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    • 58. 发明公开
    • 율-왜곡 최적화를 위한 영상 부호화/복호화 방법 및 이를 수행하는 장치
    • 用于编码/解码用于速率失真优化的视频的方法和用于执行其的装置
    • KR1020110090781A
    • 2011-08-10
    • KR1020110007392
    • 2011-01-25
    • (주)휴맥스 홀딩스
    • 이충구김민성박준성
    • H04N19/147H04N19/176H04N19/50
    • H04N19/122H04N19/147H04N19/176
    • PURPOSE: An image encoding/decoding method and device for performing the same are provided to improve quality of an image and optimize a rate-distortion by converting a residual prediction block. CONSTITUTION: A coding unit is received(201). A prediction block is generated by executing at least one among a prediction within a screen and prediction between screens about coding unit(207,209). A residual prediction block is generated based on generated prediction block and coding unit(211). A residual prediction block is converted by applying conversion matrix which an encoding efficient is the highest among the plurality of conversion matrix which is predetermined to the generated residual prediction block(213).
    • 目的:提供一种用于执行该图像编码/解码方法和装置的图像编码/解码方法和装置,以改善图像质量,并通过转换残差预测块来优化速率失真。 构成:接收编码单元(201)。 通过执行屏幕内的预测和关于编码单元(207,209)的画面之间的预测中的至少一个来生成预测块。 基于生成的预测块和编码单元(211)生成残差预测块。 通过应用转换矩阵来转换残差预测块,对于所生成的残差预测块(213),对于预定的多个转换矩阵中的编码效率最高。