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RSS订阅原创 Tensorflow 图像识别分类
dataset.py import numpy as np import os import glob from sklearn.utils import shuffle import cv2 def 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 tf import numpy as np #save #remember to define the same dtype and shape when restore #W=tf.Vari...
2018-09-06 21:53:58
192
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 tf from tensorflow.examples.tutorials.mnist import input_data # number 1 to 10 data mnist=input_d...
2018-09-06 21:10:12
239
原创 Tensorflow drop_out
# -*- coding: utf-8 -*- """ Created on Thu Sep 6 14:44:08 2018 @author: lc """ import tensorflow as tf from sklearn.datasets import load_digits from sklearn.model_selection import train_test_split ...
2018-09-06 15:51:14
403
原创 TensorFlow 分类栗子
# -*- coding: utf-8 -*- """ Created on Wed Sep 5 19:53:23 2018 @author: lc """ import tensorflow as tf from 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
185
原创 Tensorboard 2
import tensorflow as tf import matplotlib.pyplot as plt def 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
355
原创 Tensorboard
import tensorflow as tf import numpy as np import matplotlib.pyplot as plt def 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
186
原创 tensorflow 神经网络
import tensorflow as tf import numpy as np import matplotlib.pyplot as plt def 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
183
原创 tensorflow build a neural network
import tensorflow as tf import numpy as np def 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
375
原创 Tensorflow placeholder
import tensorflow as tf input1=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
324
原创 Tensorflow 变量与常量
import tensorflow as tf state=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 v init=tf.initialize...
2018-09-04 11:38:10
227
原创 TensorFlow session 的两种打开关闭方式
import tensorflow as tf matrix1=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
10628
原创 tensorflow 小例子
import tensorflow as tf import numpy as np x_data=np.random.rand(100).astype(np.float32) y_data =x_data*0.1+0.3 #creat tensorflow start Weights=tf.Variable(tf.random_uniform([1],-1.0,1.0)) biases=tf...
2018-09-03 21:28:03
311
原创 决策树、随机森林，小例子
import matplotlib.pyplot as plt import pandas as pd from sklearn.datasets.california_housing import fetch_california_housing housing=fetch_california_housing() print(housing.DESCR) from sklearn impor...
2018-08-27 22:04:06
843
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 spamEmailBayes import 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
796
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