... 对称差运算：Symetric difference operation 对称差分：symmetrical frame difference 对称差：symmetric difference ...
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With symmetrical frame difference mechanism,moving objects in middle frame can be quickly detected. The depth information is also employed to improve the accuracy of segmentation.
通过三帧的对称差分快速地检测出中间帧的运动对象,并结合视差信息进行前景目标的分割,以进一步提高分割的准确性。
参考来源 - 基于运动和视差特性的立体视频对象分割算法·2,447,543篇论文数据，部分数据来源于NoteExpress
The paper introduces several methods for vision-surveillance using background subtraction, frame-difference method, symmetrical differencing and a method based on RGB image.
介绍了在视觉监控领域经常用到的几种运动人体检测算法，如背景减除法、帧差法、对称差分法、基于RGB 图像的运动检测法。
In the process of object detection, the inter-frame difference object detection method and symmetrical inter-frame difference object detection method based on gray were used respectively.
在目标检测过程中，分别利用单目视觉下基于灰度的连续帧间差分法和对称差分法实现了目标检测。
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