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HomeBackend DevelopmentGolangIn-depth study of Golang and Baidu AI interface docking: mastering face recognition technology

In-depth study of Golang and Baidu AI interface docking: mastering face recognition technology

In-depth study of Golang and Baidu AI interface docking: mastering face recognition technology

Face recognition technology is one of the important applications in the field of artificial intelligence. It is used in security, Face payment, access control management and other fields have a wide range of applications. The Baidu AI platform provides a series of powerful face recognition interfaces to facilitate developers to quickly build face recognition applications. This article will introduce how to use Golang to connect with Baidu AI interface, and provide some code examples.

First, we need to register a Baidu AI platform account and create a face recognition application. After creating the application, we will get a pair of API Key and Secret Key, which are our credentials for communicating with Baidu AI interface.

Next, we need to install the Golang development environment. Golang is a simple and efficient programming language with strong concurrency capabilities and rich third-party library support. It is very suitable for the development of tasks such as face recognition.

After the installation is complete, we can start writing code. First, we need to choose an HTTP request library to send the request. In Golang, commonly used HTTP request libraries include net/http and go-resty. Take go-resty as an example:

package main

import (
    "fmt"
    "github.com/go-resty/resty/v2"
)

func main() {
    client := resty.New()

    apiKey := "your-api-key"
    secretKey := "your-secret-key"

    url := "https://aip.baidubce.com/oauth/2.0/token"
    resp, err := client.R().
        SetQueryParams(map[string]string{
            "grant_type":    "client_credentials",
            "client_id":     apiKey,
            "client_secret": secretKey,
        }).
        Get(url)

    if err != nil {
        fmt.Println("请求错误:", err)
        return
    }

    fmt.Println(resp.String())
}

In this code, we send a GET request to https through the go-resty library: //aip.baidubce.com/oauth/2.0/token interface, the request parameters include three fields: grant_type, client_id and client_secret.

Next, we can use the face recognition interface of Baidu AI platform for face detection. Take the face detection interface as an example:

func main() {
    client := resty.New()

    apiKey := "your-api-key"
    secretKey := "your-secret-key"

    accessToken, err := getAccessToken(client, apiKey, secretKey)
    if err != nil {
        fmt.Println("获取access token错误:", err)
        return
    }

    url := "https://aip.baidubce.com/rest/2.0/face/v3/detect"
    resp, err := client.R().
        SetQueryParams(map[string]string{
            "access_token": accessToken,
        }).
        SetHeader("Content-Type", "application/json").
        SetBody(`{
            "image": "图片Base64编码",
            "image_type": "BASE64",
            "face_field": "age,beauty,gender",
            "max_face_num": 10
        }`).
        Post(url)

    if err != nil {
        fmt.Println("请求错误:", err)
        return
    }

    fmt.Println(resp.String())
}

In this code, we first call the previously written getAccessToken function to obtain the access token and pass it as a request parameter to face detection interface. We also set the Content-Type of the request header to application/json, and set the parameters in the request body, including the Base64 encoding, image type, and content of the image to be detected. Obtained face attributes and maximum number of faces.

Above, we have completed the docking of Golang and Baidu AI interface, and can use Golang to develop face recognition applications. Of course, face recognition technology is very large and complex. This article only provides an entry-level example, and readers can conduct more detailed development based on actual needs.

To summarize, this article introduces how to use Golang and Baidu AI interface to connect face recognition technology, and provides some code examples. We hope that readers can further master face recognition technology through the guidance of this article and exert its value in practical applications.

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