Effect Coating Display Color Accuracy Texture
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Solution Overview
Problem
Existing methods for displaying effect coatings on electronic devices suffer from changes in perceived color when texture is superimposed, leading to inaccurate color representation and user judgment being distance-dependent due to non-linear texture effects.
Innovation Solution
A method that generates grayscale images with prescribed texture properties, specifically diffuse coarseness and glint impression, which are then converted into textured images with maintained color properties, using interpolating and non-interpolating resize algorithms, respectively, to ensure color consistency regardless of texture variations and viewer distance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a textured image is superimposed over a coloured image to display effect coatings, then the texture properties of the image are improved, but the perceived colour properties change and deviate from the actual colour
Solution Approach 1:
The patent divides the texture representation into two separate grayscale images: one representing diffuse coarseness and another representing glint impression. This segmentation allows independent processing and resizing of each texture component, preventing their combined interaction from altering color perception. By separating texture attributes, the system maintains color accuracy while still displaying comprehensive texture properties.
Solution Approach 2:
The patent applies different resizing algorithms to different texture components based on their specific characteristics. Diffuse coarseness images are resized using interpolating algorithms to maintain smooth gradients, while glint impression images use non-interpolating algorithms to preserve sharp specular highlights. This localized approach ensures each texture component is processed optimally without negatively affecting color representation.
2Shape
If texture properties of a displayed image are modified to improve visual appearance, then the texture representation is enhanced, but the perceived colour changes simultaneously
Solution Approach 1:
By separating texture properties into distinct grayscale images for diffuse coarseness and glint impression, the system allows independent modification of each texture aspect. Users can adjust texture representation in one component without affecting the other or the underlying color image, as the segmented components are processed and combined in a controlled manner that preserves color integrity.
Solution Approach 2:
The patent introduces grayscale images as intermediary representations between the color image and final textured output. These grayscale intermediaries carry texture information without containing color data, serving as a buffer that allows texture modification while protecting the color information from unintended changes. The grayscale nature ensures they affect only luminance and texture perception, not chromatic properties.
3Ease of operation
If visual judgment on coating match is performed using displayed images, then user selection is enabled, but the judgment becomes distance-dependent due to non-linear texture effects
Solution Approach 1:
The patent makes the texture display dynamic by allowing users to adjust viewing distance parameters and having the system recalculate and redisplay the textured image with appropriate texture scaling. This dynamic adjustment ensures that regardless of actual viewing distance, the texture is rendered at the optimal scale for accurate visual comparison, eliminating distance-dependent judgment errors.
Solution Approach 2:
The system changes the display parameters of the textured image based on simulated viewing conditions. By adjusting texture scale, brightness, and contrast parameters according to the intended viewing distance, the system ensures that the visual appearance remains consistent and comparable across different actual distances, making user judgment independent of physical viewing position.
Data Source
AI summary
The invention relates to a method of displaying an image of an effect coating having texture and colour properties on an electronic display device, using measured colour data and measured texture data as input to generate the image, wherein the textured image is displayed with visual colour properties which are maintained on a prescribed level independent of possible variations in texture properties.