IMAGE PICKUP DEVICE, VEHICLE NUMBER IMAGE PICKUP DEVICE, AND IMAGE PICKUP METHOD
First Claim
Patent Images
1. An image pickup device comprising:
- an image pickup means for taking an image including identification information for identifying a vehicle in a predetermined frame period;
an image division means for dividing each of frame images obtained from the image pickup means into at least two images;
a difference processing means for determining whether a difference is present between frame images divided by the image division means; and
an image output means for successively outputting the divided frame images for each frame when the difference is determined to be present between the frame images by the difference processing means.
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Abstract
A vehicle number image pickup device includes an image pickup means for taking an image including identification information for identifying a vehicle in a predetermined frame period, an image division means for dividing each frame image obtained from the image pickup means into at least two images, a difference processing means for determining whether a different is present between frame images divided by the image division means, and an image output means for successively outputting the divided frame images for each frame when the different is determined to be present between the frame images by the difference processing means.
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Citations
12 Claims
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1. An image pickup device comprising:
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an image pickup means for taking an image including identification information for identifying a vehicle in a predetermined frame period; an image division means for dividing each of frame images obtained from the image pickup means into at least two images; a difference processing means for determining whether a difference is present between frame images divided by the image division means; and an image output means for successively outputting the divided frame images for each frame when the difference is determined to be present between the frame images by the difference processing means. - View Dependent Claims (2, 3, 4, 5)
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6. A vehicle number image pickup device comprising:
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an image pickup means for taking an image including at least a vehicle number from a front or a rear of a vehicle running on a road in a predetermined frame period, and outputting the image as a digitized frame image; an image division means for dividing each of digitized frame images obtained from the image pickup means into at least two images corresponding to an image of upper bits and an image of lower bits with respect to a gradation direction of a digital output of the image pickup means; a difference processing means for determining whether a difference is present between frame images divided by the image division means; and an image output means for successively outputting the divided frame images for each frame when the difference is determined to be present between the frame images by the difference processing means. - View Dependent Claims (7)
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8. An image pickup method comprising:
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taking an image including identification information for identifying a vehicle in a predetermined frame period; dividing each of frame images obtained as a result of taking the image into at least two images; and determining whether a difference is present between divided frame images, wherein the output means does not output the divided frame images when the difference is determined to be not present between the frame images. - View Dependent Claims (9, 10, 11, 12)
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Specification