artificial neural network tutorial c

Automatic text extraction using DWT and Neural Network

Automatic text extraction using DWT and Neural Network

... Figure 6. Proposed architecture of the neural network 2.2 Neural Network In this subsection, text extraction from static image or video sequences is accomplished using the back-propagation (BP) ... Chen, Bourlard H., Thiran J. -P., “Text Identification in Complex Background Using SVM,” IEEE Computer Society Conference on Computer Vision and Pattern Recognition, 2001. CVPR 2001. Proceedings ... Automatic Text Extraction Using DWT and Neural Network Po-Yueh Chen (陳伯岳), Chung-Wei Liang (梁忠瑋) Department of Computer Science and Information Engineering, Chaoyang University of Technology...

Ngày tải lên: 05/11/2012, 14:51

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Text extraction from name cards using neural network

Text extraction from name cards using neural network

... == ì= cavg c c cavg c c ncnlavg _ 0 _ 0 _ ; (2) == ì= 255 _ 255 _ _ cavgc c cavgc c ncnravg ; (3) ]255,0[),(_ = cnstdstdn c ; (4) ]_,0[),(_ cavgcnstdstdl c = ; (5) ]255,_[),(_ cavgcnstdstdr c ∈= . ... Take cavgF _= as an example, then: )_,_max( )_,_min( ))(),(max( ))(),(min( ),,( 21 21 21 21 21 cc cc cavgcavg cavgcavg CFCF CFCF FCCSIM = = (7) then the relative similarity RSIM for a certain ... found in name card scanners which readily capture name card images followed by optical character recognition (OCR) to build a name card database. The application provides for document information...

Ngày tải lên: 05/11/2012, 14:54

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Estimation of Proper Strain Rate in the CRSC Test Using a Artificial Neural Networks

Estimation of Proper Strain Rate in the CRSC Test Using a Artificial Neural Networks

... DESIGN ARTIFICIAL NEURAL NETWORK MODEL Neural networks are computer models that mimic the knowledge acquisition and organization skills of the human brain. Since, the characteristics of a neural ... results of the preconsolidation pressure ratio ( ) )()( ILCCCRSC PP and compression index ratio ( ) )()( ILCCCRSC CC . The abscissa presents the measured values from the consolidation tests, ... the Artificial neural network model for prediction of the proper strain rate of the CRSC test REFERENCES Armour, DW, and Drnevich, VP (1986). "Improved Techniques for the Constant...

Ngày tải lên: 22/03/2013, 15:01

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Mô hình mạng neural network

Mô hình mạng neural network

... hàm truyền Vậy một ngõ vào với c c hàm truyền kh c nhau sẽ cho c c kết quả kh c nhau. Để c giải pháp tối ưu thì c n phải c kinh nghiệm sử dụng c c hàm truyền ho c phải tốn một khoảng thời gian ... linear c thể đư c huấn luyện đến một hàm gần đúng với một số kết nối c định. 2. C U TR C DỮ LIỆU C u tr c định dạng c a dữ liệu vào ảnh hưởng đến vi c mô phỏng c a mạng. C hai loại mạng static network ... (không c hồi tiếp ho c trễ), thứ tự c a c c vector đầu vào không quan trọng và chúng không ảnh hưởng lẫn nhau. Kiểu đầu vào xảy ra liên t c đư c mô phỏng trong mạng dynamic. Thứ tự c c giá trị...

Ngày tải lên: 29/09/2013, 06:20

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043_Nghiên cứu mạng Neural Network trong nhận dạng chữ viết

043_Nghiên cứu mạng Neural Network trong nhận dạng chữ viết

... (ouput). Ch c năng chính c a chương trình: - Xây dựng mạng Neural Networks và khởi tạo trọng số (Weight) một c ch thường xuyên. - Phân tích ảnh điểm c a những ảnh cho kí tự đư c nhận đư c. - ... [3] Artificial Intelligence and cognitive science. â 2006, Nils J.Nilsson Stanford AI Lab http://ai.stanford.edu/~nilsson [4] Offline Handwring Recognition Using Artificial Neural Networks ... biệt cho tập hợp những kí tự huấn luyện (*.cts – character trainer sets). - Tải và lưu trữ thường xuyên mạng đã huấn luyện. - Chuyển đổi kí tự sang mã nhị phân Unicode và ngư c lại một c ch...

Ngày tải lên: 06/10/2013, 20:20

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Tài liệu Handbook of Neural Network Signal Processing P2 docx

Tài liệu Handbook of Neural Network Signal Processing P2 docx

... 2002 by CRC Press LLC • Chapter 13: Hierarchical Fuzzy Neural Networks for Pattern Classification. In this chapter, Taur, Kung, and Lin introduce the decision-based neural network, a modular network, ... fuzzy logic inference into the neural network for rule-based inference and classification. References [1] W. McCulloch and W. Pitts, A logical calculus of ideas imminent in nervous activity, Bulletin ... require PCA. 1.3.1.4 Pattern Classification Pattern classification is perhaps the most important application of artificial neural networks. In fact, a majority of neural network applications can be categorized...

Ngày tải lên: 12/12/2013, 23:15

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Tài liệu Handbook of Neural Network Signal Processing P1 ppt

Tài liệu Handbook of Neural Network Signal Processing P1 ppt

... a neural network with cyclic topology contains at least one cycle formed by directed arcs. Such a neural network is also known as a recurrent network. Due to the feedback loop, a recurrent network ... 2002 by CRC Press LLC Handbook of NEURAL NETWORK SIGNAL PROCESSING â 2002 by CRC Press LLC Contents 1 IntroductiontoNeuralNetworksforSignalProcessingYuHenHuandJenq- NengHwang 2 SignalProcessingUsingtheMultilayerPerceptronMichaelT.Manry,Hema Chandrasekaran,andCheng-HsiungHsieh 3 RadialBasisFunctionsAndrewD.Back 4 AnIntroductiontoKernel-BasedLearningAlgorithmsKlaus-RobertMỹller, SebastianMika,GunnarRọtsch,KojiTsuda,andBernhardSchửlkopf 5 CommitteeMachinesVolkerTresp 6 DynamicNeuralNetworksandOptimalSignalProcessingJoseC.Principe 7 BlindSignalSeparationandBlindDeconvolutionScottC.Douglas 8 NeuralNetworksandPrincipalComponentAnalysisKonstantinosI. Diamantaras 9 ApplicationsofArticialNeuralNetworkstoTimeSeriesPredictionYuansong Liao,JohnMoody,andLizhongWu 10 ApplicationsofArticialNeuralNetworks(ANNs)toSpeechProcessingShigeru Katagiri 11 LearningandAdaptiveCharacterizationofVisualContentsinImageRetrieval SystemsPaisarnMuneesawang,Hau-SanWong,JoseLay,andLingGuan 12 ApplicationsofNeuralNetworkstoImageProcessingTỹlayAdali,YueWang, andHuaiLi 13 HierarchicalFuzzyNeuralNetworksforPatternClassicationJinshiuhTaur, Sun-YuanKung,andShang-HungLin â ... Contents 1 IntroductiontoNeuralNetworksforSignalProcessingYuHenHuandJenq- NengHwang 2 SignalProcessingUsingtheMultilayerPerceptronMichaelT.Manry,Hema Chandrasekaran,andCheng-HsiungHsieh 3 RadialBasisFunctionsAndrewD.Back 4 AnIntroductiontoKernel-BasedLearningAlgorithmsKlaus-RobertMỹller, SebastianMika,GunnarRọtsch,KojiTsuda,andBernhardSchửlkopf 5 CommitteeMachinesVolkerTresp 6 DynamicNeuralNetworksandOptimalSignalProcessingJoseC.Principe 7 BlindSignalSeparationandBlindDeconvolutionScottC.Douglas 8 NeuralNetworksandPrincipalComponentAnalysisKonstantinosI. Diamantaras 9 ApplicationsofArticialNeuralNetworkstoTimeSeriesPredictionYuansong Liao,JohnMoody,andLizhongWu 10 ApplicationsofArticialNeuralNetworks(ANNs)toSpeechProcessingShigeru Katagiri 11 LearningandAdaptiveCharacterizationofVisualContentsinImageRetrieval SystemsPaisarnMuneesawang,Hau-SanWong,JoseLay,andLingGuan 12 ApplicationsofNeuralNetworkstoImageProcessingTỹlayAdali,YueWang, andHuaiLi 13 HierarchicalFuzzyNeuralNetworksforPatternClassicationJinshiuhTaur, Sun-YuanKung,andShang-HungLin â...

Ngày tải lên: 12/12/2013, 23:15

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Tài liệu Neural Network Applications ppt

Tài liệu Neural Network Applications ppt

... pros and cons, computational performance and application domain for various neural network architectures. 4.2 Artificial Neural Networks Artificial neural networks have emerged in recent years ... Family Identification Engineering Design Process Planning Production: Cellular Manufacturing Production Planning & Control Other Functions GROUP TECHNOLOGY & CELLULAR MANUFACTURING â2001 CRC Press LLC 4 Neural Network Applications ... Technology and Cellular Manufacturing 4.1 Introduction 4.2 Artificial Neural Networks 4.3 A Taxonomy of Neural Network Application for GT/CM 4.4 Conclusions 4.1 Introduction Recognizing...

Ngày tải lên: 17/12/2013, 06:15

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Tài liệu Neural Network Applications in Intelligent doc

Tài liệu Neural Network Applications in Intelligent doc

... collected over a period of time under artificially created machining conditions and input to the neural network. The neural network had excellent performance, correctly identifying the fault class ... turning process. The system could accumulate machining experience and recommend process parameters of each machine tool. Machining conditions such as flank wear and surface roughness were predicted ... quality. The trained neural network was able to predict product quality with 100% accuracy, comparable to control charts and statistical techniques. Neural networks were advocated as more desirable...

Ngày tải lên: 17/12/2013, 06:15

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Tài liệu A neural-network-based space-vector PWM controller for a three-level voltage-fed inverter induction motor drive doc

Tài liệu A neural-network-based space-vector PWM controller for a three-level voltage-fed inverter induction motor drive doc

... various capacities, including Chairman of the IEEE Industrial Electronics Society (IES) Power Electronics Council, Associate Editor of the IEEE T RANSACTIONS ON I NDUSTRIAL E LECTRONICS , IEEE IECON ... The computational delay of this mapping becomes negligible if parallel architecture of the network is imple- mented by application-specific IC (ASIC) chip. A feedforward carrier-based PWM technique, ... a faculty member at Bengal Engineering College for 11 years (1960–1971). He is specialized in power electronics and motor drives, specifically including power converters, ac drives, microcomputer/DSP control,...

Ngày tải lên: 22/12/2013, 08:16

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