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Presented is a coupled L∞ filter capable of simultaneously estimating model parameters for photo-geometric registration between two (or more) images. We also introduce a colour code based clustering technique to group features for fast and reliable matching. This technique is based on the CIE colour model and is invariant to illumination changes. An increase in speed of almost 2 times is observed...
Rate distortion optimization (RDO) based spatial intra prediction is an important new feature in H.264/AVC. It chooses the best mode for each MB by exhaustively examining all possible modes. Thus,drastically increased computation complexity is involved. This paper proposes an efficient fast intra mode decision algorithm.Prewitt operator is used to extract each block's two most dominant edge directions...
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