Apparatus and method of acquiring image by employing color separation lens array
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United States of America Patent
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Mar 19, 2024
Grant Date -
Jul 20, 2023
app pub date -
Mar 21, 2023
filing date -
Oct 25, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is an apparatus for acquiring images including an image sensor including a sensor substrate including a plurality of photo-sensing cells sensing light, and a color separation lens array provided above the sensor substrate, the color separation lens array including a fine structure in each of a plurality of regions respectively facing the plurality of photo-sensing cells and separating incident light based on color, the fine structure forming a phase distribution to condense light having different wavelengths on adjacent photo-sensing cells, a signal processor configured to perform, based on a point spread function corresponding to each color pixel by the color separation lens array, deconvolution on sensing signals of the plurality of photo-sensing cells to process an image signal for each color obtained by the image sensor, and an image processor configured to form a color image from the image signal for each color processed by the signal processor.
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