نتایج جستجو برای: classification

تعداد نتایج: 492387  

Journal: :مجله دانشکده پزشکی دانشگاه علوم پزشکی تهران 0
حمیدرضا خلخالی khalkhali h ابراهیم حاجی زاده haji nejad e کاظم محمد mohammad k

difference aspects of multinomial statistical modelings and its classifications has been studied so far. in these type of problems y is the qualitative random variable with t possible states which are considered as classifications. the goal is prediction of y based on a random vector x ? ir^m. many methods for analyzing these problems were considered. one of the modern and general method of cla...

Journal: :journal of biomedical physics and engineering 0
r boostani shiraz university m sabeti 2department of computer engineering, college of engineering, shiraz branch, islamic azad university, shiraz, iranسازمان اصلی تایید شده: دانشگاه شیراز (shiraz university)

objective: in this research, a new approach termed as “evolutionary-based brain map” is presented as a diagnostic tool to classify schizophrenic and control subjects by distinguishing their electroencephalogram (eeg) features. methods: particle swarm optimization (pso) is employed to find discriminative frequency bands from different eeg channels. by deploying the energy of those selected frequ...

Journal: :journal of medical signals and sensors 0
maryam ramezani alireza karimian payman moallem

in order to distinguish between benign and malignant types of pigmented skin lesions, computerized procedures have been developed for images taken by different equipment that the most available one of them is conventional digital cameras. in this research, a new procedure to detect malignant melanoma from benign pigmented lesions using macroscopic images is presented. the images are taken by co...

Journal: :jundishapur journal of health sciences 0
marzieh hadipour department of environmental sciences, science and research branch, islamic azad university, khuzestan, ahvaz, iran, ir iran mehran afkhami department of water and power, ahvaz, ir iran mehran afkhami department of water and power, ahvaz, ir iran afshin takdastan department of environmental health and environmental technology research center, school of health , ahvaz jundishapur university of medical sciences, ahvaz, iran, ir iran

hospital wastes are one of most important environmental problems because of their hazardous, toxic and pathogenic characteristics. the aims of this study were to identify and measure the amount of hospital wastes and classify of them according to who criteria in amirolmomenin(as) hospital and shahid rajaei policlinic in ahwaz, sw of iran. this research was a field-descriptive study. initially, ...

Journal: :iranian journal of pharmaceutical sciences 0
jamshid salamzadeh pharmaceutical sciences research center, shaheed beheshti university of medical sciences, tehran, iran

asthma, which is mainly distinguished by airway inflammation and bronchial hyper responsiveness, is known as one of the most common chronic diseases worldwide. it also is the most frequent chronic respiratory disorder amongst all age groups. on one side of the asthma story, there are massive investment of time, effort and money, a large number of pharmaceutical and academic research studies, he...

H. Fattahi, H. Mansouri, K. Nekooei , M. A. Ebrahimi Farsangi, S. Shojaee,

An excavation damage zone (EDZ) can be defined as a rock zone where the rock properties and conditions have been changed due to the processes related to an excavation. This zone affects the behavior of rock mass surrounding the construction that reduces the stability and safety factor and increase probability of failure of the structure. This paper presents an approach to build a model for the ...

ژورنال: حیات 2011
احمدی, مریم, حبیبی‌کولایی, مهدی, حسینی, فاطمه, رفیعی, فروغ, میرکریمی, اطهرالسادات,

Background & Aim: Healthcare classification systems help to gather information and process health data. Nursing management focus on developing computerized records to answer legal, managerial and clinical needs. The Classification systems help organizations to use nursing data. This study investigated informational and structural needs of nursing data classification. Methods & Materials: Thi...

Journal: :journal of biostatistics and epidemiology 0
neda bayat department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran kazem mohammad department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran reza majdzadeh department of epidemiology and biostatistics and knowledge utilization research centre (kurc), school of public health, tehran university of medical sciences, tehran, iran arash etemadi digestive disease research center, tehran university of medical sciences, tehran, iran saharnaz nedjat department of epidemiology and biostatistics and knowledge utilization research centre (kurc), school of public health, tehran university of medical sciences, tehran, iran

b a c k g r o u n d & aim: due to lack of a unique and acceptable classification scheme for occupation in iran, the role of this measure has been ignored in many health researches. we aimed to find a suitable classification . methods  & materials:   in-depth  interviews  with  expert  health  professionals  were done through purposeful  sampling.  they  expressed  their  opinions  on five commo...

Abstract- Text classification is one of the main tasks of natural language processing (NLP). In this task, documents are classified into pre-defined categories. There is lots of news spreading on the web. A text classifier can categorize news automatically and this facilitates and accelerates access to the news. The first step in text classification is to represent documents in a suitable way t...

Sparse coding is an unsupervised method which learns a set of over-complete bases to represent data such as image and video. Sparse coding has increasing attraction for image classification applications in recent years. But in the cases where we have some similar images from different classes, such as face recognition applications, different images may be classified into the same class, and hen...

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