文件名称:
基于深度自编码（DBN）的手写体识别代码实现
开发工具:
文件大小: 44mb
下载次数: 0
上传时间: 2015-03-30
详细说明： Code provided by Ruslan Salakhutdinov and Geoff Hinton Permission is granted for anyone to copy, use, modify, or distribute this program and accompanying programs and documents for any purpose, provided this copyright notice is retained and prominently displayed, along with a note saying that the original programs are available from our web page. The programs and documents are distributed without any warranty, express or implied. As the programs were written for research purposes only, they have not been tested to the degree th at would be advisable in any important application. All use of these programs is entirely at the user's own risk. How to make it work: 1. Create a separate directory and download all these files into the same directory 2. Download from http://yann.lecun.com/exdb/mnist the following 4 files: o train-images-idx3-ubyte.gz o train-labels-idx1-ubyte.gz o t10k-images-idx3-ubyte.gz o t10k-labels-idx1-ubyte.gz 3. Unzip these 4 files by executing: o gunzip train-images-idx3-ubyte.gz o gunzip train-labels-idx1-ubyte.gz o gunzip t10k-images-idx3-ubyte.gz o gunzip t10k-labels-idx1-ubyte.gz If unzipping with WinZip, make sure the file names have not been changed by Winzip. 4. Download Conjugate Gradient code minimize.m 5. Download Autoencoder_Code.tar which contains 13 files OR download each of the following 13 files separately for training an autoencoder and a classification model: o mnistdeepauto.m Main file for training deep autoencoder o mnistclassify.m Main file for training classification model o converter.m Converts raw MNIST digits into matlab format o rbm.m Training RBM with binary hidden and binary visible units o rbmhidlinear.m Training RBM with Gaussian hidden and binary visible units o backprop.m Backpropagation for fine-tuning an autoencoder o backpropclassify.m Backpropagation for classification using "encoder" network o CG_MNIST.m Conjugate Gradient optimization for fine-tuning an autoencoder o CG_CLASSIFY_INIT.m Conjugate Gradient optimization for classification (training top-layer weights while holding low-level weights fixed) o CG_CLASSIFY.m Conjugate Gradient optimization for classification (training all weights) o makebatches.m Creates minibatches for RBM training o mnistdisp.m Displays progress during fine-tuning stage o README.txt 6. For training a deep autoencoder run mnistdeepauto.m in matlab. 7. For training a classification model run mnistclassify.m in matlab. 8. Make sure you have enough space to store the entire MNIST dataset on your disk. You can also set various parameters in the code, such as maximum number of epochs, learning rates, network architecture, etc. ...展开收缩
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