Modifying Labels in Batches

Function

This API is used to modify labels in batches.

Debugging

You can debug this API through automatic authentication in API Explorer or use the SDK sample code generated by API Explorer.

URI

PUT /v2/{project_id}/datasets/{dataset_id}/data-annotations/labels

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
dataset_id	Yes	String	Dataset ID.
project_id	Yes	String	Project ID. For details about how to obtain a project ID, see Obtaining a Project ID and Name.

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
labels	No	Array of Label objects	List of labels to be updated.

**Table 3** Label
Parameter	Mandatory	Type	Description
attributes	No	Array of LabelAttribute objects	Multi-dimensional attribute of a label. For example, if the label is music, attributes such as style and artist may be included.
name	No	String	Label name.
property	No	LabelProperty object	Basic attribute key-value pair of a label, such as color and shortcut keys.
type	No	Integer	Label type. Options: 0: image classification 1: object detection 3: image segmentation 100: text classification 101: named entity recognition 102: text triplet relationship 103: text triplet entity 200: sound classification 201: speech content 202: speech paragraph labeling 600: video labeling

**Table 4** LabelAttribute
Parameter	Mandatory	Type	Description
default_value	No	String	Default value of a label attribute.
id	No	String	Label attribute ID. You can query the tag by invoking the tag list.
name	No	String	Label attribute name. The value contains a maximum of 64 characters and cannot contain the character. <>=&"'.
type	No	String	Label attribute type. Options: text: text select: single-choice drop-down list
values	No	Array of LabelAttributeValue objects	List of label attribute values.

**Table 5** LabelAttributeValue
Parameter	Mandatory	Type	Description
id	No	String	Label attribute value ID.
value	No	String	Label attribute value.

**Table 6** LabelProperty
Parameter	Mandatory	Type	Description
@modelarts:color	No	String	Default attribute: Label color, which is a hexadecimal code of the color. By default, this parameter is left blank. Example: #FFFFF0.
@modelarts:default_shape	No	String	Default attribute: Default shape of an object detection label (dedicated attribute). By default, this parameter is left blank. Options: bndbox: rectangle polygon: polygon circle: circle line: straight line dashed: dotted line point: point polyline: polyline
@modelarts:from_type	No	String	Default attribute: Type of the head entity in the triplet relationship label. This attribute must be specified when a relationship label is created. This parameter is used only for the text triplet dataset.
@modelarts:rename_to	No	String	Default attribute: The new name of the label.
@modelarts:shortcut	No	String	Default attribute: Label shortcut key. By default, this parameter is left blank. For example: D.
@modelarts:to_type	No	String	Default attribute: Type of the tail entity in the triplet relationship label. This attribute must be specified when a relationship label is created. This parameter is used only for the text triplet dataset.

Response Parameters

Status code: 200

**Table 7** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.
results	Array of BatchResponse objects	Response body for updating labels.
success	Boolean	Whether the operation is successful. Options: true: successful false: failed

**Table 8** BatchResponse
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.
success	Boolean	Check whether the operation is successful. Options: true: The operation is successful. false: The operation is failed.

Example Requests

Modifying Labels in Batches

{
  "labels" : [ {
    "name" : "Cat",
    "property" : {
      "@modelarts:color" : "#8a1524",
      "@modelarts:rename_to" : "pussycat"
    }
  } ]
}