Multiple constraints rate distortion optimization for a video encoder control

2020 ◽  
Author(s):  
Fabrice Le Leannec ◽  
Tangi Poirier ◽  
Franck Galpin ◽  
Fabrice Urban ◽  
Julien Fleureau ◽  
...  
Keyword(s):  
Rate Distortion ◽  
Multiple Constraints ◽  
Rate Distortion Optimization ◽  
Video Encoder

scholarly journals Hardware design of a scalable and fast 2-D hadamard transform for HEVC video encoder

2019 ◽  
Vol 15 (3) ◽  
pp. 1401
Author(s):  
Heh Whit Ney ◽  
Ab Al-Hadi Ab Rahman ◽  
Ainy Haziyah Awab ◽  
Mohd Shahrizal Rusli ◽  
Usman Ullah Sheikh ◽  
...  
Keyword(s):  
High Performance ◽  
Hardware Design ◽  
Block Size ◽  
Rate Distortion ◽  
Video Frame ◽  
Hadamard Transform ◽  
Rate Distortion Optimization ◽  
Video Encoder ◽  
Similar Work ◽  
Block Sizes

<span>This paper presents the hardware design of a 2-dimensional Hadamard transform used the in the rate distortion optimization module in state-of-the-art HEVC video encoder. The transform is mainly used to quickly determine optimum block size for encoding part of a video frame. The proposed design is both scalable and fast by 1) implementing a unified architecture for sizes 4x4 to 32x32, and 2) pipelining and feed through control that allows high performance for all block sizes. The design starts with high-level algorithmic loop unrolling optimization to determine suitable level of parallelism. Based on this, a suitable hardware architecture is devised using transpose memory buffer as pipeline memory for maximum performance. The design is synthesized and implemented on Xilinx Kintex Ultrascale FPGA. Results indicate variable performance obtained for different block sizes and higher operating frequency compared to a similar work in literature. The proposed design can be used as a hardware accelerator to speed up the rate distortion optimization operation in HEVC video encoders.</span>

Data-Driven Rate Control for Rate-Distortion Optimization in HEVC Based on Simplified Effective Initial QP Learning

2019 ◽  
Vol 65 (1) ◽  
pp. 94-108 ◽  
Author(s):  
Wei Gao ◽  
Sam Kwong ◽  
Qiuping Jiang ◽  
Chi-Keung Fong ◽  
Peter H. W. Wong ◽  
...  
Keyword(s):  
Rate Control ◽  
Rate Distortion ◽  
Data Driven ◽  
Rate Distortion Optimization

Perceptually Weighted Mean Squared Error Based Rate-Distortion Optimization for HEVC

2020 ◽  
Vol 66 (4) ◽  
pp. 824-834
Author(s):  
Xiuzhe Wu ◽  
Hanli Wang ◽  
Sudeng Hu ◽  
Sam Kwong ◽  
C.-C. Jay Kuo
Keyword(s):  
Mean Squared Error ◽  
Rate Distortion ◽  
Rate Distortion Optimization ◽  
Weighted Mean ◽  
Squared Error

Fast Algorithm and VLSI Architecture of Rate Distortion Optimization in H.265/HEVC

2017 ◽  
Vol 19 (11) ◽  
pp. 2375-2390 ◽  
Author(s):  
Heming Sun ◽  
Dajiang Zhou ◽  
Landan Hu ◽  
Shinji Kimura ◽  
Satoshi Goto
Keyword(s):  
Fast Algorithm ◽  
Vlsi Architecture ◽  
Rate Distortion ◽  
Rate Distortion Optimization
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