Table flower_cif.y4m sequence quality metrics Bitrate (kbps) Bitrate (kbps) when HM YUV-PSNR YUV-PSNR when when original decoded when JM transcoder video is QP video is encoder output output directly encoded compared with compared with encoded using original video original video using JM transcoder 22 3627.96 3839.43 41.2255 40.0682125 27 2012.26 2189.5 36.677875 35.7469375 32 993.01 1140.71 32.179625 31.459325 37 456.1 534.44 28.382875 27.561575 Table football_cif.y4m sequence quality metrics Bitrate (kbps) Bitrate (kbps) when HM YUV-PSNR YUV-PSNR when when original decoded when JM transcoder video is QP video is encoder output output directly encoded compared with compared with encoded using original original video using JM transcoder 22 3721.92 3714.19 41.38525 39.989525 27 2191.82 2141.81 37.561375 36.1615875 32 1211.88 1151.46 33.784875 32.457825 37 616.04 563.92 30.308375 29.0795375 Peak-Signal-To-Noise-Ratio (PSNR) versus Quantization Parameter (QP) Figure PSNR (dB) versus QP for akiyo_cif.y4m —:
Table flower_cif.y4m sequence quality metrics QP Bitrate (kbps) when original video is directly encoded using JM Bitrate (kbps) when HM decoded video is encoded using transcoder YUV-PSNR when JM encoder output compared with original video YUV-PSNR when transcoder output compared with original video 22 3627.96 3839.43 41.2255 40.0682125 27 2012.26 2189.5 36.677875 35.7469375 32 993.01 1140.71 32.179625 31.459325 37 456.1 534.44 28.382875 27.561575 Table football_cif.y4m sequence quality metrics QP Bitrate (kbps) when original video is directly encoded using JM Bitrate (kbps) when HM decoded video is encoded using transcoder YUV-PSNR when JM encoder output compared with original YUV-PSNR when transcoder output compared with original video 22 3721.92 3714.19 41.38525 39.989525 27 2191.82 2141.81 37.561375 36.1615875 32 1211.88 1151.46 33.784875 32.457825 37 616.04 563.92 30.308375 29.0795375 Peak-Signal-To-Noise-Ratio (PSNR) versus Quantization Parameter (QP) Figure —: PSNR (dB) versus QP for akiyo_cif.y4m