Mold Defect Display Control with Severity Emphasis
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Solution Overview
Problem
Existing mold inspection techniques fail to clearly indicate the location and severity of defects within molds, making it difficult for operators to quickly identify and address issues during the casting process.
Innovation Solution
A display control device that determines the feature amount of defects in molds through image analysis and displays them in a way that emphasizes their size, position, and severity, using methods such as superimposing markers or enlarged images on captured images, allowing operators to easily identify defects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If mold inspection is performed using conventional image capture methods, then defects can be detected, but the defects cannot be easily grasped or identified by operators due to insufficient emphasis and unclear presentation
Solution Approach 1:
The patent applies color changes by displaying defects with different colors based on their severity or type. The controller highlights defect portions using color-coded markers or overlays, making it easier for operators to distinguish and grasp defects at a glance while maintaining accurate detection capabilities
Solution Approach 2:
The patent transitions from 2D image display to a multi-dimensional presentation by adding visual emphasis dimensions such as color, size, and position markers. Defects are displayed with enlarged bounding boxes, color codes, and positional indicators that add multiple visual dimensions to the original image data, making defects more graspable
2Measurement precision
If small defects are displayed at their actual size in captured images, then measurement accuracy is maintained, but operators cannot easily identify the location and severity of defects
Solution Approach 1:
The patent segments the defect information from the original image by extracting defect portions and displaying them with separate visual markers. Each defect is identified and marked with its own bounding box, color code, and position indicator, allowing operators to clearly grasp location and severity while the system maintains accurate measurement data
Solution Approach 2:
The patent introduces visual markers and bounding boxes as intermediaries between the actual defect and the operator's perception. These markers serve as mediators that convey location, size, and severity information without altering the actual defect measurements in the captured image
3Loss of information
If comprehensive defect information is displayed, then operator understanding improves, but the display complexity and information processing load increase
Solution Approach 1:
The patent applies local quality by providing different levels of information emphasis for different defects based on their characteristics. Critical defects receive more prominent visual treatment (larger markers, brighter colors) while minor defects use subtler markers, optimizing information delivery without uniformly increasing display complexity for all defects
Data Source
AI summary
Provided is the technique that allows an operator or the like to easily grasp a defect contained in a mold. A display control device is configured to carry out: a determination process in which a feature amount of each of defects contained in a mold is determined with reference to an image obtained by image capture of a mold; and a display process in which the image is displayed on a display such that each of the defects in the image is emphasized by a method which is determined according to the determined feature amount.