Dynamic Surface Inspection Range Adjustment for Quality Assessment
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Solution Overview
Problem
Existing surface inspection apparatuses face challenges in accurately calculating the quality of a surface due to fixed inspection ranges that can include noise and irrelevant information, leading to susceptibility to defects of interest being overshadowed by other surface features.
Innovation Solution
A surface inspection apparatus with an imaging device and processor that allows for dynamic adjustment of the inspection range, enabling more precise calculation of surface quality by focusing on specific areas of interest and minimizing the influence of irrelevant features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a fixed inspection range is used, then the inspection process is simple and fast, but the calculated numerical value is susceptible to noise and affected by irrelevant information
Solution Approach 1:
The inspection range is made dynamically adjustable rather than fixed. Users can change the range according to the size and position of defects of interest, allowing the system to adapt to different inspection scenarios while maintaining both speed and accuracy.
Solution Approach 2:
The system allows users to focus the inspection range on specific local areas where defects are suspected or expected. This enables targeted inspection that excludes irrelevant information from other areas, improving measurement precision without sacrificing overall inspection efficiency.
2Device complexity
If a fixed inspection range is used, then the device complexity is low, but the range may include structural unevenness and other defects that affect the calculated numerical value
Solution Approach 1:
The inspection range transitions from a fixed parameter to a dynamic, user-adjustable parameter. This allows the system to adapt to different inspection scenarios and reliably focus on the specific areas where quality assessment is needed, excluding irrelevant structural unevenness and defects.
Solution Approach 2:
The system provides visual feedback through displayed images showing the current inspection range and calculated numerical values. Users can review the results and adjust the range if necessary, ensuring that the quality assessment accurately reflects the specific areas of interest.
3Measurement precision
If the inspection range is narrowed to focus on defects of interest, then the measurement precision improves, but the inspection time increases
Solution Approach 1:
The system allows users to dynamically adjust the inspection range based on the specific inspection needs. When high precision is required for small defects, users can narrow the range accordingly. The system processes images at different speeds depending on the range size, balancing precision requirements with inspection time constraints.
Data Source
AI summary
A surface inspection apparatus includes an imaging device configured to image a surface of an object to be inspected, and a processor configured to: calculate a numerical value representing a quality of the surface by processing an image captured by the imaging device, and receive a change in a range used to calculate the numerical value indicated by an index in the image.