material growth conditions and sampling
Signal Processing for Remote Sensing - Chapter 3 docx
Ngày tải lên :
12/08/2014, 03:21
... 2.5 2.0 1.5 Sp rea 1.0 dp ara Co m and pute m Co var e mp ian an Com and ute m ce put var e Com e and ian an var mean p ce Com ian and ute m 50 put ce e var e and ian an 40 var mean ce ian 30 ce ... in many applications; however, simple band-pass filtering can alleviate the problem in many cases Therefore, a band-pass filter with a pass band between and 49 Hz (for signals sampled at 100 Hz) ... with the Event Classes and the Sampling Frequencies Used to Collect the Data Class Number a Event Array Sampling Frequency, Hz Vehicle Artillery fire (ARTY) (K8201: Sites and 2) Jet Missile Rocket...
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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
Ngày tải lên :
22/12/2013, 08:16
... , and sampling time Table II shows the analytical time and for all the regions in the six secexpressions for , , and command voltage vector angle [see Fig 3(c)] tors where ( command voltage and ... summarized in , and are the phases and , and Table I, where are dc-bus points, as indicated before Fig 3(a) shows the representation of the space voltage vectors for the inverter, and switching ... possible to superimpose both Figs and with the common bias time and variable The digital word corresponding to as a function of angle for both and states in all the phases and in all the modes can be...
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báo cáo hóa học:" Research Article Performance Analysis of Bit-Width Reduced Floating-Point Arithmetic Units in FPGAs: A Case Study of Neural Network-Based Face Detector" ppt
Ngày tải lên :
21/06/2014, 20:20
... MATLAB and VHDL Figure shows the total design flow using MATLAB and VHDL MATLAB program consists of two parts: learning and detection After the learning procedure, weights data are fixed and saved ... and 4% (1077/27648) of the total available slices (3S4000) are used for FPU16 and FPU32, respectively Therefore, the stand-alone embedded face detection system including preprocessing, FPU, and ... processor LEON FPU uses standard adder architecture [16] The system performance and the clock speed can be further improved by leading-one-prediction (LOP) algorithm and 2path (close -and- far path) algorithm,...
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Tài liệu A Backpropagation Neural Network for Computer Network Security doc
Ngày tải lên :
14/02/2014, 16:20
... input and hidden layer (IW {1,1}) and between hidden and output layer (IW {2,1}) are initialized with the random values in the [-0.5, 0.5] interval Vectors for hidden neuron biases (b {1}) and ... same time sample and previous time sample of encrypted signal In our experiment, IV is “10101001100” and the window is put over the first twelve bits Figure and shows the permuted and doped signal ... signal 714 Modaressi, A.R and S Mohan, 2000 Control and management in Next-Generation Networks: challenges and opportunities IEEE Commun Mag., 38: 94-102 Russell, S and P Norvig, 2003 Artificial...
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Báo cáo khoa học: "Fast Semantic Extraction Using a Novel Neural Network Architecture" docx
Ngày tải lên :
17/03/2014, 04:20
... PropBank dataset version for training and validation and Section 23 for testing as standard in all our experiments We first describe the part-of-speech tagger we employ, and then describe our semantic ... arguments ARG0-5, REL, ARGA, and ARGM- along with the 13 secondary modifier labels such as ARGM-LOC and ARGM-TMP We simplified R-ARGn and C-ARGn to be written as ARGn, and post-processed ASSERT to ... PropBank test set, showing Neural Net and ASSERT and gold standard labelings, with per-word accuracy in brackets Note that even though our labeling does not match the hand-annotated one in the second...
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neural network-based face detection
Ngày tải lên :
28/04/2014, 09:58
... Arbitrating 9) Networks and AND(0) among 10) Networks and AND(0) two threshold(2,3) overlap elimination networks 11) Networks and threshold(2,2) overlap elimination AND( 2) 12) Networks and thresh(2,2) ... overlap elimination and collapsing multiple detections, and the results of using ANDing, ORing, voting, and neural network arbitration Networks and are identical to Networks and 2, respectively, ... different random initial weights, random initial non-face images, and random permutations of the order of presentation of the scenery images As will be seen in the next section, the detection and false...
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rotation invariant neural network-based
Ngày tải lên :
28/04/2014, 09:58
... Moghaddam and Pentland, 1995, Pentland et al., 1994, Burel and Carel, 1994, Colmenarez and Huang, 1997, Osuna et al., 1997, Lin et al., 1997, Vaillant et al., 1994, Yang and Huang, 1994, Yow and Cipolla, ... set of face images [Colmenarez and Huang, 1997, Moghaddam and Pentland, 1995, Pentland et al., 1994], or implicitly by neural networks or other mechanisms [Burel and Carel, 1994, Osuna et al., ... Amnon Shashua, and Tomaso Poggio Example based image analysis and synthesis A.I Memo 1431, MIT, November 1993 [Burel and Carel, 1994] Gilles Burel and Dominique Carel Detection and localization...
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experimental analysis of neural network based feature extractors for
Ngày tải lên :
28/04/2014, 10:10
... and the MLP were trained and, instead of 16 letters, only four letters were chosen: a, c, d, e All training characters were hand printed characters There were 96 training pairs Both the MLP and ... classes and larger datasets, more and more images were segmented from the handwritten words, which were very hard to recognize, so that these ANNs could be trained with a more diverse and challenging ... Yanikoglu, and P A Sandon, “Off-line cursive handwriting recognition using style parameters”, Tech Report PCS-TR93-192, Dartmouth College, NH., 1993 [15] J-H Chiang, “A hybrid neural model in handwritten...
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neural network-based handwritten signature
Ngày tải lên :
28/04/2014, 10:11
... (b) handedness (left or right), (c) age and (d) gender information on the signature dynamics in the form of velocity and pressure profiles Forgers were then allowed to practice their forgeries and ... signatures contained writers of several different nationalities and backgrounds as well as different age groups, genders and left- and right-handedness (see Figure 2) In total there are 111 signers in ... useless) and intuitively considering which other features might be most applicable The intuitive approach was based on study of the handwriting process, forensic analysis of handwriting by humans and...
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neural network-based offline handwritten
Ngày tải lên :
28/04/2014, 10:11
... error rate (EER) of 25.1% and 5.5% was archived for skilled and random forgeries, respectively Figure displays relationship among FRR, FAR for random forgeries (FAR-random), and FAR for skilled forgeries ... useless) and intuitively considering which other features might be most applicable The intuitive approach was based on study of the handwriting process, forensic analysis of handwriting by humans and ... rotation, blurring and thinning Using these algorithm random and simple forgeries can be easily detected A great number of skilled forgeries can also be removed It uses a compact and memory efficient...
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neural network based trajectory planning
Ngày tải lên :
28/04/2014, 10:16
... where l and l are the lengths of shoulder and elbow links respectively The p vector denotes the x and y coordinates of the tip of the manipulator: x p = y (6) Using (5), the x and y coordinates ... (15) • ~ In equation (15), θ i ( t ) and θ i ( t ) represent the error in the joint angle and velocity for the ith link k p and k v are i i the proportional and derivative gains, respectively In ... weights and ep denotes the error of the tip in the Cartesian coordinates Separate neural networks are designed for each joint angle and they are composed of three layers; the input, hidden and output...
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Báo cáo hóa học: " Research Article Validity-Guided Fuzzy Clustering Evaluation for Neural Network-Based Time-Frequency Reassignment" potx
Ngày tải lên :
21/06/2014, 08:20
... 1746–1757, 1992 J Bertrand and P Bertrand, “Time-frequency representations of broad-band signals,” in Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing ... Vectoring and Fuzzy Clustering The spectrogram and preprocessed WVD of various known signals constitute the input and target TFDs for the ANN The ANN may be used to extract mathematical patterns and ... Hz and 0.2 to 0.3 Hz, respectively (a) Spectrogram (TI 2) and (b) NTFD The synthetic test TFDs are processed by the proposed hybrid neurofuzzy method and the results are shown in Figures 3(b) and...
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báo cáo hóa học:" Research Article Analysis of the Effects of Finite Precision in Neural Network-Based Sound Classifiers for Digital Hearing Aids" pot
Ngày tải lên :
21/06/2014, 20:20
... files are monophonic, and were sampled with a sampling frequency of 16 kHz and 16 bits per sample Speech and music files were provided by D Ellis, and recorded by E Scheirer and M Slaney [16] This ... where M1 and M2 are the first and the last index of the bands that are encompassed in the considered speech band Spectral Flux It is associated with the amount of spectral changes over time and is ... 18–20] Speech was recorded by digitally sampling FM radio stations, using a variety of stations, content styles and levels, and contains samples from both male and female speakers The sound files present...
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Báo cáo hóa học: " Research Article Doubly Periodic Traveling Waves in a Cellular Neural Network with Linear Reaction" pdf
Ngày tải lên :
21/06/2014, 20:20
... mutually exclusive and exhaustive cases: i Υ Δ 1; ii Δ and Υ > 1; iii Δ and Υ 1; iv Δ and Υ and v Δ and Υ ≥ The condition Υ Δ is easy to handle Theorem 5.1 Let α, κ ∈ R with κ / and τ, δ satisfy ... vi t ∈ N if and only if j is odd and k is even ii Suppose that cu k,ξ du ξ−k,ξ is a zero vector Then vi if and only if j is odd t t vi vi t ξ/2 t ξ/2 for all i ∈ Z and for all i ∈ Z and t ∈ N Proof ... period of u if, and only if, ηj/ξ ∈ Z and ηk/ξ ∈ Z By Lemma 3.1 i again, ηj/ξ ∈ Z and ηk/ξ ∈ Z if, and only if, η is a period of u Hence the least period of u is the same as u and v is spatial...
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Báo cáo hóa học: " Neural-Network-Based Time-Delay Estimation Samir Shaltaf" docx
Ngày tải lên :
23/06/2014, 01:20
... of the pass and stop frequencies The resulting bandpass digital filter order that satisfies the above conditions was found to be The strict narrow bandwidth condition resulted in a bandpass filter ... stop band bandwidth of 0.32 radian with a 40 dB attenuation for the stop frequencies The center frequency ωc of the bandpass filter was set equal to the reference signal frequency ωo , and was ... interpolation, and system identification It has found its way into many applications in speech and image processing, nonlinear control, and many other areas In this paper, the capability of generalization and...
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neural network based adaptive controller design of robotic manipulators with an observer 88 doc
Ngày tải lên :
27/06/2014, 18:20
... parameters and initial conditions as in the previous case are chosen Fig 5(a) and (b) present the robot joint angle tracking errors during the first and second 20 s of not being considered and considered ... th component of , and with being the minimum eigenvalue of , , and (A.18) With (A.18), we can write down as It is concluded that , and will eventually fall into a , and so will and By residual ... property 1, , and , defined as the minimum and and , respectively Then in the maximum eigenvalues of region of attraction (12a) Observer: (16) (12b) are assumed to be diagonal, , and scale is...
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Electricity price time series forecasting in deregulated markets using recurrent neural network based approaches
Ngày tải lên :
09/09/2015, 18:49
... physical assets in generation and transmission can be Volatility in electricity prices varies over time with weather-related and other demand and supply forces and it is likely mean-reverting ... formation mechanism and factors affecting volatility of price • Analyze electricity price time series from nonlinear theory perspective and understand the underlying dynamics of chaotic and spiking behavior ... by economic and business activities and by the weather Demand is usually characterized as highly inelastic because it is a necessary commodity [8] When there are low levels of demand, generators...
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Artificial neural network based adaptive controller for DC motors
Ngày tải lên :
30/09/2015, 14:16
... initial weights and the biases These initial weights and biases of the ANN and the training curve of the ANN are given in Appendix B (see Fig B.2 and Fig B.3) To interface the computer and the DC ... Windows target, and xPC Target The RTW and xPC Target requires a C compiler The RTW and xPC produces codes for target applications directly from Simulink models and automatically builds and compiles ... changes of the process behavior and the amount of parameter storage that may be necessary to accommodate many operating conditions and the limitations to slow processes and parameter changes Artificial...
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Neural network based multiuser detectors for DS CDMA
Ngày tải lên :
26/11/2015, 22:57
... signal Spread signal Bandwidth W Spreading signal Filter Spreading signal Bandwidth R Figure 1.2 Basic spread spectrum technique performance due to the bandwidth expansion and bandwidth contraction ... modulation of narrow band user signal with wideband PN (pseudo noise) sequences that are assigned to individual users as their signature codes This results in wide bandwidth spectrum and highly reduced ... the reliable and affordable wireless communication for everyone, anywhere and anytime, major improvements in the current wireless technology are expected Furthermore, the growing demand for different...
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