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Dense lightfield reconstruction from multi aperture cameras

: Ziegler, M.; Zilly, F.; Schaefer, P.; Keinert, J.; Schöberl, M.; Foessel, S.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Signal Processing Society:
IEEE International Conference on Image Processing, ICIP 2014. Proceedings. Vol.3 : Paris, France, 27 - 30 October 2014
Piscataway, NJ: IEEE, 2014
ISBN: 978-1-4799-5751-4
ISBN: 978-1-4799-5752-1
International Conference on Image Processing (ICIP) <21, 2014, Paris>
Fraunhofer IIS ()

Plenoptic cameras based on micro lens arrays as well as multi aperture cameras are able to capture a multitude of images with slightly shifted viewpoints. Although the amount of parallax between adjacent views is limited, precautions have to be taken in order to avoid alias when performing direct lightfield rendering. Against this background, we present an approach for the dense reconstruction of a lightfield based on a sparse lightfield acquired from a multi aperture camera with subsequent disparity estimation and depth image based view interpolation. Results show that the approach is suitable for all-in-focus-rendering.