Vision measurement of spatial trajectory of moving object based on three-frame difference algorithm

CAO Xiao-ming; GAO Hong-li; ZHANG Jie

doi:10.13873/j.1000-9787(2018)06-0132-04

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Vision measurement of spatial trajectory of moving object based on three-frame difference algorithm

更新时间：2025-09-11

- Vision measurement of spatial trajectory of moving object based on three-frame difference algorithm
- Issue 6, Pages: 132-135(2018)
- 作者机构：
  
  西南交通大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-9787(2018)06-0132-04
  CLC： TP391.41
- Published：2018
- 稿件说明：
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CAO Xiao-ming, GAO Hong-li, ZHANG Jie. Vision measurement of spatial trajectory of moving object based on three-frame difference algorithm[J]. 2018, (6): 132-135.
DOI：

CAO Xiao-ming, GAO Hong-li, ZHANG Jie. Vision measurement of spatial trajectory of moving object based on three-frame difference algorithm[J]. 2018, (6): 132-135. DOI： 10.13873/j.1000-9787(2018)06-0132-04.

摘要

针对羽毛球空间运动轨迹的快速检测

对比了背景差、帧差、三帧差等几种常用检测算法的效果。采用三帧差算法对运动目标进行轨迹检测

基于检测轮廓的外接矩形面积进行筛选

基于检测帧间隔、运动特性分析

剔除短小轨迹

最终获取羽毛球的各次运动轨迹。基于Basler工业相机进行测试实验

完成左右相机的羽毛球运动检测

并基于双目标定结果

获取羽毛球的空间轨迹。实验结果表明:轨迹的检测效果良好

可满足对运动目标空间轨迹的视觉测量要求。

Abstract

Considering fast detection of spatial trajectory of badminton

effect of some common detection algorithms like background difference

frame difference and three-frame difference are compared. Three-frame difference method is used to detect trajectory of moving object. Based on circumscribed rectangular area of detect contours

screening is carried out. Based on interval of detecting frame and motion characteristic analysis

and reject short track

every track of badminton is detected finally. By using Basler industrial cameras

movement of badminton is detect both in left camera and right one. Based on result of binocular calibration

spatial trajectory of badminton is obtamed. It shows that detect effect of tracks are good and it can meet vision measurement requirement of spatial trajectory of moving object.

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