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图 1 HEVC RExt中的全444/422编码架构
Figure 1.
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图 2 P444/422编码架构
Figure 2.
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图 3 IP444/422编码架构
Figure 3.
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图 4 不同色度格式对应的帧内预测块划分方式
Figure 4.
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图 5 Bilinear模式预测
Figure 5.
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图 6 角度模式示意图
Figure 6.
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序号 序列名 短名 分辨率 比特数/样点 帧率 1 iceAerial_3840×2160_444(422)_10 bit ARL 3840×2160 10 30 2 iceRiver_3840×2160_444(422)_10 bit RVR 3840×2160 10 30 3 iceRock_3840×2160_444(422)_10 bit RCK 3840×2160 10 30 4 iceRock2_3840×2160_444(422)_10 bit RK2 3840×2160 10 30 5 Bubbles_4096×2160_24_10bit_444(422) BBE10b 4096×2160 10 24 6 Traffic_2560×1600_30_10 bit_444(422)_crop TFC10b 2560×1600 10 30 7 Bubbles_4096×2160_24_12 bit_444(422) BBE12b 4096×2160 12 24 8 Traffic_2560×1600_30_12 bit_444(422)_crop TFC12b 2560×1600 12 30 表 1 8个测试序列
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传统QP组 超高质量QP组 P444/422及IP444/422编码器,
10-bit序列41, 48, 54, 61 14, 21, 28, 34 P444/422及IP444/422编码器,
12-bit序列57, 64, 70, 77 30, 37, 44, 50 HM16.6编码器 22, 27, 32, 37 2, 7, 12, 17 表 2 两组测试QP
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序列名 QP=14, 21, 28, 34 or 30, 37, 44, 50 QP=41, 48, 54, 61 or 57, 64, 70, 77 Y U V Y U V YUV444 ARL –0.59 –71.07 –47.01 0.08 –4.42 –2.31 RVR –0.21 –25.13 –39.49 0.43 4.49 1.36 RCK 0.18 –16.67 –14.77 0.43 7.47 7.88 RK2 0.21 –27.59 –18.88 0.43 2.29 0.51 BBE10b 0.17 –48.05 –38.37 0.13 –22.79 –15.33 TFC10b 1.85 –27.33 –55.52 0.53 –6.05 –9.89 BBE12b 0.24 –28.43 –18.69 –0.14 –15.12 –8.67 TFC12b 2.12 –7.27 –21.05 0.12 –3.76 –5.52 444平均 0.50 –31.44 –31.72 0.25 –4.74 –4.00 YUV422 ARL 0.08 –32.45 –21.12 5.45 –3.48 –1.82 RVR 0.58 –18.22 –29.51 3.58 4.79 1.99 RCK 0.65 –11.52 –9.44 3.94 8.96 8.74 RK2 0.71 –21.95 –13.92 3.89 1.92 1.75 BBE10b 0.06 –19.36 –18.34 1.27 –2.63 –0.68 TFC10b 0.81 –21.35 –38.49 3.46 –2.43 –5.66 BBE12b 0.43 –8.77 –6.16 0.18 –2.98 –1.37 TFC12b 0.90 –17.14 –17.42 0.30 –1.69 –2.81 422平均 平均 0.53 –18.85 –19.30 2.76 0.31 0.02 表 3 IP444/422与P444/422实验结果比较(%)
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序列名 QP=14, 21, 28, 34 or 30, 37, 44, 50 QP=41, 48, 54, 61 or 57, 64, 70, 77 Y U V Cpsnr Y U V Cpsnr YUV444 ARL –8.91 71.73 65.46 –2.32 –13.07 64.85 58.25 –5.98 RVR –8.66 87.33 117.26 –1.61 –6.25 100.29 97.44 –0.39 RCK –6.27 65.96 68.14 –3.26 –9.45 41.87 40.87 –6.92 RK2 –6.60 78.85 82.33 –3.04 –8.97 41.30 36.70 –6.84 BBE10b –21.38 144.38 100.00 1.08 –34.36 99.20 101.21 –14.43 TFC10b –33.59 100.00 100.00 71.28 –20.12 83.45 68.89 –8.13 BBE12b –20.58 100.00 100.00 12.25 –25.99 138.27 125.42 –2.67 TFC12b –32.97 100.00 100.00 66.38 –12.85 84.05 81.61 –1.69 444平均 –17.37 93.53 91.65 17.60 –16.38 81.66 76.30 –5.88 YUV422 ARL –5.32 11.11 12.37 –3.01 –6.08 7.18 5.96 –4.22 RVR –5.67 26.32 37.23 –1.82 –2.27 13.82 17.62 –0.31 RCK –3.18 25.05 24.41 –1.45 –4.34 3.84 2.76 –3.69 RK2 –3.10 29.96 29.46 –1.01 –3.66 1.06 –4.21 –3.51 BBE10b –11.98 23.52 23.79 –3.75 –16.58 18.07 25.56 –9.42 TFC10b –16.17 100.00 77.21 23.00 –6.84 18.05 14.23 –2.53 BBE12b –10.98 49.59 54.40 2.84 –7.30 31.64 36.23 0.66 TFC12b –15.42 100.00 126.25 22.01 –2.16 20.82 21.55 1.66 422平均 平均 –8.98 45.69 48.14 4.60 –6.15 14.31 14.96 –2.67 表 4 IP444/422编码与HM16.6实验结果比较(%)
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序列名 QP=14, 21, 28, 34 or 30, 37, 44, 50 QP=41, 48, 54, 61 or 57, 64, 70, 77 Y U V Y U V ARL –1.68 –1.61 –1.73% –3.24 –3.02 –2.73 RVR –1.96 –1.01 –1.91 –2.91 –2.41 –2.48 RCK –1.57 –0.17 0.08 –2.82 –5.30 –5.66 RK2 –1.43 –1.22 0.09 –2.40 –2.50 –2.74 BBE10b –0.86 –0.82 –0.70 –2.48 –3.53 –3.37 TFC10b –1.05 –2.60 –1.25 –1.71 –2.60 –1.22 BBE12b –0.80 –2.54 –2.19 –5.44 –2.13 –0.77 TFC12b –1.14 –3.70 –4.47 –2.90 –2.20 –1.58 平均 –1.31 –1.71 –1.51 –2.99 –2.96 –2.57 表 5 422格式色度帧内预测修改的实验结果(%)
图共
6 个 表共
5 个
