classification of mammograms using a modular neural network

... Advanced Neural Network Architectures /Modular Neural Networks Chapter Classification of Mammograms Using a Modular Neural Network 8.1 Introduction 8.2 Methods and System Overview 8.2.1 Data Acquisition ... second part deals with unsupervised neural networks and fuzzy neural networks and their applications to handwritten character recognition, as well as recognition of normal and abnormal visual evoked ... effect of a stimulus on the neural network and the ability or lack of it to recognize that stimulus All NNs have certain architectures and all consist of several layers of neuronal arrangements...

Ngày tải lên: 24/08/2014, 17:51

... global analysis and structural analysis As an example of the first category, we find techniques such as template matching, moment invariant, mathematical transforms (Fourier, Walsh, Hadamard, ... degree of correlation between a feature’s template and the input image A value of indicates that a feature template did not match the digit image; a value of indicates a complete match; and values ... 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 is high, it indicates that the feature is able...

Ngày tải lên: 28/04/2014, 10:10

... labeled for each particular verb as so-called frames Additionally, semantic roles can also be labeled with one of 13 ARGM adjunct labels, such as ARGM-LOC or ARGM-TMP for additional locational ... because PropBank was built by labeling the nodes of a hand-annotated parse tree, pernode accuracy is usually reported in papers such as (Pradhan et al., 2004) Unfortunately our approach is based ... predictions of our system in comparison to ASSERT can be found at http: //ml.nec-labs.com/software/senna Part -Of- Speech Tagger The part -of- speech classifier we employ is a neural network architecture of...

Ngày tải lên: 17/03/2014, 04:20

... arm At the end of each task, a standard back-propagation algorithm with momentum is used for the training and thus the variation of the weights The training of the artificial neural network and ... use of Artificial Neural Networks (ANN) because of their capabilities to adapt and to generalise to new situations In order to link the neural learning/adaptation processes to their artificial ... is able only to make ballistic planar movements, which in any case constitute as a proof of concept Figure 20 Adaptation of the neural controller to external forces Adaptation of the neural controller...

Ngày tải lên: 19/06/2014, 10:20

... matches with that of the standard pattern situated at a certain location, and that, at the same time, the lower part of this input pattern matches with that of the same standard pattern situated ... : Self-organizationof a neural network which gives position-invariant response (in Japanese) Pap Tech Group MBE 78-109, IECE Japan (197 9a) Fukushima, K : Self-organizationof a neural network which ... human brain, the process of recognizing familiar patterns such as alphabets of our native language differs from that of recognizing unfamiliar patterns such as foreign alphabets which we have...

Ngày tải lên: 08/07/2014, 17:02

... ultrasonic evaluation, each cartilage sample was divided in two along a sagittal plane using a diamond band saw (EXAKT BS300CL; Meiwa, Tokyo, Japan) One part was used for histological analysis and ... in a uniform array at the palisades, similar to hyaline cartilage Gross appearance of a cartilage defect in the patella groove implanted with a complex between adherent bone marrow cells and ... & Therapy Vol No 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]...

Ngày tải lên: 09/08/2014, 06:22

... understanding of 3D behaviour of an excavation can then be derived The development of an in-flight excavation apparatus suitable for 3D excavation is already a very complicated task To put in place ... excavation was carried out In all excavations, the first stage is usually an unstrutted excavation If the excavation is in soft soil, this first stage of excavation is often a critical stage ... in an analysis, a more accurate and economical design can be achieved 1.2 CURRENT UNDERSTANDING ON 3D BEHAVIOUR OF DEEP EXCAVATION For an excavation supported by retaining wall, the unbalance...

Ngày tải lên: 16/09/2015, 17:12

... -phase P states and performed with the and signals only Similar operations are signals of all the phases and all the The drive performance was evaluated in detail by simulation with the neural network ... time of and states of phase voltage in mode These wave patterns are, respectively, defined as pulsed and notched waves It can be shown that similar wave patterns are also valid for the sectors and ... SECTORS AND REGIONS A ANN Output Signal Segmentation and Processing It was mentioned before that, in the PWM waves of the odd , or , states appear as pulsed waves and sector states appear as notched...

Ngày tải lên: 22/12/2013, 08:16

... Journals of International repute Also he has reviewed a good number of research papers of some International Journals Dr Das is currently acting as the honorary member of editorial board of Indian ... as a Faculty of Physics in Nayagarh (Autonomous) College, Orissa (India) from 1982-2004 and presently working as the Head of the faculty of Physics in KBDAV College, Nirakarpur, Orissa (India) ... [15] Das S S., Satapathy A. , Das J K., Panda J P Mass transfer effects on MHD flow and heat transfer past a vertical porous plate through a porous medium under oscillatory suction and heat source...

Ngày tải lên: 05/09/2013, 14:58

... mối quan hệ a = n

Ngày tải lên: 29/12/2013, 11:17

... Springer-Verlag, 3333: 418-425 14 Yen, J.C and J.I Guo, 2002 The design and realization of a chaotic neural signal security system Pattern Recognition and Image Analysis (Advances in Mathematical Theory and ... feed-forward network implementing the back propagation algorithm[11, 12] The backpropagation neural network: One of the most commonly used supervised ANN model is backpropagation network that uses backpropagation ... presented as a Public key Pub_U=< Net, W > (17) Artificial neural networks (ANNs): A neural network is a massively parallel-distributed processor made up from simple processing units, which has a natural...

Ngày tải lên: 14/02/2014, 16:20

... (GenBank: AAA19802), T reesei (GenBank CAA49596), A niger (GenBank AAF04491), H grisea (GenBank AAD11942) and A aculeatus (GenBank BAA25183) gave sequence identity values of 65%, 64%, 73%, 51% and ... classification of cellulases Eur J Biochem 258, 200–206 68 Takashima, S., Iikura, H., Nakamura, A. , Hidaka, M., Masaki, H & Uozumi, T (1998) Isolation of the gene and characterization of the enzymatic ... inner RACE primers were as follows: outer 5¢-RACE primer CATGCGGTAAGGGTTGAAGTCACA-3¢; inner 5¢-RACE primer 5¢-GTTTGCTTCCCAGACATC CATC-3¢; outer 3¢-RACE primer 5¢-ATGCTGTGGTTGG ATTCCGACTAC-3¢; and...

Ngày tải lên: 23/03/2014, 13:20

... for part -of- speech tagging In Proc Conf on Empirical Methods in Natural Language Processing, pages 133–142, Univ of Pennsylvania, PA Adwait Ratnaparkhi 1999 Learning to parse natural language ... criteria the neural networks are trained to optimize Two of the neural networks are trained using the standard maximum likelihood approach of optimizing the same probability which they are estimating, ... maximize this conditional probability, but often not actually calculate the probability, as with Support Vector Machines (Vapnik, 1995) We take the approach of actually calculating an estimate...

Ngày tải lên: 23/03/2014, 19:20

... (1994) Computer analysis of bacterial haloacid dehalogenases defines a large superfamily of hydrolases with diverse specificity Application of an iterative approach to database search J Mol Biol ... Val334, and Val336 on M4 and Ala726 and Asp730 on M6 Alanine-scanning mutagenesis along segment M4 of yeast H+-ATPase showed that replacement of Ile331 and Val334 had little or no effect on ATP-dependent ... aspartate (Asp378 in PMA1_NEUCR), several cavities are also seen at the same position in ATC1_RABIT (data not shown) Aside from mutations directed against a small stretch of amino acids adjacent to...

Ngày tải lên: 23/03/2014, 21:20

... (Canny_PCA_ANN) improved the Classification Accuracy than Rapid Facial Expression Classification Using Artificial Neural Networks [10] and Facial Expression Classification Using Multi Artificial ... COMPARATION CLASSIFICATION RATE OF METHODS Method Rapid Facial Expression Classification Using Artificial Neural Networks [10] Facial Expression Classification Using Multi Artificial Neural Network ... Expression Classification Using Multi Artificial Neural Network [11] in the same JAFFE database In this paper, we suggest a new method using Canny, Principal Component Analysis (PCA) and Artificial Neural...

Ngày tải lên: 28/04/2014, 10:06

... INeuronStrategy, called BackPropNeuronStrategy (for a backward propagation neural network) A Neural Network is initialized and connections betweens layers are made by a neural network factory A Factory ... trained the network 4.1 Training Phase This section explains how the training takes place, in a back ward propagation neural network In a backward propagation neural network, there are several ... library Understanding Neural Networks One fascinating thing about artificial neural networks is that, they are mainly inspired by the human brain This doesn't mean that Artificial Neural Networks...

Ngày tải lên: 28/04/2014, 10:10

... include building a neural- network architecture capable of providing a uniform representational framework for environment and movements (Hogan 1984) The analogical nature of neural networks might ... a model for the formation of limb trajectories, based on a neural network architecture The task under consideration was that of reaching a target defined in terms of a sensory stimuli The trajectories ... time trajectories was that proposed by Jordan (1986) We have shown that: I The task could be learned by a three-layer sequential network trained by a standard backpropagation procedure The network...

Ngày tải lên: 28/04/2014, 10:16

Ngày tải lên: 28/04/2014, 10:16

Ngày tải lên: 28/04/2014, 10:17

Ngày tải lên: 28/04/2014, 10:17