28 search results - page 1 / 6 » Block Color Quantization: A New Method for Color Halftoning |
ICIP
2000
IEEE
14 years 6 months ago
2000
IEEE
An important halftoning problem faced in the design of many color printers and copiers is to represent a 24-bit color image by a small number of preset output colors, generally at...
TIP
2010
12 years 11 months ago
2010
- In this report, we investigate the application of Direction Adaptive-Partitioned Block Transform (DA-PBT) to color images and propose a basic framework for DA-PBT Color Image Cod...
SIGGRAPH
1994
ACM
13 years 9 months ago
1994
ACM
Rotated dispersed-dot dither is proposed as a new dither technique for digital halftoning. It is based on the discrete one-to-one rotation of a Bayer dispersed-dot dither array. D...
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
This paper introduces a color visual cryptography encryption method that produces meaningful color shares via visual information pixel (VIP) synchronization and error diffusion ha...
ICIAR
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. It is well-known that the lossless compression of color-indexed images can be improved if a suitable reordering of the palette is performed before encoding the images. In...