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High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon
Published on: June 16, 2020
Shading correction: compensation for illumination and sensor inhomogeneities
1Delft University of Technology, Delft, The Netherlands.
Current Protocols in Cytometry
|September 5, 2008
Summary
Microscope images often have shading, which can be corrected using mathematical models. This study presents methods for image shading correction, applicable with or without calibration images.
Area of Science:
- Microscopy
- Image Processing
- Computational Imaging
Background:
- Microscope images frequently display shading due to interactions between objects, illumination, and the camera.
- This shading effect is generally undesirable, particularly for quantitative microscopy applications.
- Eliminating shading is crucial for accurate image analysis and data interpretation.
Purpose of the Study:
- To develop procedures for correcting image shading artifacts.
- To address shading introduced during the image-formation process using mathematical modeling.
- To provide methods applicable in both scenarios where calibration images are available and where they are not.
Main Methods:
- Development of a simple mathematical model to describe image shading.
- Formulation of image correction procedures based on the mathematical model.
- Distinction between two correction approaches: a priori (with calibration images) and a posteriori (without calibration images).
Main Results:
- Procedures for effective image shading correction have been developed.
- The methods address shading artifacts originating from the interplay of physical imaging components.
- Successful correction is demonstrated for both a priori and a posteriori scenarios.
Conclusions:
- The developed mathematical model and procedures effectively eliminate undesirable shading in microscope images.
- Quantitative microscopy can benefit significantly from these image correction techniques.
- The presented methods offer versatile solutions for shading correction, adaptable to different data availability conditions.
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