Ulcerative Colitis Image Processing Using Violet Light Analysis
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Solution Overview
Problem
Current endoscopic image processing technologies face challenges in accurately determining the stage of ulcerative colitis, particularly when the distance between the endoscope and the mucosa is long, leading to low image resolution and difficulty in assessing biological features like blood vessels and hemorrhages.
Innovation Solution
An image processing device and method that acquire and analyze medical images using a processor to determine the stage of ulcerative colitis by calculating index values and classifying denseness of blood vessels and hemorrhages based on imaging conditions and frequency characteristics, employing violet light with a central wavelength of 410 nm for enhanced image processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the distance from the endoscope to the mucosa is long, then the field of view is larger, but the image resolution deteriorates and biological features cannot be accurately assessed
Solution Approach 1:
The patent segments the image processing into multiple stages: first acquiring an overview image to identify regions of interest, then selectively processing those regions with higher magnification and resolution to assess biological features while maintaining overall context
Solution Approach 2:
The patent transitions from two-dimensional image analysis to three-dimensional assessment by evaluating multiple parameters including vessel density, vessel caliber, hemorrhage presence, and mucosal morphology to compensate for distance-related resolution loss
2Device complexity
If standard endoscopic imaging is used, then the imaging process is simple, but the accuracy of ulcerative colitis stage determination deteriorates
Solution Approach 1:
The patent performs preliminary image acquisition and basic processing to identify characteristic features of ulcerative colitis before proceeding to detailed analysis, ensuring that diagnostic accuracy is established through systematic evaluation of multiple parameters
Solution Approach 2:
The patent changes multiple imaging parameters including magnification level, focal length, and image processing algorithms to optimize the determination of ulcerative colitis stages while maintaining a manageable imaging process
Data Source
AI summary
An image processing device includes a processor, and the processor decides whether or not to perform image processing on the medical image on the basis of an imaging condition of the medical image and/or an image analysis result obtained by analyzing the medical image. The processor performs, for the medical image on which the processor has decided to perform the image processing, at least one of calculation of an index value related to a stage of ulcerative colitis, determination of the stage of the ulcerative colitis, or determination of remission or non-remission of the ulcerative colitis on the basis of denseness of superficial blood vessels, intramucosal hemorrhage, and extramucosal hemorrhage that are obtained from the medical image.