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路人识别

描述

本接口用于识别图像中的路人,支持返回路人mask、实例mask和人像检测框。可以智能区分主体人物和背景路人,适用于人像摄影、智能相册等场景。

版本

1.0

图片要求

  • 图片格式: JPG、PNG
  • 建议图片分辨率: 不低于 512x512 像素
  • 图片大小: 不超过 10MB

调用 URL

    正式环境：https://openapi.meitu.com
    任务提交接口：https://openapi.meitu.com/api/v1/sdk/sync/push
    任务名称(task)：/v1/Passersby_Segment/483257
    任务类型(task_type)：mtlab

调用方法

POST

Content-Type: application/json

权限

开放平台接口签名

请求参数

是否必选参数名类型参数说明
必选paramsstring算法参数（JSON 字符串）
必选init_imagesobject[]多媒体文件列表
必选taskstring固定 /v1/Passersby_Segment/483257
必选task_typestring固定 mtlab
可选sync_timeoutint默认 30，同步超时时间

init_images 多媒体文件参数，结构说明如下

是否必选参数名类型参数说明
必选urlstring图片 URL 或 base64
必选profileobject属性信息描述

profile 属性信息描述

是否必选参数名类型参数说明
必选media_profilesobject媒体属性信息
必选versionstring固定 v1

media_profiles 媒体属性信息

是否必选参数名类型参数说明
必选media_data_typestringurl 表示 URL；jpg 表示 base64

params 推理参数是 JSON 字符串，其结构说明如下

是否必选字段类型说明
可选rsp_media_typestring默认 url；jpg 表示 base64
必选parameterobject算法核心参数对象

parameter 算法参数详情

是否必选参数名类型参数说明
可选production_linestringins：返回人像 out_boxes 和实例 mask，urls[0] 为实例 mask；passerby：返回路人 mask 和人像 out_boxes，urls[0] 为路人 mask；ins_passerby：返回路人 mask、实例 mask 和人像 out_boxes，urls[0] 为路人 mask，urls[1] 为实例 mask。不传时默认返回 out_boxes 和实例 mask，urls[0] 为实例 mask。

输入值示例

{
  "task": "/v1/Passersby_Segment/483257",
  "task_type": "mtlab",
  "init_images": [
    {
      "url": "https://example.com/image.jpg",
      "profile": {
        "media_profiles": {
          "media_data_type": "url"
        },
        "version": "v1"
      }
    }
  ],
  "params": "{\"rsp_media_type\":\"url\",\"parameter\":{\"production_line\":\"passerby\"}}",
  "sync_timeout": 30
}

返回值说明

注意，生成的结果，会定期清理，请及时下载保存
字段类型说明
request_idstring请求标识
trace_idstring链路追踪标识
codeint业务状态码
error_codeint错误码
messagestring业务信息
tipsany补充提示
dataobject任务状态和算法结果

data 中单个元素的字段说明

字段类型说明
statusint状态码：-1 未找到任务；0 创建成功；1 执行中；2 失败；9 超时，使用查询接口查询；10 成功
resultobject算法结果
progressnumber任务进度
predict_elapsedint预计耗时，毫秒
create_timeint64创建时间戳，毫秒
task_idstring任务 ID
custom_task_idstring客户自定义任务 ID
trace_idstring链路追踪标识
client_infostring客户端信息
init_imagesobject[]/null输入媒体回显

result 中单个元素的字段说明

字段类型字段说明
idstring任务 ID
urlsstring[]图片地址列表；具体顺序由 production_line 决定
parametersobject返回信息标识

parameters 中字段说明

字段类型字段说明
out_boxesList人像检测框坐标，格式为 [x1, y1, x2, y2, label]，其中 label 为检测框标签
rsp_media_typestring返回的媒体类型：url 或 jpg
versionstring算法版本号
inpaintingint可选；0 表示没有路人，1 表示有路人；设置 production_line 时不返回
target_idint可选；表示哪些像素值是主体

返回值示例

请求成功返回示例

{
  "request_id": "",
  "trace_id": "",
  "code": 0,
  "error_code": 0,
  "message": "success",
  "tips": null,
  "data": {
    "status": 10,
    "result": {
      "id": "t_mt1a3i5n7b9de93110-f707-41a1-83d5-d69c60f3bbad",
      "urls": [
        "https://obs.mtlab.meitu.com/mtopen/rF5GIhp5ReLKgLV91CKj5BO1q2FTLMmc/MTY5Mjg1MzIwMA==/1c39ef92-04f1-40b4-5b7e-8fcfca0c11ea.png"
      ],
      "parameters": {
        "out_boxes": [
          [1044, 1437, 1306, 2060, -1],
          [2576, 1421, 2666, 1662, -1],
          [1175, 1331, 1282, 1601, -1],
          [393, 1286, 557, 1527, 1],
          [2654, 1400, 2818, 1687, 2],
          [1130, 1306, 1527, 2072, 3],
          [1048, 1441, 1298, 1830, 4],
          [1466, 1306, 1564, 1597, 5],
          [1318, 634, 2674, 3366, 6],
          [307, 1314, 417, 1531, 7],
          [749, 1363, 1097, 2068, 8],
          [1536, 1298, 1626, 1556, 9],
          [2805, 1314, 3067, 2064, 10]
        ],
        "rsp_media_type": "url",
        "version": "1.0.9"
      }
    },
    "progress": 1,
    "predict_elapsed": 10000,
    "create_time": 1759202368761,
    "task_id": "t_mt1a3i5n7b9de93110-f707-41a1-83d5-d69c60f3bbad",
    "custom_task_id": "",
    "trace_id": "",
    "client_info": "",
    "init_images": null
  }
}

需要查询返回示例

使用 查询接口 接口查询

Response Status：200

content-type 为 application/json; charset=utf-8

{
  "request_id": "",
  "trace_id": "",
  "code": 0,
  "error_code": 0,
  "message": "success",
  "tips": null,
  "data": {
    "status": 9,
    "result": {
      "id": "t_mt1a3i5n7b3da6d589-46b5-4f66-a0bb-8dd22f2a172e"
    },
    "progress": 0,
    "predict_elapsed": 10000,
    "create_time": 1759202368761,
    "task_id": "t_mt1a3i5n7b3da6d589-46b5-4f66-a0bb-8dd22f2a172e",
    "custom_task_id": "",
    "trace_id": "9129a3a2-99c4-46ce-8731-0e100e2fbee7",
    "client_info": "",
    "init_images": null
  }
}

请求失败返回示例

Response Status：400

content-type 为 application/json; charset=utf-8

{
  "request_id": "",
  "trace_id": "",
  "code": 20001,
  "error_code": 20001,
  "message": "ALGO_MODEL_CRASH",
  "tips": null,
  "data": {
    "status": 2,
    "result": {
      "id": "t_mt1a3i5n7be8d575cc-2ffb-4e0c-85a8-1824110e31b8",
      "code": 20001,
      "data": {
        "duration": {
          "alg_process_time": 0,
          "created_timestamp": 1759201989,
          "pull_timestamp": 1759201989,
          "repost_time": 0,
          "upload_time": 0,
          "waiting_time": 0
        },
        "error_code": 20001,
        "error_msg": "ALGO_MODEL_CRASH",
        "extra": {},
        "media_info_list": [],
        "msg_id": "c1b09cb2-6e05-4d21-55ab-r007b1f21bec",
        "parameter": null
      },
      "msg": "ALGO_MODEL_CRASH",
      "msg_id": "c1b09cb2-6e05-4d21-55ab-r007b1f21bec"
    },
    "progress": 1,
    "predict_elapsed": 10000,
    "create_time": 1759201989444,
    "task_id": "t_mt1a3i5n7be8d575cc-2ffb-4e0c-85a8-1824110e31b8",
    "custom_task_id": "",
    "trace_id": "",
    "client_info": "",
    "init_images": null
  }
}

通用的错误代码与信息

详见 API 错误码

SDK 调用示例

Python

import json

import requests
from sign_sdk import sign

def api_call_example():
    key = "your_api_key"
    secret = "your_api_secret"
    url = "https://openapi.meitu.com/api/v1/sdk/sync/push"
    method = "POST"

    headers = {
        "Content-Type": "application/json",
        sign.HeaderHost: "openapi.meitu.com",
    }

    inner_params = {
        "rsp_media_type": "url",
        "parameter": {"production_line": "passerby"},
    }
    payload = {
        "task": "/v1/Passersby_Segment/483257",
        "task_type": "mtlab",
        "init_images": [
            {
                "url": "https://example.com/image.jpg",
                "profile": {
                    "media_profiles": {"media_data_type": "url"},
                    "version": "v1",
                },
            }
        ],
        "params": json.dumps(inner_params, ensure_ascii=False),
        "sync_timeout": 30,
    }
    body = json.dumps(payload, ensure_ascii=False)

    signer = sign.Signer(key, secret)
    signed_request = signer.sign(url, method, headers, body)
    response = requests.Session().send(signed_request)
    print(f"Status: {response.status_code}")
    print(f"Response: {response.text}")

if __name__ == "__main__":
    api_call_example()

Go

package main

import (
	"fmt"
	"io"
	"net/http"

	"github.com/mtlab/api/signer"
)

func main() {
	key := "your_api_key"
	secret := "your_api_secret"
	signObj := signer.NewSigner(key, secret)

	url := "https://openapi.meitu.com/api/v1/sdk/sync/push"
	method := "POST"

	headers := make(http.Header)
	headers.Set(signer.HeaderHost, "openapi.meitu.com")
	headers.Set("Content-Type", "application/json")

	body := `{
  "task": "/v1/Passersby_Segment/483257",
  "task_type": "mtlab",
  "init_images": [{
    "url": "https://example.com/image.jpg",
    "profile": {
      "media_profiles": {"media_data_type": "url"},
      "version": "v1"
	}
  }],
  "params": "{\"rsp_media_type\":\"url\",\"parameter\":{\"production_line\":\"passerby\"}}",
  "sync_timeout": 30
}`

	req, err := signObj.Sign(url, method, headers, body)
	if err != nil {
		fmt.Println("Failed to sign request:", err)
		return
	}

	resp, err := http.DefaultClient.Do(req)
	if err != nil {
		fmt.Println("Failed to send request:", err)
		return
	}
	defer resp.Body.Close()

	bodyBytes, err := io.ReadAll(resp.Body)
	if err != nil {
		fmt.Println("Read response failed:", err)
		return
	}
	fmt.Println("Response:", resp.StatusCode, string(bodyBytes))
}

PHP

<?php
require 'signer.php';

$key = 'your_api_key';
$secret = 'your_api_secret';
$signer = new Signer($key, $secret);

$url = 'https://openapi.meitu.com/api/v1/sdk/sync/push';
$method = 'POST';

$headers = ['Content-Type' => 'application/json'];

$innerParams = json_encode([
    'rsp_media_type' => 'url',
    'parameter' => ['production_line' => 'passerby'],
]);

$body = json_encode([
    'task' => '/v1/Passersby_Segment/483257',
    'task_type' => 'mtlab',
    'init_images' => [
        [
            'url' => 'https://example.com/image.jpg',
            'profile' => [
                'media_profiles' => ['media_data_type' => 'url'],
                'version' => 'v1',
            ],
        ],
    ],
    'params' => $innerParams,
    'sync_timeout' => 30,
]);

$curl = $signer->sign($url, $method, $headers, $body);
$response = curl_exec($curl);
$status = curl_getinfo($curl, CURLINFO_HTTP_CODE);

if ($status === 0) {
    echo 'Error: ' . curl_error($curl);
} else {
    echo "Status: {$status}\n";
    echo "Response: {$response}\n";
}
curl_close($curl);
?>

Java

package com.meitu.openai.common;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;

public class Main {
    public static void main(String[] args) throws Exception {
        Signer signer = new Signer("your_api_key", "your_api_secret");

        String url = "https://openapi.meitu.com/api/v1/sdk/sync/push";
        String method = "POST";
        Map<String, String> headers = new HashMap<>();
        headers.put("Content-Type", "application/json");
        headers.put(Signer.HeaderHost, "openapi.meitu.com");

        String body = "{\n" +
                "  \"task\": \"/v1/Passersby_Segment/483257\",\n" +
                "  \"task_type\": \"mtlab\",\n" +
                "  \"init_images\": [{\n" +
                "    \"url\": \"https://example.com/image.jpg\",\n" +
                "    \"profile\": {\n" +
                "      \"media_profiles\": {\"media_data_type\": \"url\"},\n" +
                "      \"version\": \"v1\"\n" +
                "    }\n" +
                "  }],\n" +
                "  \"params\": \"{\\\"rsp_media_type\\\":\\\"url\\\",\\\"parameter\\\":{\\\"production_line\\\":\\\"passerby\\\"}}\",\n" +
                "  \"sync_timeout\": 30\n" +
                "}";

        Map<String, String> signedHeaders = signer.sign(url, method, headers, body);
        HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
        connection.setRequestMethod(method);
        for (Map.Entry<String, String> entry : signedHeaders.entrySet()) {
            connection.setRequestProperty(entry.getKey(), entry.getValue());
        }
        connection.setDoOutput(true);
        connection.getOutputStream().write(body.getBytes(StandardCharsets.UTF_8));

        int status = connection.getResponseCode();
        InputStream stream = status >= 400
                ? connection.getErrorStream()
                : connection.getInputStream();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(stream))) {
            String inputLine;
            StringBuilder response = new StringBuilder();
            while ((inputLine = reader.readLine()) != null) {
                response.append(inputLine);
            }
            System.out.println("Response: " + status + " " + response);
        }
    }
}