Element Recognition

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This document provides sample code for Element Recognition in various programming languages and for common scenarios.

Note
  • For real-time assistance, start an online consultation.

  • If you have questions about API access or usage for the Alibaba Cloud Vision AI Platform, join our DingTalk group (ID: 23109592) to contact us.

Feature overview

For a feature overview and detailed parameter descriptions of Element Recognition, see Element Recognition.

SDK installation

For information about the SDK package dependencies for common programming languages, see SDK overview.

Configure environment variables

Configure the ALIBABA_CLOUD_ACCESS_KEY_ID and ALIBABA_CLOUD_ACCESS_KEY_SECRET environment variables.

Important
  • An Alibaba Cloud account has full access to all API operations. We recommend that you use a RAM user for API calls or routine O&M. For more information, see Create a RAM user.

  • Do not save your AccessKey ID or AccessKey Secret in project code. Otherwise, the AccessKey pair may be leaked and the security of all resources in your account may be compromised.

  • Configure environment variables on Linux and macOS

    1. Open a terminal in IntelliJ IDEA.

    2. Run the following commands to configure the environment variables.

      Replace <access_key_id> with the AccessKey ID of your RAM user and <access_key_secret> with the AccessKey Secret of your RAM user. If you need to configure more permissions, see Control access permissions using a RAM policy.

      export ALIBABA_CLOUD_ACCESS_KEY_ID=<access_key_id>
      export ALIBABA_CLOUD_ACCESS_KEY_SECRET=<access_key_secret>
  • Configure environment variables on Windows

    Create a new environment variable file, add the environment variables ALIBABA_CLOUD_ACCESS_KEY_ID and ALIBABA_CLOUD_ACCESS_KEY_SECRET, and set them to the AccessKey ID and AccessKey Secret that you have prepared. Then, restart the Windows operating system. The following example uses Windows 10.

    1. Open File Explorer, right-click This PC, and then select Properties.

    2. In the left-side navigation pane, click Advanced system settings.

    3. On the Advanced tab of the System Properties dialog box, click Environment Variables.

    4. In the Environment Variables dialog box, click New.

    5. In the New System Variable dialog box, add the environment variables ALIBABA_CLOUD_ACCESS_KEY_ID and ALIBABA_CLOUD_ACCESS_KEY_SECRET, and set them to the AccessKey ID and AccessKey Secret that you have prepared.

    6. Restart the Windows operating system for the configurations to take effect.

Sample code

File in OSS (Shanghai)

/*
<!-- https://mvnrepository.com/artifact/com.aliyun/imagerecog20190930 -->
<dependency>
    <groupId>com.aliyun</groupId>
    <artifactId>imagerecog20190930</artifactId>
    <version>${aliyun.imagerecog.version}</version>
</dependency>
*/

import com.aliyun.imagerecog20190930.models.DetectImageElementsResponse;
import com.aliyun.tea.TeaException;
import com.aliyun.tea.TeaModel;

public class DetectImageElements {
    public static com.aliyun.imagerecog20190930.Client createClient(String accessKeyId, String accessKeySecret) throws Exception {
        /*
          Initializes the configuration object, com.aliyun.teaopenapi.models.Config, to store configurations such as your AccessKey ID, AccessKey Secret, and endpoint.
         */
         com.aliyun.teaopenapi.models.Config config = new com.aliyun.teaopenapi.models.Config()
                .setAccessKeyId(accessKeyId)
                .setAccessKeySecret(accessKeySecret);
        // Specify the service endpoint.
        config.endpoint = "imagerecog.cn-shanghai.aliyuncs.com";
        return new com.aliyun.imagerecog20190930.Client(config);
    }

    public static void main(String[] args_) throws Exception {
        // For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
        // If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
        // Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code.
        String accessKeyId = System.getenv("ALIBABA_CLOUD_ACCESS_KEY_ID");
        String accessKeySecret = System.getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET"); 
        com.aliyun.imagerecog20190930.Client client = DetectImageElements.createClient(accessKeyId, accessKeySecret);
        com.aliyun.imagerecog20190930.models.DetectImageElementsRequest detectImageElementsRequest = new com.aliyun.imagerecog20190930.models.DetectImageElementsRequest()
                .setUrl("http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg");
        com.aliyun.teautil.models.RuntimeOptions runtime = new com.aliyun.teautil.models.RuntimeOptions();
        try {
            DetectImageElementsResponse detectImageElementsResponse = client.detectImageElementsWithOptions(detectImageElementsRequest, runtime);
            // Get the complete response.
            System.out.println(com.aliyun.teautil.Common.toJSONString(TeaModel.buildMap(detectImageElementsResponse)));
            // Get a specific field from the response.
            System.out.println(detectImageElementsResponse.getBody());
        } catch (TeaException teaException) {
            // Get the complete error message.
            System.out.println(com.aliyun.teautil.Common.toJSONString(teaException));
            // Get a specific field from the error message.
            System.out.println(teaException.getCode());
        }
    }
}
# -*- coding: utf-8 -*-
# Import dependencies.
# pip install alibabacloud_imagerecog20190930

import os
from alibabacloud_imagerecog20190930.client import Client
from alibabacloud_imagerecog20190930.models import DetectImageElementsRequest
from alibabacloud_tea_openapi.models import Config
from alibabacloud_tea_util.models import RuntimeOptions

config = Config(
  # For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
  # If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
  # Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code.
  access_key_id=os.environ.get('ALIBABA_CLOUD_ACCESS_KEY_ID'),
  access_key_secret=os.environ.get('ALIBABA_CLOUD_ACCESS_KEY_SECRET'),
  # Specify the service endpoint.
  endpoint='imagerecog.cn-shanghai.aliyuncs.com',
  # The region ID of the endpoint.
  region_id='cn-shanghai'
)
detect_image_elements_request = DetectImageElementsRequest(
   url='http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg'
)
runtime = RuntimeOptions()
try:
  # Initialize the client.
  client = Client(config)
  response = client.detect_image_elements_with_options(detect_image_elements_request, runtime)
  # Get the complete response.
  print(response.body)
except Exception as error:
  # Get the complete error message.
  print(error)
  # Get a specific field from the error message.
  print(error.code)
<?php

// Install dependencies.
// composer require alibabacloud/imagerecog-20190930

use AlibabaCloud\SDK\Imagerecog\V20190930\Imagerecog;
use \Exception;
use AlibabaCloud\Tea\Utils\Utils;
use Darabonba\OpenApi\Models\Config;
use AlibabaCloud\SDK\Imagerecog\V20190930\Models\DetectImageElementsRequest;
use AlibabaCloud\Tea\Utils\Utils\RuntimeOptions;

class DetectImageElements {

    /**
     * Use an AccessKey pair (AccessKey ID and AccessKey Secret) to initialize the client.
     * @param string $accessKeyId
     * @param string $accessKeySecret
     * @return Imagerecog Client
     */
    public static function createClient($accessKeyId, $accessKeySecret){
        // Initializes the configuration object, Darabonba\OpenApi\Models\Config, to store configurations such as your AccessKey ID, AccessKey Secret, and endpoint.
        $config = new Config([
            "accessKeyId" => $accessKeyId,
            "accessKeySecret" => $accessKeySecret
        ]);
        // Specify the service endpoint.
        $config->endpoint = "imagerecog.cn-shanghai.aliyuncs.com";
        return new Imagerecog($config);
    }

    /**
     * @param string[] $args
     * @return void
     */
    public static function main($args){
        // For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
        // If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
        // Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code.    
        $accessKeyId = getenv('ALIBABA_CLOUD_ACCESS_KEY_ID');      
        $accessKeySecret = getenv('ALIBABA_CLOUD_ACCESS_KEY_SECRET');
        $client = self::createClient($accessKeyId, $accessKeySecret);
        $detectImageElementsRequest = new DetectImageElementsRequest([
            "url" => "http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg"
        ]);
        $runtime = new RuntimeOptions([]);
        try {
            $resp = $client->detectImageElementsWithOptions($detectImageElementsRequest, $runtime);
            # Get the complete response.
            echo Utils::toJSONString($resp->body);
        } catch (Exception $exception) {
            # Get the complete error message.
            echo Utils::toJSONString($exception);
            # Get a specific field from the error message.
            echo $exception->getCode();
        }
    }
}
$path = __DIR__ . \DIRECTORY_SEPARATOR . '..' . \DIRECTORY_SEPARATOR . 'vendor' . \DIRECTORY_SEPARATOR . 'autoload.php';
if (file_exists($path)) {
    require_once $path;
}
// The $argv array is reserved for input parameters and does not require modification in this sample.
DetectImageElements::main(array_slice($argv, 1));
// Install dependencies.
// npm install @alicloud/imagerecog20190930
const ImagerecogClient = require('@alicloud/imagerecog20190930');
const OpenapiClient = require('@alicloud/openapi-client');
const TeaUtil = require('@alicloud/tea-util');

let config = new OpenapiClient.Config({
  // For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
  // If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
  // Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code. 
  accessKeyId: process.env.ALIBABA_CLOUD_ACCESS_KEY_ID,   
  accessKeySecret: process.env.ALIBABA_CLOUD_ACCESS_KEY_SECRET
});
// Specify the service endpoint.
config.endpoint = `imagerecog.cn-shanghai.aliyuncs.com`;
const client = new ImagerecogClient.default(config);
let detectImageElementsRequest = new ImagerecogClient.DetectImageElementsRequest({
  url: "http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg",
});
let runtime = new TeaUtil.RuntimeOptions({});
client.detectImageElementsWithOptions(detectImageElementsRequest, runtime)
  .then(function (detectImageElementsResponse) {
    // Get the complete response.
    console.log(detectImageElementsResponse);
    // Get a specific field from the response.
    console.log(detectImageElementsResponse.body.data);
  }, function (error) {
    // Get the complete error message.
    console.log(error);
    // Get a specific field from the error message.
    console.log(error.data.Code);
  })
/**
Dependency: github.com/alibabacloud-go/imagerecog-20190930/v2
Use 'go mod tidy' to install the dependency.
*/

package main

import (
	"fmt"
	"os"
	openapi "github.com/alibabacloud-go/darabonba-openapi/v2/client"
	imagerecog20190930 "github.com/alibabacloud-go/imagerecog-20190930/v2/client"
	util "github.com/alibabacloud-go/tea-utils/v2/service"
	"github.com/alibabacloud-go/tea/tea"
)

func main() { 
  // For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
  // If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
  // Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code.  
  accessKeyId := os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_ID")  
  accessKeySecret := os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET")
  // Initializes the configuration object, &openapi.Config, to store configurations such as your AccessKey ID, AccessKey Secret, and endpoint.
  config := &openapi.Config{
    AccessKeyId: tea.String(accessKeyId),
    AccessKeySecret: tea.String(accessKeySecret),
	}
	// Specify the service endpoint.
	config.Endpoint = tea.String("imagerecog.cn-shanghai.aliyuncs.com")
	client, err := imagerecog20190930.NewClient(config)
	if err != nil {
		panic(err)
	}
	detectImageElementsRequest := &imagerecog20190930.DetectImageElementsRequest{
		Url: tea.String("http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg"),
	}
	runtime := &util.RuntimeOptions{}
	detectImageElementsResponse, err := client.DetectImageElementsWithOptions(detectImageElementsRequest, runtime)
	if err != nil {
		// Get the complete error message.
		fmt.Println(err.Error())
	} else {
		// Get the complete response.
		fmt.Println(detectImageElementsResponse)
	}
}
// Install dependencies.
// dotnet add package AlibabaCloud.SDK.Imagerecog20190930
using System;
using System.Collections;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Net;
using System.Threading.Tasks;
using AlibabaCloud.SDK.Imagerecog20190930.Models;
using Tea;
using Tea.Utils;

namespace AlibabaCloud.SDK.Sample
{
    public class Sample
    {
        /**
            * Use an AccessKey pair (AccessKey ID and AccessKey Secret) to initialize the client.
            * @param accessKeyId
            * @param accessKeySecret
            * @return Client
            * @throws Exception
        */
        public static AlibabaCloud.SDK.Imagerecog20190930.Client CreateClient(string accessKeyId, string accessKeySecret)
        {
            AlibabaCloud.OpenApiClient.Models.Config config = new AlibabaCloud.OpenApiClient.Models.Config
            {
                AccessKeyId = accessKeyId,
                AccessKeySecret = accessKeySecret,
            };
            // Specify the service endpoint.
            config.Endpoint = "imagerecog.cn-shanghai.aliyuncs.com";
            return new AlibabaCloud.SDK.Imagerecog20190930.Client(config);
        }
        public static void Main(string[] args)
        {
            // For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
            // If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
            // Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code.
            AlibabaCloud.SDK.Imagerecog20190930.Client client = CreateClient(System.Environment.GetEnvironmentVariable("ALIBABA_CLOUD_ACCESS_KEY_ID"), System.Environment.GetEnvironmentVariable("ALIBABA_CLOUD_ACCESS_KEY_SECRET"));
            AlibabaCloud.SDK.Imagerecog20190930.Models.DetectImageElementsRequest detectImageElementsRequest = new AlibabaCloud.SDK.Imagerecog20190930.Models.DetectImageElementsRequest
            {
                Url = "http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg",
            };
            AlibabaCloud.TeaUtil.Models.RuntimeOptions runtime = new AlibabaCloud.TeaUtil.Models.RuntimeOptions();
            try
            {
                AlibabaCloud.SDK.Imagerecog20190930.Models.DetectImageElementsResponse detectImageElementsResponse = client.DetectImageElementsWithOptions(detectImageElementsRequest, runtime);
                // Get the complete response.
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.ToJSONString(detectImageElementsResponse.Body));
                // Get a specific field from the response.
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.ToJSONString(detectImageElementsResponse.Body.Data));
            }
            catch (TeaException error)
            {
                // If necessary, print the error.
                AlibabaCloud.TeaUtil.Common.AssertAsString(error.Message);
            }
            catch (Exception _error)
            {
                TeaException error = new TeaException(new Dictionary<string, object>
                {
                    { "message", _error.Message }
                });
                // If necessary, print the error.
                Console.WriteLine(error.Message);
            }
        }
    }
}

Local file or public URL

/*
<!-- https://mvnrepository.com/artifact/com.aliyun/imagerecog20190930 -->
<dependency>
    <groupId>com.aliyun</groupId>
    <artifactId>imagerecog20190930</artifactId>
    <version>${aliyun.imagerecog.version}</version>
</dependency>
*/

import com.aliyun.imagerecog20190930.models.DetectImageElementsResponse;
import com.aliyun.tea.TeaException;
import com.aliyun.tea.TeaModel;

import java.io.InputStream;
import java.net.URL;

public class DetectImageElements {
    public static com.aliyun.imagerecog20190930.Client createClient(String accessKeyId, String accessKeySecret) throws Exception {
        /*
          Initializes the configuration object, com.aliyun.teaopenapi.models.Config, to store configurations such as your AccessKey ID, AccessKey Secret, and endpoint.
         */
         com.aliyun.teaopenapi.models.Config config = new com.aliyun.teaopenapi.models.Config()
                .setAccessKeyId(accessKeyId)
                .setAccessKeySecret(accessKeySecret);
        // Specify the service endpoint.
        config.endpoint = "imagerecog.cn-shanghai.aliyuncs.com";
        return new com.aliyun.imagerecog20190930.Client(config);
    }

    public static void main(String[] args_) throws Exception {
        // For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
        // If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
        // Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code.
        String accessKeyId = System.getenv("ALIBABA_CLOUD_ACCESS_KEY_ID");
        String accessKeySecret = System.getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET"); 
        com.aliyun.imagerecog20190930.Client client = DetectImageElements.createClient(accessKeyId, accessKeySecret);
        // Scenario 1: Use a local file.
        // InputStream inputStream = new FileInputStream(new File("/tmp/DetectImageElements.jpg"));
        // Scenario 2: Process an image from a public URL.
        URL url = new URL("http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg");
        InputStream inputStream = url.openConnection().getInputStream();
        com.aliyun.imagerecog20190930.models.DetectImageElementsAdvanceRequest detectImageElementsAdvanceRequest = new com.aliyun.imagerecog20190930.models.DetectImageElementsAdvanceRequest()
                .setUrlObject(inputStream);
        com.aliyun.teautil.models.RuntimeOptions runtime = new com.aliyun.teautil.models.RuntimeOptions();
        try {
            DetectImageElementsResponse detectImageElementsAdvanceResponse = client.detectImageElementsAdvance(detectImageElementsAdvanceRequest, runtime);
            // Get the complete response.
            System.out.println(com.aliyun.teautil.Common.toJSONString(TeaModel.buildMap(detectImageElementsAdvanceResponse)));
            // Get a specific field from the response.
            System.out.println(detectImageElementsAdvanceResponse.getBody());
        } catch (TeaException teaException) {
            // Get the complete error message.
            System.out.println(com.aliyun.teautil.Common.toJSONString(teaException));
            // Get a specific field from the error message.
            System.out.println(teaException.getCode());
        }
    }
}
# -*- coding: utf-8 -*-
# Import dependencies.
# pip install alibabacloud_imagerecog20190930

import os
import io
from urllib.request import urlopen
from alibabacloud_imagerecog20190930.client import Client
from alibabacloud_imagerecog20190930.models import DetectImageElementsAdvanceRequest
from alibabacloud_tea_openapi.models import Config
from alibabacloud_tea_util.models import RuntimeOptions

config = Config(
  # For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
  # If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
  # Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code.
  access_key_id=os.environ.get('ALIBABA_CLOUD_ACCESS_KEY_ID'),
  access_key_secret=os.environ.get('ALIBABA_CLOUD_ACCESS_KEY_SECRET'),
  # Specify the service endpoint.
  endpoint='imagerecog.cn-shanghai.aliyuncs.com',
  # The region ID of the endpoint.
  region_id='cn-shanghai'
)
# Scenario 1: Use a local file.
#img = open(r'/tmp/DetectImageElements1.jpg', 'rb')
# Scenario 2: Process an image from a public URL.
url = 'http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg'
img = io.BytesIO(urlopen(url).read())
detect_image_elements_request = DetectImageElementsAdvanceRequest()
detect_image_elements_request.url_object = img
runtime = RuntimeOptions()
try:
  # Initialize the client.
  client = Client(config)
  response = client.detect_image_elements_advance(detect_image_elements_request, runtime)
  # Get the complete response.
  print(response.body)
except Exception as error:
  # Get the complete error message.
  print(error)
  # Get a specific field from the error message.
  print(error.code)
<?php

// Install dependencies.
// composer require alibabacloud/imagerecog-20190930

use AlibabaCloud\SDK\Imagerecog\V20190930\Imagerecog;
use \Exception;
use AlibabaCloud\Tea\Utils\Utils;
use Darabonba\OpenApi\Models\Config;
use AlibabaCloud\SDK\Imagerecog\V20190930\Models\DetectImageElementsAdvanceRequest;
use AlibabaCloud\Tea\Utils\Utils\RuntimeOptions;
use GuzzleHttp\Psr7\Stream;

class DetectImageElementsAdvance {

    /**
     * Use an AccessKey pair (AccessKey ID and AccessKey Secret) to initialize the client.
     * @param string $accessKeyId
     * @param string $accessKeySecret
     * @return Imagerecog Client
     */
    public static function createClient($accessKeyId, $accessKeySecret){
        // Initializes the configuration object, Darabonba\OpenApi\Models\Config, to store configurations such as your AccessKey ID, AccessKey Secret, and endpoint.
        $config = new Config([
            "accessKeyId" => $accessKeyId,
            "accessKeySecret" => $accessKeySecret
        ]);
        // Specify the service endpoint.
        $config->endpoint = "imagerecog.cn-shanghai.aliyuncs.com";
        return new Imagerecog($config);
    }

    /**
     * @param string[] $args
     * @return void
     */
    public static function main($args){
        // For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
        // If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
        // Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code.
        $accessKeyId = getenv('ALIBABA_CLOUD_ACCESS_KEY_ID');
        $accessKeySecret = getenv('ALIBABA_CLOUD_ACCESS_KEY_SECRET'); 
        $client = self::createClient($accessKeyId, $accessKeySecret);
        // Scenario 1: Use a local file.
        //$file = fopen('/tmp/EvaluateCertificateQuality.jpg', 'rb');
        //$stream = new Stream($file);
        // Scenario 2: Process an image from a public URL.
        $file = fopen('http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg', 'rb');
        $stream = new Stream($file);
        $detectImageElementsAdvanceRequest = new DetectImageElementsAdvanceRequest([
            "urlObject" => $stream
        ]);
        $runtime = new RuntimeOptions([]);
        try {
            $resp = $client->detectImageElementsAdvance($detectImageElementsAdvanceRequest, $runtime);
            # Get the complete response.
            echo Utils::toJSONString($resp->body);
        } catch (Exception $exception) {
            # Get the complete error message.
            echo Utils::toJSONString($exception);
            # Get a specific field from the error message.
            echo $exception->getCode();
        }
    }
}
$path = __DIR__ . \DIRECTORY_SEPARATOR . '..' . \DIRECTORY_SEPARATOR . 'vendor' . \DIRECTORY_SEPARATOR . 'autoload.php';
if (file_exists($path)) {
    require_once $path;
}
// The $argv array is reserved for input parameters and does not require modification in this sample.
DetectImageElementsAdvance::main(array_slice($argv, 1));
// Install dependencies.
// npm install @alicloud/imagerecog20190930
const ImagerecogClient = require('@alicloud/imagerecog20190930');
const OpenapiClient = require('@alicloud/openapi-client');
const TeaUtil = require('@alicloud/tea-util');
const fs = require('fs');
const http = require('http');
const https = require('https');

let config = new OpenapiClient.Config({
  // For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
  // If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
  // Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code. 
  accessKeyId: process.env.ALIBABA_CLOUD_ACCESS_KEY_ID,   
  accessKeySecret: process.env.ALIBABA_CLOUD_ACCESS_KEY_SECRET
});
// Specify the service endpoint.
config.endpoint = `imagerecog.cn-shanghai.aliyuncs.com`;
const client = new ImagerecogClient.default(config);
const getResponse = function (httpClient, url) {
  return new Promise((resolve, reject) => {
    httpClient.get(url, function (response) {
      resolve(response);
    })
  })
}
const request = async function () {
  try {
    const client = new ImagerecogClient.default(config);
    let detectImageElementsAdvanceRequest = new ImagerecogClient.DetectImageElementsAdvanceRequest();
    // Scenario 1: Use a local file.
    // const fileStream = fs.createReadStream('/tmp/DetectImageElements1.jpg');
    // detectImageElementsAdvanceRequest.urlObject = fileStream;
    // Scenario 2: Process an image from a public URL.
    const url = new URL("http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg");
    const httpClient = (url.protocol == "https:") ? https : http;
    detectImageElementsAdvanceRequest.urlObject = await getResponse(httpClient, url);
    let runtime = new TeaUtil.RuntimeOptions({ });
    client.detectImageElementsAdvance(detectImageElementsAdvanceRequest, runtime)
      .then(function(detectImageElementsResponse) {
        // Get the complete response.
        console.log(detectImageElementsResponse);
        // Get a specific field from the response.
        console.log(detectImageElementsResponse.body.data);
      }, function(error) {
        // Get the complete error message.
        console.log(error);
        // Get a specific field from the error message.
        console.log(error.data.Code);
      })
  } catch (error) {
    console.log(error);
  }
}();
/**
Dependency: github.com/alibabacloud-go/imagerecog-20190930/v2
Use 'go mod tidy' to install the dependency.
*/

package main

import (
	"fmt"
	"os"
	openapi "github.com/alibabacloud-go/darabonba-openapi/v2/client"
	imagerecog20190930 "github.com/alibabacloud-go/imagerecog-20190930/v2/client"
	util "github.com/alibabacloud-go/tea-utils/v2/service"
	"github.com/alibabacloud-go/tea/tea"
	"net/http"
)

func main() {  
  // For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
  // If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
  // Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code.  
  accessKeyId := os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_ID")  
  accessKeySecret := os.Getenv("ALIBABA_CLOUD_ACCESS_KEY_SECRET")
  // Initializes the configuration object, &openapi.Config, to store configurations such as your AccessKey ID, AccessKey Secret, and endpoint.
  config := &openapi.Config{
    AccessKeyId: tea.String(accessKeyId),
    AccessKeySecret: tea.String(accessKeySecret),
	}
	// Specify the service endpoint.
	config.Endpoint = tea.String("imagerecog.cn-shanghai.aliyuncs.com")
	client, err := imagerecog20190930.NewClient(config)
	if err != nil {
		panic(err)
	}
	// Scenario 1: Use a local file.
	//file, err := os.Open("/tmp/DetectImageElements.jpg")
	//if err != nil {
	//	fmt.Println("can not open file", err)
	//	panic(err)
	//}
	//detectImageElementsAdvanceRequest := &imagerecog20190930.DetectImageElementsAdvanceRequest{
	//	UrlObject: file,
	//}
	// Scenario 2: Process an image from a public URL.
	httpClient := http.Client{}
	file, _ := httpClient.Get("http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg")
	detectImageElementsAdvanceRequest := &imagerecog20190930.DetectImageElementsAdvanceRequest{
		UrlObject: file.Body,
	}
	runtime := &util.RuntimeOptions{}
	detectImageElementsAdvanceResponse, err := client.DetectImageElementsAdvance(detectImageElementsAdvanceRequest, runtime)
	if err != nil {
		// Get the complete error message.
		fmt.Println(err.Error())
	} else {
		// Get the complete response.
		fmt.Println(detectImageElementsAdvanceResponse)
	}
}
// Install dependencies.
// dotnet add package AlibabaCloud.SDK.Imagerecog20190930
using System;
using System.Collections;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Net;
using System.Threading.Tasks;
using AlibabaCloud.SDK.Imagerecog20190930.Models;
using Tea;
using Tea.Utils;

namespace AlibabaCloud.SDK.Sample
{
    public class Sample
    {
        /**
            * Use an AccessKey pair (AccessKey ID and AccessKey Secret) to initialize the client.
            * @param accessKeyId
            * @param accessKeySecret
            * @return Client
            * @throws Exception
        */
        public static AlibabaCloud.SDK.Imagerecog20190930.Client CreateClient(string accessKeyId, string accessKeySecret)
        {
            AlibabaCloud.OpenApiClient.Models.Config config = new AlibabaCloud.OpenApiClient.Models.Config
            {
                AccessKeyId = accessKeyId,
                AccessKeySecret = accessKeySecret,
            };
            // Specify the service endpoint.
            config.Endpoint = "imagerecog.cn-shanghai.aliyuncs.com";
            return new AlibabaCloud.SDK.Imagerecog20190930.Client(config);
        }
        public static void Main(string[] args)
        {
            // For more information about how to create an AccessKey, see https://help.aliyun.com/document_detail/175144.html.
            // If you use an AccessKey of a RAM user, you must grant the AliyunVIAPIFullAccess permission to the RAM user. For more information, see https://help.aliyun.com/document_detail/145025.html.
            // Read the AccessKey ID and AccessKey Secret from environment variables. You must configure these variables before running the sample code.
            AlibabaCloud.SDK.Imagerecog20190930.Client client = CreateClient(System.Environment.GetEnvironmentVariable("ALIBABA_CLOUD_ACCESS_KEY_ID"), System.Environment.GetEnvironmentVariable("ALIBABA_CLOUD_ACCESS_KEY_SECRET"));
            AlibabaCloud.SDK.Imagerecog20190930.Models.DetectImageElementsAdvanceRequest detectImageElementsAdvanceRequest = new AlibabaCloud.SDK.Imagerecog20190930.Models.DetectImageElementsAdvanceRequest
            ();
            // Scenario 1: Use a local file.
            // System.IO.StreamReader file = new System.IO.StreamReader(@"/tmp/DetectImageElements1.jpg");
            // detectImageElementsAdvanceRequest.UrlObject = file.BaseStream;

            // Scenario 2: Process an image from a public URL.
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://viapi-test.oss-cn-shanghai.aliyuncs.com/viapi-3.0domepic/imagerecog/DetectImageElements/DetectImageElements1.jpg");
            WebResponse response = request.GetResponse();
            Stream stream = response.GetResponseStream();
            detectImageElementsAdvanceRequest.UrlObject = stream;
            AlibabaCloud.TeaUtil.Models.RuntimeOptions runtime = new AlibabaCloud.TeaUtil.Models.RuntimeOptions();
            try
            {
                AlibabaCloud.SDK.Imagerecog20190930.Models.DetectImageElementsResponse detectImageElementsResponse = client.DetectImageElementsAdvance(detectImageElementsAdvanceRequest, runtime);
                // Get the complete response.
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.ToJSONString(detectImageElementsResponse.Body));
                // Get a specific field from the response.
                Console.WriteLine(AlibabaCloud.TeaUtil.Common.ToJSONString(detectImageElementsResponse.Body.Data));
            }
            catch (TeaException error)
            {
                // If necessary, print the error.
                AlibabaCloud.TeaUtil.Common.AssertAsString(error.Message);
            }
            catch (Exception _error)
            {
                TeaException error = new TeaException(new Dictionary<string, object>
                {
                    { "message", _error.Message }
                });
                // If necessary, print the error.
                Console.WriteLine(error.Message);
            }
        }
    }
}