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- Data Watermarking
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Image Watermarking
- Injecting Invisible Watermarks into Images
- Extracting Invisible Text Watermarks
- Extracting Invisible Watermarks from Images
- Injecting Invisible Watermarks into Images (Image Addresses)
- Extracting Dark Watermarks from Images (Image Addresses)
- Extracting Invisible Image Watermarks from Images (Image Addresses)
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Sensitive Data Discovery
- Querying the Identification Task List
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- Querying Sensitive Data Scanning Rule Groups
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Sensitive Data Identification and Masking
- What Services Can Use DSC to Scan for Sensitive Data?
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- What Are the Identification Rules in the Built-in Identification Template of DSC?
- Does Data Masking Affect My Raw Data?
- Does DSC Have Specific Requirements on the Character Set for Which Sensitive Data Is to Be Identified and Masked?
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User Guide (ME-Abu Dhabi Region)
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FAQs
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Sensitive Data Identification and Masking
- What Services Can Use DSC to Scan for Sensitive Data?
- How Long Does It Take for DSC to Identify and Mask Sensitive Data?
- Which Types of Sensitive Data Can Be Identified by DSC?
- Does Data Masking Affect My Raw Data?
- Does DSC Have Specific Requirements on the Character Set for Which Sensitive Data Is to Be Identified and Masked?
- How Do I Add Multiple Identification Rule Groups?
- Data Watermarking
- Change History
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API Reference (ME-Abu Dhabi Region)
- Before You Start
- Calling APIs
-
API Description
- Data Watermarking
- Resource Management
- Dynamic Data Masking
- Alarm Notifications
-
Image Watermarking
- Injecting Invisible Watermarks into Images
- Extracting Invisible Text Watermarks
- Extracting Invisible Watermarks from Images
- Injecting Invisible Watermarks into Images (Image Addresses)
- Extracting Dark Watermarks from Images (Image Addresses)
- Extracting Invisible Image Watermarks from Images (Image Addresses)
- Asset Management
- Document Watermarking
-
Sensitive Data Discovery
- Querying the Identification Task List
- Querying the Result of an Identification Task
- Viewing the Rule List
- Creating a Sensitive Data Scanning Rule
- Modifying a Sensitive Data Scanning Rule
- Deleting a Sensitive Data Scanning Rule
- Querying Sensitive Data Scanning Rule Groups
- Creating a Sensitive Data Scanning Rule Group
- Deleting a Sensitive Data Scanning Rule Group
- Creating a Sensitive Data Scanning Task
- Querying the Database Lineage Graph
- Querying the Table Lineage Graph in Pages
- Querying Data Linage Graph at the Column Level
- Querying the OBS Bucket Lineage Graph
- Querying the OBS File Linage Graph in Pages
- Static Data Masking
- API Call Records
- Appendixes
- Change History
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User Guide (ME-Abu Dhabi Region)
- General Reference
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Help Center/
Data Security Center/
User Guide/
Data Asset Protection/
Data Watermarking/
Extracting Watermarks/
Extracting Watermarks from Documents
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Extracting Watermarks from Documents
The content of invisible watermarks cannot be seen and needs to be extracted using tools. This section describes how to extract watermarks from a PDF, PPT, Word, or Excel file stored on the cloud (OBS buckets) or local PC.
Prerequisites
- OBS asset access permissions are granted. For details, see Allowing or Disallowing Access to Cloud Assets.
- You have enabled and created assets on OBS. For details about how to enable OBS, see Enabling and Using OBS Buckets..
- The file format is PDF, PPT, Word, or Excel.
Constraints
- This section focuses on the extractions of invisible watermarks from a single PDF, PPT, Word, or Excel file.
- The maximum size of a PDF or Word file is 50 MB.
- The maximum size of an Excel file is 70 MB.
- The maximum size of a PPT file is 20 MB.
Creating an OBS Bucket File Watermark Extraction Task
- Log in to the management console.
- Click in the upper left corner and select a region or project.
- In the navigation tree on the left, click . Choose Security & Compliance > Data Security Center .
- In the navigation tree on the left, choose Data Asset Protection > Document Watermarking. On the displayed page, click the OBS File tab.
- Click the Watermark Extraction tab. The Watermark Extraction page is displayed.
- Click Create Task in the upper left corner. The Create Task page is displayed.
- Click Add File to select the file from which you want to extract watermarks. You can select multiple OBS bucket files.
- Click OK. The watermark extraction task is created.
- Click the target task name. In the dialog box that is displayed, view the watermark extraction task status and the invisible watermark content of the OBS bucket file.
- Running: You can view the progress of the watermark extraction task.
- Completed: The watermark content is displayed in the Invisible Watermarks column. If there are no invisible watermarks, -- is displayed.
- Failed: The watermark extraction task fails to be executed. You can move the cursor to to view the failure cause.
Extracting Watermarks from Local Files
- Log in to the management console.
- Click in the upper left corner and select a region or project.
- In the navigation tree on the left, click . Choose Security & Compliance > Data Security Center .
- In the navigation tree on the left, choose Data Asset Protection > Document Watermarking. On the displayed page, click the OBS File tab.
- On the displayed page, choose Local > Extract Watermark. The Extract Watermark page is displayed.
- Upload the local file from which you want to extract the watermark text.
NOTE:
Only PDF, PPT, Word, and Excel files are supported.
- After the file is uploaded, click OK. The invisible watermark content is displayed in the dialog box.
Parent Topic: Extracting Watermarks
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