Keyphrases
- error diffusion
- inverse halftoning
- quantization error
- gray scale
- continuous tone images
- halftoning algorithm
- image quality
- halftone images
- error diffused images
- image data
- gray level
- input image
- image features
- gray scale images
- single image
- noise shaping
- low level
- image classification
- template matching
- multiscale
- human visual system
- image retrieval
- binary images
- mid frequency
- color reproduction
- gray value
- image segmentation
- image quality assessment
- quantization noise
- computer vision
- co occurrence
- color images
- high level