successive frame meaning in English
连续分色画格
Examples
- Similarly create successive frames and keep hiding / unhiding layers as shown
如上对每一帧和每一层进行操作。 - Since the partition between successive frames may not be apparent for film of astrophotographs , taking a daytime photo or a flash photo before start is recommended to fix the first frame
由于天文底片很多时候都见不到每幅的间格，因此最好利用第一格拍摄日间景色或用闪灯拍摄任何景物，以定格位。 - A good overall match is obtained in a few iterations . because the difference between moving object in successive frames is unobvious in color video sequences , the last position of locating in the former frame just turns into the initial position of the latter frame which solves the problem of determination of initial position
由于在彩色视频序列中,相继两帧之间运动物体的差异很小,因此将主动形状模型对前一帧图像目标定位的结果作为后一帧图像目标定位的初始位置,解决了主动形状模型难以确定初始位置的问题。 - Following are detailed steps of this system : in the segmentation section , we use three successive frames to detect the motion infomation of the pictures , by using blockmatching algorithm in two successive frames twice , we can get two pictures composed of motion blocks of the moving object , then we find out the common motion blocks of the two pictures , experiments prove these blocks approximately compose the moving object . after getting the motion blocks , we calculate the center of these blocks as the center of the moving object , thus we can use the center point as the origin , construct n straight linesjoining the boundry of the image and the center . on each line , we can find out a proper point near the object contour according to some criteria , then we use these n points as the initial points of the snake and let the snake converge on the object contour , thus finish the segmentation of the moving object
本方案的实现过程为：分割部分：对运动目标的前后三帧进行两次块匹配运动检测，通过找出两个匹配结果中运动图像块的公共部分，获得组成运动目标的图像块；求出运动目标图像块的形心作为运动目标的中心，以此中心为端点，向四周发散出角度间隔为的n条射线，射线的另一端终止于图像的边缘；在每条射线上按照一定的准则(点的梯度和与目标中心的距离在一定阈值范围内)找出n个初始轮廓点；以这些初始轮廓点作为主动轮廓模型( snake )的初始点，用改进的贪婪算法使snake收敛到待分割的运动目标轮廓上。
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