GLOBECOM
2010
IEEE
13 years 9 months ago
2010
IEEE
We propose an analytical model to assess the throughput and connection blocking rate of Opportunistic Spectrum Orthogonal Frequency Division Multiple Access network constituted of ...
JNCA
1998
13 years 11 months ago
1998
The critical issue of multimedia communications is to provide quality of service (QoS) guarantees while system resources are efficiently used. The system utilisation is usually lo...
DCC
2006
IEEE
14 years 11 months ago
2006
IEEE
H.264 is currently the best way to compress media to achieve high quality at low bandwidth. Since its inception, technologies such as video-on-demand are increasingly realizable. ...
ICIP
2002
IEEE
15 years 1 months ago
2002
IEEE
This paper describes a bit allocation algorithm that can achieve a constant bit rate when coding multiple video objects (MVO's), while improving the rate-distortion (R-D) per...
ICIP
2006
IEEE
15 years 1 months ago
2006
IEEE
In this study we propose a new approach for selective encryption in the Huffman coding of the Discrete Cosine Transform (DCT) coefficients using the Advanced Encryption Standard (...
ICIP
2007
IEEE
15 years 1 months ago
2007
IEEE
It is well known that a compression trade-off exists between the spatial and temporal video quality. Various temporal scalability techniques have been considered for lowering the ...