Title
Baseline and Triangulation Geometry in a Standard Plenoptic Camera.
Abstract
In this paper, we demonstrate light field triangulation to determine depth distances and baselines in a plenoptic camera. Advances in micro lenses and image sensors have enabled plenoptic cameras to capture a scene from different viewpoints with sufficient spatial resolution. While object distances can be inferred from disparities in a stereo viewpoint pair using triangulation, this concept remains ambiguous when applied in the case of plenoptic cameras. We present a geometrical light field model allowing the triangulation to be applied to a plenoptic camera in order to predict object distances or specify baselines as desired. It is shown that distance estimates from our novel method match those of real objects placed in front of the camera. Additional benchmark tests with an optical design software further validate the model’s accuracy with deviations of less than ±0.33% for several main lens types and focus settings. A variety of applications in the automotive and robotics field can benefit from this estimation model.
Year
DOI
Venue
2018
https://doi.org/10.1007/s11263-017-1036-4
International Journal of Computer Vision
Keywords
Field
DocType
Light field,Plenoptic,Camera,Microscope,Triangulation,Baseline,Distance,Estimation
Triangulation (geometry),Stereo camera,Computer vision,Triangulation (computer vision),Computer graphics (images),Image sensor,Computer science,Light field,Triangulation (social science),Lens (optics),Artificial intelligence,Image resolution
Journal
Volume
Issue
ISSN
126
1
International Journal of Computer Vision, volume 126, pages 21-35 (2018)
Citations 
PageRank 
References 
1
0.36
11
Authors
5
Name
Order
Citations
PageRank
christopher hahne1102.09
Amar Aggoun211521.34
Vladan Velisavljevic326323.62
Susanne Fiebig410.36
Matthias Pesch510.36