18623644. TRANSFORM COEFFICIENT CODING METHOD AND DEVICE simplified abstract (LG Electronics Inc.)

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TRANSFORM COEFFICIENT CODING METHOD AND DEVICE

Organization Name

LG Electronics Inc.

Inventor(s)

Sunmi Yoo of Seoul (KR)

Seunghwan Kim of Seoul (KR)

Jungah Choi of Seoul (KR)

Ling Li of Seoul (KR)

Jangwon Choi of Seoul (KR)

Jin Heo of Seoul (KR)

TRANSFORM COEFFICIENT CODING METHOD AND DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18623644 titled 'TRANSFORM COEFFICIENT CODING METHOD AND DEVICE

The image decoding method described in the patent application involves receiving a bitstream containing residual information, deriving a quantized transform coefficient for a current block based on the residual information, deriving a residual sample for the current block based on the quantized transform coefficient, and generating a restoration picture based on the residual sample.

  • The patent application includes position information in the residual information to indicate the position of a transform coefficient that is not the last 0 in a transform block.
  • The position information can be derived if a transform skip is not applied to the transform block.

Potential Applications: - Video compression and decompression technologies - Image processing algorithms - Multimedia applications

Problems Solved: - Efficient decoding of image data - Improved compression techniques - Enhanced image quality in restoration

Benefits: - Higher quality image restoration - More efficient image decoding process - Better utilization of transform coefficients

Commercial Applications: Title: Advanced Image Decoding Technology for Multimedia Applications This technology can be used in various commercial applications such as video streaming services, digital media players, and video editing software. It can improve the efficiency and quality of image decoding processes, leading to better user experiences and enhanced multimedia content.

Prior Art: Researchers and developers in the field of image and video processing may find relevant prior art in patents related to image compression, transform coefficients, and video decoding techniques.

Frequently Updated Research: Researchers in the field of image processing and video compression may be conducting studies on advanced algorithms for image decoding, transform coefficient optimization, and video restoration techniques.

Questions about Image Decoding Technology: 1. How does the inclusion of position information in the residual data improve the image decoding process? - The position information helps indicate the location of important transform coefficients, leading to more accurate restoration of the image. 2. What are the potential implications of this technology for video streaming services and digital media players? - This technology can enhance the efficiency and quality of image decoding, resulting in better performance and user experience in multimedia applications.


Original Abstract Submitted

An image decoding method according to the present document comprises the steps of: receiving a bitstream including residual information; deriving a quantized transform coefficient for a current block on the basis of the residual information included in the bitstream; deriving a residual sample for the current block on the basis of the quantized transform coefficient; and generating a restoration picture on the basis of the residual sample for the current block, wherein the residual information includes position information for indicating the position of a transform coefficient, which is not the last 0 in a transform block, and the position information can be derived if a transform skip is not applied to the transform block.