Image edge detection based on the grey prediction model and discrete wavelet transform.
Qiuping WangTiepeng WangKe ZhangPublished in: Kybernetes (2012)
Keyphrases
- discrete wavelet transform
- grey prediction model
- improved algorithm
- wavelet domain
- multiresolution
- subband
- high frequency
- shift invariant
- wavelet coefficients
- image fusion
- jpeg compression
- haar wavelet transform
- dual tree complex wavelet transform
- fusion method
- feature vectors
- low frequency
- lifting scheme
- dual tree
- image processing
- median filtering
- coarse to fine
- denoising
- feature extraction