Digital Watermarking via Segmented Slide Insertion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Digital content is vulnerable to unauthorized copying and distribution due to its ease of transfer and manipulation, posing challenges for content providers in maintaining revenue and control.
Innovation Solution
The implementation of digital watermarks that contain watermark information, fingerprint information, and other metadata, inserted into specific sections of digital content, preventing compression and decompression processes from removing the watermark without compromising the content's quality or usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If digital watermarks are inserted into digital content, then content protection and tracking capabilities are improved, but the digital content becomes more vulnerable to compression and decompression processes that may remove or diminish the watermark
Solution Approach 1:
The digital content is divided into multiple sections, and watermarks are inserted into specific sections rather than throughout the entire content. This segmentation allows the watermark to be protected within a controlled portion of the data structure, making it less vulnerable to removal by compression processes that operate on the whole file.
Solution Approach 2:
The watermark is inserted into the digital content before distribution to users. By performing the watermarking action in advance, the system ensures that the watermark is embedded in the content structure prior to any potential compression or manipulation by unauthorized users, thereby maintaining protection reliability.
2Reliability
If digital watermarks are added to digital content, then unauthorized distribution is prevented, but the complexity of the digital content increases
Solution Approach 1:
The watermarking process applies different treatment to different parts of the digital content. Specifically, watermarks are inserted into selected sections rather than uniformly throughout, and the insertion method varies based on the section's characteristics. This localized approach maintains protection functionality while minimizing the overall complexity increase of the content structure.
Solution Approach 2:
A watermark insertion system acts as an intermediary between the content provider and the digital content. This intermediary system handles the complexity of watermark embedding, management, and verification, allowing the content itself to remain relatively simple while still providing robust protection against unauthorized distribution.
3Quantity of substance
If compression processes are applied to digital content to reduce file size, then storage and transmission efficiency is improved, but the watermark may be removed or diminished
Solution Approach 1:
The digital content is segmented into multiple sections, and watermarks are placed in specific sections that are designed to be resistant to compression-induced removal. This segmentation strategy ensures that even if compression processes are applied to the entire file, the watermark in its protected section remains intact or can be recovered.
Solution Approach 2:
The watermark insertion process incorporates preliminary measures to counteract potential compression effects. By carefully selecting sections for watermark insertion and using compression-resistant embedding methods, the system pre-establishes protection against the harmful effect of compression processes that might otherwise remove or diminish the watermark.
Data Source
AI summary
Systems and methods for protecting digital content using digital watermarks and for distributing that protected digital content are described. The digital watermark contains watermark information, fingerprint information, and any other information desired by the provider of the digital content. To insert the digital watermark in the digital content, a section of the digital content is selected, whether it is a random section or a desired section (such as the first or last section), and then that section is broken into a given number of individual slides. The digital watermark is created as an additional slide or frame and then placed between the slides of that section. These individual slides, which now contain the watermark, are re-combined and then re-attached to the remainder of the digital content when desired, such as on the fly or at the time of the user's purchase of the digital content. The user (or other viewer) receives only a single packet of information for the digital content, rather than numerous packets of information, preventing compression and decompression processes from avoiding the watermark since any such compression would not only diminish the slide with the watermark on it, but also the content and render the digital content unusable. Other embodiments are described.