3D Image Display Method Using Common Coordinate System for Endoscope Data Integration
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Solution Overview
Problem
Existing methods for generating three-dimensional (3D) data of inspection targets often result in fragmented data due to issues like sudden movement of the endoscope, halation, or interruptions in video recording, making it difficult to maintain a single piece of data for the widest possible region of the inspection target.
Innovation Solution
A three-dimensional image display method that acquires first and second 3D data with different coordinate systems, converts these into a common coordinate system using structure information related to the geometric structure of the subject, and displays the images in this common system, thereby connecting disparate data pieces and generating a comprehensive 3D image of the inspection target.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If multiple pieces of 3D data are generated due to endoscope movement, halation, or recording interruptions, then data completeness is improved, but data integration difficulty increases
Solution Approach 1:
The patent introduces a common coordinate system as an intermediary framework to connect multiple 3D data pieces. Each 3D data piece is converted into the common coordinate system using its own coordinate system information, allowing seamless integration without direct complex transformations between every pair of data pieces. This mediator approach simplifies the integration process while maintaining data completeness.
Solution Approach 2:
The patent accepts and utilizes segmented 3D data pieces generated during inspection, rather than attempting to prevent segmentation. Each segment is processed independently with its own coordinate system, then integrated through conversion to the common coordinate system. This approach maintains data quality within each segment while enabling comprehensive coverage through integration.
2Adaptability or versatility
If 3D data are divided into multiple pieces due to inspection issues, then data acquisition flexibility is improved, but visualization accuracy deteriorates
Solution Approach 1:
The common coordinate system serves as a mediator that preserves measurement precision during integration. By converting each 3D data piece into this unified framework using its original coordinate system information, the patent maintains the accuracy of position information while enabling flexible data acquisition across multiple segments.
Solution Approach 2:
The patent transitions from managing multiple independent 3D coordinate systems to a single unified common coordinate system. This dimensional unification allows flexible acquisition of multiple data pieces while maintaining visualization accuracy through consistent spatial reference, effectively resolving the contradiction between flexibility and precision.
3Productivity
If coordinate systems are not unified, then data processing speed is improved, but data integration capability deteriorates
Solution Approach 1:
The patent performs preliminary conversion of each 3D data piece into the common coordinate system during the data acquisition phase. This preliminary action ensures that when multiple data pieces need to be integrated, the coordinate transformation work is already completed, maintaining processing speed while guaranteeing coherent 3D image output.
Solution Approach 2:
By establishing the common coordinate system as a mediator beforehand, the patent enables efficient data integration without sacrificing coherence. The intermediary framework is prepared in advance, allowing rapid conversion and integration of multiple 3D data pieces while ensuring they form a coherent unified 3D image.
Data Source
AI summary
In a three-dimensional image display method, a processor acquires first three-dimensional data and second three-dimensional data of a subject from a recording medium. The processor converts a first three-dimensional coordinate system of the first three-dimensional data and a second three-dimensional coordinate system of the second three-dimensional data into a three-dimensional common coordinate system on the basis of structure information related to a geometric structure of the subject. The processor displays an image of the first three-dimensional data in the common coordinate system and an image of the second three-dimensional data in the common coordinate system on a display.