According to reviewer’s comment, we the following sentences at the end of the Introduction. “In this paper, we analyze the number of multiplications of the existing fast transform methods in the VVC standard, and we propose a new fast inverse transform using the number of non-zero coefficients based on linearity to reduce the number of multiplications.” Comment 2) Discussion Section: The authors did not respond accurately to this comment.
The authors should add the main contributions briefly at the end of the introduction. Introduction Section: This comment still requires a response.