28 search results - page 3 / 6 » Block Color Quantization: A New Method for Color Halftoning |
TIP
2010
13 years 5 months ago
2010
—Compound images are a combination of text, graphics and natural image. They present strong anisotropic features, especially on the text and graphics parts. These anisotropic fea...
CVPR
1999
IEEE
14 years 9 months ago
1999
IEEE
In this work, a new approach to fully automatic color
image segmentation, called JSEG, is presented. First, colors
in the image are quantized to several representing
classes tha...
SIGGRAPH
1999
ACM
13 years 11 months ago
1999
ACM
A multi-color dithering algorithm is proposed, which converts a barycentric combination of color intensities into a multi-color nonoverlapping surface coverage. Multi-color dither...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
This paper presents an efficient compound image compression approach based on H.264/AVC intra coding. The text blocks are distinguished from the picture blocks and compressed with...
Presentation
The Discrete Pascal Transform (DPT) has been proved remarkably useful for edge detection, filter design, discrete-time signal interpolation and data hiding. In the present work a n...