Apparatus and method for processing light field data using a mask with an attenuation pattern
AssigneeSamsung Electronics Co., Ltd.
InventorsByung Kwan Park, Ghulam Ahmed Kirmani, Ramesh Raskar, Rohit Pandharkar
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Abstract
Provided are an apparatus and method for processing a light field image that is acquired and processed using a mask to spatially modulate a light field. The apparatus includes a lens, a mask to spatially modulate 4D light field data of a scene passing through the lens to include wideband information on the scene, a sensor to detect a 2D image corresponding to the spatially modulated 4D light field data, and a data processing unit to recover the 4D light field data from the 2D image to generate an all-in-focus image.
Claims18
An apparatus for processing a light field image, the apparatus comprising:
- a lens;
- a mask configured to spatially modulate four-dimensional (4D) light field data of a scene passing through the lens such that the spatially modulated 4D light field data includes wideband information of the scene;
- a sensor configured to detect a two-dimensional (2D) image corresponding to the spatially modulated 4D light field data;
- and
- a data processing unit configured to recover the 4D light field data from the 2D image, generate a high-resolution depth map based on the 4D light field data, and generate an all-in-focus image based on the 2D image and the high-resolution depth map.
A method of processing a light field image, the method comprising:
- detecting a two-dimensional (2D) image corresponding to four-dimensional (4D) light field data that is spatially modulated to include wideband information of a scene, using a mask configured to spatially modulate the 4D light field data of the scene and a sensor;
- recovering the 4D light field data from the 2D image;
- generating a high-resolution depth map based on 4D light field data;
- and
- generating an all-in-focus image using the 2D image and the high-resolution depth map.
An attenuation mask for an imaging apparatus, the attenuation mask comprising:
- a transparent layer;
- and
- a metal layer comprising an attenuation pattern that is disposed on the transparent layer,
- wherein the attenuation pattern spatially modulates four-dimensional (4D) acquired light field data such that the spatially modulated data includes wideband image information of a scene.
Dependencies are inferred from the claim text.