Reference frame selection in a hardware-based HEVC encoder

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概要

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• The multiple-reference-frame motion estimation (ME) is one of the features to improve the compression efficiency. However, the computational complexity for prediction increases in proportion to the number of reference frames. This paper proposes the reference frame selection algorithm for a hardware-based HEVC encoder. The integer-ME explores multiple reference frames to find the best one and the fractional ME is then performed for the best reference frame which is determined by the IME. Simulation results show that a significant time saving of 74% is achieved with a negligible drop in compression efficiency.

著者

• Lee Hyuk-jae

  Inter-university Semiconductor Research Center Department Of Electrical Engineering Seoul National U

• Rhee Chae

  Inter-university Semiconductor Research Center, Department of Electrical Engineering, Seoul National University

関連論文

• An H.264/AVC Decoder with Reduced External Memory Access for Motion Compensation
• Reference frame selection in a hardware-based HEVC encoder
• Early Decision of Prediction Direction with Hierarchical Correlation for HEVC Compression

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