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    文件類型: .zip
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    發布日期: 2021-03-28
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資源簡介


使用TensorFlow搭建簡單的BP神經網絡的模型,一層輸入層,一層隱藏,一層輸出,最終實現簡單的圖像識別。

資源截圖

代碼片段和文件信息

#------------------------------------------------------------
#??##?forward?spread?algorthim?with?mathmatic
#??##?CopyRight:Jinlun
#-----------------------------------------------------------#
#!-*-coding:utf-8-*-

import?numpy?as?np
import?math
import?matplotlib.pyplot?as?plt
import?matplotlib.animation?as?animation
import?pandas?as?pd
import?cv2

#?A?simple?nerve?layer?and?you?can?use?session?in?tensorflow
#?instead?of?it??and?it?is?more?effiencient


#單個神經層,由一組神經元組成
class?nerve_layer(object):

????#初始化神經元
????def?__init__(selfInvariableNumOutvariableNum):
????????self.nerves?=?np.random.rand(OutvariableNumInvariableNum)
????????self.errors?=?[]
????????self.Out?=?[]
????????self.Var?=?[]

????#設為激活函數存在
????def?sigmoid(selfvec):
????????res?=?[]
????????for?i?in?vec:
????????????t?=?1?/?(1?+?math.exp(-1?*?i))
????????????res.append(t)
????????return?res

????#前向傳播模型
????def?forwardRes(selfInVarible):
????????self.Var?=?InVarible
????????res

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-10-20?21:35??pythonPro\
?????目錄???????????0??2017-10-21?11:54??pythonPro\.idea\
?????文件?????????262??2017-10-14?10:15??pythonPro\.idea\misc.xml
?????文件?????????270??2017-10-14?10:15??pythonPro\.idea\modules.xml
?????文件?????????398??2017-10-14?10:17??pythonPro\.idea\pythonPro.iml
?????文件???????26071??2017-10-21?11:54??pythonPro\.idea\workspace.xml
?????文件??????260224??2017-10-15?20:53??pythonPro\1.jpg
?????文件???????85330??2017-10-15?20:53??pythonPro\2.jpg
?????文件???????45388??2017-10-15?21:11??pythonPro\3.jpg
?????文件???????10466??2017-10-15?21:19??pythonPro\4.jpg
?????文件???????47024??2017-10-20?09:40??pythonPro\5.jpg
?????文件???????28965??2017-10-20?16:09??pythonPro\6.jpg
?????文件???????34852??2017-10-20?16:10??pythonPro\7.jpg
?????文件????????3973??2017-10-15?15:39??pythonPro\forwardSpread.py
?????文件????????3539??2017-10-20?21:35??pythonPro\HOGNernualNetWork.py
?????目錄???????????0??2017-10-21?10:59??pythonPro\log\
?????文件????????1925??2017-10-21?10:59??pythonPro\log\detector.py
?????文件???????59285??2017-10-20?21:13??pythonPro\log\events.out.tfevents.1508505220.HOME-DP1R9UV6T3
?????文件????????2297??2017-10-20?21:18??pythonPro\test.py

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