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1.电子科技大学 电子科学技术研究院, 四川 成都 611731
2.贵州大学 大数据与信息工程学院, 贵州 贵阳 550025
3.电子科技大学 光电科学与工程学院, 四川 成都 610054
[ "刘林涛(1990-), 男, 河南开封人, 硕士研究生, 2015年进入电子科技大学电子科学技术研究院攻读硕士学位。主要从事3D显示中的图像处理及人脸识别人眼识别等方面的研究。E-mail:lintaoliu@foxmail.com" ]
[ "黄子强(1956-), 男, 四川成都人, 教授, 硕士生导师, 1986年从电子科技大学光电子技术系获得硕士学位, 同年留在电子科技大学光电子技术系工作。1992获得意大利政府奖学金以访问学者身份赴Calabria大学。2000年进入电子科技大学任教至今。主要从事性液晶显示器、可变视角液晶显示器、激光扫描用液晶光栅、机载、雷达用液晶显示器等方面的研究。E-mail:zqhuang@188.com" ]
收稿日期:2018-03-07,
录用日期:2018-3-15,
纸质出版日期:2018-05
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刘林涛, 董雪莹, 刘俊, 等. 基于时空上下文和随机森林的人眼跟踪定位算法研究[J]. 液晶与显示, 2018,33(5):443-449.
Lin-tao LIU, Xue-ying DONG, Jun LIU, et al. Human eye locating and tracking using space-time context and random forest[J]. Chinese journal of liquid crystals and displays, 2018, 33(5): 443-449.
刘林涛, 董雪莹, 刘俊, 等. 基于时空上下文和随机森林的人眼跟踪定位算法研究[J]. 液晶与显示, 2018,33(5):443-449. DOI: 10.3788/YJYXS20183305.0443.
Lin-tao LIU, Xue-ying DONG, Jun LIU, et al. Human eye locating and tracking using space-time context and random forest[J]. Chinese journal of liquid crystals and displays, 2018, 33(5): 443-449. DOI: 10.3788/YJYXS20183305.0443.
为了得到人眼跟踪过程中更好的鲁棒性和实时性以及跟踪精度,提出一种基于自适应增强分类算法(AdaBoost)、随机森林(RF)和时空上下文(STC)的重定位跟踪算法。该算法结构分为3层,分别为AdaBoost人脸检测、STC人脸跟踪和RF人眼定位。首先,利用AdaBoost在第一帧识别出人脸,从而提取出人脸窗口。接着,使用时空上下文跟踪算法进行人脸跟踪。然后,联合定向梯度直方图(HOG)算法进行相似度判断,以达到目标丢失后继续跟踪的目的。最后,采用随机森林算法进行人眼定位。实验结果表明,与传统的随机森林人眼跟踪算法相比,该算法在跟踪速度达到原方法的2倍左右,并在跟踪精度和鲁棒性上和原算法相同。基本满足在裸眼3D显示时人脸跟踪和人眼定位的精度高、实时性快、鲁棒性好的要求。
In order to obtain better robustness
real-time and tracking accuracy in human eye tracking process
this paper proposed a relocation tracking method based on adaptive boosting (AdaBoost)
random forest (RF) and space-time context (STC). The algorithm structure was divided into three layers
which was AdaBoost face detection
STC face tracking and RF eye positioning. First
AdaBoost was used to recognize faces in the first frame to extract face windows. Then
the spatio-temporal context algorithm was employed for face tracking. Afterwards
the histogram of oriented gradient (HOG) was used to judge the similarity
so as to achieve the goal of tracking after the target is lost. Finally
the random forest algorithm was used to locate the human eye. Experimental results indicate that the algorithm has a tracking speed of about 2 times as much as the original method. Moreover
this method had the same tracking accuracy and robustness as the original algorithm. It can satisfy high precision for human eye location
real-time
good robustness in naked eye 3D display.
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XIE Y T, SU X H, Z J W, et al .. Key properties of autostereoscopic display[J]. Journal of Liquid Crystals and Displays , 2015, 5(30):888-893. (in Chinese)
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