Abstract
In this paper, we propose a new method for the generation of microimages, which processes real 3D scenes captured with any method that permits the extraction of its depth information. The depth map of the scene, together with its color information, is used to create a point cloud. A set of elemental images of this point cloud is captured synthetically and from it the microimages are computed. The main feature of this method is that the reference plane of displayed images can be set at will, while the empty pixels are avoided. Another advantage of the method is that the center point of displayed images and also their scale and field of view can be set. To show the final results, a 3D InI display prototype is implemented through a tablet and a microlens array. We demonstrate that this new technique overcomes the drawbacks of previous similar ones and provides more flexibility setting the characteristics of the final image.
Highlights
Photography (IP) or Integral Imaging (InI) displays, because their operating principle is based on the Integral Photography technique
To demonstrate the effectiveness of the proposed method, we applied it to a real 3D scene that we captured with a Lytro Illum plenoptic camera
The sub-Elemental Images (EIs) are resized to 151 × 113 to make maximum use of the microlens array (MLA) in horizontal direction
Summary
Photography (IP) or Integral Imaging (InI) displays, because their operating principle is based on the Integral Photography technique. It was proposed one century ago by Gabriel Lippmann to register the 3D information of a scene [3]. The part of the photographic film (nowadays, the portion of the pixelated sensor) behind each microlens corresponds to a different perspective. These perspective views are called Elemental Images (EIs) and the set of EIs is the Integral
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