3D Data Generation by Subtracting Solid Object Geometry
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Solution Overview
Problem
Existing methods are inadequate for generating 3D data of three-dimensional objects that need to be combined with solid objects to create target products, as they lack an efficient process for isolating the 3D data of the object from the target product.
Innovation Solution
A 3D data generating method that subtracts 3D data of the solid object from the 3D data of the target product, using 3D scanning to obtain data from real objects and optionally adding specific colors to facilitate the removal of specific portions during the scanning process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If 3D data of the target product is obtained through 3D scanning, then the complete 3D data of the target product is acquired, but the 3D data of the three-dimensional object cannot be separated from the solid object
Solution Approach 1:
The patent applies segmentation by dividing the target product into two distinct components: the solid object and the three-dimensional object. Through 3D scanning, the system obtains separate 3D data for each component, enabling independent processing and manipulation of each part's data without requiring complex separation algorithms
Solution Approach 2:
The patent extracts the 3D data of the three-dimensional object from the combined target product data by utilizing the pre-acquired 3D data of the solid object. This extraction process is simplified because both components were scanned separately, allowing direct isolation of the desired 3D data without complex computational separation
2Productivity
If manual methods are used to isolate 3D data of the three-dimensional object, then accuracy can be maintained, but the generation process becomes time-consuming and inefficient
Solution Approach 1:
The patent applies preliminary action by performing 3D scanning of both the solid object and the target product before the data isolation step. This preparatory scanning ensures that accurate 3D data for both components is already available, enabling rapid and precise extraction of the three-dimensional object's data without requiring time-consuming manual processing
Solution Approach 2:
The patent uses digital copying of 3D data from the scanned solid object to subtract from the scanned target product data. This digital copying and mathematical operation approach replaces manual isolation methods, maintaining high precision while dramatically improving productivity through automated computational processes
Data Source
AI summary
Provided is a 3D data generating method of generating 3D data of a three-dimensional object combined with a solid object to obtain a target product. This method includes obtaining 3D data of the solid object (S101), generating 3D data of the target product (S102), and subtracting the 3D data obtained in S101 from the 3D data generated in S102 to generate 3D data of the three-dimensional object (S103).