feature extraction and selection
Báo cáo " Isolated Handwritten Vietnamese Character Recognition with Feature Extraction and Classifier Combination " docx
Ngày tải lên :
14/03/2014, 13:20
... Vietnamese handwritten recognition [9, 23] on both aspects of feature extraction and classifier combination Feature extraction 4.1 Gradient feature extraction The method of gradient feature extraction ... three kinds of feature extraction: gradient, structural feature, and concavity extraction, each of which corresponds to a feature set Note that we also integrate all these three feature sets for ... characteristics above and choose a threshold to determine whether features in that part are on or off These features consist of: one coarse pixel density features, large stroke features (horizontal and vertical...
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nixon, m. s. (2002) feature extraction and image processing
Ngày tải lên :
18/04/2014, 12:28
... our parents To Gloria and to Joaquin Aguado, and to Brenda and the late Ian Nixon Feature Extraction and Image Processing Mark S Nixon Alberto S Aguado Newnes OXFORD AUCKLAND BOSTON JOHANNESBURG ... eye that it would be difficult to include, and would often be unwanted, in a computer vision system: Mach Feature Extraction and Image Processing bands and sensitivity to unsensed phenomena These ... they contain enough information to perform feature extraction and image analysis Should the image be originally colour, we will 32 Feature Extraction and Image Processing (a) Original image (b)...
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Báo cáo hóa học: " Research Article A Minimax Mutual Information Scheme for Supervised Feature Extraction and Its Application to EEG-Based Brain-Computer Interfacing" pot
Ngày tải lên :
21/06/2014, 22:20
... F Oveisi and A Erfanian Original feature creation EEG Ch-n Feature extraction Original feature creation EEG Ch-2 Feature extraction Original feature creation EEG Ch-1 Feature extraction ... purpose of feature extraction, namely minimax feature extraction, as follows: J = I yi ; c − β I yi ; ys ; yi = wT xi , (8) ys ∈S where yi and ys are the new and already extracted features, respectively ... number of already extracted features The proposed feature extraction method is an iterative process which begins with an empty feature set and additional features are created and included one by one...
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approaches to visual feature extraction and fire detection based on digital images
Ngày tải lên :
20/01/2015, 21:12
... are selected randomly and results are shown that separation between Group A and B is quite clear The value of 1 and in Group A and B is almost small The evaluation of rings feature on tested ... height of A and B; A(x,y), B(x,y) are the intensity of pixel at (x,y) on A and B respectively Formally, assuming that I and J are two consecutive frames; M and N are the number of row and column ... L is the number of gray level in image , the fourth and fifth of textural features are x4=m2 and x5=m3 T For each candidate region, eight features as mentioned above are evaluated to construct...
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Báo cáo toán học: " DWT and LPC based feature extraction methods for isolated word recognition" pptx
Ngày tải lên :
20/06/2014, 20:20
... coefficients and its temporal derivatives (first and second derivatives) were extracted and concatenated to form a final LPCC feature vector (this gives feature dimension 39) In MFCC feature extraction ... and MFCC feature vectors (7 LPC/MFCC coefficients and their first and second derivatives) The performances of LPCC, MFCC, and WLPC (UWLPC/ DWLPC) features have been tested on TI-20 database and ... proposed WSCMN feature vectors Figure shows the WSCMN feature extraction steps where U-WSCMN are the uniform decomposed WSCMN feature vectors and D-WSCMN are the dyadic decomposed WSCMN feature vectors...
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Báo cáo hóa học: "Research Article A Joint Time-Frequency and Matrix Decomposition Feature Extraction Methodology for Pathological Voice Classification" doc
Ngày tải lên :
21/06/2014, 19:20
... purpose, and quantification and parametrization of TFD for feature extraction and automatic classification have not been explicitly studied so far In this paper, we explore TF feature extraction ... where ftLF and ftHF are the input feature vectors, and THF and TLF are the total numbers of test feature vectors for HF and LF components, respectively Next, the number of all the features that ... interpretable features, and they are not suitable for feature extraction Therefore, in this paper, we use NMF for TF matrix decomposition NMF algorithm starts with an initial estimate for W and H and performs...
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Báo cáo hóa học: " Research Article Telescopic Vector Composition and Polar Accumulated Motion Residuals for Feature Extraction in Arabic Sign Language Recognition" pdf
Ngày tải lên :
22/06/2014, 19:20
... Table FEATURE EXTRACTION SCHEMES Two solutions for feature extraction schemes are proposed: motion estimation and motion residuals Both solutions are discussed with respect to two different extraction ... found in [10] and references within Feature extraction follows the estimation of motion vectors using one of the following approaches: time-dependent and time-independent feature extraction schemes ... train and classify such time-dependent feature vectors (b) Time-independent feature extraction On the other hand, the motion vectors of a gesture video can be accumulated into one image prior to feature...
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Báo cáo hóa học: " Image Analysis of Soil Micromorphology: Feature Extraction, Segmentation, and Quality Inference Petros Maragos" doc
Ngày tải lên :
23/06/2014, 01:20
... (an)isotropy, and complexity, (5) contrast: degree to which the feature being described is clearly differentiable from other features, and (6) sharpness: transition between the particular feature and other ... “IF feature (1) and and feature (n) THEN category (i).” Each rule consists of an antecedent (its IF part) and a consequence (its THEN part), it is given in symbolic form by the experts and ... distribution histograms and moments measures Geometrical feature extraction Neural network Marker detection/ extraction Correspondence Initial knowledge of soil quality from soilsection features Shape...
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Spatio temporal approaches to denoising and feature extraction in rapid image triage
Ngày tải lên :
09/09/2015, 17:57
... specific approaches for character extraction (Kurniawan and Mohamad, 2009; Khan and Mohammad, 2008) and character recognition (Rakshit and Basu, 2010; Adankon and Cheriet, 2009; Natarajan et al., ... depends on extraction and comparison of individually unique biometric (Jain et al., 1999), such as the characteristics of ridges (Jain et al., 2007; Ji and Yi, 2008) and minutia points (Jea and Govindaraju, ... CSTP method, CSP, CTP, KDJ and CSSP Channel selection (Krusienski et al., 2007) has been done prior to KDJ For CSSP, the time delay τ is 15 (60 ms) and features (first and last 2) are used The last...
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Khai thác dữ liệu chuỗi thời gian dựa vào rút trích đặc trưng bằng phương pháp điểm giữa và kỹ thuật xén = time series data mining based on feature extraction with middle points and clipping method
Ngày tải lên :
26/02/2016, 20:11
... chứng minh rằng: D(Q, O) ≤ Dfeature (Q’, O’) ≤ Điều hiển nhiên Dfeature (Q’, O’) ≤ D(Q, O) ≤ Do bắt buộc phải có: Dfeature (Q’, O’) ≤ D(Q, O) □ Ngoài ra, Dfeature (Q’, O’) gần với D(Q, ... time series data, several dimensionality reduction methods, which is based on feature extraction, have been proposed and used However, a number of these methods did not provide any formal proof ... R*-tree combined with the idea of early abandoning in Euclidean distance computation and (2) the algorithm using MP_C associated with Skyline index; and between the two algorithms, the latter...
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Chapter 9: Working with Selections and Selection Layers
Ngày tải lên :
27/08/2012, 14:31
... choosing Selection Add Layer to Selection or Selection Subtract Layer From Selection Figure 9-23: Convert a selection layer to a selection and see the marching ants Figure 9-24: You can convert selection ... Chapter 9: Working with Selections and Selection Layers You can also take any visible selection layers you have and add them to or subtract them from an existing image layer selection (See Figure ... a selection layer that you’ll later convert to an image layer selection Converting selection layers to image selections Converting an area you block off in a selection layer into an actual selection...
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Tài liệu CLUTCHES AND BRAKES Design and Selection
Ngày tải lên :
20/10/2012, 09:58
... Understanding Gear Noise, J Derek Smith Chains for Power Transmission and Material Handling: Design and Applications Handbook, American Chain Association Corrosion and Corrosion Protection Handbook, ... Pressure Sensors: Selection and Application, Duane Tandeske 73 Zinc Handbook: Properties, Processing, and Use in Design, Frank Porter 74 Thermal Fatigue of Metals, Andrzej Weronski and Tadeusz Hejwowski ... Revised and Expanded, Earl Logan, Jr 86 Vibrations of Shells and Plates: Second Edition, Revised and Expanded, Werner Soedel 87 Steam Plant Calculations Manual: Second Edition, Revised and Expanded,...
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Improvement of recruitment and selection process in HKT Consultant Jsc
Ngày tải lên :
24/07/2013, 15:36
... choosing the best pool of candidates quickly and cost efficiently But successful recruitment and selection can be costly and time-consuming Still, recruitment and selection is crucial for a business, ... current recruitment and selection process of HKT Then, a critical analysis of the existing recruitment and selection process is conducted to determine which recruitment and selection practices ... recruitment and selection process in terms of theoretical point of view and the practical use The study will allow learning about the recruitment and selection issues, importance, modern techniques and...
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Harvesting, oil extraction, and conversion of local filamentous algae growing in wastewater into biodiesel
Ngày tải lên :
05/09/2013, 15:28
... Healthcare, Bucks, England, UK) between the wavelengths of 400 and 700 nm in increments of 10 nm The peak absorption of light in the red portion of the spectrum was between 650 and 680 nm, and light at ... the algal pulp and needed pressing and filtration for recovery, as already described The extraction required over 100 hours to release most of the chlorophyll Subsequent successive extractions with ... viable lipid extraction method for obtaining oil from algal cells and analyzing its quality, (iii) increasing the quantity of algal oil to generate a reasonable amount of biodiesel fuel, and (iv)...
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Feature Extraction
Ngày tải lên :
12/09/2013, 00:09
... Engineering Feature Extraction -2- Digital Image Processing Department of Biomedical Engineering Feature Extraction -3- Digital Image Processing Department of Biomedical Engineering Feature Extraction ... Engineering Feature Extraction -5- Digital Image Processing Department of Biomedical Engineering Feature Extraction -6- Digital Image Processing Department of Biomedical Engineering Feature Extraction ... Engineering Feature Extraction -8- Digital Image Processing Department of Biomedical Engineering Feature Extraction -9- Digital Image Processing Department of Biomedical Engineering Feature Extraction...
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Application and selection
Ngày tải lên :
01/11/2013, 09:20
... orchestral, and military band, on trombone, fiddle, tin whistle, mandolin, and bodhran …” If Irish music be the food of medicine, play on But that was not all, for he continued: “I also enjoy boxing and ... all applicants and entrants In 2008, over 700 of the home and EU places will be on fast-track graduate courses It is worth completing the UCAS form accurately and legibly Deans and admission tutors ... medicine and then those subjects needed for university matriculation, usually English language and mathematics All attempts at examinations should be entered and clearly separated The date and number...
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Clutches and brakes design and selection P1
Ngày tải lên :
09/11/2013, 03:15
... processes through overhead cranes, hoists, and industrial brakes and clutches and in farm and garden tractors Some or all of the following materials, and others, that are now necessary to produce ... friction and wear of Polytetrafluoroethylene-based composites Wear 79: 221–234 Anderson, J C (1986) The wear and friction of commercial polymers and composites In: Friedrich, K., ed Friction and Wear ... manufacture of brake linings and clutch facings for both wet (oil bath) and dry clutch applications In dry brake and clutch applications, a flexible, nonwoven form can withstand dynamic pressure up...
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Tài liệu Changing Feature Licenses and System pptx
Ngày tải lên :
11/12/2013, 13:15
... client and connect to ftp.cisco.com Use your CCO username and password Step Enter the command cd /cisco/web/tftp and use the ls command to view the directory contents Step Use the get command to ... address, server, and file commands, and then enter the tftp command to start the download The commands are as follows: a If needed, use a question mark (?) or enter the help command to list the ... and connect to ftp.cisco.com Use your CCO username and password Step You can view the files in the main directory by entering the ls command Step Enter the cd /cisco/ciscosecure/pix command and...
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Tài liệu Clutches and brakes design and selection P2 doc
Ngày tải lên :
17/12/2013, 11:15
... pressure between the drum and the lining, and w represents the width of the band Upon simplifying equations (1-1) and (1-2) and remembering that as the element of band length approaches zero, ... flexible enough for use in a band brake and has the limiting temperature and pressure capability Thus, use A = 0.4 and equation (1-10) to find that at the maximum radius the band width should be given ... the radius r of the drum and the width w of the band This equation points out a disadvantage of a band brake: The lining wear is greater at the high-pressure end of the band Because of this the...
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