公开(公告)号：US20120140826A1

公开(公告)日：2012-06-07

申请号：US12960431

申请日：2010-12-03

申请人： Marco ESCHE ,  Andreas Krutz ,  Alexander Glantz ,  Thomas Sikora

发明人： Marco ESCHE ,  Andreas Krutz ,  Alexander Glantz ,  Thomas Sikora

IPC分类号： H04N5/14 ,  H04N7/32

CPC分类号： H04N7/26382 ,  H04N19/117 ,  H04N19/137 ,  H04N19/139 ,  H04N19/176 ,  H04N19/182 ,  H04N19/46 ,  H04N19/82

摘要： An embodiment of the present invention relates to a method for processing the pixel amplitude of at least one image pixel contained in a current frame of a video sequence, said method comprising the steps of constructing an individual motion trajectory comprising motion-shifted versions of the at least one image pixel over a plurality of neighboring frames, and processing the pixel amplitude based on the individual motion trajectory; wherein said step of constructing said individual motion trajectory comprises the steps of: choosing the at least one image pixel of the current frame as a start pixel of the individual motion trajectory, and adding motion-shifted versions of the at least one image pixel of preceding and/or subsequent frames to the individual motion trajectory, wherein for each motion-shifted version to be added, it is determined whether a difference value, which indicates the change of the pixel amplitude of the respective motion-shifted version between consecutive frames, is smaller than an amplitude threshold value, which is individually assigned to the current frame or a frame portion of the current frame comprising said at least one image pixel, and wherein said step of adding further motion-shifted versions is stopped if said difference value exceeds said amplitude threshold value.

摘要翻译： 本发明的实施例涉及一种用于处理包含在视频序列的当前帧中的至少一个图像像素的像素幅度的方法，所述方法包括以下步骤：构建单独的运动轨迹，该运动轨迹包括运动位移版本的at 在多个相邻帧上的至少一个图像像素，并且基于所述各个运动轨迹来处理所述像素幅度; 其中构建所述单独运动轨迹的所述步骤包括以下步骤：选择所述当前帧的所述至少一个图像像素作为所述单独运动轨迹的起始像素，以及将所述至少一个图像像素的运动移位版本 和/或随后的帧到每个运动轨迹，其中对于要添加的每个运动移位版本，确定指示连续帧之间的相应移动版本的像素幅度的变化的差值是否是 小于幅度阈值，其被单独分配给当前帧或包括所述至少一个图像像素的当前帧的帧部分，并且其中如果所述差值超过所述至少一个图像像素，则停止添加另外的运动移位版本的步骤 振幅阈值。