Method and Apparatus for Automatic Exposure of an In-Vehicle Camera
First Claim
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1. An in-vehicle camera automatic-exposure apparatus, comprising:
- a metering area setting apparatus configured to set a metering area for use in automatic exposure in an in-vehicle camera taking an image of a scene including at least one of a ground surface of a parking space, an area surrounding a vehicle, and a road surface, wherein the metering area is set such that an exposure condition determined based on the metering area is optimal for a particular area of interest of the image taken by the in-vehicle camera,wherein the automatic exposure is performed using the metering area set by the metering area setting apparatus.
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Abstract
In an automatic exposure method/apparatus, a metering area setting apparatus sets a metering area for use in automatic exposure of an in-vehicle camera installed in a vehicle such that, when the in-vehicle camera takes an image of a vehicle and a surrounding scene including at least a ground surface of a parking space or other areas surrounding a vehicle such as a road surface in a nearby area around the vehicle, an exposure condition becomes optimum for a particular area of interest in the total imaging area of the in-vehicle camera.
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Citations
18 Claims
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1. An in-vehicle camera automatic-exposure apparatus, comprising:
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a metering area setting apparatus configured to set a metering area for use in automatic exposure in an in-vehicle camera taking an image of a scene including at least one of a ground surface of a parking space, an area surrounding a vehicle, and a road surface, wherein the metering area is set such that an exposure condition determined based on the metering area is optimal for a particular area of interest of the image taken by the in-vehicle camera, wherein the automatic exposure is performed using the metering area set by the metering area setting apparatus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An in-vehicle automatic-exposure method, comprising the steps of:
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setting a metering area for use in automatic exposure in an in-vehicle camera taking an image of a scene including at least one of a ground surface of a parking space and a road surface, the metering area set such that an exposure condition determined based on the metering area becomes optimal for a particular area of interest of the image taken by the in-vehicle camera, wherein the in-vehicle camera is located on a vehicle; and performing the automatic exposure using the set metering area. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification