Electronic Device Color LUT Preview with Progressive Data Download

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Solution Overview

Problem

Existing systems do not effectively improve the usability of color conversion data on servers, particularly in terms of reducing data size and enabling efficient preview and application of lookup tables (LUTs) for image processing.

Innovation Solution

An electronic device with a communication interface, input interface, and display, equipped with a controller that receives compressed color conversion data at different ratios, applies it to image data, and allows users to preview effects before fully downloading larger data sets, thereby improving usability by reducing communication load.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If color conversion data is compressed at a high compression ratio to reduce data size, then communication load is reduced, but image quality deteriorates

Engineering Contradiction:
Improvedata sizeVSAvoidimage quality
Core Design Contradiction:
Quantity of substanceVSManufacturing precision

Solution Approach 1:

The patent segments color conversion data into multiple versions with different compression ratios (first version with higher compression, second version with lower compression). This allows users to first evaluate the effect using the smaller first version, and only download the larger second version if needed, thus reducing overall communication load while maintaining image quality when required

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent creates a simplified copy (first color conversion data) of the original high-quality data (second color conversion data) with reduced size through higher compression. This copy allows users to preview and evaluate the color conversion effect before committing to downloading the full-quality version, reducing unnecessary data transfer

Inventive Principle:
Principle #26Copying

2Manufacturing precision

If original color conversion data is downloaded to ensure image quality, then image quality is maintained, but communication load increases

Engineering Contradiction:
Improveimage qualityVSAvoidcommunication load
Core Design Contradiction:
Manufacturing precisionVSLoss of energy

Solution Approach 1:

The patent performs preliminary evaluation using the first color conversion data (higher compression, smaller size) before downloading the second color conversion data (lower compression, larger size). Users can assess whether the color conversion effect meets their needs using the smaller first version, and only proceed to download the larger second version if the effect is satisfactory, thus avoiding unnecessary communication load

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent provides a partial version (first color conversion data) that contains sufficient information for evaluation purposes, rather than requiring the complete high-quality version (second color conversion data) for initial assessment. This partial action allows users to make informed decisions about whether full-quality data is needed, reducing overall communication load

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS20250209671A1Electronic device
Publication Date: 2025.06.26 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
  • US20250209671A1 patent drawing
  • US20250209671A1 patent drawing
  • US20250209671A1 patent drawing

AI summary

An electronic device includes: a communication interface; an input interface configured to receive input of a user operation; a display; and a controller. The controller is configured to: receive, from the server, first color conversion data resulting from compressing original color conversion data at a predetermined first compression ratio; generate second image data by applying the first color conversion data to first image data; cause the display to display a first and second image; and receive second color conversion data or the original color conversion data from the server, based on the user operation received via the input interface after the first image and the second image are displayed, the second color conversion data resulting from compressing the original color conversion data at a second compression ratio lower than the first compression ratio.