Use Python to realize Baidu AI interface docking, making your program smarter

Baidu AI interface provides a wealth of artificial intelligence services, including image recognition, text recognition, speech recognition and other functions. By connecting these interfaces, we can make our programs more intelligent. This article will take Python as an example to introduce how to use Baidu AI interface to implement some common functions.

First, we need to register an account on Baidu AI Open Platform and create an application. When creating an application, we should pay attention to obtaining our API Key and Secret Key, which will be used in subsequent codes.

1. Image recognition

The image recognition function of Baidu AI interface can recognize objects, scenes, text and other information in the picture. Here is a sample code using the image recognition interface:

import requests
import base64

# 获取API Key和Secret Key
API_KEY = 'your_api_key'
SECRET_KEY = 'your_secret_key'

# 图像识别接口
def image_recognition(image_path):
    # 读取图片
    with open(image_path, 'rb') as f:
        image = base64.b64encode(f.read()).decode('utf-8')
    # 构造请求参数
    params = {
        'image': image,
        'access_token': get_access_token()
    }
    # 发送请求
    response = requests.post('https://aip.baidubce.com/rest/2.0/image-classify/v2/advanced_general', data=params)
    # 解析响应结果
    result = response.json()
    if 'error_code' in result:
        print('Error: {}'.format(result['error_msg']))
    else:
        for item in result['result']:
            print('识别结果：{}'.format(item['keyword']))

# 获取访问令牌
def get_access_token():
    # 构造请求参数
    params = {
        'grant_type': 'client_credentials',
        'client_id': API_KEY,
        'client_secret': SECRET_KEY
    }
    # 发送请求
    response = requests.post('https://aip.baidubce.com/oauth/2.0/token', data=params)
    # 解析响应结果
    result = response.json()
    return result['access_token']

# 测试
image_recognition('test.jpg')

In the above code, we first define a image_recognitionfunction that receives an image path as an input parameter. Inside the function, we first read the image and convert it to a Base64 encoded string. Then, we construct a dictionary containing parameters such as pictures and access tokens, and send Post requests to the image recognition interface. The result returned by the interface is a JSON object containing the recognition result, which we can extract and print to view the recognition result.

Additionally, we define a get_access_tokenfunction for getting an access token. This function sends a request to the API server, gets an access token, and returns it.

2. Text recognition

The text recognition function of Baidu AI interface can recognize text information in pictures. The following is a sample code using the text recognition interface:

import requests
import base64

# 获取API Key和Secret Key
API_KEY = 'your_api_key'
SECRET_KEY = 'your_secret_key'

# 文字识别接口
def ocr(image_path):
    # 读取图片
    with open(image_path, 'rb') as f:
        image = base64.b64encode(f.read()).decode('utf-8')
    # 构造请求参数
    params = {
        'image': image,
        'access_token': get_access_token()
    }
    # 发送请求
    response = requests.post('https://aip.baidubce.com/rest/2.0/ocr/v1/general_basic', data=params)
    # 解析响应结果
    result = response.json()
    if 'error_code' in result:
        print('Error: {}'.format(result['error_msg']))
    else:
        for item in result['words_result']:
            print('识别结果：{}'.format(item['words']))

# 获取访问令牌
def get_access_token():
    # 构造请求参数
    par
    ...

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Use Python to realize Baidu AI interface docking, making your program smarter

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