J0510205 3D particle flow measurement by means of a plenoptic camara imaging technique

Abstract

The plenoptic camera provides information about how a scene would look like when viewed from a continuum of possible viewpoints bounded by the main lens aperture. By extracting information about both horizontal and vertical parallax the depth information can be estimated simply with improved reliability than in a binocular stereo system. In this paper, results of depth measurement of some fixed 3D targets and PIV results of particles are presented using "Lytro", a consumer plenoptic camera. An optimized calibration equation for the camera is proposed which is then utilized to perform PIV analysis on particle images taken by the camera.