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Glossary

Image Moderation

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Last updated: 2024-02-02 15:51:37

Overview

This document describes how to use the content moderation feature provided by Cloud Infinite (CI). CI fully integrates the processing capabilities with the COS SDK.
Note:
To use the content moderation service, you need to have the permission to use CI:
For root accounts, click here for role authorization.
This document provides an overview of APIs and SDK code samples for image moderation.
API
Description
Leverages CI's content moderation API to scan existing data stored in COS for porn, illegal, and advertising images.
Leverages CI's content moderation API to scan existing data stored in COS for porn, illegal, and advertising images.
Queries the details of specified image moderation job.

Single image moderation

Feature description

The existing data scan feature of image moderation leverages CI's persistent processing API to scan existing data stored in COS for porn, illegal, and advertising images. Image moderation requests are GET requests.

Method prototype

// Basic operations
func (s *CIService) ImageRecognition(ctx context.Context, name string, DetectType string) (*ImageRecognitionResult, *Response, error)
// You can specify more parameters.
func (s *CIService) ImageAuditing(ctx context.Context, name string, opt *ImageRecognitionOptions) (*ImageRecognitionResult, *Response, error)

Sample request

DetectType := "porn,ads"
name := "test.jpg"
res, _, err := c.CI.ImageRecognition(context.Background(), name, DetectType)


opt := &cos.ImageRecognitionOptions{
CIProcess: "sensitive-content-recognition",
DetectType: "porn,ads",
DetectUrl: "http://www.example.com/test.jpg",
BizType: "ce25f391a72e11eb99f********",
}
res, _, err := c.CI.ImageAuditing(context.Background(), "", opt)

Parameter description

type ImageRecognitionOptions struct {
CIProcess string
DetectType string
DetectUrl string
Interval int
MaxFrames int
BizType string
LargeImageDetect int
DataId string
Async int
Callback string
}
Parameter
Description
Type
Required
name
Name of the image file in the COS bucket. The COS bucket is specified by Host. For example, if the file is img.jpg in the test directory in the examplebucket-1250000000 bucket in Beijing, then Host is examplebucket-1250000000.cos.ap-beijing.myqcloud.com, and ObjectKey is test/img.jpg. If the ImageAuditing API is used to moderate an image URL, pass in an empty string.
String
Yes
CIProcess
This field identifies the data processing feature, which is sensitive-content-recognition for content moderation.
String
Yes
BizType
Moderation policy. If this parameter is not specified, the default policy will be used. The policy can be configured in the console. For more information, see Setting Moderation Policy.
String
No
DetectType
Moderation type, such as porn (pornography) and ads (advertising). You can select multiple types; for example, detect-type=porn,ads indicates to moderate the image for porn and advertising information. If you need to moderate more scenes, use the BizType parameter.
String
No
DetectUrl
You can enter a detect-url value to moderate an image accessible over the public network. If detect-url is not specified, the backend will moderate by ObjectKey by default. If detect-url is specified, the backend will moderate by detect-url, and there will be no need to enter ObjectKey. Sample detect-url: http://www.example.com/abc.jpg.
String
No
Interval
For GIF image moderation, you can use this parameter to configure the frame capturing interval. The default value is 5, indicating to capture a frame every five frames starting from the first frame (included).
Integer
No
MaxFrames
The maximum number of frames to be captured for GIF image moderation, which must be greater than 0. The default value is 5, indicating to capture five frames at most.
Integer
No
LargeImageDetect
Whether to compress the image that exceeds the size limit before moderation. Valid values: 0 (no), 1 (yes). Default value: 0. Note: Images up to 32 MB in size can be compressed, and image compression fees will be charged. For large animated images such as GIF, the compression time is long, which may cause the moderation to fail due to timeout.
Integer
No
DataId
Image ID. This field will return the original content in the result, which can contain up to 512 bytes.
String
No
Async
Whether to moderate asynchronously. Valid values: 0 (returns the result synchronously); 1 (moderates asynchronously). Default value: 0.
String
No
Callback
The moderation result (in Detail mode) can be sent to your callback address in the form of a callback. This parameter takes effect for async moderation. Addresses starting with http:// or https:// are supported, such as http://www.callback.com.
String
No

Response description

Calling the ImageRecognition or ImageAuditing function will parse the XML content returned by the API into the ImageRecognitionResult structure. For specific response parameters, see Single Image Moderation.

Batch image moderation

Feature description

The batch image moderation API adopts a sync POST request method. You can use this API to perform content moderation on multiple image files.

Method prototype

// Batch image moderation
func (s *CIService) BatchImageAuditing(ctx context.Context, opt *BatchImageAuditingOptions) (*BatchImageAuditingJobResult, *Response, error)

Sample request

// Replace `examplebucket-1250000000` and `COS_REGION` with your actual information
// For CI jobs, you need to provide the CIURL.
bu, _ := url.Parse("https://examplebucket-1250000000.cos.COS_REGION.myqcloud.com")
cu, _ := url.Parse("https://examplebucket-1250000000.ci.COS_REGION.myqcloud.com")
b := &cos.BaseURL{BucketURL: bu, CIURL: cu}
c := cos.NewClient(b, &http.Client{
Transport: &cos.AuthorizationTransport{
SecretID: os.Getenv("SECRETID"),
SecretKey: os.Getenv("SECRETKEY"),
},
})
opt := &cos.BatchImageAuditingOptions{
Input: []cos.ImageAuditingInputOptions{
cos.ImageAuditingInputOptions{
DataId: "1",
Object: "test.jpg",
},
cos.ImageAuditingInputOptions{
DataId: "2",
Url: "http://www.example.com/test.jpg",
},
},
Conf: &cos.ImageAuditingJobConf{
DetectType: "Porn,Ads",
},
}
res, _, err := c.CI.BatchImageAuditing(context.Background(), opt)

Parameter description

type ImageAuditingInputOptions struct {
DataId string
Object string
Url string
Interval int
MaxFrames int
LargeImageDetect int
UserInfo *UserExtraInfo
}
type UserExtraInfo struct {
TokenId string
Nickname string
DeviceId string
AppId string
Room string
IP string
Type string
}
type ImageAuditingJobConf struct {
DetectType string
BizType string
Async int
Callback string
}
type BatchImageAuditingOptions struct {
Input []ImageAuditingInputOptions
Conf *ImageAuditingJobConf
}

Parameter
Description
Type
Required
DataId
Image ID. This field will return the original content in the result, which can contain up to 512 bytes.
String
No
Object
Name of the image file stored in the COS bucket; for example, if the file is image.jpg in the test directory, then the filename is test/image.jpg. Either Object or Url can be selected at a time.
String
No
Url
Full URL of the image file, such as http://examplebucket-1250000000.cos.ap-shanghai.myqcloud.com/image.jpg. Either Object or Url can be selected at a time.
String
No
Interval
Frame capturing frequency, which takes effect for GIF images only. The default value is 5, indicating to capture a frame every five frames starting from the first frame (included).
Integer
No
MaxFrames
The maximum number of frames to be captured, which takes effect for GIF images only. The default value is 5, indicating to capture only five frames of the GIF image for moderation. The parameter value must be greater than 0.
Integer
No
BizType
Moderation policy. If this parameter is not specified, the default policy will be used. The policy can be configured in the console. For more information, see Setting Moderation Policy.
String
No
DetectType
The scene to be moderated, such as Porn (pornography) and Ads (advertising). You can pass in multiple types and separate them by comma, such as Porn,Ads. If you need to moderate more scenes, use the BizType parameter.
String
No
Async
Whether to moderate asynchronously. Valid values: 0 (returns the result synchronously); 1 (moderates asynchronously). Default value: 0.
String
No
Callback
The moderation result (in Detail mode) can be sent to your callback address in the form of a callback. This parameter takes effect for async moderation. Addresses starting with http:// or https:// are supported, such as http://www.callback.com.
String
No
LargeImageDetect
Whether to compress the image that exceeds the size limit before moderation. Valid values: 0 (no), 1 (yes). Default value: 0. Note: Images up to 32 MB in size can be compressed, and image compression fees will be charged. For large animated images such as GIF, the compression time is long, which may cause the moderation to fail due to timeout.
Integer
No
UserInfo
Business field.
Object
No

Response description

Calling the BatchImageAuditing function will parse the XML content returned by the API into the BatchImageAuditingJobResult structure. For specific response parameters, see Batch Image Moderation.

Querying image moderation job result

Feature description

This API is used to query the result of an image moderation job. The API request is a GET request.

Method prototype

// Image moderation - job query
func (s *CIService) GetImageAuditingJob(ctx context.Context, jobid string) (*GetImageAuditingJobResult, *Response, error)

Sample request

jobId := "iace25f391a72e11eb99f********"
res, _, err := c.CI.GetImageAuditingJob(context.Background(), jobId)

Parameter description

Parameter
Description
Type
jobId
Job ID
String

Response description

Calling the GetImageAuditingJob function will parse the XML content returned by the API into the GetImageAuditingJobResult structure. For specific response parameters, see Querying Image Moderation Job Result.

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