Improved high-accuracy multiple fingertips detection method for real-time video

HUANG A-yun; GUO Tai-liang; LIN Zhi-xian; YAO Jian-min

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Improved high-accuracy multiple fingertips detection method for real-time video

Imaging Technology & Image Processing | 更新时间：2020-08-12

- Improved high-accuracy multiple fingertips detection method for real-time video
- Chinese Journal of Liquid Crystals and Displays Vol. 29, Issue 1, Pages: 129-136(2014)
- 作者机构：
  
  1. 福州大学物理与信息工程学院,福建福州,350002
  2. TCL 集团工业研究院新型显示技术与系统项目组,广东深圳,518052
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP391.41
- Received：02 September 2013，
  
  Revised：15 October 2013，
  
  Published：15 February 2014
- 稿件说明：
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黄阿云, 郭太良, 林志贤, 姚剑敏. 改进型高精度实时视频多指尖检测方法的研究[J]. 液晶与显示, 2014,29(1): 129-136

HUANG A-yun, GUO Tai-liang, LIN Zhi-xian, YAO Jian-min. Improved high-accuracy multiple fingertips detection method for real-time video[J]. , 2014,29(1): 129-136
黄阿云, 郭太良, 林志贤, 姚剑敏. 改进型高精度实时视频多指尖检测方法的研究[J]. 液晶与显示, 2014,29(1): 129-136 DOI：

HUANG A-yun, GUO Tai-liang, LIN Zhi-xian, YAO Jian-min. Improved high-accuracy multiple fingertips detection method for real-time video[J]. , 2014,29(1): 129-136 DOI：

摘要

指尖提取已成为基于视觉的裸手人机交互的关键技术，针对目前很多识别手势和指尖检测方法存在的对设备要求高、系统效率低、局限于单指检测、应用局限性高和对于弯曲手指存在误检等诸多问题，提出了一种改进型高精度曲率多指尖检测法。首先，通过对提取到的手势边缘序列点求曲率和像素值判断法排除手指凹槽。同时还提出了掌心测距法结合手掌外接圆法等有效地去除了握拳时和手指半弯时解决类指尖误判问题的方案。最后，整合优化算法流程，实验验证表明该改进的检测方法能较好地提高程序运行效率，检测精度与运行速度得到了明显的改善。

Abstract

Fingertip extraction has become the key technology of bare hand human-computer interaction based on vision. Aiming at solving the high requirements for equipment

low system efficiency

limited to signle finger detection

high application limitations and error detection of bending fingers

and many other problems of many hand gesture recognition methods and fingertip detection methods at present

this article proposes a modified high precision multiple fingertips detection method based on curvature.Firstly

it eliminates the finger grooves by the curvature of extracted edge gesture sequence points and pixel values judgment method.And it proposes the palm ranging method and the inscribed circle of palm method to effectively wipe out the class fingertips error judgement of fist and bending fingers at the same time. Finally

it optimizates algorithm flow chart.Experiments show that the improved detection method has improved the efficiency of program and obviously improved the detection precision.

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references

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