L. Zhang — accepted AI-conference papers

2024

RD-cost Regression Speed Up Technique for VVC Intra Block Partitioning

M. E. A. Kherchouche, Franck Galpin, Thierry Dumas, Daniel Ménard, L. Zhang

ICASSP 2024accepted

The last standard Versatile Video Codec (VVC) aims to improve the compression efficiency by saving around 50% of bitrate at the same quality compared to its predecessor High Efficiency Video Codec (HEVC). However, this comes with higher encoding complexity mainly due to a much larger number of block…

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2019

Adaptive Sensing Matrix Design for Greedy Algorithms in Mmv Compressive Sensing

L. Zhang, Lei Huang, B. Zhao, B. Li

ICASSP 2019accepted

Sensing matrix can be designed with low coherence with the measurement matrix to improve the sparse signal recovery performance of greedy algorithms. However, most of the sensing matrix design algorithms are computationally expensive due to large number of iterations. This paper proposes an iteratio…

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