Contextual Image Enhancement Using Generative Adversarial Networks

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Solution Overview

Problem

Existing document creation technologies fail to effectively enhance images within documents based on context, often scaling entire images uniformly without emphasizing relevant components over others, which can lead to suboptimal representation and understanding of textual content.

Innovation Solution

A method utilizing generative adversarial networks (GANs) to determine the context of an image within a document through natural language processing (NLP), identifying relevant features, and selectively enhancing these features by adjusting scale, color, or removing irrelevant components, thereby improving the image's alignment with its usage context.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If uniform scaling of entire images is applied, then image processing simplicity is maintained, but image representation accuracy deteriorates

Engineering Contradiction:
Improveimage processing simplicityVSAvoidimage representation accuracy
Core Design Contradiction:
Ease of manufactureVSManufacturing precision

Solution Approach 1:

The patent segments the image into multiple regions of interest based on contextual relevance to the surrounding text. Instead of treating the image as a single uniform entity, it divides the image into distinct segments that can be independently scaled and enhanced, allowing different parts of the image to be processed according to their specific importance and relevance to the document context.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent applies local quality enhancement by selectively scaling and enhancing only those regions of the image that are contextually relevant to the surrounding text. Different regions receive different levels of enhancement based on their relevance, with high-relevance regions receiving greater enhancement and low-relevance regions receiving minimal or no enhancement, thereby optimizing both accuracy and processing efficiency.

Inventive Principle:
Principle #3Local quality

2Manufacturing precision

If contextual analysis is performed on image features, then image relevance to text is improved, but processing complexity increases

Engineering Contradiction:
Improveimage-text alignment accuracyVSAvoidprocessing system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent performs preliminary action by pre-identifying and tagging regions of interest in the image based on contextual analysis before the actual scaling and enhancement operations are applied. This preliminary segmentation and relevance assessment allows the subsequent processing steps to be more efficient and targeted, reducing the overall computational complexity while maintaining high accuracy.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent introduces an intermediary contextual analysis layer that bridges the image and text components. This intermediary system analyzes the surrounding text to determine which image regions are relevant, and then uses this contextual information to guide the selective enhancement process, effectively mediating between the raw image data and the final enhanced output.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Manufacturing precision

If selective feature enhancement is applied, then image contextual relevance is improved, but processing time increases

Engineering Contradiction:
Improvecontextual relevance accuracyVSAvoidimage processing speed
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The patent applies partial action by selectively enhancing only the necessary portions of the image that are contextually relevant, rather than processing the entire image uniformly. This partial enhancement approach focuses computational resources on the most important regions, achieving high contextual relevance while minimizing unnecessary processing time spent on irrelevant areas.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS12079912B2Enhancing images in text documents
Publication Date: 2024.09.03 INTERNATIONAL BUSINESS MACHINE CORPORATION
  • US12079912B2 patent drawing
  • US12079912B2 patent drawing
  • US12079912B2 patent drawing

AI summary

Images placed in documents are enhanced based on the context in which the image is used. Context is determined according to document-specific indicators such as nearby text, headings, titles, and tables of content. A generative adversarial network (GAN) modifies the image according to the context to selectively emphasize relevant components of the image, which may include erasing or deleting irrelevant components. Relevant general-purpose images may be retrieved for use in the document and may be selectively enhanced according to usage of the general-purpose image in a given document.