SURVEILLANCE SYSTEM CONTROL METHOD AND SURVEILLANCE SYSTEM ADOPTING THE METHOD
First Claim
1. A method of controlling a surveillance system having a visible imaging camera for obtaining a visible image of an object and a display apparatus, the method comprising:
- providing a color visible image, from the visible imaging camera, to the display apparatus and generating a color background image by extracting a background area from the color visible image, when a current ambient illuminance belongs to a daytime illuminance range; and
replacing a background area of a black and white visible image, from the visible imaging camera, with the color background image and providing a mixed image as a result of the replacement to the display apparatus, when the current ambient illuminance belongs to a nighttime illuminance range.
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Accused Products
Abstract
A method of controlling a surveillance system having a visible imaging camera for obtaining a visible image of an object and a display apparatus, includes providing a color visible image, from the visible imaging camera, to the display apparatus and generating a color background image by extracting a background area from the color visible image when a current ambient illuminance belongs to a daytime illuminance range, and replacing a background area of a black and white visible image, from the visible imaging camera, with the color background image and providing a mixed image as a result of the replacement to the display apparatus when the current illuminance belongs to the nighttime illuminance range.
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Citations
14 Claims
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1. A method of controlling a surveillance system having a visible imaging camera for obtaining a visible image of an object and a display apparatus, the method comprising:
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providing a color visible image, from the visible imaging camera, to the display apparatus and generating a color background image by extracting a background area from the color visible image, when a current ambient illuminance belongs to a daytime illuminance range; and replacing a background area of a black and white visible image, from the visible imaging camera, with the color background image and providing a mixed image as a result of the replacement to the display apparatus, when the current ambient illuminance belongs to a nighttime illuminance range. - View Dependent Claims (2, 3)
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4. A method of controlling a surveillance system having a visible imaging camera for obtaining a visible image of an object, a thermal imaging camera for obtaining a thermal image according to a temperature of the object, and a display apparatus, the method comprising:
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generating a color background image by extracting a background area from a color visible image from the visible imaging camera when a current ambient illuminance belongs to a daytime illuminance range; and mixing a black and white visible image, from the visible imaging camera, and a thermal image, from the thermal imaging camera, to generate a black and white mixed image as a result of the mixing, replacing a background area of the generated black and white mixed image with the color background image, and providing a mixed image as a result of the replacement to the display apparatus. - View Dependent Claims (5, 6, 7)
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8. A surveillance system, comprising:
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a visible imaging camera which obtains a visible image of an object; a display apparatus; and a control apparatus, wherein, when a current ambient illuminance belongs to a daytime illuminance range, the control apparatus provides a color visible image, from the visible imaging camera, to the display apparatus, and generates a color background image by extracting a background area from the color visible image, and wherein, when the current ambient illuminance belongs to a nighttime illuminance range, the control apparatus replaces a background area of a black and white visible image, from the visible imaging camera, with the color background image, and provides a mixed image as a result of the replacement to the display apparatus. - View Dependent Claims (9, 10)
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11. A surveillance system, comprising:
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a visible imaging camera which obtains a visible image of an object; a thermal imaging camera which obtains a thermal image according to a temperature of the object; a display apparatus; and a control apparatus, wherein, when a current ambient illuminance belongs to a daytime illuminance range, the control apparatus generates a color background image by extracting a background area from the color visible image from the visible imaging camera; and when the current ambient illuminance belongs to a nighttime illuminance range, the control apparatus mixes a black and white visible image, from the visible imaging camera, and a thermal image, from the thermal imaging camera, to generate a black and white mixed image as a result of the mixing, replaces a background area of the generated black and white mixed image with the color background image, and provides a mixed image as a result of the replacement to the display apparatus. - View Dependent Claims (12, 13, 14)
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Specification