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Multiple priority region of interest coding with H.264

Author:
Agrafiotis, Dimitris  Bull, David R.  Canagarajah, Nishan  Kamnoonwatana, Nawat  


Journal:
2006 IEEE International Conference on Image Processing, ICIP 2006, Proceedings


Issue Date:
2006


Abstract(summary):

This paper describes a modified rate control algorithm for H.264 that can accommodate multiple priority levels given a region of interest (RoI). The modified method allows better control of the quality of the RoI and gradual variation of the quality in the rest of the video frame through a bit redistribution process that is based on a number of parameters, including characteristics of the RoI, user input and perceptual factors.


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