18674728. METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING QUANTIZATION PARAMETER, AND RECORDING MEDIUM STORING BITSTREAM simplified abstract (Electronics and Telecommunications Research Institute)

METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING QUANTIZATION PARAMETER, AND RECORDING MEDIUM STORING BITSTREAM

Organization Name

Electronics and Telecommunications Research Institute

Inventor(s)

Sung Chang Lim of Daejeon (KR)

Jung Won Kang of Daejeon (KR)

Ha Hyun Lee of Seoul (KR)

Jin Ho Lee of Daejeon (KR)

Hui Yong Kim of Daejeon (KR)

Yung Lyul Lee of Seoul (KR)

Myung Jun Kim of Seoul (KR)

Nam Uk Kim of Seoul (KR)

Ji Youn Jung of Seoul (KR)

Yang Woo Kim of Seoul (KR)

Jae Gon Kim of Goyang-si (KR)

METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING QUANTIZATION PARAMETER, AND RECORDING MEDIUM STORING BITSTREAM - A simplified explanation of the abstract

This abstract first appeared for US patent application 18674728 titled 'METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING QUANTIZATION PARAMETER, AND RECORDING MEDIUM STORING BITSTREAM

The abstract describes a method and apparatus for image encoding/decoding, involving decoding size information of a quantization group from a bitstream, acquiring a delta quantization parameter for a current block based on the size information of the quantization group, and deriving a quantization parameter for the current block based on the delta quantization parameter.

• Decoding size information of a quantization group from a bitstream
• Acquiring a delta quantization parameter for a current block based on the size information of the quantization group
• Deriving a quantization parameter for the current block based on the delta quantization parameter

Potential Applications: - Video compression technology - Image processing software - Multimedia applications

Problems Solved: - Efficient image encoding and decoding - Improved compression ratios - Enhanced image quality

Benefits: - Reduced file sizes - Faster data transmission - Higher quality images

Commercial Applications: Title: Advanced Image Compression Technology for Multimedia Applications This technology can be used in video streaming services, digital cameras, and medical imaging systems to improve data storage efficiency and image quality.

Questions about Image Encoding/Decoding Technology: 1. How does this technology compare to existing image compression methods? 2. What impact does this technology have on data transmission speeds?

Frequently Updated Research: Researchers are continually exploring ways to enhance image compression algorithms to improve efficiency and quality in multimedia applications.

Original Abstract Submitted

There is provided an image encoding/decoding method and apparatus. The image decoding method comprises decoding size information of a quantization group from a bitstream, acquiring a delta quantization parameter of a current block on the basis of the size information of the quantization group, and deriving a quantization parameter for the current block on the basis of the delta quantization parameter.