Iterative Optimum Thresholding
2016-08-23
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Simplest form of segmentation is thresholding. Global thresholding. In optimal thresholding, a criterion is devised to yield some measure of separation between regions function. Two regions are consider to be the foreground and background. in Otsu Method, Based on selecting the lowest point between two classes, Analysis of the variance, The variation of the mean values for each class from the overall intensity mean of all pixels defines a
between-classes variance.
Algorithm
- Compute histogram and probabilities of each intensity level
- Set up initial and
- Step through all possible thresholds
matlab
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