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Components reduced and increased in the image (considering the participation of low and high frequency in the image) after the post-processing of selected filters, as revealed by the Fourier transform
| Filter | Component size reduced (low frequencies) | Component size increased (high frequencies) |
|---|---|---|
| Caries 1 | 100–66% | 1–66% |
| Caries 2 | 100–66% | 1–66% |
| Endo | 100–80% | 1–80% |
| Fine | 100–50% | 1–50% |
| Perio | 100–90% | 1–90% |
| Sharpen 1 | 100–60% | 1–60% |
| Sharpen 2 | 1–15% | |
| Sharpen 3 | 1–7% | |
| Sharpen 4 | 1–7% |
