Sughrue Mion, PLLC
Video encoding method and device and decoding method and device
A video encoding method, a video encoding apparatus, a video decoding method, and a video decoding apparatus are provided. The video encoding method includes producing a fast transform matrix based on a transform matrix which is used for frequency transformation on a block which has a predetermined size; producing a transformed block by transforming the block having the predetermined size by using the fast transform matrix; and performing scaling with respect to the transformed block in order to correct a difference between the transform matrix used for the frequency transformation and the fast transform matrix.
SAMSUNG ELECTRONICS CO., LTD.
H H H G H
H04N H04N H04N G06F H04N
inventional inventional inventional inventional inventional
Min-Su Jianle Yoon-Mi Woo-Jin
Cheon Chen Hong Han