3D Model Segmentation for Workpiece and Jig Separation
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Solution Overview
Problem
Conventional three-dimensional model creation technologies for interference checks between machine tools and workpieces are inefficient as they require manual creation of separate models for workpieces and jigs, leading to increased time and labor, and fail to distinguish between the two objects within integrated models.
Innovation Solution
A three-dimensional model creation device that automatically creates individual models of a workpiece and a jig by dividing an integrated model using extension planes, identifying two-dimensional regions based on luminance or color information, and tagging projections to separate the objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If three-dimensional models are created manually by operators for each machining process, then the accuracy and separability of workpiece and jig models are ensured, but the time and labor required for model creation increase significantly
Solution Approach 1:
The system uses image data as a copy of the actual workpiece and jig to automatically generate three-dimensional models, eliminating the need for manual CAD modeling while maintaining accuracy through image-based reconstruction
Solution Approach 2:
The system performs automatic model creation and object separation without requiring operator intervention, allowing the process to serve itself through automated image processing and algorithmic segmentation
2Ease of manufacture
If an integrated three-dimensional model is created from image data, then the model creation process is simplified and automated, but the ability to distinguish between workpiece and jig is lost
Solution Approach 1:
The system segments the integrated three-dimensional model into separate workpiece and jig models by analyzing two-dimensional region information from image data, automatically dividing the combined model into distinct object models without manual intervention
Solution Approach 2:
The system uses two-dimensional region information from image data to differentiate and separate objects within the three-dimensional integrated model, leveraging dimensional projection and comparison to maintain object discrimination capability
3Measurement precision
If separate images of workpiece and jig are captured in attached and non-attached states, then individual models can be created accurately, but the process cannot be fully automated and requires significant operator effort
Solution Approach 1:
The system uses a single integrated modeling approach that handles both workpiece and jig simultaneously from one set of image data, making the process universally applicable without requiring separate capture procedures for different objects
Solution Approach 2:
The system uses two-dimensional region information from image data as feedback to guide the automatic separation of the integrated three-dimensional model, creating a closed-loop process that automatically distinguishes between workpiece and jig based on visual characteristics
Data Source
AI summary
A three-dimensional model creator creates individual models indicative of individual shapes of at least two objects from an integrated model created based on data obtained by imaging or measuring the objects together. The three-dimensional model creator creates a plurality of division models by dividing the integrated model with extension planes obtained by extending surfaces that define the integrated model, identifies two-dimensional regions in which the objects exist individually, based on the obtained data, tags the division models based on projections of the division models and the two-dimensional regions, and creates the individual models of the objects from the tagged division models.