# Image Smart Cutting

Interface should be called on the server side, not in the front end (Weixin Mini Program, web pages, APP, etc.) directly called, specific reference interface call guide

Interface name: img AiCrop

This interface is used to intelligently identify and crop the subject area of the picture

# 1. How to call

# HTTPS calls

POST https://api.weixin.qq.com/cv/img/aicrop?access_token=ACCESS_TOKEN&img_url=IMG_URL

# Cloud Calls

• Call method: img.aiCrop

• The input and exit parameters are the same as the HTTPS call, which can be called in the cloud call documentation

# Third party invocation

• This interface supports Third Party Platform generation business call.

• The permission set to which this interface belongs is id: 117

• When a service provider is authorized by one of the permissions set, it can call on behalf of the merchant by using authorizer_access_token , which can be viewed in the third-party call documentation.

# 2. Request parameters

# Query parametersQuery String parameters

# Request BodyRequest Payload

# 3. Return Parameters

# Response Payload

# Res.results(Array)Object Payload

Smart cropping results

# Res.img_sizeObject Payload

Image size

# 4. Note

1. Support the use of img parameter real-time upload, also support the use of img_url parameter transfer picture address, by WeChat background download picture identification.
2. The ratios parameter is optional, if it is empty, the algorithm will crop the best aspect ratio automatically. If you provide multiple ratios of width to height, separate them by an English comma, ". Up to 5 ratios are supported
3. File size limit: less than 2 M images

# 5. Code examples

# 5.1 Request to upload a file

Example Requests

curl -F 'img=@test.jpg' -F 'ratios=1,2.35' 'http://api.weixin.qq.com/cv/img/aicrop?access_token=ACCESS_TOCKEN'

Return an example

{
  "errcode": 0,
  "errmsg": "ok",
  "results": [
    {
      "crop_left": 112,
      "crop_top": 0,
      "crop_right": 839,
      "crop_bottom": 727
    },
    {
       "crop_left": 0,
       "crop_top": 205,
       "crop_right": 965,
       "crop_bottom": 615
   }
  ],
  "img_size": {
    "w": 966,
    "h": 728
  }
}

# 5.2 Request for an upload link

Example Requests

curl -F 'ratios=1,2.35' "http://api.weixin.qq.com/cv/img/aicrop?img_url=ENCODE_URL&access_token=ACCESS_TOCKEN"

Return an example

{
    "errcode": 0, 
    "errmsg": "ok", 
    "results": [ //智能裁剪结果
        {
            "crop_left": 112, 
            "crop_top": 0, 
            "crop_right": 839, 
            "crop_bottom": 727
        }, 
        {
            "crop_left": 0, 
            "crop_top": 205, 
            "crop_right": 965, 
            "crop_bottom": 615
        }
    ], 
    "img_size": { //图片大小
        "w": 966, 
        "h": 728
    }
}

# 6. Error code

The following is a list of error codes for this interface, other error codes can refer to General error codes

# 7. Scope of application