3D Model Lighting Consistency via Template Extraction
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Solution Overview
Problem
In computer graphics, achieving consistent lighting across different digital media representations of objects is challenging, leading to inconsistencies in how objects are depicted, which can affect the perceived quality and appeal of products in e-commerce and other applications.
Innovation Solution
A method and system for determining a lighting template from existing digital media, such as images or 3D models, and applying it to a 3D model to ensure consistent lighting, involving the extraction of light source properties and environment maps to generate a modified 3D model that matches the original lighting conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If different lighting conditions are used for each digital media representation, then each representation can be optimized independently, but inconsistencies in object depiction arise across images, videos, and 3D models
Solution Approach 1:
The system extracts lighting parameters (intensity, color temperature, direction, position) from reference digital media and applies these parameters to other representations. By changing and standardizing lighting parameters across multiple media types, the system achieves consistent object depiction while allowing each representation to be independently optimized for its specific format and purpose
Solution Approach 2:
The system creates a lighting template by copying lighting characteristics from reference digital media (images, videos, or 3D models) and applies this template to other representations of the same object. This copying approach ensures that lighting conditions remain consistent across different media while allowing each to maintain its unique properties and optimization
2Manufacturing precision
If manual lighting adjustment is performed for each digital media representation, then lighting can be precisely controlled, but the process becomes time-consuming and complex
Solution Approach 1:
The system performs preliminary action by extracting and storing lighting parameters from reference digital media in advance. These pre-extracted parameters are then automatically applied to other representations, eliminating the need for manual lighting adjustment for each media type while maintaining precise control over lighting conditions
Solution Approach 2:
The system enables self-service by automatically extracting lighting characteristics from reference media and applying them to other representations without requiring manual intervention. The automated lighting template application process maintains precise lighting control while significantly reducing the time and effort required compared to manual adjustment methods
Data Source
AI summary
The consistent use of lighting in different instances of digital media may help ensure that objects are depicted in a similar manner in the digital media. However, in some cases, a three-dimensional (3D) model may depict an object under lighting conditions that differ from the lighting conditions depicted in other digital media. The present disclosure provides systems and methods for generating 3D models to include lighting that is consistent with the lighting used in other digital media. According to an embodiment, a lighting template is determined based on digital media depicting a first physical object. A modified 3D model of a second physical object is then generated based on the lighting template to light the second physical object according to the lighting template.