Photometric Self-Calibration of a Projector-Camera System

Ray Juang, A. Majumder
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引用次数: 30

Abstract

In this paper, we present a method for photometric self- calibration of a projector-camera system. In addition to the input transfer functions (commonly called gamma functions), we also reconstruct the spatial intensity fall-off from the center to fringe (commonly called the vignetting effect) for both the projector and camera. Projector-camera systems are becoming more popular in a large number of applications like scene capture, 3D reconstruction, and calibrating multi-projector displays. Our method enables the use of photometrically uncalibrated projectors and cameras in all such applications.
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投影-摄像系统的光度自校正
本文提出了一种投影-摄像系统的光度自标定方法。除了输入传递函数(通常称为伽马函数)之外,我们还为投影仪和相机重建了从中心到边缘的空间强度下降(通常称为渐晕效果)。投影相机系统在场景捕捉、3D重建和校准多投影机显示器等大量应用中越来越受欢迎。我们的方法能够在所有这些应用中使用光度学上未校准的投影仪和相机。
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