HEVC intra mode selection based on Rate Distortion (RD) cost and Sum of Absolute Difference (SAD)

•The relationship between SAD and RD-cost is investigated for intra mode selection.•The ‘rate’ and ‘distortion’ requirement for a given SAD value varies with the QP.•The model is derived that is based on the rate and distortion requirement for SAD.•The overall proposed algorithm efficiently short li...

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