Modulator, apparatus for obtaining light field data using modulator, and apparatus and method for processing light field data using modulator
US8442397B2 · kind B2 · utility
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38Claims
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Key dates
| Filing date | Sep 17, 2010 |
| Grant date | May 14, 2013 |
| Priority date | — |
| Expiry date | Jun 8, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2207/129
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A technology of acquiring and processing light field data for images is provided. A light field data acquisition apparatus includes a modulator with an attenuation pattern to spatially modulate a 4D light field for an image, and a sensor to acquire 2D signals of the spatially modulated 4D light field. By utilizing the attenuation pattern of the modulator, more spatial data may be acquired in a low angular frequency region than that acquired in a high angular frequency region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.