摘要
在回顾视线追踪技术发展历程的基础上,对该技术的研究方向和几种主要的视线跟踪方法进行了简单阐述。重点介绍了基于瞳孔-角膜反射法的视线追踪技术的原理及其硬件组成,尤其对现有视线跟踪系统中比较成熟的注视点估计算法进行了归纳总结和原理剖析。对二维和三维的注视点估计算法的精度和用户自由度进行了进一步的横向比较。最后指出了视线追踪技术存在的缺陷,并对其在人机交互、智能机器、虚拟现实等领域的应用前景进行了展望。
On the basis of reviewing the development path of gaze tracking technology, the research direction and several major methods of gaze tracking methods are elaborated. The principle and hardware composition of the gaze tracking technology based on pupil - corneal reflection method are mainly introduced, especially the mature estimation algorithm of fixation points in existing gaze tracking systems are summarized and principle analyzed,in further,the precision of the estimation algorithm and user freedom of 2D and 3D fixation point are crosswise compared. Finally,the defects gaze tracking technology are pointed out, and the application prospect in the fields of human - computer interaction, intelligent machine, virtual reality, etc. , are looked ahead.
出处
《自动化仪表》
CAS
2016年第5期32-35,共4页
Process Automation Instrumentation
关键词
视线跟踪
瞳孔-角膜反射
注视点估计
人机交互
虚拟现实
误差补偿
校准
神经网络
Gaze tracking
Pupil -corneal reflection
Fixation point estimation
Man machine interaction
Virtual reality
Error compensation
Calibration Neural network
