Method and system for acquiring, encoding, decoding and displaying 3D light fields
AssigneeMitsubishi Electric Research Laboratories, Inc.
InventorsAnthony Vetro, Sehoon Yea, Wojciech Matusik, Hanspeter Pfister, Matthias Zwicker
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Abstract
A method and system acquire and display light fields. A continuous light field is reconstructed from input samples of an input light field of a 3D scene acquired by cameras according to an acquisition parameterization. The continuous light is reparameterized according to a display parameterization and then prefiltering and sampled to produce output samples having the display parameterization. The output samples are displayed as an output light field using a 3D display device. The reconstruction can be performed by interpolating the input samples having the different views.
Claims24
A computer implemented method for acquiring and displaying light fields, comprising, the steps of:
- interpolating input samples of an input light field to produce a reparameterized light field, in which the input samples are different views acquired of a three dimensional scene by a plurality of cameras, and in which the interpolating is according to an acquisition parameterization and a display parameterization;
- prefiltering the reparameterized light field to produce a prefiltered light field;
- and
- sampling the prefiltered light field to produce output samples having the display parameterization, the output samples for display as an output light field on a three dimensional display device, in which the sampling is an oversampling in a plane of the three dimensional display device to reduce inter-perspective aliasing in an oversampled light field, and in which the oversampled light field is subsampled according to the display the output samples, and wherein a bandwidth of the three dimensional display device is parameterized according to an angular frequency of the three dimensional display device, and a spatial frequencies of the three dimensional display device.
A system for acquiring and displaying light fields, comprising:
- means for interpolating input samples of an input light field to produce a reparameterized light field, in which the input samples are different views acquired of a three dimensional scene by a plurality of cameras, and in which the interpolating is according to an acquisition parameterization and a display parameterization;
- means for prefiltering the reparameterized light field to produce a prefiltered light field;
- and
- means for sampling the prefiltered light field to produce output samples having the display parameterization, the output samples for display on an output light field using a three dimensional display device, in which the sampling is an oversampling in a plane of the three dimensional display device to reduce inter-perspective aliasing in an oversampled light field, and in which the oversampled light field is subsampled according to the display parameterization to produce the output samples, and wherein a bandwidth of the three dimensional display device is parameterized according to an angular frequency of the three dimensional display device, and a spatial frequencies of the three dimensional display device.
Dependencies are inferred from the claim text.