MATLAB Implementation of Image Binarization Using Niblack Algorithm
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Resource Overview
This MATLAB implementation demonstrates image binarization via the Niblack algorithm, featuring local threshold computation and adaptive processing for grayscale-to-binary conversion. Includes code structure explanation and practical usage examples.
Detailed Documentation
If you're interested in image binarization, consider implementing the Niblack algorithm for processing. The Niblack method is a widely-used image binarization technique that determines thresholds based on local pixel intensity statistics to convert grayscale images into binary black-and-white representations.
Key implementation aspects in MATLAB include:
- Calculating local mean and standard deviation using sliding window operations
- Implementing the threshold formula: T = m + k*s, where m is local mean, s is standard deviation, and k is a user-defined parameter
- Utilizing matrix operations for efficient neighborhood processing instead of loops
- Applying morphological operations for post-processing if needed
You can create a MATLAB function that accepts parameters like window size and k-value for customization. For detailed implementation examples and optimized code structures, refer to relevant academic literature or image processing tutorials. This implementation serves as a practical reference for adaptive thresholding techniques in digital image processing.
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