Research Article

Multiple Description Coding Using Data Hiding and Regions of Interest for Broadcasting Applications

Table 1

Set of parameters for ROI coding.

Param Description Range n.bits

Identifies D1 or D2 BOOL 1
N MBs in the horizontal grid [1–8] 3
M MBs in the vertical grid [1–8] 3
ROI Activate ROI BOOL 1
or Set low quality quantizer [1–max] 6
Start of ROI in X (%) [1–100] 7
Start of ROI in Y (%) [1–100] 7
End of ROI in X (%) [1–100] 7
End of ROI in Y (%) [1–100] 7
( ) ( ) [0–max] 6

Total required bits 48