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Consider an 8x8 image, the grey level ranges from 0 to 7 . Segment this image using region growing and region splitting technique. Comment on the results.
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written 17 months ago by
prajapatijaimin
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Solution:
Let the predicate be,
$ \max \{g(x, y)\}-\min \{g(x, y)\}\ltt_h \text {. } $
where $t_h$ is the threshold. consider $t_h \leq 3$,
$ \begin{aligned} &\therefore P\left(R_i\right)=\max \{g(x, y)\}-\min \{g(x, y)\}\lt3 \\ &(x, y \in R)(x, y \in R) \end{aligned} $
Assume 4 connectivity Let us start with the seed pixel 6 after that select seed pixel 0 and then seed pixel 3.
| 5 | 6 | 6 | 6 | 7 | 7 | 6 | 6 |
|---|---|---|---|---|---|---|---|
| 6 | 7 | 6 | 7 | 5 | 5 | 4 | 7 |
| 6 | 6 | 4 | 4 | 3 | 2 | 5 | 6 |
| 5 | 4 | 5 | 4 | 2 | 3 | 4 | 6 |
| 0 | 3 | 2 | 3 | 3 | 2 | 4 | 7 |
| 0 | 0 | 0 | 0 | 2 | 2 | 5 | 6 |
| 1. | 1 | 0 | 1 | 0 | 3 | 4 | 4 |
| 1 | 0 | 1 | 0 | 2 | 3 | 5 | 4 |
Thus this image is segmented into 3 different regions by using a different seed point.
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