نتایج جستجو برای: improvement in accuracy

تعداد نتایج: 17039591  

Journal: :iranian journal of neurology 0
seyyed abed hosseini center of excellence on soft computing and intelligent information processing and department of electrical engineering, ferdowsi university of mashhad, mashhad, iran mohammad ali khalilzadeh research center of biomedical engineering, islamic azad university, mashhad branch, mashhad, iran mohammad bagher naghibi-sistani center of excellence on soft computing and intelligent information processing and department of electrical engineering, ferdowsi university of mashhad, mashhad, iran seyyed mehran homam department of medical, islamic azad university, mashhad branch, mashhad, iran

background: this paper proposes a new emotional stress assessment system using multi-modal bio-signals. electroencephalogram (eeg) is the reflection of brain activity and is widely used in clinical diagnosis and biomedical research. methods: we design an efficient acquisition protocol to acquire the eeg signals in five channels (fp1, fp2, t3, t4 and pz) and peripheral signals such as blood volu...

Journal: :journal of rangeland science 2012
jalal barkhordari trahel vardanian

classifying remote sensing imageries to obtain reliable and accurate landuse/cover (luc) information still remains a challenge that depends on many factors suchas complexity of landscape especially in arid region. the aim of this paper is to extractreliable luc information from land sat imageries of the pishkouh watershed of centralarid region, iran. the classical maximum likelihood classifier ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده علوم انسانی 1393

learning-oriented assessment seeks to emphasise that a fundamental purpose of assessment should be to promote learning. it mirrors formative assessment and assessment for learning processes. it can be defined as actions undertaken by teachers and / or students, which provide feedback for the improvement of teaching and learning. it also contrasts with equally important measurement-focused appro...

Journal: :journal of biomedical physics and engineering 0
s j hosseinialiabadi s m hosseini pooya h afarideh f mianji

normal 0 false false false en-us x-none fa background: the angular dependency of response for tld cards may cause deviation  from its true value on the results of environmental dosimetry, since tlds may  be exposed to radiation at different angles of incidence from the surrounding area. objective: a 3d setting of tld cards has been calibrated isotropically in a standard  radiation field to eval...

Journal: :Nucleic Acids Research 2005
Kazutaka Katoh Kei-ichi Kuma Hiroyuki Toh Takashi Miyata

The accuracy of multiple sequence alignment program MAFFT has been improved. The new version (5.3) of MAFFT offers new iterative refinement options, H-INS-i, F-INS-i and G-INS-i, in which pairwise alignment information are incorporated into objective function. These new options of MAFFT showed higher accuracy than currently available methods including TCoffee version 2 and CLUSTAL W in benchmar...

Journal: :research in applied linguistics 2014
hassan soleimani mahboubeh rahmanian

alternative assessment approaches and, among them, self-assessment and peer-assessment are becoming increasingly important in educational contexts. designed to compare self-assessment, peer-assessment, and teacher-assessment, this study included 90 efl students from 3 intact classes divided into 3 groups: self-assessment, peer-assessment, and teacher-assessment. after taking the toefl proficien...

Journal: :thrita 0
afsoon aeenparast health services management group of health metrics research center, iranian institute for health sciences research, acecr, tehran, ir iran farzaneh maftoon health services management group of health metrics research center, iranian institute for health sciences research, acecr, tehran, ir iran; health services management group of health metrics research center, iranian institute for health sciences research, no. 23, nazari st. felestin st. p.o. box: 131451756, tehran, ir iran. tel: +98-2166480804, fax: +98-2166480805 faranak farzadi health services management group of health metrics research center, iranian institute for health sciences research, acecr, tehran, ir iran mehdi rezaei yazdeli department of financial affairs, social security organization, tehran, ir iran

background physician directories are among the most important databases in health systems. objectives the aim of this study was to estimate the accuracy of physician directories in tehran, iran. materials and methods this was a cross-sectional study. tehran, the capital of iran, was selected for study. specialists', fellowships' and subspecialists' information were extracted from islamic republ...

Journal: :Bioinformatics 2004
Huaiqiu Zhu Gang-Qing Hu Zheng-Qing Ouyang Jin Wang Zhen-Su She

MOTIVATION At present the computational gene identification methods in microbial genomes have a high prediction accuracy of verified translation termination site (3' end), but a much lower accuracy of the translation initiation site (TIS, 5' end). The latter is important to the analysis and the understanding of the putative protein of a gene and the regulatory machinery of the translation. Impr...

1996
C. Brif

We consider an SU(1,1) interferometer employing four-wave mixers that is fed with two-mode states which are both coherent and intelligent states of the SU(1,1) Lie group. It is shown that the phase sensitivity of the interferometer can be essentially improved by using input states with a large photon-number difference between the modes. The improvement of measurement accuracy in interferometers...

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