# encoding:utf-8 # !/usr/local/bin/python3# 百度云：文字識別服務 # 應用名稱：文字識別練習項目import urllib3 from urllib.parse import urlencode import urllib import urllib.request import sys import ssl import base64 import json''' # 調用API前必須獲取Access Token # client_id 為官網獲取的AK， client_secret 為官網獲取的SK # access_token： 要獲取的Access Token； # expires_in： Access Token的有效期(秒為單位，一般為1個月)； ''' APPId = 17165172 ApiKey = 'uck9A45flml7ITBQ8VaLUojf' SecretKey = 'p19Nl1Rz1DGGMKepK3lNDWk8TogqankG' host = 'https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id='+ApiKey+'&client_secret='+SecretKey request = urllib.request.Request(host) request.add_header('Content-Type', 'application/json; charset=UTF-8') response = urllib.request.urlopen(request) content = response.read() if (content):#print(content) # 打印獲取到的信息# 通過decode將bytes字節串轉換為字符串strcontent = content.decode('utf-8')contentDict = json.loads(content) # 借助json函數將str轉換為dictrefresh_token = contentDict["refresh_token"] # 直接讀取dict字典內需要的數據expires_in = contentDict["expires_in"]session_key = contentDict["session_key"]access_token = contentDict["access_token"]scope = contentDict["scope"]session_secret = contentDict["session_secret"]#print(access_token)''' 手寫文字識別 # 所有圖片均需要base64編碼、去掉編碼頭后再進行urlencode。 ''' request_url = "https://aip.baidubce.com/rest/2.0/ocr/v1/handwriting" #手寫文字識別接口 imagePath = '/Users/zhaojichao/Desktop/ocrtest.jpg' # 測試100001 f = open(imagePath, 'rb') # img為bytes類型 img = base64.b64encode(f.read()) # img為str類型 img = img.decode('utf-8') params = {"image": img}#"recognize_granularity": "BASE64",#"words_type": "16_219"} # 對base64數據進行urlencode處理編碼之后格式為str params = urllib.parse.urlencode(params) # str轉為可以提交的bytes params = params.encode('utf-8') access_token = access_token request_url = request_url + "?access_token=" + access_token request = urllib.request.Request(url=request_url, data=params) request.add_header('Content-Type', 'application/x-www-form-urlencoded') response = urllib.request.urlopen(request) content = response.read() if content:# 返回數據為bytes，需要轉換為strcontent = content.decode('utf-8')print(content)

總結

以上是生活随笔為你收集整理的【Python】调用百度云API文字识别服务 OCR的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。