AI Inline Text Censoring for Fine-Grained Privacy

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Solution Overview

Problem

Existing systems for censoring text-based data lack dynamic, fine-grained control, often preventing document transmission due to the inability to handle sensitive information effectively, limiting their usefulness.

Innovation Solution

A censoring system using artificial intelligence to identify and censor specific target patterns within text-based data, replacing sensitive characters with substitute strings based on user permissions, allowing controlled transmission of censored data.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional censoring systems prevent document transmission when sensitive data is detected, then security protection is improved, but document usability and communication effectiveness deteriorate

Engineering Contradiction:
Improvesecurity protectionVSAvoiddocument usability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent extracts only the sensitive portions of text (specific characters or words matching target patterns) rather than censoring entire documents. The system identifies and removes only the harmful elements (sensitive data) while preserving the rest of the document content, enabling both security protection and document usability.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent applies different treatment to different parts of the text based on their sensitivity. Sensitive characters matching target patterns are censored, while non-sensitive characters are preserved. This localized approach allows the document to maintain usability in non-sensitive areas while providing security protection in sensitive areas.

Inventive Principle:
Principle #3Local quality

2Reliability

If conventional censoring systems censor entire documents containing sensitive data, then security protection is improved, but information loss and communication effectiveness worsen

Engineering Contradiction:
Improvesecurity protectionVSAvoidinformation loss
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The system extracts and censors only the specific sensitive characters that match target patterns, rather than removing entire documents. This selective extraction minimizes information loss while maintaining security protection for the identified sensitive data.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent applies partial censoring action only to the extent necessary - censoring specific target pattern matches rather than entire documents. This partial action is sufficient to protect sensitive information while avoiding excessive censorship that would cause unnecessary information loss.

Inventive Principle:
Principle #16Partial or excessive action

3Ease of operation

If conventional censoring systems use simple keyword filtering, then ease of operation is improved, but measurement precision and censorship accuracy deteriorate

Engineering Contradiction:
Improveease of censorshipVSAvoidcensorship accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent replaces simple mechanical keyword filtering with a computer-based model (machine learning/AI system) that can accurately identify target patterns. This substitution maintains ease of operation through automated processing while dramatically improving censorship accuracy by understanding context and pattern variations.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system changes the parameters of the censorship process by using trained models with adjustable sensitivity thresholds and pattern matching criteria. This allows the system to maintain ease of operation while achieving high precision through configurable detection parameters and intelligent pattern recognition.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12379975B2Systems and methods for censoring text inline
Publication Date: 2025.08.05 CAPITAL ONE SERVICES LLC
  • US12379975B2 patent drawing
  • US12379975B2 patent drawing
  • US12379975B2 patent drawing

AI summary

Systems and methods for censoring text-based data are provided. In some embodiments a censoring system may include at least one processor and at least one non-transitory memory storing application programming interface instructions. The censoring system may be configured to perform operations comprising storing a target pattern type and a computer-based model for identifying a target data pattern corresponding to a target pattern type within text based data. The censoring system may also be configured to receive text-based data by a server, and to retrieve the stored target pattern type to be censored in the text-based data. The censoring system may be configured to identify within the received text-based data, a target data pattern corresponding to the retrieved target pattern type. The censoring system may be configured to censor target characters within the identified target data pattern, and transmit the censored text-based data to a receiving party.