نتایج جستجو برای: extended classifier system

تعداد نتایج: 2425606  

2000
Jörg Dahmen Thomas Theiner Daniel Keysers Thomas Martin Deserno Berthold B. Wein

In this paper we present a new approach to classifying radiographs, which is the first important task of the IRMA system. Given an image, we compute posterior probabilities for each image class, as this information is needed for further IRMA processing. Classification is done by using an extended version of Simard’s tangent distance within a kernel density based classifier. We propose a new dis...

ژورنال: :مجله انفورماتیک سلامت و زیست پزشکی 0
فائزه افضلی faezeh afzali زهره حیدری zohreh heidari میترا منتظری mitra montazeri لیلا احمدیان leila ahmadian ph.d. in medical informatics, associate professor, medical informatics research center, institute for futures studies in health, kerman university of medical sciences, kerman, iran.دکترای تخصصی انفورماتیک پزشکی، دانشیار، مرکز تحقیقات انفورماتیک پزشکی، پژوهشکده آینده پژوهی در سلامت، دانشگاه علوم پزشکی کرمان، کرمان، ایران. محمد جواد زاهدی mohammad javad zahedi

مقدمه: سرطان اولیه کبد hcc)) پنجمین سرطان شایع در دنیا و سومین عامل مرگ و میر در جهان می­باشد. علائم سرطان کبد پس از بروز به سرعت پیشرفت کرده و در صورت عدم تشخیص به موقع متأسفانه بقای عمر بیمار بسیار کم می­ گردد. یکی از مشکلات اصلی پیش روی متخصصین گوارش، پیش بینی و تشخیص زود هنگام سرطان کبد است. داده کاوی از روش­هایی است که در این زمینه  مورد استفاده واقع می­ گردد. هدف از انجام این مطالعه معرفی...

Journal: :Computers in biology and medicine 2008
Antonis Daskalakis Spiros Kostopoulos Panagiota Spyridonos Dimitris Glotsos Panagiota Ravazoula Maria Kardari Ioannis Kalatzis Dionisis A. Cavouras George Nikiforidis

A multi-classifier diagnostic system was designed for distinguishing between benign and malignant thyroid nodules from routinely taken (FNA, H&E-stained) cytological images. To construct the multi-classifier system, several combination rules and different mixtures of ensemble classifier members, employing morphological and textural nuclear features, were comparatively evaluated. Experimental re...

2009
Zhiheng Huang Marcus Thint Asli Çelikyilmaz

In this paper, we investigate how an accurate question classifier contributes to a question answering system. We first present a Maximum Entropy (ME) based question classifier which makes use of head word features and their WordNet hypernyms. We show that our question classifier can achieve the state of the art performance in the standard UIUC question dataset. We then investigate quantitativel...

2017
Vaibhav V. Kamble Rajendra D. Kokate

Recently many researchers concentrate on Multiple Classifier System (MCS) in pattern recognition. Pattern recognition system build in three steps i.e. database, feature extraction and classifier. MCS is Architect by combining more than one classifier i.e. either same or different classifiers for different pattern recognition applications such as emotion recognition, character recognition, face ...

2001
Lashon B. Booker

Extended Abstract The classifier system framework is a general-purpose approach to learning and representation designed to exhibit non-brittle behavior in complex, continually varying environments. Broadly speaking, classifier systems are expected to avoid brittle behavior because they implement processes that build and refine models of the environment. One of the most important of these proces...

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