supervised and unsupervised pattern recognition
... contains chapters that introduce the subjects of neural networks, classifiers, and feature extraction methods Neural networks are of the supervised type of learning The second part deals with unsupervised ... Rates from Bootstrapping Assessment 3.6 Summary Acknowledgments References Chapter Other Types of Feature Extraction Methods 4.1 Introduction 4.2 Wavelets 4.2.1 Discrete Wavelet Series 4.2.2 Discrete ... reasoning of most neural networks in their decision making cannot easily be extracted upon the completion of training However, due to the linearity of the network nodes, the cluster prototypes of an...
Ngày tải lên: 24/08/2014, 17:51
... features are: (1) what type of features to use, (2) how many features to use, (3) how to select the “best” features, and (4) how to define criteria for selecting the “best” features The use of ... combination of the two The information measure is based on Shannon’s entropy It is a statistical measurement of the capability of a feature to separate digit classes If the information measure of a feature ... yields features that not respond similarly to an input image, i.e the response of one feature would be high when the other is low on some classes and vice-versa on all the other classes Thus the features...
Ngày tải lên: 28/04/2014, 10:10
... part of a noun or verb phrase (by looking at the parent nodes of that node) • The voice of the sentence: active or passive (part of the PropBank gold annotation); as well as several other features ... words that are the children of that node They extract several key types of features from the parse tree to be used in a statistical model for prediction These same features also proved crucial ... rather than using explicitly engineered features In practice, our system also provides semantic tags at a fraction of the computational cost of other methods, taking on average 0.02 seconds to...
Ngày tải lên: 17/03/2014, 04:20
báo cáo hóa học: " A biologically inspired neural network controller for ballistic arm movements" ppt
... values of the parameters of the arm Parameter M – Mass of the subject M1 – mass of the upper arm M2 – mass of the lower arm L – height of he subject l1 – length of the upper arm l2 – length of the ... the interval of co-activation of flexor and extensor muscle The value of 1.5 s in the abscissa is the total observation time Page of 17 (page number not for citation purposes) Journal of NeuroEngineering ... techniques for the exploration of motor spaces have been proposed [8] thus meeting the features of self-organization typical of internal representations The adaptability of the neural model together...
Ngày tải lên: 19/06/2014, 10:20
A self organizing neural network model for a mechanism of pattern recognition unaffected by shift in position
... one of the features of the stimulus patterns, and there is not a possibility of formation of redundant connections such that two or more S-planes are used for detection of one and the same feature ... accordance with the increase of I) After completion of self-organization, the procedure of which will be discussed in the next chapter, a number of feature extracting cells of the same function are ... the degree of saturation of C-cells Self-organization of the Network The self-organization of the neocognitron is performed by means of "learning without a teacher" During the process of self-organization,...
Ngày tải lên: 08/07/2014, 17:02
Báo cáo y học: "Quantitative ultrasound can assess the regeneration process of tissue-engineered cartilage using a complex between adherent bone marrow cells and a three-dimensional scaffold" docx
... maximum magnitude of the measurement area of the operated knee divided by that of the intact cartilage of the opposite, nonoperated knee; %MM) was used as a quantitative index of the cartilage ... side) (a) and a cross section (b) of the scafscaffold fold Schematic illustration of cell seeding (left) and scanning electron photomicrograph of cross section of cells seeded in the 3D-PLGA scaffold ... Hattori et al Figure Schematic illustration of articular cartilage analysis and measurement methods of cartilage samples used in [13] A reflex echo of articular cartilage [13] (upper) and a wavelet...
Ngày tải lên: 09/08/2014, 06:22
Effect of a corner in a three dimensional excavation
... modulus of wall, same for all the test (E1 = E2 = E3) A = Cross sectional area of the wall, which is total depth of wall * thickness of wall Hence: A3 = * A1 (A of Test 3DK-3 = times of A of Test ... A2 = * A1 (A of Test 3DK-2 = times of A of Test 3DK-1) Lm1 = Distance from corner when wall of Test 3DK-1 yielded = 10m Fig 5.27 Illustration showing the hypothesis of normalization of corner effects ... pressure coefficient of about 2.0 of the clay would be reduced to a value of between 1.0 and 1.2 during the slurry trench phase of the retaining wall Hence, the Ko of unity of the liquid was deemed...
Ngày tải lên: 16/09/2015, 17:12
Tài liệu A neural-network-based space-vector PWM controller for a three-level voltage-fed inverter induction motor drive doc
... plots of (5) and (6) in mode which are at higher voltages Note that the curves are not symmetrical because of saturation The saturation of in sector mode is eviat dent from the waveforms of Fig ... Chairman of the IEEE Industry Applications Society (IAS) Industrial Power Converter Committee, and IAS member of the Neural Network Council He has been a Member of the Editorial Board of the PROCEEDINGS ... OF THE IEEE since 1995 He was the Guest Editor of the PROCEEDINGS OF THE IEEE “Special Issue on Power Electronics and Motion Control” (August 1994) He has served as a Distinguished Lecturer of...
Ngày tải lên: 22/12/2013, 08:16
Effect of periodic suction on three dimensional flow and heat transfer past a vertical porous plate embedded in a porous medium
... number of research papers of some International Journals Dr Das is currently acting as the honorary member of editorial board of Indian Journal of Science and Technology and as Referee of AMSE ... temperature of the flow field at all points The permeability parameter decreases the x-component and increases the magnitude of zcomponent of skin friction at the wall On the other hand, the effect of ... Journal of Energy and Environment (IJEE), Volume 1, Issue 5, 2010, pp.757-768 763 The effect of permeability of the medium on the velocity of the flow field is shown in Figure Keeping other parameters...
Ngày tải lên: 05/09/2013, 14:58
TIỂU LUẬN môn học CHUYÊN đề đề tài NEURAL MODEL ANH NETWORK ARCHITECTURES (NẺURAL NETWORK DESIGN)
... tạo đầu nơron vô hướng a (Một số tác giả dùng thuật ngữ “hàm số kích hoạt” thay cho hàm chuyển “offset” thay cho giá trị ngưỡng.) Nếu liên hệ mẫu đơn giản với nơron sinh học mà thảo luận chương...
Ngày tải lên: 29/12/2013, 11:17
Tài liệu A Backpropagation Neural Network for Computer Network Security doc
... (10) Where Bin (X) returns the binary form of X In other words, the Permutation function maps the string M of value V onto a string located at Vth position of the P vector Note that vector P includes ... artificial neural networks First, we presented the overall methods of encryption, and then we explored the necessary conditions of asymmetric methods Next, we presented a model for the encryption ... example, if N=5 and N' = 1, then these values generate a space of 1029 times larger than that of DES Where Ej and Mj are encrypted string of length (N+N') and N-bit initial string, respectively Having...
Ngày tải lên: 14/02/2014, 16:20
Báo cáo khoa học: Three-dimensional structure of a thermostable native cellobiohydrolase, CBH IB, and molecular characterization of the cel7 gene from the filamentous fungus, Talaromyces emersonii ppt
... harvested after 24 h of culture on 2% (w/v) glucose, by using the method of Raeder & Broda [33] Amplification of a DNA fragment encoding a portion of the catalytic domain of T emersonii cel7 was ... identity values of 65%, 64%, 73%, 51% and 68%, respectively (Fig 2) [41] Alignment of the deduced polypeptide sequence of T emersonii cel7 reveals the presence of a terminal catalytic domain Other cel7 ... product Alignment of the existing fungal CBH sequences revealed that 1Q9H from T emersonii comprises features found in both Cel7D of P chrysosporium and in Cel7A of T reesei Analysis of the T emersonii...
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: "Discriminative Training of a Neural Network Statistical Parser" pdf
... generative model Both these methods are limited to reranking the output of another parser, while our trained parser can be used alone Neither of these methods use the parameters of a generative probability ... unbounded nature of the parsing problem means that the individual parameters of the discriminative model are much harder to estimate than those of the generative model The parameters of the discriminative ... representation of an unbounded sequence by incrementally computing a representation of each prefix of the sequence At each position i, representations from earlier in the sequence are combined with features...
Ngày tải lên: 23/03/2014, 19:20
Báo cáo Y học: Modeling the three-dimensional structure of H+-ATPase of Neurospora crassa Proposal for a proton pathway from the analysis of internal cavities pptx
... middle of the a/b Rossman fold, down to the Fig Position of internal polar cavities in the Rossman fold of PMA1_NEUCR and two other soluble members of the HAD superfamily (A) Phosphorylation site of ... 2002 3D modelling of Neurospora H+-ATPase (Eur J Biochem 269) 5255 of internal cavities capable of containing water molecules in the homologous Rossman fold of the soluble members of the HAD superfamily ... (see Fig 1) The position of the side chains and hence of cavities in this domain are therefore considered as less reliable than in other parts of the model It is nonetheless of interest that residue...
Ngày tải lên: 23/03/2014, 21:20
a facial expression classification system integrating canny, principal component analysis and artificial neural network
... The direction of the edges: |G | arctan y | Gx | Using Canny algorithm to region detection Using PCA to local features extraction presentation (4) Fig Facial Feature Extraction Process ... apply for local facial feature extraction A facial image is separated to five local regions (left eye, right eye, left and right eyebrows and mouth) Each of those regions’ features is presented ... lecturer at Faculty of Mathematics and Computer Science in University of Pedagogy, Ho Chi Minh city, Vietnam Since 2010, he has been the dean of Information System department of Informatics Technology...
Ngày tải lên: 28/04/2014, 10:06
designing and implementing a neural network library for handwriting detection, image analysis etc
... output of a single neuron As per our above example, the output of neurons N1 and N2 will act as the inputs of N3 and N4 Finding the output of neural network involves, calculating the outputs of all ... Factor of X1 = (Y1.Delta * Weight Of Connection From X1 To Y1) + (Y2.Delta * Weight Of Connection From X1 To Y2) + (Y3.Delta * Weight Of Connection From X1 To Y3) + (Y4.Delta * Weight Of Connection ... calculate the net value of neuron N3 We know that N1 and N2 are connected to N3 Net Value Of N3 = N3.Bias + (N1.Output * Weight Of Connection From N1 to N3) + (N2.Output * Weight Of Connection From...
Ngày tải lên: 28/04/2014, 10:10
a neural network model for limb trajectory formation
... 421 repeated part of the learning procedure with a linear network obtained by removing the hidden layer The purpose of this experiment was that of investigating the amount of non-linearity present ... 80 percent of the cases (i.e in about 80 percent of the limb workspace), the limb remained steady at the final posture which corresponded to the position of the sensory stimulus In other words, ... The results of this experiment show that the network, having learned how to reach a set of targets from a fixed initial position of the limb, was also able to reach the same set of targets from...
Ngày tải lên: 28/04/2014, 10:16
designing a neural network for financial ... - kaastra&boyd
Ngày tải lên: 28/04/2014, 10:17