Multi-Modal Medical Image Coordinate Projection for Depth Information
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Solution Overview
Problem
Current medical imaging technologies, such as ultrasound and endoscopy, lack the ability to provide comprehensive and accurate depth information during intraoperative interventions, making it difficult for surgeons to assess and plan procedures effectively, especially when dealing with complex tissues like tumors.
Innovation Solution
A method that combines images from different medical devices, like endoscopy and ultrasound, by projecting coordinates from one image system into another, allowing for perspective-correct integration and providing depth information, which enhances the surgeon's understanding of the operation area by overlaying or replacing image points from one device's image with corresponding coordinates from another, thereby creating a more informative and accurate combined image.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If single-modality imaging (endoscopy or ultrasound) is used, then the imaging process is simple, but depth information and comprehensive tissue assessment are insufficient
Solution Approach 1:
The patent combines endoscopy images and ultrasound images into a single composite image, merging the surface visual information from endoscopy with the depth information from ultrasound. This allows surgeons to simultaneously view both modalities without switching between devices, resolving the information loss while managing complexity through integrated processing.
Solution Approach 2:
The patent overlays two-dimensional endoscopy images with ultrasound images that provide depth information, effectively adding a third dimension to the visual assessment. The coordinate transformation and perspective correction techniques enable the integration of depth data into the 2D endoscopic view, providing comprehensive spatial information.
2Measurement precision
If multiple imaging devices are used simultaneously, then comprehensive depth information is provided, but coordinate alignment and image integration become complex
Solution Approach 1:
The patent introduces a coordinate transformation system that acts as an intermediary between the endoscopy and ultrasound imaging systems. This mediator performs perspective correction and coordinate alignment, transforming coordinates from one system to another while maintaining accurate spatial relationships, thus enabling precise depth measurement without direct complex integration of the two devices.
Solution Approach 2:
The patent transforms coordinates between different reference frames and adjusts perspective parameters to align images from different modalities. By changing the coordinate system parameters and applying perspective correction transformations, the system achieves accurate spatial alignment while managing the complexity of multi-device integration.
3Manufacturing precision
If coordinate projection and perspective correction are applied, then accurate image integration is achieved, but processing time and computational complexity increase
Solution Approach 1:
The patent performs coordinate transformation and perspective correction in advance during the image integration process, rather than requiring real-time complex calculations during surgical procedures. By pre-processing the coordinate alignment and perspective corrections, the system reduces processing time during critical surgical moments while maintaining integration accuracy.
Data Source
AI summary
A method and a device for displaying an object, in particular biological tissue. The method has the following steps: a) generating a first image of at least one sub-region of the object using a first device; b) generating a second image of at least one sub-region of the object using a second device; c) ascertaining first coordinates of at least some image points of the second image in a first coordinate system; d) ascertaining second coordinates of the image points of the second image by projecting the first coordinates in a second coordinate system which is different from the first coordinate system and which is assigned to the first device; and e) generating a combined image of the object from the first and the second image using the ascertained second coordinates of the image points of the second image.