6103 search results - page 746 / 1221 » Multimedia Retrieval Algorithmics |
121
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ISM
2006
IEEE
15 years 10 months ago
2006
IEEE
Currently, most quantization based data hiding algorithms are built assuming specific distributions of attacks, such as additive white Gaussian noise (AWGN), uniform noise, and s...
135
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VRML
2006
ACM
15 years 10 months ago
2006
ACM
The availability of more powerful mobile devices, sometimes equipped with graphics accelerators, is making it easier to experiment with mobile 3D graphics. In this paper, we explo...
ICMCS
2005
IEEE
15 years 10 months ago
2005
IEEE
This paper investigates performance measures of adaptive echo cancellers for packet-based telephony. It is shown that steady-state echo return loss enhancement (ERLE) does not acc...
142
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ICMCS
2005
IEEE
15 years 10 months ago
2005
IEEE
Abstract Secure video communication on mobile handheld devices is challenging mainly due to (a) the significant computational needs of both video coding and encryption algorithms ...
157
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ICMCS
2005
IEEE
15 years 10 months ago
2005
IEEE
In this paper an optimized and efficient technique for keyframes extraction of video sequences is proposed, which leads to selection of a meaningful set of video frames for each g...