Electronics and telecommunications research institute (20240283922). ENCODING METHOD AND DECODING METHOD, AND DEVICE USING SAME simplified abstract

ENCODING METHOD AND DECODING METHOD, AND DEVICE USING SAME

Organization Name

electronics and telecommunications research institute

Inventor(s)

Hui Yong Kim of Daejeon (KR)

Gwang Hoon Park of Seongnam-si (KR)

Kyung Yong Kim of Suwon-si (KR)

Sung Chang Lim of Daejeon (KR)

Jin Ho Lee of Daejeon (KR)

Jin Soo Choi of Daejeon (KR)

Jin Woong Kim of Daejeon (KR)

ENCODING METHOD AND DECODING METHOD, AND DEVICE USING SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240283922 titled 'ENCODING METHOD AND DECODING METHOD, AND DEVICE USING SAME

Simplified Explanation

The patent application describes an encoding and decoding method for video signals, involving intra prediction, transform coefficients, dequantization, and deblocking filters.

Key Features and Innovation

• Obtaining an intra prediction mode for a current block from a video signal.
• Performing intra prediction to obtain prediction samples of the current block.
• Scanning transform coefficients based on the block's scanning type.
• Dequantizing transform coefficients to obtain dequantized values.
• Performing an inverse-transform to get residual samples in horizontal and vertical directions.
• Reconstructing the block using prediction samples and residual samples.
• Applying a deblocking filter to the reconstructed block.

Potential Applications

This technology can be used in video compression algorithms, video streaming services, and video editing software.

Problems Solved

The technology addresses the need for efficient video encoding and decoding processes, improving video quality and reducing file sizes.

Benefits

• Enhanced video compression efficiency.
• Improved video quality.
• Reduced file sizes for storage and transmission.

Commercial Applications

• Video compression software development.
• Video streaming platforms.
• Video editing tools market.

Questions about the Technology

How does this technology improve video compression efficiency?

The technology optimizes the encoding and decoding processes, reducing redundant information and enhancing compression ratios.

What impact does the deblocking filter have on the reconstructed video block?

The deblocking filter helps improve the visual quality of the reconstructed block by smoothing out artifacts and enhancing edges.

Original Abstract Submitted

an encoding method and decoding method, and a device implementing the same are provided. the encoding method obtains an intra prediction mode related to a current block from a video signal, obtains prediction samples of the current block by performing intra prediction on the current block based on the intra prediction mode, scans transform coefficients of the current block based on a scanning type of the current block, obtains dequantized transform coefficients of the current block by dequantizing the transform coefficients, obtains residual samples of the current block by performing an inverse-transform on the dequantized transform coefficients, the inverse-transform being performed in a horizontal direction and a vertical direction, reconstructs the current block using the residual samples and the prediction samples, and applies a deblocking filter on the reconstructed current block.