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In this study, we introduce a far field-aware system on a chip (SOC) design for sound source location, which is implemented with 0.18-μm CMOS process. The adopted method for the proposed system is based on average magnitude difference function (AMDF). In order to effectively detect the acoustical source in actual environment, we integrate this system with voice active detection (VAD), which can actively...
In this paper, two hardware-oriented fast motion estimation algorithms and their implementations into a 2D systolic array for variable block size motion estimation architecture are presented. Two hardware oriented algorithms are proposed to increase the coding speed and reduce the computation complexity of the fast motion estimation (FME) algorithm. The results show that the proposed FME algorithm...
In H.264/AVC intra-frame coding, the rate-distortion optimization (RDO) is employed to select the optimal coding mode to achieve the minimum rate-distortion cost. Due to a large number of combinations of coding modes, the computational burden becomes extremely high in intra-prediction. In this paper, we propose two fast, efficient but reliable direction detection algorithms by computing subblock and...
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