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林业资源管理 ›› 2015, Vol. 0 ›› Issue (3): 166-169.doi: 10.13466/j.cnki.lyzygl.2015.03.032

• 技术应用 • 上一篇    

智能手机实现虚拟角规的原理与设计

刘羽1, 赵天忠1, 张慕博2   

  1. 1.北京林业大学 信息学院,北京 100083;
    2.中国林业科学研究院林业科技信息研究所,北京 100091
  • 出版日期:2015-06-28 发布日期:2020-12-01
  • 作者简介:刘羽(1987-),男,辽宁沈阳人,在读硕士,主要研究方向为林业信息化。Email:309940445@qq.com

Principles and Design of Virtual Angle Gauge via Smartphone

LIU Yu1, ZHAO Tianzhong1, ZHANG Mubo2   

  1. 1.School of Information Science and Technology of Beijing Forestry University,Beijing 100083,China;
    2.Research Institute of Forestry Policy and Information,Chinese Academy of Forestry,Beijing 100091,China
  • Online:2015-06-28 Published:2020-12-01

摘要: 分析了利用智能手机摄像头实现虚拟角规测树功能的原理,讨论了实像尺寸偏差和虚拟角规缺口的关系,给出了计算虚拟角规缺口在摄像头中的实像公式,并结合智能手机中的加速度传感器设计了虚拟角规自动改平功能,为开发智能手机在林业行业中的应用进行了有意尝试。

关键词: 智能手机, 角规, 摄像头, 加速度传感器, 林分测定

Abstract: This paper analyzed the principles of realizing the functions of a virtual angle gauge by using smartphone lens,discussed the relationship between real image measurement and virtual angle gauge,gave the expression of real image measurement of virtual angle gauge in smartphone lens,and designed the function of automatic slope correction of virtual angle gauge by combining the acceleration transducer of smartphone.It provided a meaningful attempt to develop application in forestry industry by using smartphone.

Key words: smartphone, angle gauge, lens, acceleration sensor, stand measurement

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