Lg electronics inc. (20240305823). TRANSFORM COEFFICIENT CODING METHOD AND DEVICE simplified abstract
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TRANSFORM COEFFICIENT CODING METHOD AND DEVICE
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TRANSFORM COEFFICIENT CODING METHOD AND DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240305823 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 method 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 and enhancement algorithms - Multimedia applications requiring efficient data transmission
Problems Solved: - Efficient decoding of image data - Accurate restoration of images from compressed formats - Improved visual quality in multimedia applications
Benefits: - Enhanced image quality in compressed formats - Reduced data transmission bandwidth requirements - Faster decoding and processing of multimedia content
Commercial Applications: Title: Advanced Image Decoding Technology for Multimedia Applications This technology can be utilized in various industries such as video streaming services, digital media production, and video conferencing platforms to improve image quality, reduce data transmission costs, and enhance user experience.
Questions about Image Decoding Technology: 1. How does the inclusion of position information in the residual data improve the decoding process? - The position information helps in accurately locating transform coefficients within a block, leading to more precise restoration of images. 2. What are the potential implications of this technology in the field of video compression and transmission? - This technology can significantly improve the efficiency and quality of video compression algorithms, resulting in better visual experiences for users.
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.
