Efficient Region-of-Interest Scalable Video Coding with Adaptive Bit-Rate Control
Figure 9
(a) Defining two or more layers with corresponding QPs. The QP of the background region in Layer 1 is determined adaptively by the proposed bit-rate control; (b) CIF ROI is used as base-layer (Layer 0), and 4CIF (SD) is used as an enhancement layer (Layer 1). The intra/inter-prediction is used for reducing the overall bit-rate.
