95 search results - page 8 / 19 » Frame permutation quantization |
ICMCS
2007
IEEE
14 years 1 months ago
2007
IEEE
In this paper, we study the security of an image scrambling algorithm based on Space-Filling Curves (SFC). A random SFC is a pixel permutation that changes the scanning order with...
PCM
2004
Springer
14 years 25 days ago
2004
Springer
The paper presents a novel video watermarking scheme called Mapping Energy video Watermarking (MEW) for copyright protection. The watermark is embedded in the compressed domain and...
ICPR
2002
IEEE
14 years 13 days ago
2002
IEEE
In this paper we describe a method of learning hierarchical representations for describing and recognizing gestures expressed as one and two arm movements using competitive learni...
DCC
2000
IEEE
13 years 12 months ago
2000
IEEE
This paper contains two contributions to very-low-bitrate video coding. First, we show that in contrast to common practice incremental techniques for rate-distortion optimization ...
DCC
2010
IEEE
14 years 2 months ago
2010
IEEE
Current video coding schemes employ motion compensation to exploit the fact that the signal forms an auto-regressive process along the motion trajectory, and remove temporal redun...