909 search results - page 139 / 182 » Reversible data hiding |
MOBISYS
2009
ACM
14 years 9 months ago
2009
ACM
PEIR, the Personal Environmental Impact Report, is a participatory sensing application that uses location data sampled from everyday mobile phones to calculate personalized estima...
SSWMC
2004
13 years 10 months ago
2004
Encryption and watermarking are complementary lines of defense in protecting multimedia content. Recent watermarking techniques have therefore been developed independent from encr...
ICMCS
2008
IEEE
14 years 3 months ago
2008
IEEE
We present an implementation of general FFTs for graphics processing units (GPUs). Unlike most existing GPU FFT implementations, we handle both complex and real data of any size t...
ICDCS
2006
IEEE
14 years 3 months ago
2006
IEEE
Global-scale attacks like viruses and worms are increasing in frequency, severity and sophistication, making it critical to detect outbursts at routers/gateways instead of end hos...
QEST
2005
IEEE
14 years 2 months ago
2005
IEEE
Quality of service (QoS) in streaming of continuous media over the Internet is poor, which is partly due to variations in delays, bandwidth limitations, and packet losses. Althoug...