نتایج جستجو برای: multi objective ica

تعداد نتایج: 994387  

2012
N. Abdolmaleki M. Pooyan

Nowadays, Blind Source Separation (BSS) techniques are very common and useful in signal processing. In the field of multichannel recording, there are many techniques of BSS that work accurately, but in the single channel measurement, only a few methods are existed. One of the much popular algorithms of BSS is Independent Component Analysis (ICA). This technique is applied to separate the indepe...

Journal: :acta medica iranica 0
ali mohammadzadeh department of radiology, rejaee cardiovascular research center, tehran university of medical sciences; tehran, iran. abbas arjmand shabestari department of radiology, modarres hospital, shahid beheshti university of medical sciences;advanced diagnostic and interventional research center(adir), tehran, iran. maryam mohammadzadeh department of radiology, guilan university of medical sciences, rasht, iran. mohammad ali mohammadzadeh department of vascular surgery, guilan university of medical sciences, rasht, iran. sakineh kadivar department of ophthalmology, guilan university of medical sciences, rasht, iran. vahid mohammadzadeh department of internal medicine, imam khomeini hospital, tehran university of medical sciences, tehran, iran.

the use of noninvasive assessment tools such as multi-slice ct coronary angiography (msct-ca-ca) is recently considered mainly because it offers safety, patient convenience, and faster performance. the aim of the present study was to determine the ability of msct-ca-ca for the detection of significant stenoses in the coronary arteries, in comparison to conventional invasive coronary angiography...

Journal: :international journal of industrial mathematics 0
k. lachhwani department of mathematics, government engineering college, bikaner- 334004, india.

multi objective quadratic fractional programming (moqfp) problem involves optimization of several objective functions in the form of a ratio of numerator and denominator functions which involve both contains linear and quadratic forms with the assumption that the set of feasible solutions is a convex polyhedral with a nite number of extreme points and the denominator part of each of the object...

Journal: :journal of optimization in industrial engineering 2010
amir mohammad-zadeh naser hamidi mohammad amin nayebi yusof ebrahimi-sajas

calculating total cast of bank resources procurement methods which include current -free loan deposit, saving interest-free loan deposit, regular and net short-term investment deposit, long-term investment deposit and surety bond cash deposit and presenting their optimal integration require precise scientific studies. hence, this study is an attempt to know which methods are the best optimal in...

Journal: :IJBDCN 2008
Jyoti Saxena C. S. Rai P. K. Bansal

This article proposes an ICA-based blind multiuser detection technique to detect the signal of the desired user in a dual rate DS-CDMA system. In the present competitive scenario, communication is the most important tool in business and it has become a necessity to remain connected. Depending on the nature of data and quality of service requirements, users transmit signals at different rates. D...

Journal: :NeuroImage 2007
N Hironaga A A Ioannides

A family of methods, collectively known as independent component analysis (ICA), has recently been added to the array of methods designed to decompose a multi-channel signal into components. ICA methods have been applied to raw magnetoencephalography (MEG) and electroencephalography (EEG) signals to remove artifacts, especially when sources such as power line or cardiac activity generate strong...

Journal: :Int. J. Comput. Syst. Signal 2005
Martin Brown Robert E. Smith

While evolutionary computing inspired approaches to multi-objective optimization have many advantages over conventional approaches; they generally do not explicitly exploit directional/gradient information. This can be inefficient if the underlying objectives are reasonably smooth, and this may limit the application of such approaches to real-world problems. This paper develops a local framewor...

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