通信学报 ›› 2022, Vol. 43 ›› Issue (11): 136-147.doi: 10.11959/j.issn.1000-436x.2022185
霍俊彦, 邱瑞鹏, 马彦卓, 杨付正
修回日期:
2022-09-13
出版日期:
2022-11-25
发布日期:
2022-11-01
作者简介:
霍俊彦(1982− ),女,山西晋中人,博士,西安电子科技大学副教授,主要研究方向为多媒体通信、虚拟现实、智能信息处理基金资助:
Junyan HUO, Ruipeng QIU, Yanzhuo MA, Fuzheng YANG
Revised:
2022-09-13
Online:
2022-11-25
Published:
2022-11-01
Supported by:
摘要:
帧间预测是视频编码的核心模块,其利用参考帧的重建样本来预测当前图像样本,从而通过传输少量预测残差数据表示复杂视频内容。在有损视频编码中,参考帧质量受到量化失真的影响,导致预测精度较差,影响编码性能。针对低时延视频业务,提出一种基于最邻近帧质量增强的参考帧列表优化算法,通过基于深度学习的卷积神经网络增强与当前帧最邻近参考帧的质量,并将增强后的高质量帧整合到当前帧的参考帧列表中,提高了帧间预测精度。以高效视频编码 H.265/HEVC 参考软件平台 HM16.22 为参考基准,所提算法在 Y、Cb、Cr这3个分量上可分别节省9.06%、14.92%、13.19%的编码码率。
中图分类号:
霍俊彦, 邱瑞鹏, 马彦卓, 杨付正. 基于最邻近帧质量增强的视频编码参考帧列表优化算法[J]. 通信学报, 2022, 43(11): 136-147.
Junyan HUO, Ruipeng QIU, Yanzhuo MA, Fuzheng YANG. Reference frame list optimization algorithm in video coding by quality enhancement of the nearest picture[J]. Journal on Communications, 2022, 43(11): 136-147.
表1
LDP配置编码下引入增强参考帧在HM16.22下的测试结果"
BD-rate | ||||||||||||||||
类别 | 测试序列名称 | 第一位 | 第二位 | 最后位 | 替换第一位 | |||||||||||
Y | Cb | Cr | Y | Cb | Cr | Y | Cb | Cr | Y | Cb | Cr | |||||
PeopleOnStreet | -5.29% | -11.13% | -4.14% | -6.90% | -13.56% | -7.46% | -6.11% | -14.09% | -8.64% | -3.98% | -9.01% | -1.14% | ||||
A | Traffic | -6.26% | -8.92% | -5.30% | -8.53% | -11.25% | -8.39% | -8.89% | -12.11% | -9.47% | -2.46% | -4.55% | -0.28% | |||
平均 | -5.78% | -10.02% | -4.72% | -7.72% | -12.40% | -7.92% | -7.50% | -13.10% | -9.06% | -3.22% | -6.78% | -0.71% | ||||
Kimono | -8.28% | -15.60% | -3.92% | -9.12% | -16.32% | -5.21% | -8.57% | -15.87% | -5.89% | -7.34% | -14.45% | -1.97% | ||||
ParkScene | -3.35% | -8.66% | -2.57% | -5.13% | -10.56% | -4.93% | -5.19% | -11.16% | -5.85% | -1.20% | -5.26% | 0.38% | ||||
B | Cactus | -9.62% | -18.73% | -14.65% | -11.25% | -20.21% | -16.45% | -11.13% | -20.24% | -16.82% | -5.34% | -14.80% | -10.32% | |||
BasketballDrive | -5.40% | -17.14% | -13.80% | -7.36% | -19.09% | -15.84% | -6.92% | -18.27% | -15.46% | -3.41% | -15.66% | -10.96% | ||||
BQTerrace | -13.13% | -24.33% | -22.21% | -14.21% | -25.09% | -23.51% | -14.13% | -25.60% | -23.82% | -11.60% | -23.68% | -22.05% | ||||
平均 | -7.96% | -16.89% | -11.43% | -9.41% | -18.25% | -13.19% | -9.19% | -18.23% | -13.57% | -5.78% | -14.77% | -8.98% | ||||
BasketballDrill | -6.93% | -15.53% | -16.37% | -8.29% | -17.03% | -18.21% | -8.12% | -16.81% | -17.27% | -5.20% | -14.03% | -14.09% | ||||
BQMall | -5.87% | -13.16% | -12.40% | -7.93% | -15.06% | -14.24% | -7.58% | -15.07% | -14.32% | -2.92% | -10.03% | -8.53% | ||||
C | PartyScene | -6.17% | -13.32% | -10.87% | -7.25% | -14.73% | -12.26% | -7.02% | -14.74% | -12.47% | -5.80% | -12.72% | -9.59% | |||
RaceHorses | -3.09% | -7.08% | -9.80% | -5.02% | -9.67% | -13.12% | -4.37% | -9.21% | -12.64% | -0.55% | -3.19% | -4.84% | ||||
平均 | -5.52% | -12.27% | -12.36% | -7.13% | -14.12% | -14.46% | -6.77% | -13.96% | -14.18% | -3.62% | -9.99% | -9.26% | ||||
BasketballPass | -6.75% | -17.39% | -14.50% | -8.23% | -19.56% | -15.68% | -7.00% | -18.61% | -15.16% | -4.73% | -16.29% | -11.93% | ||||
BQSquare | -9.48% | -12.02% | -15.88% | -11.01% | -12.61% | -17.53% | -10.83% | -13.07% | -18.59% | -9.64% | -9.59% | -15.09% | ||||
D | BlowingBubbles | -6.31% | -14.14% | -10.94% | -7.74% | -15.50% | -13.47% | -7.67% | -15.46% | -14.29% | -4.21% | -12.10% | -8.28% | |||
RaceHorses | -4.15% | -7.01% | -10.07% | -6.40% | -9.85% | -12.13% | -5.54% | -9.00% | -12.37% | -1.19% | -2.52% | -6.97% | ||||
平均 | -6.67% | -12.64% | -12.85% | -8.35% | -14.38% | -14.70% | -7.76% | -14.03% | -15.10% | -4.94% | -10.12% | -10.57% | ||||
FourPeople | -10.45% | -14.50% | -14.32% | -11.99% | -15.91% | -16.12% | -12.09% | -15.89% | -16.08% | -6.29% | -10.51% | -9.77% | ||||
E | Johnny | -12.65% | -8.54% | -9.01% | -15.21% | -12.55% | -11.35% | -15.02% | -13.76% | -12.08% | -8.11% | -3.33% | -3.34% | |||
KristenAndSara | -8.95% | -6.43% | -8.90% | -11.48% | -10.03% | -11.46% | -11.74% | -11.25% | -12.03% | -4.52% | -0.21% | -2.42% | ||||
平均 | -10.68% | -9.82% | -10.75% | -12.89% | -12.83% | -12.98% | -12.95% | -13.63% | -13.40% | -6.31% | -4.68% | -5.17% | ||||
总平均 | -7.34% | -12.98% | -11.09% | -9.06% | -14.92% | -13.19% | -8.77% | -15.01% | -13.51% | -4.92% | -10.11% | -7.84% |
表3
与现有方法的编码性能比较"
类别 | 测试序列名称 | BD-rate | ||||||||||
文献[ | 文献[ | 本文算法 | ||||||||||
Y | Cb | Cr | Y | Cb | Cr | Y | Cb | Cr | ||||
PeopleOnStreet | -5.8% | -4.0% | -4.4% | -8.2% | -10.3% | -11.8% | -7.2% | -13.8% | -7.5% | |||
A | Traffic | -3.6% | -3.8% | -3.1% | -5.8% | -11.0% | -11.8% | -8.3% | -8.7% | -6.3% | ||
平均 | -4.7% | -3.9% | -3.8% | -7.0% | -10.7% | -11.8% | -7.8% | -11.2% | -6.9% | |||
Kimono | -5.1% | -7.3% | -3.7% | -8.9% | -22.2% | -4.6% | -8.5% | -12.5% | -3.7% | |||
ParkScene | -3.3% | -3.9% | -3.8% | -4.7% | -17.4% | -5.5% | -4.7% | -9.4% | -2.8% | |||
B | Cactus | -6.9% | -10.3% | -6.0% | -10.7% | -19.5% | -9.4% | -10.4% | -17.1% | -11.7% | ||
BasketballDrive | -2.8% | -5.6% | -3.7% | -4.3% | -12.3% | -12.0% | -7.1% | -18.1% | -16.1% | |||
BQTerrace | -4.2% | -3.6% | -1.4% | -9.6% | -9.1% | -16.3% | -14.6% | -16.4% | -12.6% | |||
平均 | -4.5% | -6.4% | -3.7% | -7.6% | -16.1% | -9.6% | -9.0% | -14.7% | -9.4% | |||
BasketballDrill | -2.9% | -5.2% | -3.0% | -5.5% | -9.3% | -9.3% | -9.5% | -19.4% | -16.9% | |||
BQMall | -6.0% | -7.3% | -6.7% | -9.3% | -19.8% | -20.9% | -8.0% | -14.6% | -13.0% | |||
C | PartyScene | -3.3% | -3.9% | -3.8% | -4.9% | -12.2% | -11.7% | -6.4% | -11.9% | -8.7% | ||
RaceHorses | -1.1% | -1.5% | -1.9% | -1.9% | -4.3% | -5.8% | -5.3% | -9.0% | -11.7% | |||
平均 | -3.3% | -4.5% | -3.9% | -5.4% | -11.4% | -11.9% | -7.3% | -13.7% | -12.6% | |||
BasketballPass | -4.4% | -5.7% | -4.6% | -5.9% | -10.5% | -8.6% | -6.9% | -16.8% | -13.4% | |||
BQSquare | -3.2% | -0.6% | 1.5% | -6.8% | -4.1% | -11.3% | -9.8% | -9.4% | -10.9% | |||
D | BlowingBubbles | -4.1% | -5.2% | -5.3% | -5.9% | -13.0% | -12.5% | -7.5% | -13.9% | -10.6% | ||
RaceHorses | -1.8% | -2.7% | -3.2% | -2.8% | -5.6% | -6.9% | -6.3% | -9.6% | -11.8% | |||
平均 | -3.4% | -3.6% | -2.9% | -5.4% | -8.3% | -9.8% | -7.6% | -12.4% | -11.7% | |||
FourPeople | -10.1% | -11.9% | -11.6% | -12.2% | -13.1% | -17.2% | -12.6% | -12.6% | -12.4% | |||
E | Johnny | -8.6% | -9.1% | -7.5% | -11.3% | -9.2% | -6.9% | -15.5% | -5.1% | -8.1% | ||
KristenAndSara | -8.7% | -22.2% | -9.1% | -12.4% | -12.0% | -14.4% | -11.9% | -6.3% | -9.2% | |||
平均 | -9.1% | -14.4% | -9.4% | -12.0% | -11.4% | -12.8% | -13.3% | -8.0% | -9.9% | |||
总平均 | -4.8% | -5.7% | -4.5% | -7.3% | -12.0% | -10.9% | -8.9% | -12.5% | -10.4% |
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