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0-Background
This paper introduces the deep convolution neural network based on residual network, residual Networks (resnets).Theoretically, the more neural network layers, the more complex model functions can be represented. CNN can extract the features of low/mid/high-lev
Talk about how to train a well-performing deep neural networkDeep learning fires, the state of the art of each data set is constantly refreshed, to the release of open source code, there is a universal can brush ranking rhythm.But do not think of the brush data so simple, otherwise we go to which hair paper, how bread where eat = = but I do not want to send paper want to occupy the pit brush data How to do,
not only be one-dimensional, but also can be multidimensional. The section is detailed as follows: BP Neural Network and MATLAB implementation
And the train function comes out is the training network Net,matlab out of the net is a structure of data, which includes all the information of the network (train
, including the number of neurons in the hidden layer of the layer. Trainfcn: Training Algorithm
function net = network_train(train_data,train_label )% 输入:训练图像特征和label。输出:训练好的神经网络% BP网络训练% 初始化网络结构layer=25;net=newff(train_data,train_label,layer);net.trainParam.epochs=1;net.trainParam.lr=0.1;net.trainParam.goal=0.001;net.trainFcn=‘trainrp‘;% 网络训练net=train(net,train_data,train_label);end
function out = network_test(test_data,net)%% BP网络预测an=sim(net,test_data);for i=1:length(test_data) out(i)
Reprint: http://www.cnblogs.com/jzhlin/archive/2012/07/30/bp_c.html
In the last article, we introduce the basic model of BP neural network, some terms in the model and the mathematical analysis of the model, and have a preliminary understanding of its principle. Then how to use the program language to specifically implement it, will be the next issue we need to discuss. This paper chooses the C language to
formula to update the weights, after the update of the new weights will be iterated to calculate the network output error, and then the reverse transmission of the error, update the weight, so it can continue.The following is the pseudo code of the algorithm (just the structure of the two-layer network, multilayer words have to increase the cycle):This has been
Preface This article first introduces the build model, and then focuses on the generation of the generative Models in the build-up model (generative Adversarial Network) research and development. According to Gan main thesis, gan applied paper and gan related papers, the author sorted out 45 papers in recent two years, focused on combing the links and differences between the main papers, and revealing the research context of the generative antagoni
Pybrain is a well-known Python neural network library, today I used it to do an experiment, referring to this blog, thanks to the original author, gave a specific implementation, the code can be directly copied to run.Our main problems are as follows:First we give a function to construct the dataset that is required to generate this problem .
Def generate_data (
This paper study notes is their own understanding, if there are errors in the place, please correct criticism, common progress, thank you!Before the evaluation of teaching quality, only through the simple processing of teaching indicators, such as averaging or artificially given the weights of the indicators to sum weighted, the evaluation results with a great deal of subjectivity. Based on the BP neural network
loss turn off dropout and other stochastic mechanisms, the dropout additional detection of high dimensional data detection part of the dimension can be Sanity check randomization data to see if loss's calculations match the expected enhanced regular, and see if loss is increasing as expected to see if the algorithm can fit other check on a small dataset The update size is more appropriate than the size of
latter two categories are regarded as the 2nd category), then the data according to the characteristics: petal length and width do classification.
Run the following code:
#感知器训练结果:
a
W
Iris1
D
E
P
max
Eps
i
repeat{
v
Y
e
Eps[i+1]
if (eps[i+1]
Print ("Finish:");
Print (w);
Break
}
w
i
if (I>max) {
Print ("Max time Loop");
Print (Eps[i])
print (y);
Break
}
}
#绘图程序
Plot (Petal.length~petal.width,xlim=c (0,3), Ylim=c (0,8),
data=iris[iris$species== "Virg
end up with verification code identification. In this middle, I need to have a project of my own to fill the blanks. What I chose here is the demand for "image search". This requirement is more common in reality. Before the idea can only be similar to the handwriting recognition, through the acquisition of projection features, distance calculation and so on. Now, because of the initial study of convolutional neur
This article is "Attention-over-attention neural Networks for Reading comprehension" reading notes. The task to be dealt with in this paper is to read and understand the cloze problem. Its model architecture is built on the "Text Understanding with the Attention Sum Reader Network", the thesis is supreme. Firstly, this paper puts forward the task of using attention for cloze, and this paper adds an addition
convolutional Neural Network Primer (1)
Original address : http://blog.csdn.net/hjimce/article/details/47323463
Author : HJIMCE
convolutional Neural Network algorithm is an n-year-old algorithm, only in recent years because of deep learning related algorithms for the training of multi-layered networks to provide a new
Sample program Download: Http://files.cnblogs.com/gpcuster/ANN3.rarIf you have questions, please refer to the FAQIf you do not find a satisfactory answer, you can leave a message below:)0 CatalogueIntroduction to Artificial neural network (1)--application of single-layer artificial neural networkIntroduction to Artificial neu
Open source Artificial Neural Network Computing Library FANN Learning Note 1These days machine learning is very fire, neural network is the machine learning algorithm is a more important one. This time I also took some effort, learned a little fur, by the way to do some study notes.There are many textbooks about the ba
shift (changes in the distribution of neurons in the interior). bn thesis points out that the traditional deep neural network training, each layer of the input distribution is changing, resulting in training is difficult, we can only use a very small learning rate to solve the problem. And for each layer using bn, we can effectively solve this problem, the learning rate can be increased many times, the acc
, we can directly use the full connection of the neural network, to carry out the follow-up of these 120 neurons, the following specific how to do, as long as the knowledge of multi-layer sensors understand, do not explain.
The above structure, is only a reference, in the real use, each layer feature map needs how many, volume kernel size selection, as well as the pool when the sample rate to how much, and
this uses TensorFlow to implement a simple convolution neural network using mnist datasets. The network structure is: Data input layer – convolution layer-----------------------------------------------------------
Import TensorFlow as TF import numpy as NP import input_data mnist = input_data.read_data_sets (' data/', one_hot=true) pri NT ("Mnist ready") Sess =
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