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In this paper, a hardware-oriented fast fractional motion estimation (FME) algorithm for H.264/AVC is proposed. For both 1/2-pixel and 1/4-pixel FME, only 4 points are searched, and thus the required processing unit (PU) number is reduced from 9 to 4. Experiments show that the proposed algorithm can provide very similar image quality as full search, and the average PSRN drop is 0.17dB or bitrate increase...
In this paper, a fast motion estimation algorithm, which is friendly to VLSI hardware implementation is proposed. This algorithm has such features: First, through "Haar" low-pass filter based subsampling, the computation complexity at each search position is reduced to about 25% of the original algorithm; Second, one modified motion vector prediction is provided to eliminate the data dependence...
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