edge detection in biomedical images using self organizing maps

... Assignment in Open Source Software Development using Self- Organizing Development using Self- Organizing Maps Open Source SoftwareMaps 67 67 Table Reference vector 68 68 Self Organizing Maps - Applications ... Assignment in A Method for Project Member Role Assignment in Open Source Software Development using Self- Organizing Development using Self- Organizing Maps Open Source SoftwareMaps 65 65 66 66 Self Organizing ... Assignment in A Method for Project Member Role Assignment in Open Source Software Development using Self- Organizing Development using Self- Organizing Maps Open Source SoftwareMaps 63 63 Results We defined...

Ngày tải lên: 28/04/2014, 10:14

... University, Beijing, China, in 1996 He is currently pursuing the Ph.D degree in the Electrical Engineering Department at The Ohio State University, Columbus His research interests include modeling and ... to help identify the resistance and nonlinear inductance of SRM winding from operating data First, the resistance and inductance of the magnetizing winding are identified from standstill test ... online model is 0.6885 It means that the online model gives much better estimation of operating phase currents IX ADVANTAGES OF USING NEURAL NETWORK MAPPING During online operation, the exciting...

Ngày tải lên: 28/04/2014, 10:17

... Colorfulness Measuring the brightness using a light meter and a gray card, controlling the exposure using the aperture and shutter speed settings, and darkroom printing with dodging and burning are basic ... example in Fig 2, loneliness is depicted using a man in the frame, increasing its appeal, while the lack of the person makes the photograph uninteresting and is likely to cause poorer ratings from ... former eliminates irrelevant features before training the classifier, the latter chooses features using the classifier itself as an integral part of the selection process In this work, we combine these...

Ngày tải lên: 07/03/2014, 17:20

... (starred points in Figure 2.) Boldface indicates adaptation results better than baseline; italics indicate worse than baseline train meetings (lex+pros) train meetings (lex only) train meetings (pros ... training set using the guessed labels, then retrain the classifier using the new training set This is repeated for r rounds In order to use prosodic features, which are 121 available only in the ... prosodic features, and Wiki talk pages using lexical features 3.4 Adaptation Results For bootstrapping, we first train an initial baseline classifier using the Wiki training data, then use it to label...

Ngày tải lên: 17/03/2014, 00:20

... possible intensity changes In [14], using numerical optimization, optimal operators are preliminary derived for ridge and roof edges, and then specialized for step edges In [15], the edge detection ... statistical inference problem Other interesting approaches to edge detection, especially for noisy information fusion scenarios, are proposed in [16, 17] In [18], we have proposed a preliminary analytical ... Sastry, “Distributed environmental monitorning using random sensor networks,” in Proceedings of the 2nd International Workshop on Information Processing in Sensor Networks, pp 582–592, Palo Alto,...

Ngày tải lên: 21/06/2014, 17:20

... using communications when needed (communicative) and using redundant computations to reduce communications (independent), obtaining similar results in both cases Here, the processing time using ... results have indicated that using just one GPU we can obtain parallel performance results which are equivalent to those obtained using tens of nodes in a cluster, thus significantly reducing the weight ... nodes in the system are running In general terms, the maintenance costs for a cluster with P processing nodes is similar to the maintenance costs for P independent machines However, the maintenance...

Ngày tải lên: 21/06/2014, 18:20

... Jamzad, “Finding point spread function of motion blur using radon transform and modeling the motion length,” in Proceedings of the 4th IEEE International Symposium on Signal Processing and Information ... calculated using the following equations: L = rL × + 10; φ = rφ × 10; (19) σw = rσ × 0.05 + 0.01 In each iteration, a degraded image was created using these parameters Therefore, regarding intervals ... Peak corresponding with line direction (6) The continuous Fourier transform of h, which is a SINC function is shown in (7) [19]: Hc (u) = Sin(uπL/2) uπL (7) 45 H(u) = Sin(Luπ/N) , L Sin(uπ/N) ≤...

Ngày tải lên: 22/06/2014, 23:20

... Multiplexed detection of proteins in cell lysate using high-density microarrays (a) Cyclic voltammogram of an individual microelectrode protected with an mPEG protein-inhibiting layer (black line), ... the introduction of a single cysteine residue at the amino terminus, enabling attachment to gold electrodes via S-Au bonds (see [26] for further details) This cysteine residue is the only cysteine ... by insertion of oligonucleotides encoding the CDK-interacting peptide sequences derived from the thioredoxin-based peptide aptamers of Colas et al [17] into restriction sites in the open reading...

Ngày tải lên: 06/08/2014, 18:21

... Sciences and Engineering and the Systems Biomedicine Graduate program for financial support Author details Centre for Process Systems Engineering, Department of Chemical Engineering, University ... modularity is defined as the fraction of all edges that lie within communities minus the expected value of the same quantity in a graph in which the vertices have the same degrees but edges are placed ... for module detection that is capable of handling large size networks and (ii) incorporating strategies for dealing systematically with the problem of a resolution limit in module detection through...

Ngày tải lên: 12/08/2014, 17:20

... create a mapping for this window using histogram equalization technique Interpolate green layer mappings in order to assemble final image For each window Extract four neighboring mapping functions ... map the input pixel green layer intensities to output green layer intensities In order to eliminate artificially induced boundary, input image is divided into 64x64 partially overlapping windows ... image into windows of size 64x64 NumRows=M/64; 39 NumCols=N/64 Process each window using histogram equalization a) extract a 64x64 window b) make a histogram for this window using 256 bins c)...

Ngày tải lên: 02/10/2015, 12:56

... of an object, a post processing step is required, which is called edge linking The simplest approach of edge linking is to examine the neighboring edge pixels If the edges have similar magnitude ... the input pixel) we superimpose the structuring element on top of the input image so that the origin of the structuring element coincides with the input pixel coordinates If for every pixel in ... then a link can be established between these two edges Generally speaking, edge linking is quite computationally expensive and not very reliable One solution is to make the edge linking semiautomatic...

Ngày tải lên: 05/10/2015, 21:23

... text images are not contained in the corresponding HTML file Before excluding stopwords, 42% of all the words in the images are not contained in the corresponding HTML file 78% of all the words in ... sources in the web, plays an important role in interpreting the web If we could extract the information from web images and embed it into the Web IE, we believe that this kind of information in web ... textual information of images in web pages The inaccessible problem of textual information in image form still continues and does not improve However, text in 15 web images is a complementary information...

Ngày tải lên: 12/10/2015, 17:33

... Analysis Most existing works diagnose OSA using information contained in snore episodes The general framework of these methods are similar Snoring sound is first segmented into individual components ... labeling tool Therefore, only the basic idea of CRF is introduced in this section Detailed explanation can be found in [28, 29] Clique, a graph C generated for each instance during training and inference, ... concatenated into one to be fed into the CRF model for training 4.3 Testing with CRF The remaining 18 pieces of recording (BMI: 31.11± 5.91 kg/m2 ; AHI: 32.78 ± 32.30 events/h, ranging from 0.5...

Ngày tải lên: 27/11/2015, 11:25

... neural networks One in particular, the Self- Organizing Map, is discussed next Introduction to Kohonen Self- Organizing Maps Kohonen Self- Organizing Maps (or just Self- Organizing Maps, or SOMs for ... also be called “Feature Maps , as in Self- Organizing Feature Maps Retaining principle 'features' of the input data is a fundamental principle of SOMs, and one of the things that makes them so ... I Table of Contents I Introduction Introduction to Neural Networks Introduction to Kohonen Self- Organizing Maps II Self- Organizing Maps (SOMs) Structure of a SOM The SOM Algorithm...

Ngày tải lên: 28/04/2014, 10:14

... Representations of Self- Organizing Maps Information-Theoretic Approach to Interpret Internal Representations of Self- Organizing Maps 2.2 Information-theoretic competitive learning We begin with information ... (c) Information-Theoretic Approach to Interpret Internal Representations of Self- Organizing Maps Information-Theoretic Approach to Interpret Internal Representations of Self- Organizing Maps ... Information-Theoretic Approach to Interpret Internal Representations of Self- Organizing Maps Information-Theoretic Approach to Interpret Internal Representations of Self- Organizing Maps 11 must be increased as much...

Ngày tải lên: 20/06/2014, 07:20

... Assignment in Open Source Software Development using Self- Organizing Development using Self- Organizing Maps Open Source SoftwareMaps 67 67 Table Reference vector 68 68 Self Organizing Maps - Applications ... Assignment in A Method for Project Member Role Assignment in Open Source Software Development using Self- Organizing Development using Self- Organizing Maps Open Source SoftwareMaps 65 65 66 66 Self Organizing ... Clustering Using SOM and K-Means In: Matsopoulos, G (ed.), Self- Organizing Maps, InTech Education and Publishing, Vienna, Austria Họmọlọinen, T (2002) Parallel implementation of self- organizing maps, ...

Ngày tải lên: 20/06/2014, 07:20

... Springer-Verlag, Berlin, Heidelberg Kohonen, T K (2001) Self- Organizing Maps, 3rd edn, Springer-Verlag, Berlin, Heidelberg Koikkalainen, P & Oja, E (1990) Self- organizing hierarchical feature maps, International ... brain in regions in such a way that the sensory inputs are represented by 74 Self Organizing Maps - Applications and Novel Algorithm Design topologically organized maps The Kohonen self- organizing ... of the winning neuron for an input vector x being in the neighborhood of last winning neuron is high Thereby, Kohonen (1997) recommends storing a pointer relating a vector x to the winner neuron...

Ngày tải lên: 20/06/2014, 07:20

... web mining is used in two different ways: • Web content mining – information discovery from sources across the World Wide Web • Web usage mining – mining for user browsing and access patterns In ... First Training Period Length 2000 First Training Neighborhood Radius 20 First Training Constant 0.5 Second Training Period Length 8000 Second Training Neighborhood Radius Second Training Constant ... Emotion Map Using Self- Mapping, The IEICE Trans Infomation and Systems (Japanese Edition), Vol.J91-D, No.11, pp.2659-2672 Kohonen, T (1995) Self- Organizing Maps, Springer Series in Information...

Ngày tải lên: 20/06/2014, 07:20

... acted as an inverted file to store 180 Self Applications and Novel Achievements Self Organizing Maps - Organising Maps, NewAlgorithm Design the mapping from concepts to images In this index, for ... generated by a clustering technique A semantic 174 Self Applications and Novel Achievements Self Organizing Maps - Organising Maps, NewAlgorithm Design modeling approach is investigated in Vogel & Schiele ... Clustering and Modified Inverted SOM-Based Clustering and Modified Inverted Indexing Indexing 175 Fukunaga (1990) There are three main steps to be considered before representing images in a visual concept-based...

Ngày tải lên: 20/06/2014, 07:20

... Identification System in Noisy Environment using Hidden Markov Model Fig 14 The process of determining the combined bispectrum Fig 15 Bispectrum domain sampling process 203 204 Self Organizing Maps - Applications ... process of windowing and Fourier transformation, performed wrapping of signals in the frequency domain using a number of filters In this step, the spectrum of each frame is wrapping using M triangular ... processing is to window each individual frame so as to minimize the signal discontinuities at the beginning and end of each frame The concept here is to minimize the spectral distortion by using...

Ngày tải lên: 20/06/2014, 07:20