Adaptive image halftoning based on wavelet transform.
Yingping ZhangMingui SunChing-Chung LiPublished in: Visual Information Processing (1993)
Keyphrases
- wavelet transform
- multiscale
- image data
- input image
- low frequency
- image features
- image representation
- image classification
- filter coefficients
- single image
- image analysis
- inverse halftoning
- color images
- image content
- wavelet decomposition
- image retrieval
- edge detection
- high frequency
- wavelet filters
- wavelet coefficients
- high resolution
- edge detection algorithm
- gray scale
- shift invariance
- image coding
- image segmentation
- contrast enhancement
- wavelet analysis
- image regions
- subband
- multiresolution
- high quality