浅谈摄影机定位跟踪技术  

An Introduction to Camera Positioning and Tracking Technology

作　　者：高华倩 Gao Huaqian(Beijing Film Academy Modern Creative Media College)

机构地区：[1]北京电影学院现代创意媒体学院,山东青岛266000

出　　处：《现代电影技术》2021年第5期4-11,共8页Advanced Motion Picture Technology

摘　　要：摄影机定位跟踪技术作为现场实时预演的关键技术之一,对实现虚实摄影机、虚实角色和电影场景在虚拟空间与真实世界的实时交互和匹配起着关键性作用。本文对电影摄影机定位跟踪技术进行了分类阐述,归纳现有的摄影机定位跟踪系统的跟踪原理及优缺点,总结梳理摄影机跟踪系统在跟踪范围、系统便携度及灵活性、系统延时、跟踪精度和抗干扰能力等方面的特性,对电影前期制作中的现场摄影机定位跟踪技术的应用提出建议和帮助。As one of the critical technologies for on-site real-time previsualization,camera positioning and tracking technology plays a key role in enabling real-time interaction and matching of virtual and real cameras,virtual and real characters and film scenes in virtual space with the real world.This article classifies the film camera positioning and tracking technology and summarizes the features,advantages and disadvantages of the current camera positioning and tracking systems.The presentation outlines the characteristics of camera tracking systems in terms of tracking range,system portability and flexibility,system latency,tracking accuracy and interference immunity,and provides suggestions and assistance for the application of camera positioning and tracking technology on set in pre-production.

关 键 词：摄影机定位跟踪 电影虚拟化制作 现场实时预演 

分 类 号：J93[艺术—电影电视艺术]