نتایج جستجو برای: twostep algorithm

تعداد نتایج: 754198  

2011
Radu V. CRAIU Thierry DUCHESNE Daniel FORTIN Sophie BAILLARGEON R. V. CRAIU

The analysis of data generated by animal habitat selection studies, by family studies of genetic diseases, or by longitudinal follow-up of households often involves fitting a mixed conditional logistic regression model to longitudinal data composed of clusters of matched case-control strata. The estimation of model parameters by maximum likelihood is especially difficult when the number of case...

Journal: :IEEE Trans. Pattern Anal. Mach. Intell. 1999
Long Quan Zhong-Dan Lan

ÐThe determination of camera position and orientation from known correspondences of 3D reference points and their images is known as pose estimation in computer vision and space resection in photogrammetry. It is wellknown that from three corresponding points there are at most four algebraic solutions. Less appears to be known about the cases of four and five corresponding points. In this paper...

Journal: :Expert Syst. Appl. 2015
Emma M. Sánchez Julio B. Clempner Alexander S. Poznyak

In this paper we present a new mean–variance customer portfolio optimization algorithm for a class of ergodic finite controllable Markov chains. In order to have a realistic result we propose an iterated twostep method for solving the given portfolio constraint problem: (a) the first step is designed to optimize the nonlinear problem using a quadratic programming method for finding the long run...

Journal: :Expert Syst. Appl. 2012
Wei Wu Zheng Liu Mo Chen Xiaomin Yang Xiaohai He

Automatic container-code recognition is of great importance to the modern container management system. Similar techniques have been proposed for vehicle license plate recognition in past decades. Compared with license plate recognition, automatic container-code recognition faces more challenges due to the severity of nonuniform illumination and invalidation of color information. In this paper, ...

Journal: :CoRR 2016
Jiaying Liu Wenhan Yang Xiaoyan Sun Wenjun Zeng

With the rapid development of social network and multimedia technology, customized image and video stylization has been widely used for various social-media applications. In this paper, we explore the problem of exemplar-based photo style transfer, which provides a flexible and convenient way to invoke fantastic visual impression. Rather than investigating some fixed artistic patterns to repres...

Journal: : 2021

Bu araştırmanın amacı, ilkokul ve ortaokul son sınıf öğrencilerinin internet bağımlılık düzeylerinin incelenmesidir. İlişkisel tarama modeli kullanılmıştır. Araştırmanın evrenini 2017-2018 eğitim-öğretim yılında Adıyaman il merkezinde bulunan devlet okullarından; 26 ilkokuldan 4337 öğrencisi, 28 ortaokuldan 4178 öğrencisi olmak üzere toplamda 8515 öğrenci oluşturmaktadır. örneklemini evrende ok...

Journal: :Buildings 2023

Research has shown that students differ in their preferences of indoor environmental quality (IEQ) and psychosocial aspects study places. Since previous studies have mainly focused on identifying these rather than investigating the different profiles students, this aimed at profiling based IEQ A questionnaire was completed by 451 bachelor faculty Architecture Built Environment. TwoStep cluster ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده مهندسی 1392

چکیده رساله/پایان نامه : تاکنون روش‏های متعددی در ارتباط با مکان یابی خطا در شبکه انتقال ارائه شده است. استفاده مستقیم از این روش‏ها در شبکه توزیع به دلایلی همچون وجود انشعاب‏های متعدد، غیر یکنواختی فیدرها (خطوط کابلی، خطوط هوایی، سطح مقطع متفاوت انشعاب ها و تنه اصلی فیدر)، نامتعادلی (عدم جابجا شدگی خطوط، بارهای تک‏فاز و سه فاز)، ثابت نبودن بار و اندازه گیری مقادیر ولتاژ و جریان فقط در ابتدای...

Journal: :Geologica Acta 2021

Details of the Early-Middle Frasnian boundary interval Pymvashor River section (Timan-Pechora Basin, Cis-Urals, in far north European Russia) are revealed by biostratigraphically constrained carbonate (δ13Ccarb) and organic carbon (δ13Corg) stable data. The studied corresponds to lower part Domanik Formation, which consists interbedded limestone shale beds. Organic-rich black that lacks bioturb...

2010
Miao Zhao Ji Li Yuanyuan Yang

Recent studies have shown that energy harvesting wireless sensor networks have the potential to provide perpetual network operations by capturing renewable energy from the external environment. However, the spatial-temporal profiles of such ambient energy sources typically exhibit great variations, and can only provide intermittent recharging opportunities for sensors to support low-rate data s...

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