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RSS订阅原创 Tensorflow 图像识别分类
dataset.pyimport numpy as npimport osimport globfrom sklearn.utils import shuffleimport cv2def load_train(train_path,img_size,classes): images=[] labels=[] img_names=[] cls=[...
2018-09-07 21:31:19
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原创 tensorflow saver
# -*- coding: utf-8 -*-"""Created on Thu Sep 6 21:22:31 2018@author: lc"""import tensorflow as tfimport numpy as np#save#remember to define the same dtype and shape when restore#W=tf.Vari...
2018-09-06 21:53:58
157
原创 tensorflow 卷积神经网络
# -*- coding: utf-8 -*-"""Created on Thu Sep 6 16:12:22 2018@author: lc"""import tensorflow as tffrom tensorflow.examples.tutorials.mnist import input_data# number 1 to 10 datamnist=input_d...
2018-09-06 21:10:12
189
原创 Tensorflow drop_out
# -*- coding: utf-8 -*-"""Created on Thu Sep 6 14:44:08 2018@author: lc"""import tensorflow as tffrom sklearn.datasets import load_digitsfrom sklearn.model_selection import train_test_split...
2018-09-06 15:51:14
380
原创 TensorFlow 分类栗子
# -*- coding: utf-8 -*-"""Created on Wed Sep 5 19:53:23 2018@author: lc"""import tensorflow as tffrom tensorflow.examples.tutorials.mnist import input_data#如果没有这个数据集就下载，如果有就运行mnist=input_d...
2018-09-05 20:55:59
163
原创 Tensorboard 2
import tensorflow as tfimport matplotlib.pyplot as pltdef add_layer(inputs,in_size,out_size,n_layer,activation_function=None): layer_name='layer%s'%n_layer with tf.name_scope(layer_name): ...
2018-09-05 17:12:38
313
原创 Tensorboard
import tensorflow as tfimport numpy as npimport matplotlib.pyplot as pltdef add_layer(inputs,in_size,out_size,activation_function=None): with tf.name_scope('layer'): with tf.name_scope...
2018-09-04 21:39:09
165
原创 tensorflow 神经网络
import tensorflow as tfimport numpy as npimport matplotlib.pyplot as pltdef add_layer(inputs,in_size,out_size,activation_function=None): Weights=tf.Variable(tf.random_normal([in_size,out_size]...
2018-09-04 20:10:02
156
原创 tensorflow build a neural network
import tensorflow as tfimport numpy as npdef add_layer(inputs,in_size,out_size,activation_function=None): Weights=tf.Variable(tf.random_normal([in_size,out_size])) biases=tf.Variable(tf.zer...
2018-09-04 19:51:25
345
原创 Tensorflow placeholder
import tensorflow as tfinput1=tf.placeholder(tf.float32)input2=tf.placeholder(tf.float32)output=tf.multiply(input1,input2)with tf.Session() as sess: print(sess.run(output,feed_dict={input1:[7...
2018-09-04 11:49:49
294
原创 Tensorflow 变量与常量
import tensorflow as tfstate=tf.Variable(0,name='counter')#print(state.name)one=tf.constant(1)new_value=tf.add(state,one)update=tf.assign(state,new_value)#must have if have vinit=tf.initialize...
2018-09-04 11:38:10
203
原创 TensorFlow session 的两种打开关闭方式
import tensorflow as tfmatrix1=tf.constant([[3,3]])matrix2=tf.constant([[2],[2]])product=tf.matmul(matrix1,matrix2)##method1#sess=tf.Session()#result=sess.run(product)#print(result)#sess.clos...
2018-09-03 21:41:48
10589
原创 tensorflow 小例子
import tensorflow as tfimport numpy as npx_data=np.random.rand(100).astype(np.float32)y_data =x_data*0.1+0.3#creat tensorflow startWeights=tf.Variable(tf.random_uniform([1],-1.0,1.0))biases=tf...
2018-09-03 21:28:03
278
原创 决策树、随机森林，小例子
import matplotlib.pyplot as pltimport pandas as pdfrom sklearn.datasets.california_housing import fetch_california_housinghousing=fetch_california_housing()print(housing.DESCR)from sklearn impor...
2018-08-27 22:04:06
791
原创 第一篇，不知写啥，就贴代码吧。朴素贝叶斯，垃圾邮件检测。
from spam.spamEmail import spamEmailBayesimport re#spam类对象spam=spamEmailBayes()#保存词频的词典spamDict={}normDict={}testDict={}#保存每封邮件中出现的词wordsList=[]wordsDict={}#保存预测结果,key为文件名，值为预测类别testResult...
2018-08-26 20:46:05
757
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