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Image Moderation

Last updated: 2024-02-04 16:24:44

    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
    The existing data scan feature of image moderation leverages CI's persistent processing API to scan existing data stored in COS for pornographic, illegal, and advertising images. Content moderation requests are `GET` requests.
    The batch image moderation API adopts a sync POST request method. You can use this API to perform content moderation on multiple image files.
    

    Single Image Moderation

    Feature description

    This API is used to moderate images in COS, including pornographic, illegal, and advertising images.

    Sample code

    """Test the CI's API for moderating content in a single image"""
    from qcloud_cos import CosConfig
    from qcloud_cos import CosS3Client
    from qcloud_cos.cos_comm import CiDetectType
    # Create a COS client
    response = client.get_object_sensitive_content_recognition(
    Bucket=test_bucket,
    Key=test_object,
    DetectUrl='https://examplebucket-1250000000.cos.ap-chongqing.myqcloud.com/tttt.jpg',
    DetectType=(CiDetectType.PORN | CiDetectType.ADS)
    )
    print(response)

    Parameter description

    The get_object_sensitive_content_recognition function is called. Specific request parameters are as follows:
    Parameter
    Description
    Type
    Required
    Key
    Object name, such as picture.jpg.
    String
    Yes
    BizType
    Unique identifier of the moderation policy. You can configure the scenes you want to moderate on the moderation policy page in the console, such as pornographic, adverting, and illegal information. For configuration guidelines, see Setting Public Moderation Policy. You can get BizType in the console. If BizType is specified, the moderation request will perform moderation based on the scenes configured in the moderation policy. If BizType is not specified, the default moderation policy will be used automatically.
    String
    No
    DetectType
    Moderation type. Valid values: CiDetectType.PORN (pornography), CiDetectType.ADS (advertising). You can select multiple types. For example, CiDetectType.PORN | CiDetectType.ADS indicates to moderate the image for pornographic and advertising information. If you need more moderation scenes, use the BizType parameter.
    enum
    No
    Interval
    Frame capturing frequency, which takes effect for GIF/long images only. The default value is 0, indicating to detect only the first frame of the GIF/long image.
    Int
    No
    MaxFrames
    The maximum number of frames to be captured, which takes effect for GIF/long images only. The default value is 1, indicating to capture only the first frame of the GIF image for moderation, or that the long image will not be split.
    Int
    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 is no need to enter ObjectKey. Sample detect-url: http://www.example.com/abc.jpg
    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 compression fees will be charged.
    Int
    No
    dataid
    Image ID. This field will return the original content in the result, which can contain up to 512 bytes.
    String
    No

    Response parameters

    Calling the get_object_sensitive_content_recognition function will convert the XML returned in the API into a dict value. For specific response parameters, see Single Image Moderation.

    Batch Image Moderation

    Feature description

    This API is used to moderate multiple images in COS, including pornographic, illegal, and advertising images.

    Sample code

    """Test the CI's API for batch moderating content in images"""
    from qcloud_cos import CosConfig
    from qcloud_cos import CosS3Client
    from qcloud_cos.cos_comm import CiDetectType
    # Create a COS client
    response = client.ci_auditing_image_batch(
    Bucket=bucket_name,
    DetectType=CiDetectType.PORN,
    Input=[{
    'Url':'https://examplebucket-1250000000.cos.ap-chongqing.myqcloud.com/porn_ocr.png',
    'DataId': 'testdataid-111111',
    'UserInfo':{
    'TokenId': 'token',
    'Nickname': 'test',
    'DeviceId': 'DeviceId-test',
    'AppId': 'AppId-test',
    'Room': 'Room-test',
    'IP': 'IP-test',
    'Type': 'Type-test',
    },
    },{
    'Object':'test-0.jpg',
    'LargeImageDetect' :1,
    },{
    'Url':'https://examplebucket-1250000000.cos.ap-chongqing.myqcloud.com/pron_plitics_ads_terrism.png',
    }]
    )
    print(response)

    Parameter description

    The ci_auditing_image_batch function is called. Specific request parameters are as follows:
    Parameter
    Description
    Type
    Required
    Bucket
    Bucket name.
    String
    Yes
    BizType
    Unique identifier of the moderation policy. It is automatically generated by the backend and corresponds to the Biztype value in the console.
    String
    No
    DetectType
    Moderation type. Valid values: CiDetectType.PORN (pornography), CiDetectType.ADS (advertising). You can select multiple types. For example, CiDetectType.PORN | CiDetectType.ADS indicates to moderate the image for pornographic and advertising information. If you need more moderation scenes, use the BizType parameter.
    enum
    No
    Input
    Information of the image to be moderated. Each array element is of the dict type. The following parameters are supported:
    Object: Name of the image file stored in the COS bucket. For example, if the file is image.jpg in the test directory, the file name is test/image.jpg. Either Object or Url can be selected at a time.
    Url: URL of the image file, for example, http://a-1250000.cos.ap-shanghai.tencentcos.cn/image.jpg. Either Object or Url can be selected at a time.
    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).
    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.
    DataId: Image identifier. This field will return the original content in the result, which can contain up to 512 bytes.
    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 compression fees will be charged.
    UserInfo: Business field.
    Array
    No

    Response parameters

    Calling the ci_auditing_image_batch function will convert the XML returned in the API into a dict value. For specific response parameters, see Batch Image Moderation.
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