2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) 2021
DOI: 10.1109/cvpr46437.2021.01461
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Deep Perceptual Preprocessing for Video Coding

Abstract: Frame segments of encoder vs. DPP+encoder at the same bitrate. Right: Bjontegaard delta-rate vs. runtime (in multiples of x264 slow preset runtime on CPU) for codec only (red) and DPP+codec (green). More negative BD-rates correspond to higher average bitrate savings for the same visual quality. x264: AVC/H.264, aomenc: AV1, vvenc: VVC/H.266).

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Cited by 24 publications
(20 citation statements)
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“…In recent years, several learning-based preprocessing methods have been proposed [12,18,33,34]. Chadha et al [12] proposed a rate-aware perceptual preprocessing module for video coding.…”
Section: Preprocessingmentioning
confidence: 99%
See 1 more Smart Citation
“…In recent years, several learning-based preprocessing methods have been proposed [12,18,33,34]. Chadha et al [12] proposed a rate-aware perceptual preprocessing module for video coding.…”
Section: Preprocessingmentioning
confidence: 99%
“…In recent years, several learning-based preprocessing methods have been proposed [12,18,33,34]. Chadha et al [12] proposed a rate-aware perceptual preprocessing module for video coding. Onur et al [18] proposed neural network based preprocessing and postprocessing modules to improve the compression performance of the traditional codecs.…”
Section: Preprocessingmentioning
confidence: 99%
“…The results, shown in Table 2, demonstrate that sharpening approaches cannot provide for universal BD-rate gains across different metrics since, unlike the proposed approach, they change the perceptual characteristics of the source. Moreover, while previously-proposed preprocessing [8]…”
Section: Bd Rates (%)mentioning
confidence: 99%
“…offers BDrate gains for SSIM and VMAF, it is outperformed by the present approach. BD-rate averages on the XIPH content for sharpening and two previous deep perceptual preprocessing models[8]. Positive numbers indicate average bitrate increase and more negative numbers indicate more saving versus the corresponding encoder.Finally, on-going work is showing that the obtained savings are also validated by rigorous controlled tests with human viewers.…”
mentioning
confidence: 99%
“…Despite the pioneer of CNN based blind IQA [2] adopts minmax-pooling, the majority of subsequent works [4][5] [12][13] adopts SAP (include global average pooling) as it has become popular in CNN. [14] adopts a mixture of SAP and ROI Pooling.…”
Section: Poolings and Deep Cnn Based Blind Iqamentioning
confidence: 99%