Noise-robust color edge detection using anisotropic morphological directional derivative matrix.
Ou LiPeng-Lang ShuiPublished in: Signal Process. (2019)
Keyphrases
- edge detection
- image processing
- anisotropic diffusion
- image noise
- multiscale
- color images
- morphological operations
- noise reduction
- noise removal
- intensity gradient
- image edges
- image enhancement
- noisy environments
- zero crossing
- spatially variant
- mathematical morphology
- salt pepper
- color information
- morphological filters
- edge detector
- directional filtering
- directional information
- multiple cues
- estimation error
- signal to noise ratio
- noise level
- color space
- structuring elements
- missing data
- noise estimation
- figure of merit
- lighting variations
- region growing
- noisy images
- gradient information
- structure tensor
- openings and closings
- noise elimination