Median-based zero-crossing edge detectors for closely spaced edges.
Ireneusz DeféeYrjö NeuvoPublished in: CVGIP Graph. Model. Image Process. (1991)
Keyphrases
- edge detector
- zero crossing
- closely spaced
- edge detection
- gray level
- scale space
- step edges
- edge pixels
- edge map
- edge detection algorithm
- edge detection algorithms
- edge linking
- signal to noise ratio
- laplacian operator
- differential operators
- detected edges
- image processing
- gradient magnitude
- median filter
- multiresolution
- multiscale