Feature extraction of edge by directional computation of gray-scale variation.
Keun-Chung KimDoo-Young KimJake K. AggarwalPublished in: ICPR (1998)
Keyphrases
- gray scale
- feature extraction
- gray scale images
- binary images
- color images
- gray level
- grayscale images
- mathematical morphology
- morphological operations
- bi level
- image processing
- edge detection
- edge information
- inverse halftoning
- edge detector
- error diffusion
- texture analysis
- feature vectors
- directional filtering
- feature selection
- histogram equalization
- multiscale
- gaussian markov random field
- high quality
- video camera
- multiresolution
- wavelet transform
- frequency domain
- digital images