上一帧 meaning in English
preceding frames
prevframe
previous frame
Examples
- Users plot a coarse outline of video objects in the graphic user interface ( gui ) using the mouse at the first step , then fill the outline to obtain a binary model , using seed growing and wavelet edge correct the outline . in tracking video objects , we obtain an initial segmentation uses motion information and the model of previous frame , and correct by the information of space . finally , we obtain an accurate segmentation
利用视觉系统的周边抑制机制对模板外的象素进行屏蔽，消除背景影响，由自动阈值选取的小波边缘提取获得视频对象的边界，利用种子生长法进行轮廓拟合，由最短路径法校正模板，在进行视频对象的跟踪时，利用运动信息和上一帧的模板，得到一个初始分割，利用空间信息对边界象素调整，最后得到精确分割的视频对象。