17767380. TRANSFORM-BASED IMAGE CODING METHOD AND DEVICE FOR SAME simplified abstract (LG ELECTRONICS INC.)
TRANSFORM-BASED IMAGE CODING METHOD AND DEVICE FOR SAME
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TRANSFORM-BASED IMAGE CODING METHOD AND DEVICE FOR SAME - A simplified explanation of the abstract
This abstract first appeared for US patent application 17767380 titled 'TRANSFORM-BASED IMAGE CODING METHOD AND DEVICE FOR SAME
Simplified Explanation
The image decoding method described in the abstract involves determining whether to parse an MTS index for applying MTS to the current block and applying the MTS to derive residual samples for the current block based on the MTS index. The decision to parse the MTS index is based on a flag value indicating the presence of a transform coefficient for a luma component of the current block.
- Determining whether to parse an MTS index for applying MTS to the current block
- Applying the MTS to the current block based on the MTS index to derive residual samples
- Parsing the MTS index based on the flag value indicating the presence of a transform coefficient for the luma component of the current block
Potential Applications
This technology can be applied in image and video processing applications where efficient decoding methods are required.
Problems Solved
This technology helps in improving the efficiency of image decoding by selectively applying MTS based on the presence of transform coefficients.
Benefits
The method described in the patent application can lead to faster and more efficient image decoding processes, resulting in improved overall performance.
Potential Commercial Applications
This technology can be utilized in various industries such as multimedia, broadcasting, streaming services, and video compression.
Possible Prior Art
One possible prior art could be existing image decoding methods that do not involve the selective parsing of MTS indexes based on the presence of transform coefficients.
What are the specific steps involved in determining whether to parse an MTS index?
The specific steps involved in determining whether to parse an MTS index include checking the flag value indicating the presence of a transform coefficient for the luma component of the current block and deciding not to parse the MTS index when the flag value is 0.
How does applying MTS to the current block help in deriving residual samples?
Applying MTS to the current block helps in deriving residual samples by selectively processing the block based on the MTS index, which can lead to more efficient decoding and improved image quality.
Original Abstract Submitted
An image decoding method according to the present document may be characterized by including the steps of: determining whether to parse an MTS index for applying MTS to the current block; and applying the MTS to the current block on the basis of the MTS index to derive residual samples for the current block, wherein whether to parse the MTS index is determined on the basis of a flag value indicating whether a transform coefficient for a luma component of the current block is present, and the MTS index is not parsed when the flag value is 0.
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