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    • 10. 发明公开
    • 예측 모드를 이용한 영상 부호화 장치
    • 图像编码器使用单向预测
    • KR1020130090856A
    • 2013-08-14
    • KR1020130075084
    • 2013-06-28
    • 한국전자통신연구원광운대학교 산학협력단경희대학교 산학협력단
    • 최해철정세윤임성창최진수홍진우심동규오승준안창범박광훈국승용박시내정광수
    • H04N19/50
    • H04N19/593H04N19/11H04N19/119H04N19/176
    • PURPOSE: An image encoding device using a prediction mode is provided to reduce the capacity of an encoded image by efficiently encoding an image. CONSTITUTION: An intra estimating unit (213) performs the intra prediction of a first block, performs the intra prediction of a second block adjacent to the first block, performs the intra prediction of a third block adjacent to the bottom of the first block, and performs the intra prediction of a fourth block adjacent to the bottom right of the first block. The first, the second, the third, and the fourth blocks are predicted in one intra prediction mode. [Reference numerals] (202) Movement compensation unit; (210) Movement estimating unit; (211) Intra estimation selecting unit; (212) Unidirectional estimation selecting unit; (213) Intra estimating unit; (214) Image block information confirming unit; (215) Image block information analyzing unit; (216) Unidirectional estimation mode flag transmitting unit; (244) Filter; (253) Re-aligning unit; (254) Entropy encoder; (AA) F_m (present frame); (BB) F'_m-1 (reference frame); (CC) F'_m (restoration frame)
    • 目的:提供使用预测模式的图像编码装置,以通过有效地编码图像来减小编码图像的容量。 构成:内部估计单元(213)对第一块进行帧内预测,​​对与第一块相邻的第二块进行帧内预测,​​对与第一块的底部相邻的第三块进行帧内预测, 执行与第一块的右下方相邻的第四块的帧内预测。 在一个帧内预测模式中预测第一,第二,第三和第四块。 (附图标记)(202)运动补偿单元; (210)运动估计单元; (211)内部估计选择单元; (212)单向估计选择单元; (213)内部估计单位; (214)图像块信息确认单元; (215)图像块信息分析单元; (216)单向估计模式标志发送单元; (244)过滤器; (253)重新对准单元; (254)熵编码器; (AA)F_m(当前帧); (BB)F'_m-1(参考帧); (CC)F'_m(恢复帧)