Research Article

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

Table 1

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

Quantization parametersSingle layer (CIF)QCIF-CIFBit-rate overhead (%)
PSNR [dB]Bit-rate [kb/s]PSNR [dB]Bit-rate [kb/s]

2240.91636.840.91713.54.5
2638.6917.238.6968.85.3
3036.5544.036.5578.15.9
3434.4332.934.4357.56.9