1. 光流法, 可來描述Pixel fr a me by fr a me關係. 2. 利用金字塔法加速, 可即時處理. 3. 以可即時處理的光流法來說, 效果算是非常好的.-1 optical flow method can be used to describe the relationship between Pixel fr a me by fr a me. 2 using the pyramid method acceleration, can be processed imme