Edge Detection by Superposed-Spiral Phase Filter.
Zhe LiShengmei ZhaoLe WangBaoyu ZhengPublished in: WCSP (2020)
Keyphrases
- edge detection
- noise reduction
- recursive filtering
- optimal filter
- noise removal
- zero crossing
- canny edge detector
- gaussian filter
- image filtering
- multiscale
- edge detector
- noise elimination
- image enhancement
- anisotropic diffusion
- region growing
- directional filtering
- mathematical morphology
- signal to noise ratio
- median filter
- refinement step
- impulsive noise
- edge map
- computer vision
- preprocessing step
- real and imaginary parts
- morphological operations
- learning phase
- scale space
- wavelet transform
- image processing
- nonlinear filters
- low pass filter
- training phase
- color images
- multiresolution