Get Document Vertex Coordinates

Returns the four vertex coordinates of the document in the image. If no document is present, returns the four vertex coordinates of the image. If some vertices of the document are outside the image, returns the intersection of the document boundary and image boundary.

Request URL

POST /v1/document/corners

Request Parameters

Parameter Name	Data Type	Required	Description
image	file	Yes	Document image. Currently supports most formats like jpg, png, bmp, etc. Note that the data format of the request body should be FormData. File size should not exceed 10M, and image width and height should be between 50 and 10000 pixels.

Request Example

curl --location --request POST 'localhost:8000/api/document/corners' --header 'Content-Type: multipart/form-data; boundary=--------------------------994702659308423812684350' --form 'image=@/data/your-image.jpg'

Response Parameters

Parameter Name	Data Type	Description
code	int	0 indicates a normal return; other values refer to the error code description.
data	object
exists	bool	Indicates if a document exists.
corners	array	The four vertex coordinates of the document. If no document is detected, corners will return the four vertext coordinates of the original input image.

Response Example

{
  "code": 0,
  "data": {
    "corners": [
      [
        283,
        6
      ],
      [
        283,
        4013
      ],
      [
        2633,
        6
      ],
      [
        2633,
        4013
      ]
    ],
    "exists": true
  }
}