نتایج جستجو برای: fuzzy support vector machines
تعداد نتایج: 941948 فیلتر نتایج به سال:
Fuzzy systems can approximate any continuous nonlinear function to arbitrary accuracy, provided that suitable fuzzy rules are available (Wang 1994). Recent results show that the fusion of some intelligent technologies with fuzzy systems seems to be very effective for nonlinear systems modelling. In Oh, Pedrycz, and Roh (2006), fuzzy neural networks endowed with polynomial neurons were investiga...
The relationship between support vector machines (SVMs) and Takagi–Sugeno–Kang (TSK) fuzzy systems is shown. An exact representation of SVMs as TSK fuzzy systems is given for every used kernel function. Restricted methods to extract rules from SVMs have been previously published. Their limitations are surpassed with the presented extraction method. The behavior of SVMs is explained by means of ...
Support vector machines (SVMs) proved to be highly efficient computational tools in various classification tasks. However, SVMs are nonlinear classifiers and the knowledge learned by an SVM is encoded in a long list of parameter values, making it difficult to comprehend what the SVM is actually computing. We show that certain types of SVMs are mathematically equivalent to a specific fuzzy–rule ...
In least squares support vector machines (LS-SVMs), the optimal separating hyperplane is obtained by solving a set of linear equations instead of solving a quadratic programming problem. But since SVMs and LS-SVMs are formulated for two-class problems, unclassifiable regions exist when they are extended to multiclass problems. In this paper, we discuss fuzzy LS-SVMs that resolve unclassifiable ...
برهم کنش های پروتئین-پروتئین در بسیاری از فرآیندهای سلولی نقش مهمی ایفا می کنند. بنابراین شناسایی، پیش بینی و تحلیل برهم کنش های پروتئین-پروتئین در حوزه زیست مولکولی مهم می باشد. روش های آزمایشگاهی که به این منظور طراحی گردیده اند بسیار پرهزینه، پر زحمت و وقت گیر می باشند. به همین دلیل نیاز به روش های محاسباتی برای بررسی برهم کنش های پروتئین-پروتئین روزانه افزایش می یابد. از این رو، هدف اصلی ا...
Support vector machine (SVM) has been proven as a powerful tool for solving age and gender classification problems. However, SVM is sensitive to noise and outliers. In this paper we propose a new fuzzy SVM based on an assumption that training data points should not be treated equally to avoid the problem of sensitivity to noise and outliers. This can be achieved by assigning a fuzzy membership ...
Over the past few years, a considerable number of studies have been made on Support Vector Machines (SVMs) in many domains to improve classification or prediction. However, SVMs request high computational time and memory when the datasets are large. Although incremental learning techniques are viewed as one possible solution developed to reduce the computation complexity of the scalability prob...
The previous study of fuzzy support vector machines (FSVMs) provides a method to classify data with noises or outliers by manually associating each data point with a fuzzy membership that can reflect their relative degrees as meaningful data. In this paper, we introduce two factors in training data points, the confident factor and the trashy factor, and automatically generate fuzzy memberships ...
dna sequence, containing all genetic traits is not a functional entity. instead, it transfers to protein sequences by transcription and translation processes. this protein sequence takes on a 3d structure later, which is a functional unit and can manage biological interactions using the information encoded in dna. every life process one can figure is undertaken by proteins with specific functio...
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