Research Article

Efficient Region-of-Interest Scalable Video Coding with Adaptive Bit-Rate Control

Table 2

Three-layer (CIF-SD) spatial SVC coding versus single layer (4CIF/SD) coding (“SOCCER” video sequence, 30 fps, 300 frames, GOP size is 16).

Quantization parametersSingle layer (4CIF/SD)CIF-SDBit-rate overhead (%)
PSNR [dB]Bit-rate [kb/s]PSNR [dB]Bit-rate [kb/s]

2241.05663.340.95870.73.5
2638.83054.938.73190.64.3
3036.81770.236.71860.24.8
3434.81071.334.71137.05.8