Effects of Microlens Array Lens Size on Sub-Aperture Images in Light Field Cameras

Pei-Chuen Chiou, Cheng-Han Tsai, Chun-Fu Yang, Jia-Han Li


The effects of microlens aperture size on 3D imaging quality for a 5 x 5 microlens array in a light field camera are studied by Fourier optics in consideration of pupil sizes and the locations of main lens and each lens in a microlens array. The larger size of the lenses in the microlens array provides higher sub-aperture image resolution. The techniques demonstrated in this paper can be useful to evaluate sub-aperture image performance in a light field camera without requiring large computations.


microlens array; light field camera; 3D imaging; Fourier optics

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