Defect Overlay Display Control for Infrastructure Image Inspection
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Solution Overview
Problem
Existing methods for detecting defects in images of infrastructure, such as concrete structures, struggle with overlapping defects and color changes that make it difficult to comprehend the distribution pattern and defect detection results.
Innovation Solution
An image processing apparatus that controls the display of defect information based on the size of the image and defect information, using techniques like thinning, simplifying shapes, limiting rendering colors, displaying icons or character strings, and heat maps to enhance visibility and comprehension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If defect information is displayed in detail with color-coding by attribute, then the information completeness is improved, but the visibility and comprehensibility deteriorates when defects are close together or when the display size is limited
Solution Approach 1:
The patent applies dynamics by making the display method adaptable and changeable based on display size. When the display size is large, detailed defect information with color-coding is shown. When the display size is small, the system automatically switches to simplified representations such as icons or reduced detail, ensuring both information completeness and visibility are maintained under different conditions
Solution Approach 2:
The patent applies local quality by adjusting the level of detail and color-coding based on the specific display context. Different regions or levels of the interface can display different amounts of detail - overview areas show simplified representations while detailed view areas show comprehensive defect information with full color-coding by attribute
2Productivity
If multiple defect information items are displayed simultaneously, then the productivity is improved, but the difficulty of detecting and measuring increases due to overlapping and color confusion
Solution Approach 1:
The patent applies segmentation by dividing the display into different levels or layers. When multiple defects are present, the system segments the information display - showing simplified icons or reduced-detail representations for multiple defects, and only displaying full detailed information with color-coding for selected or isolated defects, preventing overlap and color confusion
Solution Approach 2:
The patent applies partial action by selectively applying detailed color-coding only where necessary. Instead of color-coding all defects equally, the system applies full detail and color-coding only to defects that need emphasis or are viewed in isolation, while using simplified representations for other defects, thus maintaining productivity without compromising defect shape discernibility
Data Source
AI summary
An image processing apparatus comprises a display control unit that displays defect information detected from an image in which an inspection target is captured, on a display unit in association with the image. The display control unit controls a method of displaying the defect information based on a display size of at least one of the image and the defect information.