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Image QR Code

Terakhir diperbarui:2024-02-04 16:24:44

    Overview

    This document provides an overview of APIs and SDK code samples for image QR codes.
    API
    Description
    QR code recognition
    Recognizes the location and content of valid QR codes in an image, outputs the text information (URL or text) contained in the QR codes, and pixelates the recognized QR codes.

    QR Code Recognition

    The QR code recognition feature recognizes the location and content of valid QR codes in an image, outputs the text information (URL or text) contained in the QR codes, and pixelates the recognized QR codes.

    Recognizing QR code during upload

    Feature description

    The request for recognizing QR codes during image upload is the same as that used to simply upload a file to COS, except that you need to add the image processing parameter Pic-Operations to the request header.

    Sample code

    # Create a COS client
    example_object = 'example_object.jpg'
    with open(example_object, 'rb') as fp:
    opts = '{"is_pic_info":1,"rules":[{"fileid":"format.jpg","rule":"QRcode/cover/0"}]}'
    response,data = client.ci_put_object_from_local_file_and_get_qrcode(
    Bucket='example-bucket-123456789',
    LocalFilePath=example_object,
    Key='example_key',
    EnableMD5=False,
    PicOperations=opts
    )
    # View the response information and read the specified data as needed
    print(response,data)

    Parameter description

    Parameter
    Description
    Type
    Required
    Bucket
    Bucket name in the format of BucketName-APPID
    String
    Yes
    LocalFilePath
    Image path
    String
    Yes
    Key
    Unique identifier of the object in the bucket. For example, if an object's access endpoint is examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg, its key is doc/pic.jpg.
    String
    Yes
    EnableMD5
    Specifies whether the SDK needs to calculate the Content-MD5 checksum. It is disabled by default. The upload will take longer if it is enabled.
    Bool
    No
    PicOperations
    CI image processing parameters. For more information, see QR Code Recognition.
    String
    Yes

    Recognizing QR code in the cloud

    Feature description

    This feature recognizes QR codes in an image stored in the cloud and returns the recognition result.

    Sample code

    # Create a COS client
    response,data = client.ci_get_object_qrcode(
    Bucket='example_bucket-123456789',
    Key='example_object',
    Cover=0
    )
    # View the response information and read the specified data as needed
    print(response,data)

    Parameter description

    Parameter
    Description
    Type
    Required
    Bucket
    Bucket name in the format of BucketName-APPID
    String
    Yes
    Key
    Unique identifier of the object in the bucket. For example, if an object's access endpoint is examplebucket-1250000000.cos.ap-guangzhou.myqcloud.com/doc/pic.jpg, its key is doc/pic.jpg.
    String
    Yes
    Cover
    Whether to pixelate QR codes. For more information, see QR Code Recognition.
    Int
    Yes
    
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