the hermite transform an efficient tool for noise reduction and image fusion in remote sensing

Signal Processing for Remote Sensing - Chapter 3 docx

Ngày tải lên : 12/08/2014, 03:21

... maximizing the mean and at the same time minimizing the variance Maximization of the mean ensures maximum performance; that is, maximizing the CCR and at the same time minimizing the variance to minimize ... train and test the RBF NNs Of the 574 infrasound signals, 351 were used for training the remaining 223 were used for testing The criterion used to divide the data between the training and testing ... up the input layer The hidden layer performs a nonlinear transformation (i.e., the radial basis functions residing in the hidden layer perform this transformation) of the input to the network and...

22
284
0

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

... counter and processed through a logic block to generate the PWM outputs for for for for for (5) for for for for for for for for for for (6) for for for for for 664 IEEE TRANSACTIONS ON INDUSTRY ... state as indicated Equations (3) and (4) can be expressed in the general form for for for - (9) for (3) for for for for for for (4) and denotes the sector name where Similarly, the corresponding expressions ... derived for and symmetry, the turn-off times (see Fig 4) can be given as - - (7) for - for - (8) state pulsewidths are evident and the corresponding and from the figure The remaining time interval in...

10
521
0

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

... 3.1 MRRE and ARRE The number of bits in the FPU is important for the area, operating speed, and power [13] Therefore, it is important to decide the minimal number of bits in ﬂoating-point hardware ... back-propagation In the forward pass, an input pattern vector is presented to the network and the output of the input layer nodes is precisely the components of the input pattern For successive layers, the input ... node in the previous layer and the next layer The connections carry weights, and the weights are adjusted during training The operation of the network consists of two stages: forward pass and...

11
508
0

Tài liệu A Backpropagation Neural Network for Computer Network Security doc

Ngày tải lên : 14/02/2014, 16:20

... response and the actual response of the network produced by the input signal in accordance with an appropriate statistical criterion The training of the network is repeated for many examples in the ... Recognition and Image Analysis (Advances in Mathematical Theory and Applications), 12: 70-79 15 Li, S and X Zheng, 2002 Cryptanalysis of a chaotic image encryption method Proc IEEE Intl Symp Circuits and ... later, the original message can contain the time and date that the message was created Interestingly, two level of encryption can be used to guarantee that the message is both authentic and private...

6
536
0

Báo cáo khoa học: "Fast Semantic Extraction Using a Novel Neural Network Architecture" docx

Ngày tải lên : 17/03/2014, 04:20

... to the word we want to classify, and to the verb we are interested in This idea is the major novelty in this work, and is crucial for the success of the entire architecture, as we will see in the ... parser to enhance performance, and make comparisons more direct We consider this work as a starting point for different research directions, including the following areas: • Incorporating hand-built ... 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 sentence...

8
302
0

neural network-based face detection

Ngày tải lên : 28/04/2014, 09:58

... CMU and Harvard2 The images contained faces of various sizes, orientations, positions, and intensities The eyes and the center of the upper lip of each face were located manually, and these points ... loop, the network’s weights are initially random After the ﬁrst iteration, we use the weights computed by training in the previous iteration as the starting point for training Run the system on an ... is trained in the manner described above, but with different random initial weights, random initial non-face images, and random permutations of the order of presentation of the scenery images...

11
455
0

rotation invariant neural network-based

Ngày tải lên : 28/04/2014, 09:58

... The design of the router and detector networks and the arbitration scheme are presented in the following subsections 2.1 The Router Network The ﬁrst step in processing a window of the input image ... varies linearly across the window to the intensity values in an oval region inside the window The linear function approximates the overall brightness of each part of the window, and can be subtracted ... of the router, we generated test example images based on the training images, with angles between , and at increments These images were given to the router, and the resulting histogram of angular...

15
452
0

experimental analysis of neural network based feature extractors for

Ngày tải lên : 28/04/2014, 10:10

... rate for the training set was 94.1%, and the test set was 57.1% From the experiments we can observe that increasing the number of training pairs for the AA or the MLP is a good way to increase the ... again minimizing the mean squared error over all patterns in the training set: p Resizing was the first technique used to process the images The resizing process partially employed an existing ... and has been widely used in many fields So the major comparison of work was conducted between the MLP and the AA The results in Table (rows 1, 2) were obtained by training the MLP with 352 hand...

6
285
0

neural network-based handwritten signature

Ngày tải lên : 28/04/2014, 10:11

... calculated for these points using linear regression The baseline consistency is then the square root of the sum of the squares of the distances between the extracted minima and the line The baseline ... between the handwriting and the projection For each projection, the heights of the various intersections are found and the difference in height between the uppermost intersection and the lowermost intersection ... stroke with the straight line being the line-of-best-ﬁt using linear regression This line’s gradient is taken as the handwriting slant (c) shows the same handwriting sample used in (a) and is overlaid...

14
342
0

neural network-based offline handwritten

Ngày tải lên : 28/04/2014, 10:11

... rotation invariant by the rotation of the image The error rejection rate can further be improved by using better techniques for rotation, blurring and thinning Using these algorithm random and simple ... 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 ... notice that the FAR-random curve is lower than the FAR-skilled curve, since in random forgeries the signer has no previous knowledge and/ or training on the signature she/he is forging In a study...

7
262
0

neural network based trajectory planning

Ngày tải lên : 28/04/2014, 10:16

... ) 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 the simulations, the controller gains are chosen ... online to calculate the incremental change in the command values of joint angles, while in the control loop a PD controller is applied to the manipulator The reference trajectory for the joint angles ... 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 of the...

6
298
0

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

... Measures The terms e entropy, uncertainty, and information are used more or less interchangeably and is the measure of information for a given probability density function Minimizing the entropy in ... concentration measure, instantaneous bandwidth, the IF, the side lobe magnitude, and the main lobe magnitude of the nth component at time t = t0 The instantaneous concentration performance of a TFD will ... input and target TFDs for the ANN The ANN may be used to extract mathematical patterns and detect trends in the spectrogram and WVD that are too complex to be noticed by any other technique The...

14
439
0

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

... determine the weights of the MLP in the training process, the validation set helps evaluate progress during training and to determine when to stop training, and the test set is used to assess the ... 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 ... phenomena: the effects of finite word length for the weights of the NN used for the classification, and the effects of the simplification of the activation functions of the NN With these ideas in mind, the...

12
414
0

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

... 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 2.16 Then the unique 1, -periodic t 0} traveling ... traveling wave solution Theorem 5.2 Let α, κ ∈ R with κ / and τ, δ satisfy 2.16 Let λ i,ξ and u i,ξ be defined by 3.2 and 3.4 , respectively Then the following results hold i For any Δ and any ... x for x ∈ R, or, f x x for x ∈ R 2.15 As for the traveling wave solutions, we also have the following reflection invariance result a direct verification is easy and can be found in Advances in...

29
185
0

Báo cáo hóa học: " Neural-Network-Based Time-Delay Estimation Samir Shaltaf" docx

Ngày tải lên : 23/06/2014, 01:20

... half of the input vector length for the parallel input form, hence resulting in a large reduction in the NN size In the training phase, about one thousand data set with the corresponding time-delay ... random generator to have any value in the range of 0.25 to The distorting noise added to the delayed signal is zero-mean Gaussian with standard deviation values chosen randomly by a uniform random ... to the NN as the training input, and the corresponding time delay d as the desired delay output in seconds Since the length of each of the ﬁltered signals is N, the NN for the parallel input form...

8
330
0

neural network based adaptive controller design of robotic manipulators with an observer 88 doc

Ngày tải lên : 27/06/2014, 18:20

... dynamics, the estimated joint angle values and are replaced by actual ones and in the control law (27), and in the learning algorithm (28) Then the adaptive let control algorithm in Theorem becomes the ... Consider the robot dynamics defined in (5) with a control law sgn (31) and the following learning algorithms for the input and the hidden layers are (32) and for the output layer is (33) learning ... uncertainties and the inherent NN approximation errors The magnitude of the sliding control effort is the bound limit value on the NN approximation errors and the unstructured uncertainty In Theorem...

14
409
0

ARTIFICIAL NEURAL NETWORK BASED DSS FOR GAME ONLINE PUBLISHING IN VIETNAM

Ngày tải lên : 24/08/2015, 22:46

... Naruto Online Thu phí • Free to play or Pay to play? • Free to play = Pay to win => Tâm lý thích đồ miễn phí người tiêu dùng Việt Nam Bot tools Thời gian • Game có tiêu tốn nhiều thời gian người ... Game có hỗ trợ tính offline không? Cộng đồng Hệ thống tương tác fanpage – diễn đàn Các hoạt động tương tác trực tiếp: thi đấu, offline… Nhà phát hành Thu thập liệu Từ trang tin game tiếng : playpark.vn, ... dụ : The Elder Scrolls V: Skyrim Gameplay/Features • Hệ thống phó bản, chiến trường, kết hôn, sinh hoạt • Tương tác người chơi, môi trường… Cốt truyện Kiếm hiệp, tiên hiệp, võ hiệp, manga, anime…...

25
339
0

Electricity price time series forecasting in deregulated markets using recurrent neural network based approaches

Ngày tải lên : 09/09/2015, 18:49

... 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 itself for ... marketers) for their own needs Network operator runs transmission system, does planning and scheduling, balances supply and demand through bid -in balancing market, and is responsible for reliability In ... which can be classified into probabilistic and deterministic These include covering methods which detect the regions not containing global minima and exclude them from consideration during learning...

205
449
0

Artificial neural network based adaptive controller for DC motors

Ngày tải lên : 30/09/2015, 14:16

... ANN Structure for System Identification and Control 23 3.2 Off-Line Training for Initial Set of Weights and Biases of the ANN 26 3.3 On-Line Training for Weights and Biases and adaptive leaning ... 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 motor the xPC target facility in the MATLAB® ... of the ANN controller It discusses the off-line and on-line training of the ANN structure and the updating of the weights and biases Chapter Four gives the details of practical implementation in...

80
267
1

Neural network based multiuser detectors for DS CDMA

Ngày tải lên : 26/11/2015, 22:57

... digital information are distinguished by the characteristics that their bandwidth W is much greater than the information bandwidth R The bandwidth expansion of the signal is accomplished by the ... simultaneously over the same channel bandwidth In general, as the performance gain (PG) increases, so does the number of signals that can be accommodated in the system Since all the users transmit ... detectors and investigate and discuss the performance of these detectors in comparison with other sub-optimal detectors 1.5 Contributions of this Thesis In this thesis, we investigate the performance...

111
274
0