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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
Spatial resolution adaptation framework for video compression
TL;DR: Experimental results show that the proposed resolution adaptation framework offers significant overall bit rate savings for a wide range of bitrates compared with the original HEVC HM 16.18, with average BD-rate savings of 12% and 15% and lower encoding complexity.
Proceedings ArticleDOI
Fast Coding Tree Unit depth decision for high efficiency video coding
TL;DR: A fast C-TU quadtree depth decision algorithm to reduce the computational complexity of HEVC and can achieve 40% on average encoding time saving, while maintaining a comparable rate-distortion performance.
Journal ArticleDOI
QoE Multi-Stage Machine Learning for Dynamic Video Streaming
Michele De Filippo De Grazia,Daniel Zucchetto,Alberto Testolin,Andrea Zanella,Marco Zorzi,Michele Zorzi +5 more
TL;DR: A multi-stage learning system that combines the unsupervised learning of video features from the size of H.264-encoded video frames with a supervised classifier trained to automatically extract the quality-rate characteristics of unknown video sequences is developed.
Proceedings ArticleDOI
Intra motion compensation and entropy coding improvements for HEVC screen content coding
Madhukar Budagavi,Do-Kyoung Kwon +1 more
TL;DR: This paper presents two tools for improving the intra coding efficiency of the High Efficiency Video Coding (HEVC) standard when coding screen content, including a Coding Unit (CU)-level Intra motion compensation tool to eliminate redundancy from repeating patterns in text and graphics regions.
Proceedings ArticleDOI
AVX2-optimized Kvazaar HEVC intra encoder
TL;DR: This work shows that optimizing primarily these functions doubles the coding speed of a single-threaded Kvazaar intra encoder for the same rate-distortion performance, justifying that Kvazar is currently the leading open-source HEVC intra encoding in terms of real-time coding speed and efficiency.