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Calculation of average PSNR differences between RD-curves
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The article was published on 2001-01-01 and is currently open access. It has received 4379 citations till now.read more
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Proceedings ArticleDOI
Contextformer: A Transformer with Spatio-Channel Attention for Context Modeling in Learned Image Compression
TL;DR: A transformer-based context model, named Contextformer, is proposed, which general-izes the de facto standard attention mechanism to spatio-channel attention and outperforms various learning-based models in terms of PSNR and MS-SSIM.
Proceedings ArticleDOI
Predicting video rate-distortion curves using textural features
TL;DR: The presented experimental results demonstrate that RD curve characteristics can be predicted based on the textural features of the uncompressed videos, which offers potential benefits for encoder optimization.
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Pruned Mode Decision based on Variable Block Sizes Motion Compensation for H.264
Jeyun Lee,Byeungwoo Jeon +1 more
TL;DR: The experimental results show that the proposed pruned mode decision method provides as much as 75% reduction in computational complexity without any noticeable coding loss.
Proceedings ArticleDOI
Edge information based fast selection algorithm for intra prediction of HEVC
TL;DR: A fast algorithm for intra prediction of HEVC based on edge information based fast image preprocessing stage is designed and the result of the complexity reduction is over 27%, in the meantime the increased BD-Rate and declining BD-PSNR is almost negligible.
Proceedings ArticleDOI
Adaptive competition for motion vector prediction in multi-view video coding
TL;DR: The proposed scheme leads to the accurate and efficient MV prediction compared to the MVC reference software, JMVC 6.0, and bit-rates are decreased by nearly 5% in average, up to 7.6%, in terms of the Bjontegaard Metric.