2019 Data Compression Conference (DCC) 2019
DOI: 10.1109/dcc.2019.00035
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A DenseNet Based Approach for Multi-frame In-loop Filter in HEVC

Abstract: High efficiency video coding (HEVC) has brought outperforming efficiency for video compression. To reduce the compression artifacts of HEVC, we propose a DenseNet based approach as the in-loop filter of HEVC, which leverages multiple adjacent frames to enhance the quality of each encoded frame. Specifically, the higher-quality frames are found by a reference frame selector (RFS). Then, a deep neural network for multi-frame in-loop filter (named MIF-Net) is developed to enhance the quality of each encoded frame… Show more

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Cited by 17 publications
(8 citation statements)
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References 16 publications
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“…Moreover, the proposed method can inspire traditional codecs, particularly the methods that integrate deep networks in traditional codecs, to adopt recurrent networks to improve their performance. For instance, Liu et al [41] and Choi et al [42] improves the motion compensation of HEVC by utilizing single deep network on each frame, and Li et al [44], [45] replace the in-loop of HEVC by non-recurrent deep networks. These methods are possible to be advanced by employing the recurrent networks (similar to the proposed approach) to further improve the traditional codecs, such as HEVC.…”
Section: Discussionmentioning
confidence: 99%
“…Moreover, the proposed method can inspire traditional codecs, particularly the methods that integrate deep networks in traditional codecs, to adopt recurrent networks to improve their performance. For instance, Liu et al [41] and Choi et al [42] improves the motion compensation of HEVC by utilizing single deep network on each frame, and Li et al [44], [45] replace the in-loop of HEVC by non-recurrent deep networks. These methods are possible to be advanced by employing the recurrent networks (similar to the proposed approach) to further improve the traditional codecs, such as HEVC.…”
Section: Discussionmentioning
confidence: 99%
“…Many approaches [40,21,11,19,20] were proposed to replace the components in traditional video codecs by DNNs. For instance, Liu et al [21] utilized a DNN in the fractional interpolation of motion compensation, and [11,19,20] use DNNs to improve the in-loop filter. However, these methods only advance the performance of one particular module, and each module in video compression framework cannot be jointly optimized.…”
Section: Deep Video Compressionmentioning
confidence: 99%
“…In recent years, deep learning also attracted more attention in video compression. Many approaches [40,21,11,19,20] were proposed to replace the components in traditional video codecs by DNNs. For instance, Liu et al [21] utilized a DNN in the fractional interpolation of motion compensation, and [11,19,20] use DNNs to improve the in-loop filter.…”
Section: Deep Video Compressionmentioning
confidence: 99%