Digital Watermarking for Copyright Protection via Pixel Attributes
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Solution Overview
Problem
Existing copyright protection methods face challenges in identifying and managing unauthorized use of copyrighted content, particularly when only a portion of the content is used, as it can be difficult to embed and detect copyright information effectively.
Innovation Solution
Generating a unique identifier based on copyright information and embedding it as a digital watermark in the content's attributes, such as pixel density, which is invisible to the human eye, allowing retrieval of copyright information from a blockchain network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If copyright information is embedded in digital content, then copyright identification capability is improved, but the content's visual quality and user experience deteriorate
Solution Approach 1:
The patent embeds copyright information by making imperceptible changes to pixel attributes (color, brightness, density) that are below human visual detection thresholds. These subtle attribute modifications allow copyright data to be hidden within the visual content without degrading perceived quality.
Solution Approach 2:
The system modifies physical parameters of the display screen (pixel density, color values, brightness levels) to encode copyright information. By changing these parameters at levels imperceptible to human eyes, the patent achieves both copyright embedding and preservation of visual quality.
2Reliability
If digital watermarking is applied to protect copyright, then copyright protection capability is improved, but the complexity of the system increases
Solution Approach 1:
The patent introduces a blockchain network as an intermediary to store and verify copyright information. The blockchain acts as a decentralized mediator that provides immutable storage and verification mechanisms, reducing the need for complex centralized copyright management systems while enhancing protection reliability.
Solution Approach 2:
The system creates digital watermarks by embedding copyright information as copies within the original content. These watermark copies contain encoded copyright data that can be extracted and verified, providing protection without requiring complex additional infrastructure.
3Measurement precision
If copyright information is made visible or detectable, then copyright identification is improved, but the ability to go undetected by unauthorized users deteriorates
Solution Approach 1:
The patent uses imperceptible color and pixel density changes to embed copyright watermarks that are detectable only through computational analysis. Unauthorized users cannot see these modifications, so they cannot deliberately remove or alter them, while authorized systems can detect and verify the copyright information.
Solution Approach 2:
The system replaces manual or visual copyright verification with automated computational detection methods. Algorithms analyze pixel-level attributes to detect embedded watermarks, substituting mechanical inspection with electronic detection that operates at thresholds imperceptible to human users.
Data Source
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AI summary
Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for hiding copyright information in a display screen. One of the methods includes generating, by a computing device, a unique identifier (ID) based on copyright information associated with a digital content, wherein the copyright information and the digital content are recorded on a blockchain of a blockchain network; determining one or more attributes associated with the display screen; and converting the unique ID to a digital watermark based on the one or more attributes, the digital watermark not being apparent to an unaided human eye when displayed in the display screen and enables retrieval of the copyright information from the blockchain based on the unique ID.