3D Printing Color Voxel Interference Resolution
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Solution Overview
Problem
In three-dimensional manufacturing systems, the halftoning process often results in interference between multiple color components within a single voxel, leading to difficulties in determining the appropriate color information for voxels, which can hinder the accurate production of colored objects.
Innovation Solution
A data processing apparatus that receives and processes three-dimensional object data to convert it into color voxel data, using a halftoning process to assign color information to voxels, where interference occurs by selecting one color component for a voxel and assigning the remaining components to adjacent voxels, based on a multinary determination expression that considers distance and depth data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a halftoning process is performed for each color component, then color information can be assigned to voxels, but multiple color components interfere with each other within a single voxel
Solution Approach 1:
The patent segments the color assignment process by separating the selection of color components across different voxels. When multiple color components interfere in one voxel, the system divides them by assigning one color to the current voxel and the remaining colors to adjacent voxels, thereby resolving the interference issue through spatial segmentation
Solution Approach 2:
The patent resolves color component interference by transitioning from a single-voxel color assignment to a multi-voxel color distribution approach. By considering adjacent voxels in the spatial dimension, the system can assign interfering color components to different spatial locations, effectively resolving the interference problem through dimensional expansion
2Loss of information
If multiple color components are assigned to one voxel, then color information is preserved, but it becomes difficult to determine appropriate color information for the voxel
Solution Approach 1:
The patent applies preliminary action by pre-establishing a selection criterion (Equation 1) that compares the absolute values of color components. This predetermined rule allows the system to automatically determine which color component to assign to the current voxel and which to assign to adjacent voxels, thereby resolving the color determination complexity before the actual assignment process
Solution Approach 2:
The patent changes the parameter selection strategy by using absolute value comparison to determine color component assignment. By evaluating the magnitude of different color components and selecting based on this parameter, the system simplifies the color determination process while preserving all color information through appropriate spatial distribution
Data Source
AI summary
A data processing apparatus includes:a receiving unit: that receives first data defining a shape and a color of a three-dimensional object; anda generating unit, wherein when two or snore color components interfere with each other in one voxel as a result of performing a halftoning process for each of plural color components based on color information in the first data, the generating unit generates color voxel data by assigning any one of the two or more color components as color information of the one voxel and assigning the remaining color components of the two or more color components as color information of voxels present around the one voxel.