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Histogram equalisation (HE) methods using the 2D histogram (2DH) have achieved a great success in contrast enhancement. The 2DH is constructed by using the occurrence of a local pixel pair (LPP) consisting of each pixel and its surrounding pixels. However, the 2DH-based methods often produce over-stretching artefacts because the low-textured regions primarily existing in the image induce a spike at...
Proposed is a fast encoding algorithm which avoids the repetition of the motion estimation process in the current scalable video coding (SVC) codec. Experimental results show that the proposed algorithm can reduce encoding time by 29.69-37.80%, while the coding performance of the SVC codec adopting the proposed algorithm is exactly the same as that of the original one.
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