Microscope Image Processing for Seamless Mosaic Boundaries
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Solution Overview
Problem
Existing microscope systems generate images with conspicuous boundaries between captured and uncaptured regions when partial images are pasted together, especially when white balance adjustment and shading are not adequately performed during fluorescence observation.
Innovation Solution
A microscope-image processing apparatus and method that generates a combined image by setting the pixel values of uncaptured regions based on the pixel values of rows of pixels at the edge portions of the captured-region image, making these regions similar to the background color, thereby making boundaries inconspicuous.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If partial images are pasted together to generate a combined image, then the coverage of the sample area is improved, but conspicuous boundaries appear between captured and uncaptured regions
Solution Approach 1:
The patent changes the color (pixel values) of the uncaptured region to match the background color of the captured region. Specifically, it extracts the background color from the captured images and applies it to the uncaptured region, making the boundary inconspicuous. This directly addresses the harmful effect of conspicuous boundaries while maintaining the benefit of extended sample area coverage.
Solution Approach 2:
The patent creates homogeneity between the captured and uncaptured regions by making their colors similar. It calculates the average color of the background portions in captured images and applies this uniform color to the uncaptured region, ensuring visual consistency across the entire combined image. This eliminates the harsh contrast at boundaries while preserving the mosaic structure for area expansion.
2Measurement precision
If white balance adjustment and shading correction are performed during fluorescence observation, then image quality is improved, but processing time and complexity increase
Solution Approach 1:
The patent performs white balance adjustment and shading correction in advance during the image acquisition phase, rather than as post-processing steps. By correcting these issues when the images are first captured, it eliminates the need for time-consuming post-processing operations while maintaining high image quality. This preliminary action resolves the contradiction by improving image quality without adding processing time.
Solution Approach 2:
The system performs self-correction by automatically adjusting white balance and shading during the fluorescence observation process itself. The microscope system handles these corrections inherently during image capture, making the processing efficient and eliminating the need for separate, time-consuming correction steps while ensuring high image quality.
Data Source
AI summary
A microscope-image processing apparatus including: a processor including hardware, wherein the processor is configured to implement: a captured-region-image generating portion configured to generate a captured-region image by pasting together a plurality of partial images acquired by using a microscope while changing a viewing field with respect to a sample; an uncaptured-region-color setting portion configured to set pixel values of an uncaptured region based on pixel values of rows of pixels at at least one side of the partial images that are positioned at edge portions of the captured-region image generated by the captured-region-image generating portion; and an image combining portion configured to generate a combined image by combining the captured-region image generated by the captured-region-image generating portion and an uncaptured-region image that has the pixel values set by the uncaptured-region-color setting portion.


