CNN中ConvID函数
时间: 2024-05-24 20:15:57 浏览: 13
我不太确定你指的是哪个CNN模型的ConvID函数,因为不同的CNN模型有不同的实现方法。但一般来说,ConvID函数是用于计算卷积层输出的函数。在卷积神经网络中,卷积层的输出可以通过卷积操作计算得到,而ConvID函数则是计算卷积操作的函数。
一种常见的ConvID函数实现方式是使用矩阵乘法计算卷积。具体来说,将卷积核和输入数据都转换成矩阵,然后对这两个矩阵进行乘法操作,最终得到卷积层的输出矩阵。在这种实现方式中,ConvID函数的输入参数通常包括输入数据、卷积核、卷积核大小、步长等参数,输出则是卷积层的输出矩阵。
除了矩阵乘法实现卷积外,还有很多其他的卷积实现方式,如Fast Fourier Transform (FFT)、Winograd算法等,它们都有不同的ConvID函数实现方式。
相关问题
import jieba from sklearn.feature_extraction.text import TfidfVectorizer import numpy as np import pandas as pd # 读取停用词文件 def read_stopwords(file_path): with open(file_path, 'r', encoding='gbk') as f: stopwords = [line.strip() for line in f] return set(stopwords) # 中文分词 def chinese_word_cut(text, stopwords): words = jieba.cut(text) result = [] for word in words: if word not in stopwords: result.append(word) return " ".join(result) # 读取CSV文件 weibo_data = pd.read_csv('E:\Python自然语言处理\data\weibo_Convid19.csv', sep='\t') df = weibo_data['text_raw'] # 获取停用词集合 stopwords = read_stopwords('E:\Python自然语言处理\data\stopword.txt') # 对每条微博进行分词和去停用词 corpus_list = df.apply(lambda x: chinese_word_cut(x, stopwords)) # 提取关键词 corpus = ' '.join(corpus_list) tfidf = TfidfVectorizer() tf_key = tfidf.fit_transform([corpus]) word = tfidf.get_feature_names() weight = tf_key.toarray()[0] w_sort = np.argsort(-weight) print('Top 20 keywords:') for i in range(20): print(word[w_sort[i]])结果含有表情包,怎么去除
可以使用正则表达式来去除文本中的表情包,例如:
```
import re
def remove_emoji(text):
emoji_pattern = re.compile("["
u"\U0001F600-\U0001F64F" # emoticons
u"\U0001F300-\U0001F5FF" # symbols & pictographs
u"\U0001F680-\U0001F6FF" # transport & map symbols
u"\U0001F1E0-\U0001F1FF" # flags (iOS)
"]+", flags=re.UNICODE)
return emoji_pattern.sub(r'', text)
# 在 chinese_word_cut 函数中调用 remove_emoji 函数
def chinese_word_cut(text, stopwords):
text = remove_emoji(text)
words = jieba.cut(text)
result = []
for word in words:
if word not in stopwords:
result.append(word)
return " ".join(result)
```
这样就可以在分词前去除文本中的表情包。
vue腾讯云im即时通讯
KakaopayAmt": "",
"IsBlue": "",
"BlueResultNo": "",
"BlueAmt": "",
"IsAsiana": "",
"AsianaResultNo": "",
"AsianaAmt": "",
"IsSmilecard": "",
腾讯云IM提供了适用于 Vue.js 的即时通讯 SDK,可以方便地在 Vue.js 项目中 "SmilecardResultNo": "",
"SmilecardAmt": "",
"IsHanaskcard": "",
"Hanaskcard使用。使用前需要先引入 SDK,并且需要在腾讯云 IM 控制台上创建应用并获取 SDKAppIDResultNo": "",
"HanaskcardAmt": "",
"IsHanaone": "",
"HanaoneResultNo": "",
和密钥信息。
以下是使用腾讯云 IM SDK 在 Vue.js 中实现简单的即时通讯功能的示 "HanaoneAmt": "",
"IsLotte": "",
"LotteResultNo": "",
"LotteAmt":例代码:
```html
<template>
<div>
<div v-for="msg in msgList" :key="msg.time "",
"IsHyundaione": "",
"HyundaioneResultNo": "",
"HyundaioneAmt": "",
"">
<p>{{ msg.sender }}: {{ msg.content }}</p>
<small>{{ msg.time }}</small>
</div>
IsNonghyupone": "",
"NonghyuponeResultNo": "",
"NonghyuponeAmt": "",
<input v-model="inputMsg" @keydown.enter="sendMsg" />
</div>
</template>
<script>
import TIM from ' "IsSamsungone": "",
"SamsungoneResultNo": "",
"SamsungoneAmt": "",
"IsWoorionetim-js-sdk'
export default {
data() {
return {
tim: null,
userID: 'user1',
convID": "",
"WoorioneResultNo": "",
"WoorioneAmt": "",
"IsShinhancardone": "",
: 'conv1',
inputMsg: '',
msgList: []
}
},
mounted() {
this.initIM()
"ShinhancardoneResultNo": "",
"ShinhancardoneAmt": "",
"IsHyundaicardone },
methods: {
initIM() {
this.tim = TIM.create({
SDKAppID: 'xxx', // 替换为": "",
"HyundaicardoneResultNo": "",
"HyundaicardoneAmt": "",
"IsSamsun自己的 SDKAppID
userID: this.userID,
userSig: 'xxx' // 替换为自己的密钥ghappyone": "",
"SamsunghappyoneResultNo": "",
"SamsunghappyoneAmt": "",
信息
})
this.tim.on(TIM.EVENT.MESSAGE_RECEIVED, this.handleMsgReceived)
this.tim.login()
},
sendMsg() "IsNonghyupcardone": "",
"NonghyupcardoneResultNo": "",
"Nonghyupcard {
const msg = this.tim.createTextMessage({
to: this.convID,
payload: {
text: this.inputMsg
}
})
this.tim.sendMessage(msg)
this.msgList.push({
sender: this.userID,
content: this.inputMsg,
oneAmt": "",
"IsHappymoneycardone": "",
"HappymoneycardoneResultNo": "",
" time: new Date().toLocaleString()
})
this.inputMsg = ''
},
handleMsgReceived(event) {
const msgHappymoneycardoneAmt": "",
"IsCulturesurvivalone": "",
"CulturesurvivaloneResult = event.data[0]
this.msgList.push({
sender: msg.from,
content: msg.payload.text,
time: newNo": "",
"CulturesurvivaloneAmt": "",
"IsDongaone": "",
"DongaoneResultNo Date(msg.time * 1000).toLocaleString()
})
}
}
}
</script>
```
这个示例中,": "",
"DongaoneAmt": "",
"IsGmarketone": "",
"GmarketoneResultNo": "",
我们使用了 tim-js-sdk 库来操作腾讯云 IM,通过创建 TIM 实例来进行登录、发送消息、接收消息 "GmarketoneAmt": "",
"IsEtcCardone": "",
"EtcCardoneResultNo": "",
"EtcCardoneAmt": "",
"IsBlueone": "",
"BlueoneResultNo": "",
"BlueoneAmt": "",
等操作。在模板中,我们使用 v-for 指令来展示消息列表,并通过 v-model 指令来实现输入框的双向绑定,通过 @keydown.enter 事件监听来发送消息。
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