نتایج جستجو برای: fcn

تعداد نتایج: 531  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم پایه 1390

?? چ است. اخیراً ?? گروه با کلاسهای تزویج متناه ?? گروه، ی -fc کنیم که ?? یادآوری م ?? گروههای تعمیم یافته استدر [ 2] معرف -fc از مهمترین کلاسهای ???? که ی fc? شود: ?? به صورت زیر تعریف م ?? به طور بازگشت f.c تn کشدلاه ا سس ، g/cg(xg) ? fcn،g عضو x است واگر برای هر ?? کلاس گروههای متناه fc? . fc? = ? n>? fcn کنیم ?? است، و تعریف م fcn+ متعلق به کلاس ? g آنگاه گروه گروهها اثبات -fc گروهه...

2011
Tina Hummelshøj Janna Nissen Lea Munthe-Fog Claus Koch Mads Frost Bertelsen Peter Garred

The ficolins recognize carbohydrates and acetylated compounds on microorganisms and dying host cells and are able to activate the lectin pathway of the complement system. In humans, three ficolin genes have been identified: FCN1, FCN2 and FCN3, which encode ficolin-1, ficolin-2 and ficolin-3, respectively. Rodents have only two ficolins designated ficolin-A and ficolin-B that are closely relate...

Journal: :The New phytologist 2005
P S Curtis C S Vogel C M Gough H P Schmid H-B Su B D Bovard

Quantitative assessment of carbon (C) storage by forests requires an understanding of climatic controls over respiratory C loss. Ecosystem respiration can be estimated biometrically as the sum (R Sigma) of soil (Rs), leaf (Rl) and wood (Rw) respiration, and meteorologically by measuring above-canopy nocturnal CO2 fluxes (Fcn). Here we estimated R Sigma over 5 yr in a forest in Michigan, USA, an...

2003
P. Gilch

The quenching of excited singlet methylene blue (IMB + * ) by N,N-dimethylaminomethylferrocene (FcN) in acetonitrile at room temperature has been studied using femtosecond pump-probe absorption spectroscopy. At high FcN concentration static quenching via an intermolecular electron transfer mechanism constitutes the predominating decay channel for l MB + * The time constants of the large amplitu...

Journal: :J. Visual Communication and Image Representation 2018
Ronald Salloum Yuzhuo Ren C.-C. Jay Kuo

In this work, we propose a technique that utilizes a fully convolutional network (FCN) to localize image splicing attacks. We first evaluated a single-task FCN (SFCN) trained only on the surface label. Although the SFCN is shown to provide superior performance over existing methods, it still provides a coarse localization output in certain cases. Therefore, we propose the use of a multi-task FC...

Journal: :CoRR 2017
Mohammadreza Soltaninejad Lei Zhang Tryphon Lambrou Nigel M. Allinson Xujiong Ye

In this paper, we propose a novel learning based method for automated segmentation of brain tumor in multimodal MRI images. The machine learned features from fully convolutional neural network (FCN) and hand-designed texton features are used to classify the MRI image voxels. The score map with pixelwise predictions is used as a feature map which is learned from multimodal MRI training dataset u...

2017
Min Tang Sepehr Valipour Zichen Vincent Zhang Dana Cobzas Martin Jägersand

This paper proposes a novel image segmentation approach that integrates fully convolutional networks (FCNs) with a level set model. Compared with a FCN, the integrated method can incorporate smoothing and prior information to achieve an accurate segmentation. Furthermore, different than using the level set model as a post-processing tool, we integrate it into the training phase to fine-tune the...

2018
Srikrishna Varadarajan Muktabh Mayank Srivastava

We propose a weakly supervised method using two algorithms to predict object bounding boxes given only an image classification dataset. First algorithm is a simple Fully Convolutional Network (FCN) trained to classify object instances. We use the property of FCN to return a mask for images larger than training images to get a primary output segmentation mask during test time by passing an image...

Journal: :CoRR 2017
Yitong Wang Xing Ji Zheng Zhou Hao Wang Zhifeng Li

Face detection has achieved great success using the region-based methods. In this report, we propose a region-based face detector applying deep networks in a fully convolutional fashion, named Face R-FCN. Based on Region-based Fully Convolutional Networks (R-FCN), our face detector is more accurate and computationally efficient compared with the previous R-CNN based face detectors. In our appro...

2004
Toshimichi Shirai Toshio Fukushima Zinovy Malkin

We detected phase jumps of the Free Core Nutation (FCN) of the Earth directly from the analysis of the Very Long Baseline Interferometer (VLBI) observation of the Earth rotation for the period 1984-2003 by applying the Weighted Wavelet Z-Transform (WWZ) method and the Short-time Periodogram with the Gabor function (SPG) method. During the period, the FCN had two significant phase jumps in 1992 ...

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