Image Sharpening by DWT-Based Hysteresis.
Nuhman ul HaqKhizar HayatNeelum NoreenWilliam PuechPublished in: ACIVS (2011)
Keyphrases
- image sharpening
- discrete wavelet transform
- error diffusion
- color images
- digital camera
- multiresolution
- image watermarking
- wavelet transform
- adobe photoshop
- gray scale
- subband
- low pass
- high frequency
- wavelet domain
- image quality
- frequency domain
- scanned images
- wavelet coefficients
- low frequency
- computer vision
- gray level
- feature vectors
- image enhancement
- digital images
- image processing