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FREE VIEWPOINT IMAGE GENERATION USING ESTIMATED DEPTH AT CAMERA VIEWPOINTS

机译:使用相机视点的估计深度免费生成视点图像

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摘要

Free-viewpoint images can be generated from multi-view images of the same scene captured from different positions, using ray-space method. Ray-Space data requires ray interpolation so as to satisfy the Plenoptic Function. Ray interpolation is realized by making disparity map, which is usually costly process, thus it is desirable that this process is skipped from rendering process to achieve real-time rendering. This paper proposes a ray interpolation method using estimated depth maps which are computed in advance. Virtual viewpoint image is generated by 3D warping technique. However, some problems which have not occurred in conventional method appeared. We resolved these problems by making view-dependent depth map first and perform post-filtering on the map. We succeeded to obtain high quality arbitrary viewpoint images from relatively small number of cameras.
机译:可以使用射线空间方法从从不同位置捕获的同一场景的多视图图像生成自由视点图像。射线空间数据需要射线插值才能满足全光功能。通过制作视差图来实现光线插值,这通常是昂贵的过程,因此希望将此过程从渲染过程中跳过以实现实时渲染。本文提出了一种使用预先计算的估计深度图的射线插值方法。虚拟视点图像是通过3D扭曲技术生成的。但是,出现了常规方法中未发生的一些问题。我们通过首先制作依赖于视图的深度图并在地图上执行后过滤来解决这些问题。我们成功地从相对较少的相机中获得了高质量的任意视点图像。

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