Image processing apparatus, image processing method, image pickup apparatus, computer program and recording medium
First Claim
Patent Images
1. An image processing apparatus comprising:
- image acquisition means for acquiring a visible light image and an invisible light image corresponding to the visible light image; and
noise reduction means for reducing noises of the visible light image by using the invisible light image.
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Abstract
Noises are reduced in an image picked up in natural light without using lighting equipment that affect the picked up image. The present invention provides an image processing apparatus that includes an image acquisition unit that acquires a visible light image and an invisible light image corresponding to the visible light image, and a noise reduction unit that reduces noises of the visible light image by using the invisible light image.
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Citations
19 Claims
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1. An image processing apparatus comprising:
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image acquisition means for acquiring a visible light image and an invisible light image corresponding to the visible light image; and
noise reduction means for reducing noises of the visible light image by using the invisible light image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An image pickup apparatus comprising:
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visible light image pickup means for picking up a visible light image according to a first spectral characteristic of having sensitivity mainly relative to visible light;
invisible light image pickup means for picking up an invisible light image according to a second spectral characteristic of having sensitivity mainly to invisible light;
aberration correction means for correcting the aberration of the visible light image and that of the invisible light image; and
noise reduction means for reducing noises of the visible light image by using the invisible light image.
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15. An image processing method comprising:
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an image acquisition step of acquiring a visible light image and an invisible light image corresponding to the visible light image and picked up with the same number of pixel as those of the visible light image; and
a noise reduction step of reducing noises of the visible light image by using the invisible light image.
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16. A computer program for causing a computer to execute a predetermined process, the program comprising:
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an image acquisition step of acquiring a visible light image and an invisible light image corresponding to the visible light image and picked up with the same number of pixel as those of the visible light image; and
a noise reduction step of reducing noises of the visible light image by using the invisible light image.
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17. A recording medium where a computer program for causing a computer to execute a predetermined process, the program comprising:
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an image acquisition step of acquiring a visible light image and an invisible light image corresponding to the visible light image and picked up with the same number of pixel as those of the visible light image; and
a noise reduction step of reducing noises of the visible light image by using the invisible light image.
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18. An image processing apparatus comprising:
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an image acquisition unit that acquires a visible light image and an invisible light image corresponding to the visible light image; and
a noise reduction unit that reduces noises of the visible light image by using the invisible light image.
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19. An image pickup apparatus comprising:
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a visible light image pickup unit that picks up a visible light image according to the first spectral characteristic of having sensitivity mainly relative to visible light;
an invisible light image pickup unit that picks up an invisible light image according to the second spectral characteristic of having sensitivity mainly to invisible light;
an aberration correction unit that corrects the aberration of the visible light image and that of the invisible light image; and
a noise reduction unit that reduces noises of the visible light image by using the invisible light image.
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Specification