18636552. METHODS AND DEVICES FOR QUANTIZATION AND DE-QUANTIZATION DESIGN IN VIDEO CODING simplified abstract (BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.)
Contents
METHODS AND DEVICES FOR QUANTIZATION AND DE-QUANTIZATION DESIGN IN VIDEO CODING
Organization Name
BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
Inventor(s)
Hong-Jheng Jhu of San Diego CA (US)
Xiaoyu Xiu of San Diego CA (US)
Xianglin Wang of San Diego CA (US)
Yi-Wen Chen of San Diego CA (US)
Tsung-Chuan Ma of San Diego CA (US)
METHODS AND DEVICES FOR QUANTIZATION AND DE-QUANTIZATION DESIGN IN VIDEO CODING - A simplified explanation of the abstract
This abstract first appeared for US patent application 18636552 titled 'METHODS AND DEVICES FOR QUANTIZATION AND DE-QUANTIZATION DESIGN IN VIDEO CODING
The abstract describes a method for video encoding that involves determining quantization parameters and quantized levels for coding blocks, deriving scale values, obtaining parameters for coding units, performing bit-shifting operations, and calculating coefficients based on quantized levels, scale values, and bit-shifts.
- The method involves determining quantization parameters and quantized levels for coding blocks.
- Scale values are derived by scaling quantization parameters by a scale factor.
- Parameters associated with coding units are obtained.
- Bit-shifts are performed on the parameters.
- Coefficients for coding units are calculated based on quantized levels, scale values, and bit-shifts.
Potential Applications: - Video compression technology - Multimedia streaming services - Video conferencing systems
Problems Solved: - Efficient video encoding for reduced file sizes - Improved video quality at lower bitrates - Enhanced video streaming performance
Benefits: - Reduced storage requirements for videos - Faster video transmission over networks - Higher quality video playback on various devices
Commercial Applications: Title: Advanced Video Encoding Technology for Enhanced Streaming Services This technology can be utilized by streaming platforms, video conferencing companies, and multimedia content providers to improve video compression efficiency, reduce bandwidth usage, and enhance overall user experience.
Questions about Video Encoding Technology: 1. How does this method improve video quality while reducing file sizes?
- This method optimizes the encoding process to maintain video quality at lower bitrates through efficient quantization and scaling techniques.
2. What impact does this technology have on video streaming services?
- This technology can significantly improve the performance of video streaming services by reducing bandwidth requirements and enhancing video playback quality.
Original Abstract Submitted
A method for video encoding is provided. The method may be applied in an encoder and includes: determining, for a first coding block, a quantization parameter and a quantized level; deriving a scale value by scaling the quantization parameter by a scale factor, determining a plurality of parameters associated with a coding unit (CU); obtaining a plurality of bit-shifts by bit-shifting the plurality of parameters; and obtaining a plurality of coefficients associated with the CU based on the quantized level, the scale value, and the plurality of bit-shifts.
