Image Processing Apparatus Edge Window Segmentation
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Solution Overview
Problem
Existing image processing apparatuses face complexity in setting edge windows, particularly when dealing with workpieces having sharp ends or varying properties, leading to inaccurate edge detection and the need for external devices for statistical processing.
Innovation Solution
The apparatus fragments the edge window into multiple window elements, allowing for flexible edge detection and internal calculation of edge-related information without requiring external devices, using a single setting operation for edge window scanning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the number of edge windows is increased to improve edge detection accuracy, then measurement precision improves, but device complexity and ease of operation worsen
Solution Approach 1:
The patent divides a single edge window into multiple window elements (e.g., four quadrants) that can be independently processed. This segmentation allows the system to maintain high measurement precision by analyzing multiple regions while reducing the complexity of setting and managing multiple separate edge windows, as all window elements are processed within a unified window structure.
2Measurement precision
If a narrow edge window is set to detect sharp ends accurately, then measurement precision improves, but adaptability worsens
Solution Approach 1:
By segmenting the edge window into multiple window elements, the system can apply narrow window analysis for sharp end detection while maintaining the overall window structure's adaptability to position variations. Each window element can be independently adjusted or processed to accommodate different workpiece positions and properties.
Solution Approach 2:
The patent enables dynamic adjustment of window element properties based on the detected workpiece characteristics. The system can adaptively modify window element size, position, or processing parameters in response to image pickup position variations or workpiece property differences, maintaining both precision and adaptability.
3Adaptability or versatility
If multiple edge windows are set to handle varying workpiece properties, then adaptability improves, but ease of operation worsens
Solution Approach 1:
The patent creates a universal edge window structure that can handle multiple workpiece types and properties through its window elements. Instead of requiring users to set multiple separate edge windows for different workpieces, the system provides a single multi-functional window that can adapt to various conditions, significantly improving ease of operation while maintaining adaptability.
4Measurement precision
If external statistical processing is used to analyze edge data, then measurement precision improves, but device complexity and ease of operation worsen
Solution Approach 1:
The patent merges the edge detection function with the statistical processing function into a single integrated system. The image processing apparatus internally calculates edge related information (maximum edge width, edge position, number of edges) by processing data from multiple window elements, eliminating the need for separate external statistical processing devices and simplifying system configuration.
Data Source
AI summary
Plural window elements are set in one edge window, and edge detection is performed every each the window element, and calculation and determination about its result are made inside an image processing apparatus. A user can freely set a width of the window element and a distance between the adjacent window elements.