Quantization parameter cascading for surveillance video coding considering all inter reference frames

Y Gong, K Yang, Y Liu, KP Lim, N Ling… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Video surveillance and its applications have become increasingly ubiquitous in modern
daily life. In video surveillance system, video coding as a critical enabling technology …

Rate distortion optimization with adaptive content modeling for random-access versatile video coding

Y Chen, S Wang, H Ip, S Kwong - Information Sciences, 2023 - Elsevier
In this paper, we study the capability of improving the rate-distortion (RD) performance
based on the adaptive content modeling in the Versatile Video Coding (VVC) standard. In …

Variable-bit-rate video frame-size prediction by the extended Kalman filter using Levenberg–Marquardt algorithm

SY Chang, HC Wu, K Yan - IEEE Transactions on Broadcasting, 2022 - ieeexplore.ieee.org
It is crucial to dynamically predict the future frame-sizes (bit-rates) for multimedia networking.
All of the conventional bit-rate predictors are based on the assumption that instantaneous bit …

Rate-Distortion Optimization Based on Two-Pass Encoding for HEVC

H Guo, T **ao, X Fan, Y Liu, S Liu - IEEE Access, 2021 - ieeexplore.ieee.org
Rate-distortion optimization (RDO) is a crucial technique in block-based hybrid video
encoders, which determines the coding option for a certain coding unit to achieve optimal …

Adaptive QP offset selection algorithm for virtual reality 360-degree video based on CTU complexity

Z Liu, K Yang, X Fu, M Zhang, Z Wang… - Multimedia Tools and …, 2021 - Springer
Virtual reality 360-degree video requires ultra-high resolution to provide realistic feeling and
dynamic perspective. Huge data volume brings new challenges to coding and transmission …

An Adaptive Determination Method for Gop-size and Qp Offset in Versatile Video Coding

M Yang, X Zhou, J Huo - 2023 9th International Conference on …, 2023 - ieeexplore.ieee.org
In the latest and most advanced video coding standard, Versatile Video Coding (VVC), the
configuration parameters of the size of Groups of Pictures (GOP) and the offset of …

Sub-frame layer rate distortion optimization for high efficiency video coding

H Wei, W Zhou, X Zhou, Z Duan - IEEE Access, 2020 - ieeexplore.ieee.org
This paper proposes a sub-frame layer RDO algorithm to further improve coding
performance of low-delay hierarchical prediction structure in High Efficiency Video Coding …

Content-based coding tree unit level rate-quantization model for intra-coding in high efficiency video coding standard using convolutional neural network

Y Rahimi, M Rezaei, P Jafari - Journal of Electronic Imaging, 2022 - spiedigitallibrary.org
In almost all video applications, a video rate control algorithm (RCA) is used by the encoder.
The RCA tunes the quantization parameter (QP) to match the encoded bit rate to the …

System and method for processing a stream of images

STW Kwong, S Wang, Y Chen - US Patent 11,653,003, 2023 - Google Patents
US11653003B2 - System and method for processing a stream of images - Google Patents
US11653003B2 - System and method for processing a stream of images - Google Patents …