5 search results - page 1 / 1 » FM halftoning via block error diffusion |
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
Error diffusion halftoning is a popular method of producing frequency modulated (FM)halftones. In FM halftoning the dot size and shape is fixed (equal to one pixel) and the dot fr...
INFORMATICALT
2007
13 years 4 months ago
2007
This paper proposes a reversible data hiding method for error diffused halftone images. It employs statistics feature of pixel block patterns to embed data, and utilizes the HVS ch...
PICS
2003
13 years 6 months ago
2003
Error-diffusion and its variants are commonly used halftoning techniques that produce dispersed dot (FM) halftones, which are often preferred because they are free from low-freque...
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...
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...