Python调用百度API识别车牌号

baidu_ai_indentify_car_number.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

__author__ = "leo"
__time__ = "2018-09-09"

import base64
import requests


def get_token():
    get_token_url = "https://aip.baidubce.com/oauth/2.0/token"
    params = {
        "grant_type": "client_credentials",
        "client_id": "9tCB6nCKK1e3ExUMjrjnOS83",
        "client_secret": "mRwkOwE2NXPeli2ccV15EQaQFYwLRDWo",
    }
    res = requests.get(get_token_url, params).json()
    return res["access_token"]


if __name__ == '__main__':
    access_token = get_token()
    url = "https://aip.baidubce.com/rest/2.0/ocr/v1/license_plate"
    with open("IMG_8018.JPG", mode='rb')as f:
        image = base64.b64encode(f.read())
    # image =
    headers = {
        'Content-Type': 'application/x-www-form-urlencoded'
    }
    data = {
        "access_token": access_token,
        "image": image
    }
    res = requests.post(url, headers=headers, data=data).json()
    if "error_code" in res:
        print(res["error_msg"])
    else:
        words_result = res["words_result"]
        print(words_result["number"])

我也在做这个项目，用opencv，但遇到一些问题，opencv处理过的帧图片我不知道怎么传给百度api