Selection for Digital Mammogram Images," International Journal of Fuzzy System Applications (IJFSA) 3, no.4: 15-30. http://doi.org/10.4018/ijfsa.2013100102
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Published: Oct 1, 2013
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DOI: 10.4018/ijfsa.2013100103
Volume 3
Hanaa Ismail Elshazly, Ahmad Taher Azar, Aboul Ella Hassanien, Abeer Mohamed Elkorany
Computational intelligence provides the biomedical domain by a significant support. The application of machine learning techniques in medical applications have been evolved from the physician needs....
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Computational intelligence provides the biomedical domain by a significant support. The application of machine learning techniques in medical applications have been evolved from the physician needs. Screening, medical images, pattern classification, prognosis are some examples of health care support systems. Typically medical data has its own characteristics such as huge size and features, continuous and real attributes that refer to patients' investigations. Therefore, discretization and feature selection process are considered a key issue in improving the extracted knowledge from patients' investigations records. In this paper, a hybrid system that integrates Rough Set (RS) and Genetic Algorithm (GA) is presented for the efficient classification of medical data sets of different sizes and dimensionalities. Genetic Algorithm is applied with the aim of reducing the dimension of medical datasets and RS decision rules were used for efficient classification. Furthermore, the proposed system applies the Entropy Gain Information (EI) for discretization process. Four biomedical data sets are tested by the proposed system (EI-GA-RS), and the highest score was obtained through three different datasets. Other different hybrid techniques shared the proposed technique the highest accuracy but the proposed system preserves its place as one of the highest results systems four three different sets. EI as discretization technique also is a common part for the best results in the mentioned datasets while RS as an evaluator realized the best results in three different data sets.
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Elshazly, Hanaa Ismail, et al. "Hybrid System based on Rough Sets and Genetic Algorithms for Medical Data Classifications." IJFSA vol.3, no.4 2013: pp.31-46. http://doi.org/10.4018/ijfsa.2013100103
APA
Elshazly, H. I., Azar, A. T., Hassanien, A. E., & Elkorany, A. M. (2013). Hybrid System based on Rough Sets and Genetic Algorithms for Medical Data Classifications. International Journal of Fuzzy System Applications (IJFSA), 3(4), 31-46. http://doi.org/10.4018/ijfsa.2013100103
Chicago
Elshazly, Hanaa Ismail, et al. "Hybrid System based on Rough Sets and Genetic Algorithms for Medical Data Classifications," International Journal of Fuzzy System Applications (IJFSA) 3, no.4: 31-46. http://doi.org/10.4018/ijfsa.2013100103
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Published: Oct 1, 2013
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DOI: 10.4018/ijfsa.2013100104
Volume 3
Kai Xiao, Jianli Li, Shuangjiu Xiao, Haibing Guan, Fang Fang, Aboul Ella Hassanien
Although fuzzy c-means (FCM) algorithm and some of its variants have been extensively widely used in unsupervised medical image segmentation applications in recent years, they more or less suffer...
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Although fuzzy c-means (FCM) algorithm and some of its variants have been extensively widely used in unsupervised medical image segmentation applications in recent years, they more or less suffer from either noise sensitivity or loss of details, which always is a key point to medical image processing. This paper presents a novel FCM variation method that is suitable for medical image segmentation. The proposed method, typically by incorporating multi-resolution bilateral filter which is combined with wavelet thresholding, provides the following advantages: (1) it is less sensitive to both high- and low-frequency noise and removes spurious blobs and noisy spots, (2) it yields more homogeneous clustering regions, and (3) it preserves detail, thus significantly improving clustering performance. By the use of synthetic and multiple-feature magnetic resonance (MR) image data, the experimental results and quantitative analyses suggest that, compared to other fuzzy clustering algorithms, the proposed method further enhances the robustness to noisy images and capacity of detail preservation.
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Xiao, Kai, et al. "Fuzzy Clustering with Multi-Resolution Bilateral Filtering for Medical Image Segmentation." IJFSA vol.3, no.4 2013: pp.47-59. http://doi.org/10.4018/ijfsa.2013100104
APA
Xiao, K., Li, J., Xiao, S., Guan, H., Fang, F., & Hassanien, A. E. (2013). Fuzzy Clustering with Multi-Resolution Bilateral Filtering for Medical Image Segmentation. International Journal of Fuzzy System Applications (IJFSA), 3(4), 47-59. http://doi.org/10.4018/ijfsa.2013100104
Chicago
Xiao, Kai, et al. "Fuzzy Clustering with Multi-Resolution Bilateral Filtering for Medical Image Segmentation," International Journal of Fuzzy System Applications (IJFSA) 3, no.4: 47-59. http://doi.org/10.4018/ijfsa.2013100104
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Published: Oct 1, 2013
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DOI: 10.4018/ijfsa.2013100105
Volume 3
Gerald Schaefer, Tomoharu Nakashima
Microarray studies and gene expression analysis have received a lot of attention and provide many promising avenues towards the understanding of fundamental questions in biology and medicine. In...
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Microarray studies and gene expression analysis have received a lot of attention and provide many promising avenues towards the understanding of fundamental questions in biology and medicine. In this paper, the authors perform gene expression analysis and apply two hybrid GA-fuzzy approaches to classify gene expression data. Both are based on fuzzy if-then rule bases but they differ in the way these rule bases are optimised. The authors employ both a Michigan style approach, where single rules are handled as individuals in the population of the genetic algorithm, and a Pittsburgh type algorithm, which treats whole rule sets as individuals. Experimental results show that both approaches achieve good classification accuracy but that the Michigan style algorithm clearly outperforms the Pittsburgh classifier.
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Schaefer, Gerald, and Tomoharu Nakashima. "Michigan vs. Pittsburgh Style GA Optimisation of Fuzzy Rule Bases for Gene Expression Analysis." IJFSA vol.3, no.4 2013: pp.60-72. http://doi.org/10.4018/ijfsa.2013100105
APA
Schaefer, G. & Nakashima, T. (2013). Michigan vs. Pittsburgh Style GA Optimisation of Fuzzy Rule Bases for Gene Expression Analysis. International Journal of Fuzzy System Applications (IJFSA), 3(4), 60-72. http://doi.org/10.4018/ijfsa.2013100105
Chicago
Schaefer, Gerald, and Tomoharu Nakashima. "Michigan vs. Pittsburgh Style GA Optimisation of Fuzzy Rule Bases for Gene Expression Analysis," International Journal of Fuzzy System Applications (IJFSA) 3, no.4: 60-72. http://doi.org/10.4018/ijfsa.2013100105
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