radial basis function network python

facial expression classification method based on pseudo-zernike moment and radial basis function network

facial expression classification method based on pseudo-zernike moment and radial basis function network

... network are feature vectors derived from the proposed feature extraction technique described in the previous section. A. RBF neural network description The radial basis function neural network ... a sufficiently- large network structure that any continuous function can be approximated within an arbitrary degree of accuracy by appropriately choosing radial basis function centers [12]. ... Facial Expression Classification Method Based on Pseudo-Zernike Moment and Radial Basis Function Network Tran Binh Long 1 , Le Hoang Thai 2 , Tran Hanh 1 1 Department of Computer Science,...

Ngày tải lên: 28/04/2014, 10:17

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Báo cáo hóa học: " Research Article Adaptive Processing of Range Scanned Head: Synthesis of Personalized Animated Human Face Representation with Multiple-Level Radial Basis Function" docx

Báo cáo hóa học: " Research Article Adaptive Processing of Range Scanned Head: Synthesis of Personalized Animated Human Face Representation with Multiple-Level Radial Basis Function" docx

... physical parameters while applying this physical system onto another models. 2.2. Radial basis function A network which is called radial- basis function (RBF) has been proved to be useful in surface reconstruction ... target head is through a multilevel training process. Both general radial basis function (RBF) and compactly supported radial basis function (CSRBF) are applied to ensure the fidelity of the global ... relative simple function q = f (p) = ρ(p)+ m  i=1 c i φ    p − p i    . (5) The kernel of RBF is the basic function φ( p − p i ), we choose the biharmonic function as our basic function φ(r) = r. Additional...

Ngày tải lên: 22/06/2014, 23:20

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MẠNG  RADIAL  BASIS

MẠNG RADIAL BASIS

... một lớp radial basis và một lớp tuyến tính đặc biệt. Cấu trúc mạng Mạng này có cấu trúc tương tự mạng radial basis, nhưng hơi khác ở lớp thứ hai. CHƯƠNG 6 MẠNG RADIAL BASIS Mạng Radial Basis ... luyện. Mạng Radial Basis được thiết kế bằng hàm newrbe hoặc hàm newrb. GRNN và PNN được thiết kế bằng hàm newgrnn và newpnn. 1. HÀM RADIAL BASIS 1.1 Mô hình neuron Mô hình mạng radial basis với ... nhau. Một câu hỏi đặt ra là tại sao không luôn luôn sử dụng mạng radial basis thay thế cho mạng feedforward chuẩn ? Mạng radial basis, ngay cả khi thiết kế mạng có hiệu quả cao bằng hàm newrbe,...

Ngày tải lên: 29/09/2013, 06:20

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Báo cáo đồ án trí tuệ nhân tạo: xây dựng chương trình sử dụng Radial basis functions networks để tìm đường phân lớp 2 tập điểm trên không gian

Báo cáo đồ án trí tuệ nhân tạo: xây dựng chương trình sử dụng Radial basis functions networks để tìm đường phân lớp 2 tập điểm trên không gian

... gian 2 chiều, mỗi điểm mang nhãn 1 hoặc -1, hãy xây dựng chương trình sử dụng dụng Radial basis functions networks để tìm đường phân lớp 2 tập điểm nói trên Để giải quyết vấn đề của bài toán ... Và một trong những cách khá phổ biến là sử dụng mạng các hàm cơ sở dạng bán kính (Radial Basis Functions network – RBF) do mạng hàm cơ sở bán kính có khá nhiều ưu điểm so với các phương pháp ... quân sự - khoa CNTT Báo cáo môn trí tuệ nhân tạo Đề tài: xây dựng chương trình sử dụng Radial basis functions networks để tìm đường phân lớp 2 tập điểm trên không gian Sinh Viên: Nguyễn Minh Tiến...

Ngày tải lên: 25/03/2014, 22:19

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Báo cáo đồ án trí tuệ nhân tạo : xây dựng chương trình sử dụng Radial basis functions neural networds để tìm đường phân lớp 2 tập điểm

Báo cáo đồ án trí tuệ nhân tạo : xây dựng chương trình sử dụng Radial basis functions neural networds để tìm đường phân lớp 2 tập điểm

... trên không gian 2 chiều. Mỗi điểm đã được gán là 0 hoặc 1. Hãy xây dựng chương trình sử dụng Radial basis functions neural networds để tìm đường phân lớp 2 tập điểm nói trên. Giáo viên hướng dẫn: ... chiều hơn lúc đầu, bài toán phân lớp trở nên dễ dàng hơn. II. Cơ sở lý thuyết Hàm bán kính (Radial function) : Hàm bán kính là hàm chỉ phụ thuộc vào khoảng cách từ đối số đến một điểm (gọi là ... bao gồm: trọng số , tâm của các hàm bán kính , tham số của các hàm bán kính . Hàm sai số (error function) : Để xác định các tham số của mạng, ta phải đưa ra một tiêu chí đánh giá các tham số này...

Ngày tải lên: 25/03/2014, 22:41

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báo cáo hóa học: " A radial basis classifier for the automatic detection of aspiration in children with dysphagia" doc

báo cáo hóa học: " A radial basis classifier for the automatic detection of aspiration in children with dysphagia" doc

... as aspirations, Accuracy = + ++ + () TP TN TP FP TN FN 10 Radial basis function architecture for aspiration detection, shown here with all five featuresFigure 2 Radial basis function architecture for aspiration detection, ... client and family situation. While we have elected to use a universal function approx- imator in the radial basis function network, knowing some discriminatory features, one could certainly con- Table ... Neural networks for pattern recognition New York: Oxford University Press; 1995. 46. Wilkins M, Morris C, Boddy L: A comparison of radial basis func- tion and backpropagation neural networks...

Ngày tải lên: 19/06/2014, 10:20

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Báo cáo hóa học: " Field Emission and Radial Distribution Function Studies of Fractal-like Amorphous Carbon Nanotips" potx

Báo cáo hóa học: " Field Emission and Radial Distribution Function Studies of Fractal-like Amorphous Carbon Nanotips" potx

... and so on Nanoscale Res Lett (2009) 4:431–436 435 123 NANO EXPRESS Field Emission and Radial Distribution Function Studies of Fractal-like Amorphous Carbon Nanotips F. Sola ặ A. Biaggi-Labiosa ... the electron beam-induced deposition method. The structure factor S(k) and the reduced radial distribution function G(r) were calculated. From these calculations a bond angle of 124° was obtained ... we also present information of the short-range order of our nanostructures, using the radial distribution function (RDF) obtained by electron diffraction patterns. With this information average...

Ngày tải lên: 22/06/2014, 01:20

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Báo cáo khoa học: The structural basis for catalytic function of GMD and RMD, two closely related enzymes from the GDP-D-rhamnose biosynthesis pathway pdf

Báo cáo khoa học: The structural basis for catalytic function of GMD and RMD, two closely related enzymes from the GDP-D-rhamnose biosynthesis pathway pdf

... enzymatic functions of these proteins have not previously been characterized using in vitro assays with purified proteins. Their functions had only been inferred from genetic experiments [23,24] and functional ... host serum correlates with extended duration of disease and reduced lung function [20]. An eight-gene cluster encodes functions for synthesis and export of A-band O polysaccharide [21,22], and contains ... (2009) 26862700 ê 2009 The Authors Journal compilation ê 2009 FEBS 2687 The structural basis for catalytic function of GMD and RMD, two closely related enzymes from the GDP- D-rhamnose biosynthesis...

Ngày tải lên: 16/03/2014, 01:20

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Báo cáo Y học: The expression of glutathione reductase in the male reproductive system of rats supports the enzymatic basis of glutathione function in spermatogenesis doc

Báo cáo Y học: The expression of glutathione reductase in the male reproductive system of rats supports the enzymatic basis of glutathione function in spermatogenesis doc

... glutathione reductase in the male reproductive system of rats supports the enzymatic basis of glutathione function in spermatogenesis Tomoko Kaneko 1,2 , Yoshihito Iuchi 1 , Takashi Kobayashi 1,3 , ... [16], but only few reports have focusedonthelocalizationoftheGRproteinintissues[17]. Significant functions of GSH in spermatogenesis and the reproductive process have been reported [13]. However, ... J.P., Milne, P., Jennings, Z. & Irvine, D.S. (1998) Relative impact of oxidative stress on the functional competence and genomic integrity of human spermatozoa. Biol. Reprod. 59, 1037–1046. 48....

Ngày tải lên: 17/03/2014, 17:20

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Python network programming

Python network programming

... from the socket module in the Python Standard Library. Listing 2–1. UDP Server and Client on the Loopback Interface #!/usr/bin/env python # Foundations of Python Network Programming - Chapter ... URL #!/usr/bin/env python # Foundations of Python Network Programming - Chapter 1 - search2.py import urllib, urllib2 try: » import json except ImportError: # for Python 2.5 » import ... already know how to speak the network protocol you want to use. In many cases, network programming simply involves selecting and using a library that already supports the network operations you need...

Ngày tải lên: 19/03/2014, 13:42

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Chapter 2Communicating Over the Network Quangkien@gmail.com.OverviewDescribe the structure of a network, including the devices and media that are necessary for successful communications. Explain the function of protocols in network communications. Ex potx

Chapter 2Communicating Over the Network Quangkien@gmail.com.OverviewDescribe the structure of a network, including the devices and media that are necessary for successful communications. Explain the function of protocols in network communications. Ex potx

... separate networks or converged networks Using Layered Protocols Intermediary Devices and their Role on the Network  Processes running on the intermediary network devices perform these functions: – ... connect multiple individual networks to form an internetwork. Examples of intermediary network devices are: 14 Examples of intermediary network devices are: – Network Access Devices (Hubs, ... points). – Internetworking Devices (routers). – Communication Servers and Modems. – Security Devices (firewalls) Local Area Network (LAN) 18  Local Area Network (LAN) An individual network usually...

Ngày tải lên: 01/04/2014, 12:20

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Monitoring function in optical network

Monitoring function in optical network

... Transmission Networks 87 example, the optical access network may not be initially fully loaded; subscribers would be turned up, possibly over an extended period of time (Frigo et al. 2004). Hence, network ... meshed networks using transparent (i.e. without optoelectronic regeneration) or partly transparent networks based on optical cross-connects. Considering all these possible changes in the network, ... information to the system and/or network controllers. This fact is mandatory in networks using IA-RWA algorithms. On the other hand, it is an important requirement for an optical network, comprised of multiple...

Ngày tải lên: 30/05/2014, 21:46

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Báo cáo sinh học: " Research Article Appling a Novel Cost Function to Hopfield Neural Network for Defects Boundaries Detection of Wood Image" pptx

Báo cáo sinh học: " Research Article Appling a Novel Cost Function to Hopfield Neural Network for Defects Boundaries Detection of Wood Image" pptx

... Hopfield Neural Networks 3.1. Basic Theory of Hopfield Neural Networks. The Hopfield neural network is one of the most famous artificial neural network models. As a recurrent neural network, it is constructed ... minimize a cost function. Hopfield neural network was used as computational networks for solving optimization problems. Because of its highly interconnected structure of neurons, the network was not ... has a so-called cost function (or an energy function) , which is used for measuring stability of a Hopfield neural network. Signals were circularly tr ansmitted in the whole network. The operation...

Ngày tải lên: 21/06/2014, 16:20

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Báo cáo hóa học: " Editorial Network Structure and Biological Function: Reconstruction, Modeling, and Statistical Approaches" pdf

Báo cáo hóa học: " Editorial Network Structure and Biological Function: Reconstruction, Modeling, and Statistical Approaches" pdf

... describe two functional classifications of genome-scale metabolic networks—carbon utilization spectra and minimal nutrient combinations. Both strategies allow for a quantification of functional properties ... functional properties of metabolic networks. These are used to identify groups of organisms with similar functions. Repsilber et al. investigated how the size of a regulatory network influences its adaptive ... dynamically stable profiles—in the case of metabolic networks. Likewise, Radde found that there is a relation between the topology of a regulatory network, and the ability of the system to exhibit...

Ngày tải lên: 22/06/2014, 00:20

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Foundations of Python Network Programming ppt

Foundations of Python Network Programming ppt

... of Python Network Programming This second edition of Foundations of Python Network Programming targets Python 2.5 through Python 2.7, the most popular production versions of the lan- guage. Python ... the network, this is the book that you want by your side. Shelve in: Python User level: Intermediate–Advanced THE APRESS ROADMAP Python Algorithms Pro Python Foundations of Python Network Programming ... Agile Python Development Dive into Python 3 Beginning Python www.apress.com SOURCE CODE ONLINE Companion eBook Brandon Rhodes THE APRESS ROADMAP Python Algorithms Pro Python Foundations of Python...

Ngày tải lên: 27/06/2014, 12:20

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