在C#中识别图像内的图像

using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Threading.Tasks;

public static async Task<string> AnalyzeImage(string imageUrl)
{
    // Create a HttpClient client
    HttpClient client = new HttpClient();

    // Set the endpoint URL
    string uri = "https://your-endpoint.cognitiveservices.azure.com/vision/v3.2/analyze?visualFeatures=Objects";

    // Set the API key and content type
    client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "your-api-key");
    client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

    // Create the request body
    string requestBody = "{\"url\":\"" + imageUrl + "\"}";

    // Send the request and get the response
    HttpResponseMessage response = await client.PostAsync(uri, new StringContent(requestBody));
    string responseBody = await response.Content.ReadAsStringAsync();

    // Return the response body
    return responseBody;
}