公开(公告)号：EP2061250A1

公开(公告)日：2009-05-20

申请号：EP07301554.7

申请日：2007-11-16

Applicant: ST MICROELECTRONICS S.A.

Inventor： Meroth, Yan

IPC: H04N7/26

CPC classification number: H04N19/117 ,  H04N19/14 ,  H04N19/176 ,  H04N19/423 ,  H04N19/61 ,  H04N19/80 ,  H04N19/86

Abstract: The invention concerns a multi-standard deblocking filter for deblocking video images including a deblocking unit arranged to perform deblocking on edges of a current macroblock of an image based on samples taken from a first sample window comprising said current macroblock and a second sample window adjacent to said first sample window; three memory banks (510, 511, 512) coupled to said deblocking unit, a first one of said memory banks arranged to store samples of said first sample window, a second one of said memory banks arranged to store samples of said second sample window, and a third one of said memory banks arranged store samples of a third sample window adjacent to the second sample window comprising a macroblock deblocked in a previous deblocking operation; and control circuitry arranged to control, during a same macroblock deblocking operation, loading and deblocking of said current macroblock and outputting of samples of said third sample window from said third one of said memory banks.

Abstract translation: 本发明涉及一种用于去块视频图像的多标准去块滤波器，包括去块单元，该去块单元被布置成基于从包括所述当前宏块的第一采样窗口取得的采样和与第二采样窗口相邻的第二采样窗口来对图像的当前宏块的边缘执行去块 所述第一采样窗口; 耦合到所述去块单元的三个存储体（510,511,512），所述存储体中的第一个被布置为存储所述第一采样窗的采样，所述存储体中的第二个被布置为存储所述第二采样窗的采样， 并且所述存储体中的第三个存储体布置存储与包括在先前解块操作中解块的宏块的第二采样窗口相邻的第三采样窗口的采样; 以及控制电路，被布置成在相同的宏块去块操作期间控制所述当前宏块的加载和解块以及从所述第三个所述存储体输出所述第三采样窗口的采样。