Inverse error-diffusion using classified vector quantization.
Jim Z. C. LaiJ. Y. YenPublished in: IEEE Trans. Image Process. (1998)
Keyphrases
- vector quantization
- error diffusion
- gray scale
- image quality
- image compression
- least mean square
- quantization error
- inverse halftoning
- gray level
- human visual system
- vector quantizer
- frequency domain
- halftone images
- codebook design
- distortion measure
- multiresolution
- human perception
- color palette
- blue noise
- visual quality
- binary images
- image data