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Screen content videos often have mixed content consisting of various types such as natural content, text and graphics in the same picture. To achieve high coding efficiency for this content, new coding tools are developed in the High Efficiency Video Coding (HEVC) standard Screen Content Coding (SCC) extension. Among them, intra block copy (IntraBC) allows a nonlocal intra prediction from the coded...
Screen content usually has much different motion characteristics compared with conventional videos, which makes exiting rate control schemes unsuitable. This paper analyses the motion characteristics of screen content and proposes an efficient rate control method for screen content coding, by improving the bit allocation and model parameter adaptation strategies. The proposed rate control algorithm...
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