US 2022/0174245 A1 · SYSTEMS AND METHODS FOR CREATING A FULL-COLOR IMAGE IN LOW LIGHT

Abstract

Imaging devices and methods for generating a color image from a low-light scene. A method incudes filtering light from the low-light scene to produce a first light channel having filtered light filtered by a first filter and a second light channel having unfiltered light. The method includes producing a first information channel and a second information channel. The first information channel includes first brightness information corresponding to the first light channel and the second information channel includes second brightness information corresponding to the second light channel. The method includes receiving the first information channel and the second information channel and assigning the first brightness information to a first color channel. The method includes assigning the second brightness information to second color channel and processing the first color channel and the second color channel to produce a full-color image stream. The method includes outputting the full-color image stream.

Claims20

Dependent claims

A method performed by an imaging device for generating a color image from a low-light scene, the method comprising:

filtering light from the low-light scene by a two-channel color filter array to produce a first light channel having light filtered by a first filter and a second light channel having unfiltered light;
receiving the first light channel and the second light channel by a radiation sensitive sensor;
producing a first information channel and a second information channel by the radiation sensitive sensor, wherein the first information channel includes first brightness information corresponding to the first light channel and the second information channel includes second brightness information corresponding to the second light channel;
receiving the first information channel and the second information channel by an image processor;
assigning, by the image processor, the first brightness information to a first color channel;
assigning, by the image processor, the second brightness information to second color channel;
processing, by the image processor, the first color channel and the second color channel to produce a full-color image stream;
and
outputting the full-color image stream.

6 more elements

A color imaging system comprising:

a two-channel color filter array;
a radiation sensitive sensor;
and
an image processor, wherein the color imaging system is configured to:
filter light from a low-light scene by the two-channel color filter array to produce a first light channel having light filtered by a first filter and a second light channel having unfiltered light;
receive the first light channel and the second light channel by the radiation sensitive sensor;
produce a first information channel and a second information channel by the radiation sensitive sensor, wherein the first information channel includes first brightness information corresponding to the first light channel and the second information channel includes second brightness information corresponding to the second light channel;
receive the first information channel and the second information channel by the image processor;
assign, by the image processor, the first brightness information to a first color channel;
assign, by the image processor, the second brightness information to a second color channel;
process, by the image processor, the first color channel and the second color channel to produce a full-color image stream;
and
output the full-color image stream.

10 more elements

Dependencies are inferred from the claim text.

Systems and methods for creating a full-color image in low light

Life of this patent

Systems and methods for creating a full-color image in low light

Life of this patent

Abstract

Claims20