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VVC In-Loop Filtering Based on Deep Convolutional Neural Network

机译:基于深卷积神经网络的VVC环路滤波

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With the rapid advancement in many multimedia applications, such as video gaming, computer vision applications, and video streaming and surveillance, video quality remains an open challenge. Despite the existence of the standardized video quality as well as high definition (HD) and ultrahigh definition (UHD), enhancing the quality for the video compression standard will improve the video streaming resolution and satisfy end user’s quality of service (QoS). Versatile video coding (VVC) is the latest video coding standard that achieves significant coding efficiency. VVC will help spread high-quality video services and emerging applications, such as high dynamic range (HDR), high frame rate (HFR), and omnidirectional 360-degree multimedia compared to its predecessor high efficiency video coding (HEVC). Given its valuable results, the emerging field of deep learning is attracting the attention of scientists and prompts them to solve many contributions. In this study, we investigate the deep learning efficiency to the new VVC standard in order to improve video quality. However, in this work, we propose a wide-activated squeeze-and-excitation deep convolutional neural network (WSE-DCNN) technique-based video quality enhancement for VVC. Thus, the VVC conventional in-loop filtering will be replaced by the suggested WSE-DCNN technique that is expected to eliminate the compression artifacts in order to improve visual quality. Numerical results demonstrate the efficacy of the proposed model achieving approximately , , and BD-rate reduction of the luma ( Y ) and both chroma ( U , V ) components, respectively, under random access profile.
机译:随着许多多媒体应用的快速进步,如视频游戏,计算机视觉应用和视频流和监视,视频质量仍然是一个开放的挑战。尽管存在标准化视频质量以及高清晰度(HD)和超高压定义(UHD),但增强了视频压缩标准的质量将提高视频流分辨率并满足最终用户的服务质量(QoS)。多功能视频编码(VVC)是最新的视频编码标准,实现了显着的编码效率。与其前身的高效视频编码(HEVC)相比,VVC将帮助扩展高质量的视频服务和新兴应用,例如高动态范围(HDR),高帧速率(HFR),高帧速率(HFR)和全向360度多媒体。鉴于其宝贵的结果,新兴的深度学习领域吸引了科学家的关注,并提示他们解决了许多贡献。在这项研究中,我们调查了新的VVC标准的深度学习效率,以提高视频质量。然而,在这项工作中,我们提出了一种广泛激活的挤压和激励深度卷积神经网络(WSE-DCNN)基于VVC的视频质量增强。因此,VVC传统的环路滤波将被预期消除压缩伪像以提高视觉质量的所建议的WSE-DCNN技术代替。数值结果证明了所提出的模型在随机接入轮廓下分别实现大约,以及分别的亮度(Y)和色度(y,v)组分的BD速率降低的功效。

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