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首页> 外文会议>3DTV Conference: The True Vision - Capture, Transmission and Display of 3D Video, 2009 >A omni-directional inter-camer color calibration
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A omni-directional inter-camer color calibration

机译：全方位摄像机间色彩校准

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摘要

Color calibration plays an important role on applying camera arrays to those algorithms that need to fuse the images captured by different cameras. Most of the state-of-the-art calibration methods perform color calibration via a planar color checker. Its resulted color for different cameras is usually not very consistent due to the affect of environmental light. This paper proposes an omnidirectional color calibration using an illuminating ball, which can yield more consistent color for different cameras. The whole omin-directional calibration procedure is composed of the intra-camera calibration step and the inter-camera one. In each step, the brightness parameter is adjusted followed by the white balance. The process is completely automatic and the time of calibrating our circular camera array is very short. Experimental results show that the proposed algorithm is efficient to improve 3D reconstruction and relighting.
机译：在将摄像机阵列应用于需要融合不同摄像机捕获的图像的算法时，颜色校准起着重要作用。大多数最新的校准方法都是通过平面颜色检查器执行颜色校准的。由于环境光的影响，不同相机产生的颜色通常不一致。本文提出了使用照明球进行全向颜色校准的方法，该方法可以为不同的摄像机产生更一致的颜色。整个人向标定过程由相机内标定步骤和相机间标定步骤组成。在每个步骤中，调整亮度参数，然后调整白平衡。该过程是完全自动的，并且校准圆形摄像机阵列的时间非常短。实验结果表明，所提出的算法在改善3D重建和光照方面是有效的。

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