Image Operations - Analyze Image

Service:

Azure AI Services

API Version:

2024-09-01

Analyze Image
A synchronous API for the analysis of potentially harmful image content. Currently, it supports four categories: Hate, SelfHarm, Sexual, and Violence.

POST {endpoint}/contentsafety/image:analyze?api-version=2024-09-01

URI Parameters

Name	In	Required	Type	Description
endpoint	path	True	string	Supported Cognitive Services endpoints (protocol and hostname, for example: https://.cognitiveservices.azure.com).
api-version	query	True	string	The API version to use for this operation.

Request Body

Name	Required	Type	Description
image	True	ImageData	The image to be analyzed.
categories		ImageCategory[]	The categories will be analyzed. If they are not assigned, a default set of analysis results for the categories will be returned.
outputType		AnalyzeImageOutputType	This refers to the type of image analysis output. If no value is assigned, the default value will be "FourSeverityLevels".

Responses

Name	Type	Description
200 OK	AnalyzeImageResult	The request has succeeded.
Other Status Codes	Azure.Core.Foundations.ErrorResponse	An unexpected error response. Headers x-ms-error-code: string

Security

Ocp-Apim-Subscription-Key

Type: apiKey
In: header

OAuth2Auth

Type: oauth2
Flow: application
Token URL: https://login.microsoftonline.com/common/oauth2/v2.0/token

Scopes

Name	Description
https://cognitiveservices.azure.com/.default

Examples

Analyze Image

Sample request

HTTP

POST {endpoint}/contentsafety/image:analyze?api-version=2024-09-01

{
  "image": {
    "content": "Y29udGVudDE="
  }
}

Sample response

Status code:

200

{
  "categoriesAnalysis": [
    {
      "category": "Hate",
      "severity": 0
    },
    {
      "category": "SelfHarm",
      "severity": 0
    },
    {
      "category": "Sexual",
      "severity": 0
    },
    {
      "category": "Violence",
      "severity": 2
    }
  ]
}

Definitions

Name	Description
AnalyzeImageOptions	The image analysis request.
AnalyzeImageOutputType	This refers to the type of image analysis output. If no value is assigned, the default value will be "FourSeverityLevels".
AnalyzeImageResult	The image analysis response.
Azure.Core.Foundations.Error	The error object.
Azure.Core.Foundations.ErrorResponse	A response containing error details.
Azure.Core.Foundations.InnerError	An object containing more specific information about the error. As per Microsoft One API guidelines - https://github.com/Microsoft/api-guidelines/blob/vNext/Guidelines.md#7102-error-condition-responses.
ImageCategoriesAnalysis	Image analysis result.
ImageCategory	The harm category supported in Image content analysis.
ImageData	The image can be either base64 encoded bytes or a blob URL. You can choose only one of these options. If both are provided, the request will be refused. The maximum image size is 2048 x 2048 pixels and should not exceed 4 MB, while the minimum image size is 50 x 50 pixels.

AnalyzeImageOptions

The image analysis request.

Name	Type	Default value	Description
categories	ImageCategory[]		The categories will be analyzed. If they are not assigned, a default set of analysis results for the categories will be returned.
image	ImageData		The image to be analyzed.
outputType	AnalyzeImageOutputType	FourSeverityLevels	This refers to the type of image analysis output. If no value is assigned, the default value will be "FourSeverityLevels".

AnalyzeImageOutputType

This refers to the type of image analysis output. If no value is assigned, the default value will be "FourSeverityLevels".

Name	Type	Description
FourSeverityLevels	string	Output severities in four levels, the value could be 0,2,4,6.

AnalyzeImageResult

The image analysis response.

Name	Type	Description
categoriesAnalysis	ImageCategoriesAnalysis[]	Analysis result for categories.

Azure.Core.Foundations.Error

The error object.

Name	Type	Description
code	string	One of a server-defined set of error codes.
details	Azure.Core.Foundations.Error[]	An array of details about specific errors that led to this reported error.
innererror	Azure.Core.Foundations.InnerError	An object containing more specific information than the current object about the error.
message	string	A human-readable representation of the error.
target	string	The target of the error.

Azure.Core.Foundations.ErrorResponse

A response containing error details.

Name	Type	Description
error	Azure.Core.Foundations.Error	The error object.

Azure.Core.Foundations.InnerError

An object containing more specific information about the error. As per Microsoft One API guidelines - https://github.com/Microsoft/api-guidelines/blob/vNext/Guidelines.md#7102-error-condition-responses.

Name	Type	Description
code	string	One of a server-defined set of error codes.
innererror	Azure.Core.Foundations.InnerError	Inner error.

ImageCategoriesAnalysis

Image analysis result.

Name	Type	Description
category	ImageCategory	The image analysis category.
severity	integer	The value increases with the severity of the input content. The value of this field is determined by the output type specified in the request. The output type could be ‘FourSeverityLevels’, and the output value can be 0, 2, 4, 6.

ImageCategory

The harm category supported in Image content analysis.

Name	Type	Description
Hate	string	The harm category for Image - Hate.
SelfHarm	string	The harm category for Image - SelfHarm.
Sexual	string	The harm category for Image - Sexual.
Violence	string	The harm category for Image - Violence.

ImageData

The image can be either base64 encoded bytes or a blob URL. You can choose only one of these options. If both are provided, the request will be refused. The maximum image size is 2048 x 2048 pixels and should not exceed 4 MB, while the minimum image size is 50 x 50 pixels.

Name	Type	Description
blobUrl	string	The blob url of the image.
content	string	The Base64 encoding of the image.