Apparatus and method for combining images
First Claim
1. An image composition apparatus, the apparatus comprising:
- at least one image sensor configured to acquire incident light and generate a first image signal with color information of a visible band of an optical spectrum and a second image signal comprising a wider band than the first image signal and including black-and-white components of the visible band of the optical spectrum; and
at least one processor configured to control to;
divide the first image signal into a color signal and a brightness signal,combine the divided brightness signal of the first image signal with the second image signal, from the at least one image sensor, to generate a combined brightness signal including the wider band of the second image signal, andcompose the combined brightness signal including the wider band with the color signal of the first image signal to generate a color image,wherein the second image signal, which is combined with the divided brightness signal of the first image signal, is a same image signal as the second image signal generated by the at least one image sensor.
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Abstract
Provided are an image composition apparatus for composing color images with black-and-white images including infrared components, and an image composition method thereof. The image composition method includes generating a first image signal with color information and a second image signal including infrared components without color information, dividing the first image signal into a brightness signal and a color signal, composing the brightness signal of the first image signal with a brightness signal of the second image signal to generate a composed brightness signal, and composing the composed brightness signal with the color signal of the first image signal to generate a color image.
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Citations
34 Claims
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1. An image composition apparatus, the apparatus comprising:
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at least one image sensor configured to acquire incident light and generate a first image signal with color information of a visible band of an optical spectrum and a second image signal comprising a wider band than the first image signal and including black-and-white components of the visible band of the optical spectrum; and at least one processor configured to control to; divide the first image signal into a color signal and a brightness signal, combine the divided brightness signal of the first image signal with the second image signal, from the at least one image sensor, to generate a combined brightness signal including the wider band of the second image signal, and compose the combined brightness signal including the wider band with the color signal of the first image signal to generate a color image, wherein the second image signal, which is combined with the divided brightness signal of the first image signal, is a same image signal as the second image signal generated by the at least one image sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An image composition method in an image composition apparatus, the method comprising:
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generating, by at least one image sensor, a first image signal with color information of a visible band of an optical spectrum and a second image signal comprising a wider band than the first image signal and including black-and-white components of the visible band of the optical spectrum; dividing, by at least one processor, the first image signal into a color signal and a brightness signal; combining, by the at least one processor, the divided brightness signal of the first image signal with the second image signal generated by the at least one image sensor, to generate a combined brightness signal including the wider band; and composing, by the at least one processor, the combined brightness signal with the color signal of the first image signal to generate a color image, wherein the second image signal, which is combined with the divided brightness signal of the first image signal, is a same image signal as the second image signal generated by the at least one image sensor. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A portable communication device comprising:
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a first image sensor to generate a first image signal corresponding to a color image having a first resolution; a second image sensor to generate a second image signal corresponding to a monochrome image having a second resolution being different from the first resolution; and a processor adapted to; obtain a color signal and a first brightness signal from the first image signal, obtain a second brightness signal from the second image signal, generate a third brightness signal based at least in part on the first brightness signal and the second brightness signal, and generate an image based at least in part on the color signal and the third brightness signal. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A method of generating an image using a portable communication device, the method comprising:
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generating, using a first image sensor operatively coupled with the portable communication device, a first image signal corresponding to a color image having a first resolution; generating, using a second image sensor operatively coupled with the portable communication device, a second image signal corresponding to a monochrome image having a second resolution being different from the first resolution; obtaining a color image signal and a first brightness signal from the first image signal; obtaining a second brightness signal from the second image signal; generating a third brightness signal based at least in part on the first brightness signal and the second brightness signal; and generating the image based at least in part on the color image signal and the third brightness signal. - View Dependent Claims (30, 31, 32, 33)
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34. A portable communication device comprising:
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a first image sensor; a second image sensor; and a processor adapted to; generate a first color image signal using the first image sensor, generate a monochrome image signal using the second image sensor, divide the first color image signal into a color signal and a first brightness signal, obtain a second brightness signal from the monochrome image signal, and generate a second color image signal based at least in part on the color signal, the first brightness signal, and the second brightness signal.
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Specification