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    • 4. 发明授权
    • 영상 데이타의 압축 부호화를 위한 두계층 움직임 추정장치 및 그 방법
    • 两层运动估计装置和图像数据压缩方法
    • KR1019970010096B1
    • 1997-06-21
    • KR1019940015284
    • 1994-06-29
    • 한국전자통신연구원주식회사 케이티
    • 김진웅이강환이영선정주홍
    • H04N19/51
    • The two layer movement deducing apparatus is comprised of (a) determining input image data is either a field or a frame data(201), one half picking out a searching region and a standard image of an original image in the horizontal directions upon the input image data being determined to be the field data(202,203), one half picking out the original image and the standard image in the horizontal and vertical directions upon the input image data being determined to be the frame data to generate the searching region and standard block data(204); (b) performing whole region searching with respect to the picked out data and generating a movement vector in unit of integer pixel(205) and adjusting the generated movement vector(206); and upon the adjustment of the movement vector value being completed for a half pixel searching region to exist within the whole searching region, finding the searching region data where the position of the half pixel is interpolated(207) from a coding part(10), performing the whole region searching to generate the movement vector in unit of the half pixel(208).
    • 两层运动推导装置包括:(a)确定输入图像数据是字段或帧数据(201),一半在输入时在水平方向上拾取搜索区域和原始图像的标准图像 将图像数据确定为场数据(202,203),在输入图像数据被确定为帧数据以生成搜索区域和标准块时,一半地在水平和垂直方向上拾取原始图像和标准图像 数据(204); (b)对所选择的数据执行整个区域搜索,并以整数像素(205)为单位生成运动矢量并调整所生成的运动矢量(206); 并且在整个搜索区域内对半个像素搜索区域完成的移动向量值的调整存在于整个搜索区域内时,从编码部分(10)找到内插了半像素的位置的搜索区域数据(207) 执行整个区域搜索以生成以半像素为单位的运动矢量(208)。