13 search results - page 2 / 3 » Effective Visual Masking Techniques in JPEG2000 |
ICMCS
2006
IEEE
13 years 11 months ago
2006
IEEE
Blocking artifact is the most prevailing degradation caused by block-based DCT coding techniques under low bit-rate conditions. To alleviate blockings perceptually, it is desirabl...
AVSS
2005
IEEE
13 years 10 months ago
2005
IEEE
Nowadays, many visual surveillance systems exploit PTZ camera to increase the field of view of a surveyed area. The background subtraction technique is widespread to detect movin...
ICIP
2010
IEEE
13 years 2 months ago
2010
IEEE
We present a method for embedding and detection of visual watermark patterns in printed images that use clustered-dot halftones in the printing process. The method allows two inde...
SIGGRAPH
1998
ACM
13 years 9 months ago
1998
ACM
A perceptually based approach for selecting image samples has been developed. An existing image processing vision model has been extended to handle color and has been simplified ...
CAE
2010
12 years 12 months ago
2010
We propose a simple and interactive technique for volume illustration by using the difference between the original intensity values and a low-pass filtered copy. This difference, ...