生成符合电影拍摄原则的飞行摘要

IF 2.7 4区 计算机科学 Q2 COMPUTER SCIENCE, SOFTWARE ENGINEERING
Christophe Lino, Marie-Paule Cani
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引用次数: 0

摘要

我们提出了一种自动生成规定时长飞行摘要的方法,可以给定任何飞行物体的三维规划轨迹。我们面临的挑战是如何选择相关的时间片段,同时保留并充分定格轨迹中最有趣的部分,并在所选镜头之间执行电影规则。我们的解决方案在摄像机视角和电影编辑选择方面优化了输出视频的视觉质量,这要归功于一种新的优化技术,该技术旨在共同优化飞行过程中有趣部分的选择和摄像机随时间变化的动画参数。据我们所知,这是第一个同时解决摄像机控制、影片编辑和轨迹总结的解决方案。消融研究表明,与其他方法相比,我们所生成的飞行轨迹总结具有更高的视觉质量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Generating Flight Summaries Conforming to Cinematographic Principles

Generating Flight Summaries Conforming to Cinematographic Principles

We propose an automatic method for generating flight summaries of prescribed duration, given any planed 3D trajectory of a flying object. The challenge is to select relevant time-ellipses, while keeping and adequately framing the most interesting parts of the trajectory, and enforcing cinematographic rules between the selected shots. Our solution optimizes the visual quality of the output video both in terms of camera view and film editing choices, thanks to a new optimization technique, designed to jointly optimize the selection of the interesting parts of a flight, and the camera animation parameters over time. To our best knowledge, this solution is the first one to address camera control, film editing, and trajectory summarizing at once. Ablation studies demonstrate the visual quality of the flights summaries we generate compared to alternative methods.

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来源期刊
Computer Graphics Forum
Computer Graphics Forum 工程技术-计算机:软件工程
CiteScore
5.80
自引率
12.00%
发文量
175
审稿时长
3-6 weeks
期刊介绍: Computer Graphics Forum is the official journal of Eurographics, published in cooperation with Wiley-Blackwell, and is a unique, international source of information for computer graphics professionals interested in graphics developments worldwide. It is now one of the leading journals for researchers, developers and users of computer graphics in both commercial and academic environments. The journal reports on the latest developments in the field throughout the world and covers all aspects of the theory, practice and application of computer graphics.
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