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Citations
Patent
Transform-based image coding method and apparatus therefor
Koo Moonmo,Lim Jaehyun,Kim Seunghwan,Salehifar Mehdi +3 more
- 01 Apr 2021
TL;DR: In this paper, a residual coding step for parsing residual information received in a residual coded level and arranging transform coefficients for a current block according to a predetermined scanning order is proposed, followed by a step for deriving residual samples by applying at least one of LFNST or MTS to the transform coefficients.
Patent
Method and device for transform-based image coding
Koo Moonmo,Lim Jaehyun,Kim Seunghwan,Salehifar Mehdi +3 more
- 15 Apr 2021
TL;DR: In this paper, an image decoding method based on LFNST and MTS was proposed, which is performed on the basis of the residual samples extracted from the LFN ST transform set.
Patent
Transform-based image coding method and device therefor
Koo Moonmo,Kim Seunghwan,Lim Jaehyun +2 more
- 25 Mar 2021
TL;DR: In this paper, an image decoding method comprises a step for performing inverse first-order transform and inverse non-separable transform on a residual sample, which is performed on the basis of a transform index indicating a predetermined transform kernel matrix.
Patent
Transform-based image coding method and device for same
Koo Moonmo,Lim Jaehyun,Kim Seunghwan,Salehifar Mehdi +3 more
- 15 Apr 2021
TL;DR: In this paper, an image decoding method is characterized by including a step for receiving a bitstream including residual information, a step to deriving transform coefficients for a target block on the basis of the residual information; and an inverse primary transform of the corrected transform coefficients, wherein the inverse non-separable transform is performed when the size of the target block is equal to or smaller than a prescribed maximum transform application block.
Patent
Image coding method based on transform, and device therefor
Koo Moonmo,Lim Jaehyun,Kim Seunghwan +2 more
- 11 Feb 2021
TL;DR: In this article, an image decoding method is proposed, where an ISP is applied to a current block and the width or height of a sub-partition block is less than or equal to 2.