Improved Edge Enhanced Error Diffusion Based on First-Order Gradient Shaping Filter.
Byong-Won HwangTae-Ha KangTae-Seung LeePublished in: IEA/AIE (2004)
Keyphrases
- error diffusion
- halftoning algorithm
- error diffusion halftoning
- noise shaping
- edge enhancement
- edge detection
- mid frequency
- gray scale
- image quality
- zero crossing
- least mean square
- noise reduction
- gray level
- edge map
- quantization error
- edge detector
- inverse halftoning
- blue noise
- human visual system
- edge information
- image coding
- frequency domain
- high level
- adaptive filtering
- computer vision
- gabor filters
- digital images