Research Article
Edge-Detection in Noisy Images Using Independent Component Analysis
Table 1
Objective evaluation of the proposed approach.
| Image | SNRRMS | SNRPeak | eRMS | | NLMCanny | Proposed | NLMCanny | Proposed | NLMCanny | Proposed | NLMCanny | Proposed |
| Gray-scale images | | | | | | | | | Barbara | 0.240 | 0.792 | 54.719 | 56.481 | 0.4084 | 0.4491 | 0.5256 | 0.6164 | House | 0.553 | 0.806 | 53.272 | 56.568 | 0.4185 | 0.4594 | 0.4820 | 0.7830 | Bird | 0.172 | 0.567 | 54.363 | 56.205 | 0.3880 | 0.3947 | 0.6714 | 0.6926 | Colored images | | | | | | | | | Lena | 0.226 | 0.635 | 54.213 | 56.032 | 0.4010 | 0.4691 | 0.7142 | 0.7470 | Zebra | 0.290 | 0.564 | 55.094 | 55.379 | 0.4488 | 0.4582 | 0.7322 | 0.7511 | Butterfly | 0.299 | 0.640 | 55.814 | 56.375 | 0.3649 | 0.3981 | 0.6750 | 0.6840 |
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