Homography based parallel volume intersection: toward real-time volume reconstruction using active cameras

T. Wada, Xiaojun Wu, Shogo Tokai, T. Matsuyama
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引用次数: 64

Abstract

Silhouette volume intersection is one of the most popular ideas for reconstructing the 3D volume of an object from multi-viewpoint silhouette images. This paper presents a novel parallel volume intersection method based on plane-to-plane homography for real-time 3D volume reconstruction using active cameras. This paper mainly focuses on the acceleration of back-projection from silhouette images to 3D space without using any sophisticated software technique, such as octree volume representation, or look-up table based projection acceleration. Also this paper presents a parallel intersection method of projected silhouette images. From the preliminary experimental results we estimate near frame-rate volume reconstruction for a life-sized mannequin can be achieved at 3 cm spatial resolution on our PC cluster system.
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基于单应性的平行体相交:利用活动摄像机实现实时体重建
轮廓体相交是从多视点轮廓图像重建物体三维体积的最流行的思想之一。提出了一种基于平面间单应性的并行体交方法,用于有源相机实时三维体重建。本文主要关注从轮廓图像到三维空间的反向投影加速,而不使用任何复杂的软件技术,如八叉树体表示或基于查找表的投影加速。本文还提出了一种投影轮廓图像的平行相交方法。根据初步的实验结果,我们估计在我们的PC集群系统上,在3厘米的空间分辨率下,可以实现真人大小的人体模型的近帧率体积重建。
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