نتایج جستجو برای: whitin algorithm

تعداد نتایج: 754044  

Journal: :رادار 0
سید امیر حمدی حبیب اله دانیالی محمد صادق هل فروش مرضیه زارع

in this paper, a block-based method in wavelet domain for sar image coding is presented based on the ezbc algorithm. to better preserve edges and textural structure in sar images, instead of using traditional dyadic wavelet transform, a packet wavelet is employed. to improve the efficiency of the ezbc algorithm for sar image coding, a modified version of this algorithm, is proposed. this modifi...

Journal: :مدیریت زنجیره تأمین 0
زهره کاهه رضا برادران کاظم زاده

in this paper, tender problems in an automobile company for procuring needed items from potential suppliers have been resolved by the learning algorithm q. in this case the purchaser with respect to proposals received from potential providers, including price and delivery time is proposed; order the needed parts to suppliers assigns. the buyer’s objective is minimizing the procurement costs thr...

Journal: :journal of advances in computer research 0

the infomax algorithm is a popular method in blind source separation problem. in this article an extension of the infomax algorithm is proposed that is able to separate mixed signals with any sub- or super-gaussian distributions. this ability is the results of using two different nonlinear functions and new coefficients in the learning rule. in this paper we show how we can use the distribution...

Journal: :journal of optimization in industrial engineering 2011
mohamad mirzazadeh gholam hasan shirdel behrooz masoumi

assigning facilities to locations is one of the important problems, which significantly is influence in transportation cost reduction. in this study, we solve quadratic assignment problem (qap), using a meta-heuristic algorithm with deterministic tasks and equality in facilities and location number. it should be noted that any facility must be assign to only one location. in this paper, first o...

Journal: :international journal of information, security and systems management 2015
navid razmjooy mohsen khalilpour

this paper presents a new optimization algorithm to design an optimal proportional, integral, derivative (pid) controller in hydro-turbine generator governor for damping output frequency oscillations. in this research, we utilize a stochastic and optimal based pid controller to control frequency-response of the hydro turbine. the proposed algorithm is employed to design an optimal pid controlle...

Journal: :international journal of smart electrical engineering 0
naser ghorbani eastern azarbayjan electric power distribution company ebrahim babaei university of tabriz

this paper proposes the exchange market algorithm (ema) to solve the combined economic and emission dispatch (ceed) problems in thermal power plants. the ema is a new, robust and efficient algorithm to exploit the global optimum point in optimization problems. existence of two seeking operators in ema provides a high ability in exploiting global optimum point. in order to show the capabilities ...

2012
Fernanda VISIOLI Isabel Silva LAUXEN Manoel SANT'ANA FILHO Pantelis Varvaki RADOS

OBJECTIVES The aim of this study was to analyze the immunolabeling of two cell cycle protein regulators, p53 and p21WAF1, in non-dysplastic leukoplakias with different epithelial alterations: acanthosis, hyperkeratosis and acanthosis combined with hyperkeratosis, and compare them with dysplastic leukoplakias. MATERIAL AND METHODS This was a prospective cohort study involving 36 patients with ...

Journal: :Journal of lipid research 1982
J C Whitin R K Gordon L M Corwin E R Simons

The effects of alpha-tocopherol (vitamin E) deficiency on membrane properties of platelets were studied to determine if vitamin E has a measureable stabilizing role in biological membranes. Three groups of rats and three of mice were studied: two groups consisted of Fisher strain rats and one of Sprague-Dawley rats fed a Draper corn oil diet with and without high levels of supplementary vitamin...

2009
Johan Hedborg

Autonomous navigation for ground vehicles has many challenges. Autonomous systems must be able to self-localise, avoid obstacles and determine navigable surfaces. This thesis studies several aspects of autonomous navigation with a particular emphasis on vision, motivated by it being a primary component for navigation in many high-level biological organisms. The key problem of self-localisation ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1387

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