Image Registration via Touch Panel Edge Extraction

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Solution Overview

Problem

Conventional image processing techniques face difficulties in extracting and setting geometrical information effectively for image registration, requiring complex operations and high learning levels.

Innovation Solution

An image processing apparatus with a display unit and input unit, allowing operators to easily register and edit geometrical information by displaying input images, extracting edge images, and adding or deleting graphic elements using a touch panel or pointing device, facilitating the production of a master model.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional image processing techniques are used to extract geometrical information, then image registration can be performed, but the operation complexity and learning level required increase significantly

Engineering Contradiction:
Improveimage registration accuracyVSAvoidoperation simplicity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system automatically extracts edge images and generates master models without requiring operators to manually define extraction parameters or conditions. The automated edge extraction and master model generation processes perform self-service operations, eliminating the need for complex manual configuration while maintaining registration accuracy.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system changes the parameter extraction approach from manual specification to automated detection. By transforming the problem into automated edge detection and master model generation, the system maintains high registration accuracy while significantly reducing operational complexity and learning requirements.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If automated edge extraction is used to create master models, then extraction speed improves, but the quality and relevance of extracted geometrical information deteriorates

Engineering Contradiction:
Improveextraction speedVSAvoidgeometrical information quality
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The system incorporates feedback mechanisms where the extracted edge images and master models are validated and refined through iterative processes. The automated extraction is supplemented by verification steps that ensure the quality and relevance of extracted geometrical information, maintaining both speed and precision.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs preliminary automated edge extraction to create initial master models quickly, then applies refinement processes to ensure quality. This preliminary action approach allows for fast extraction while maintaining precision through subsequent validation and refinement steps.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS8712164B2Image processing apparatus, image registering method, program causing computer to execute image registering method, and recording medium in which program is recorded
Publication Date: 2014.04.29 OMRON CORP
  • US8712164B2 patent drawing
  • US8712164B2 patent drawing
  • US8712164B2 patent drawing

AI summary

An image processing apparatus according to an aspect of the invention includes an LCD touch panel and a central control circuit. The LCD touch panel includes a display unit and an input unit. The central control circuit which is of an image processing unit performs a searching process for searching a portion having high similarity between a registered image and a processing target image and a registering process for producing and registering the registered image. The central control circuit deals with an input image as the processing target image when the searching process is to be performed, the central control circuit causes the display unit to display the input image when the registering process is performed, and the image processing unit draws an image used to produce the registered image unit based on operation of the input unit while overlapping the image with the input image displayed on the display.