Effect of sampling, quantization and noise on the performance of the second directional derivative edge detector.
Johan De VriendtPublished in: Multidimens. Syst. Signal Process. (1995)
Keyphrases
- edge detector
- zero crossing
- band limited
- figure of merit
- edge detection
- signal to noise ratio
- gray level
- gaussian filter
- step edges
- scale space
- edge orientation
- noise reduction
- laplacian operator
- edge pixels
- thresholding methods
- smoothing filter
- gradient vector
- morphological filtering
- sar images
- detected edges
- edge detection algorithms
- region segmentation
- edge map
- wavelet transform
- multiscale
- edge detection algorithm
- high pass
- edge points
- gaussian noise
- frequency domain
- image quality
- similarity measure