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用python編寫的,基于tensorflow深度學習的框架的手寫數字識別的完整代碼,有注釋,可運行,無bug

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代碼片段和文件信息

#coding:utf-8

import?tensorflow?as?tf
import?numpy?as?np
from?PIL?import?Image
import?mnist_backward
import?mnist_forward

def?restore_model(testPicArr):
????with?tf.Graph().as_default()?as?tg:
????????x?=?tf.placeholder(tf.float32[None?mnist_forward.INPUT_NODE])
????????y?=?mnist_forward.forward(xNone)
????????preValue?=?tf.argmax(y1)

????????#實例化帶有滑動平均值得saver
????????variable_averages?=?tf.train.ExponentialMovingAverage(mnist_backward.MOVING_AVERAGE_DECAY)
????????variables_to_restore?=?variable_averages.variables_to_restore()
????????saver?=?tf.train.Saver(variables_to_restore)

????????with?tf.Session()?as?sess:
????????????ckpt?=?tf.train.get_checkpoint_state(mnist_backward.MODEL_SAVE_PATH)
????????????if?ckpt?and?ckpt.model_checkpoint_path:
????????????????saver.restore(sess?ckpt.model_checkpoint_path)

????????????????preValue?=?sess.run(preValue?feed_dict={x:testPicArr})
????????????????return?preValue
????????????else:
????????????????print(“No?checkpoint?file?found“)
????????????????return?-1


def?pre_pic(picName):
????img?=?Image.open(picName)
????#用消除鋸齒的方法將圖片改為28*28像素
????reIm?=?img.resize((2828)Image.ANTIALIAS)
????#利用reIm.convert(‘L‘)變成灰度圖
????im_arr?=?np.array(reIm.convert(‘L‘))
????threshold?=70

#?=============================================================================
#?????for?i?in?range(28):
#?????????for?j?in?range(28):
#?????????????im_arr[i][j]?=?255?-?im_arr[i][j]
#?????????????print(“?“im_arr[i][j]end=““)
#?????????print(“\n“end=““)
#?=============================================================================
????????
????#要改為黑底白字
????for?i?in?range(28):
????????for?j?in?range(28):
????????????im_arr[i][j]?=?255?-?im_arr[i][j]
????????????if?im_arr[i][j]?????????????????im_arr[i][j]=0
????????????else:
????????????????im_arr[i][j]?=?1

????for?i?in?range(28):
????????for?j?in?range(28):
????????????print(“?“im_arr[i][j]end=““)
????????print(“\n“end=““)
#?=============================================================================
#?????for?i?in?range(28):
#?????????for?j?in?range(28):
#?????????????print(“?“im_arr[i][j]end=““)
#?????????print(“\n“end=““)
#?=============================================================================
????????
????????
????nm_arr?=?im_arr.reshape([1784])
????#改為浮點型
????nm_arr?=?nm_arr.astype(np.float32)
????#把數據變為0到255之間
????#img_ready?=?np.multiply(nm_arr?1.0/255.0)
????img_ready?=?nm_arr

????return?img_ready

def?application():
????testNum=?input(“輸入測試圖片數:“)
????testNum?=?int(testNum)
????for?i?in?range(testNum):
????????testPic?=?input(“輸入圖片的路徑:“)
????????testPicArr?=?pre_pic(testPic)
????????preValue?=?restore_model(testPicArr)
????????print(“智慧的我預測數字為:“preValue)

def?main():
????application()

if?__name__?==?‘__main__‘:
????main()
????????





















?????????????????????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-01-16?17:11??__pycache__\
?????文件????????2159??2018-08-23?09:54??__pycache__\mnist_backward.cpython-36.pyc
?????文件?????????943??2018-08-21?22:22??__pycache__\mnist_forward.cpython-36.pyc
?????目錄???????????0??2019-01-16?17:11??data\
?????文件?????1648877??2018-08-22?12:15??data\t10k-images-idx3-ubyte.gz
?????文件????????4542??2018-08-22?12:15??data\t10k-labels-idx1-ubyte.gz
?????文件?????9912422??2018-08-22?12:15??data\train-images-idx3-ubyte.gz
?????文件???????28881??2018-08-22?12:15??data\train-labels-idx1-ubyte.gz
?????文件????????3114??2018-08-30?11:39??mnist_app.py
?????文件????????2461??2018-08-22?14:52??mnist_backward.py
?????文件?????????732??2018-08-21?22:22??mnist_forward.py
?????文件????????1933??2018-08-23?10:09??mnist_test.py
?????目錄???????????0??2019-01-16?17:11??model\
?????文件?????????235??2018-09-09?00:07??model\checkpoint
?????文件?????3180084??2018-08-23?10:02??model\mnist_model-45001.data-00000-of-00001
?????文件?????????447??2018-08-23?10:02??model\mnist_model-45001.index
?????文件???????59483??2018-08-23?10:02??model\mnist_model-45001.meta
?????文件?????3180084??2018-08-23?10:02??model\mnist_model-46001.data-00000-of-00001
?????文件?????????447??2018-08-23?10:02??model\mnist_model-46001.index
?????文件???????59483??2018-08-23?10:02??model\mnist_model-46001.meta
?????文件?????3180084??2018-08-23?10:02??model\mnist_model-47001.data-00000-of-00001
?????文件?????????447??2018-08-23?10:02??model\mnist_model-47001.index
?????文件???????59483??2018-08-23?10:02??model\mnist_model-47001.meta
?????文件?????3180084??2018-08-23?10:02??model\mnist_model-48001.data-00000-of-00001
?????文件?????????447??2018-08-23?10:02??model\mnist_model-48001.index
?????文件???????59483??2018-08-23?10:02??model\mnist_model-48001.meta
?????文件?????3180084??2018-08-23?10:03??model\mnist_model-49001.data-00000-of-00001
?????文件?????????447??2018-08-23?10:03??model\mnist_model-49001.index
?????文件???????59483??2018-08-23?10:03??model\mnist_model-49001.meta
?????文件?????3180084??2018-09-09?00:06??model\mnist_model-49002.data-00000-of-00001
?????文件?????????447??2018-09-09?00:06??model\mnist_model-49002.index
............此處省略27個文件信息

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