Printed Layer Light Transport Model for Digital Product Customization
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Solution Overview
Problem
Current manufacturing processes fail to accurately capture and reproduce complex optical effects such as translucency, reflectivity, and multilayer interactions in digital product designs, leading to inconsistencies between digital and physical products, especially with curved and textured surfaces.
Innovation Solution
A system and method for interactive product customization that uses a printed layer light transport model, combining advanced ray tracing and radiosity techniques with bi-directional reflectance functions to generate manufacturing instructions for producing physical products with desired optical effects, including translucent, metallic, and diffraction effects, by superimposing layers to achieve realistic visual representations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If color printing process is used for manufacturing, then production cost and process simplicity are improved, but accuracy in capturing complex optical effects (translucency, reflectivity, multilayer interactions) deteriorates
Solution Approach 1:
The patent segments the manufacturing process into multiple distinct layers (base layer, color layers, varnish layers, metallic layers) where each layer handles specific visual properties. This segmentation allows the system to accurately reproduce complex optical effects by combining simpler layer functions, resolving the contradiction between process simplicity and optical accuracy.
Solution Approach 2:
The patent employs composite material structures with multiple layers having different optical properties (translucent, opaque, metallic, diffraction-grating layers). By combining these composite layers, the system achieves accurate reproduction of complex optical effects while maintaining a systematic manufacturing approach that balances simplicity and precision.
2Measurement precision
If advanced ray tracing and radiosity techniques with printed layer light transport model are used, then accuracy in visualizing optical effects is improved, but computational complexity and processing time increase
Solution Approach 1:
The patent performs preliminary computational analysis by pre-calculating light transport through each layer type and storing the results in lookup tables. During interactive customization, the system retrieves and combines pre-computed layer responses rather than performing full ray tracing calculations, thereby maintaining high visualization accuracy while reducing real-time computational complexity.
Solution Approach 2:
The patent divides the complex light transport problem into separate calculations for each layer type (base layer, color layers, varnish layers, metallic layers, diffraction layers). Each layer's optical behavior is modeled independently and then combined, reducing overall computational complexity while maintaining accuracy through systematic decomposition of the visualization problem.
3Manufacturing precision
If multiple layers are superimposed to achieve realistic visual effects, then optical effects fidelity is improved, but manufacturing process complexity increases
Solution Approach 1:
The patent employs a universal layering framework where each layer type serves multiple functions. For example, varnish layers provide both protection and optical effects (gloss, translucency), while metallic layers simultaneously provide color, reflectivity, and texture. This multi-functionality reduces the total number of layers needed, maintaining visual fidelity while simplifying the manufacturing process.
Solution Approach 2:
The patent applies different layer types and properties locally to specific regions of the product surface based on the desired visual effects. Rather than uniformly applying complex multilayer structures everywhere, the system selectively applies layers only where needed to achieve specific optical effects, thereby maintaining fidelity while reducing overall manufacturing complexity.
4Ease of operation
If interactive customization system with real-time rendering is implemented, then user experience and design flexibility are improved, but computational resource requirements increase
Solution Approach 1:
The patent pre-computes and stores light transport characteristics for each layer type in lookup tables before interactive sessions. During real-time customization, the system rapidly retrieves and combines these pre-computed results based on user selections, enabling interactive exploration of design options with multiple layers while keeping computational resource consumption manageable through efficient data retrieval rather than real-time calculation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables accurate visualization and reproduction of complex optical effects in physical products, ensuring that customized digital designs are accurately translated into manufactured physical products with enhanced realism and fidelity, overcoming limitations of existing technologies in capturing light interactions and surface textures.
Implementation Method 1
combining advanced ray tracing and radiosity techniques with bi-directional reflectance functions
Implementation Method 2
combining advanced ray tracing and radiosity techniques with bi-directional reflectance functions
Implementation Method 3
combining advanced ray tracing and radiosity techniques with bi-directional reflectance functions
Implementation Method 4
to generate manufacturing instructions for producing physical products with desired optical effects, including translucent, metallic, and diffraction effects
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
A method comprises: generating a user interface; receiving user content to be applied to a surface of a digital product; generating a product description describing the digital product; generating a three-dimensional representation of the digital; generating a texture input-light output map for the digital product; generating calibrated color layers and calibrated luminance layers for the digital product; generating a printed layer light transport model based on the calibrated color layers and the calibrated luminance layers; generating a rendering based on the printed layer light transport model, the calibrated color layers, the calibrated luminance layers, the product description, and the three-dimensional representation of the digital product; transmitting the printed layer light transport model, the calibrated color layers, the calibrated luminance layers, the product description, and the three-dimensional representation of the digital product to a manufacture to cause the manufacturer to manufacture a physical product corresponding to the digital product.