Wavelet transforms and edge detectors on digital images.
John F. SchmeelkPublished in: Math. Comput. Model. (2005)
Keyphrases
- digital images
- edge detector
- wavelet transform
- edge detection
- zero crossing
- multiscale
- scale space
- edge detection algorithms
- gray level
- edge linking
- multiresolution
- image compression
- figure of merit
- subband
- high frequency
- wavelet coefficients
- translation invariant
- matching criterion
- wavelet domain
- low frequency
- signal to noise ratio
- edge map
- gradient vector
- step edges
- edge points
- gradient magnitude
- image processing
- edge localization